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Contents
- The climate of Treinta y Tres
- The best time to visit Treinta y Tres
- The worst time to visit Treinta y Tres
- Spring weather in Treinta y Tres
- Summer weather in Treinta y Tres
- Autumn weather in Treinta y Tres
- Winter weather in Treinta y Tres
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Treinta y Tres
Nestled in the eastern part of Uruguay, the climate of Treinta y Tres can be classified under 'Cfa' according to the Köppen climate classification. This indicates a humid subtropical climate, with no distinct dry season. The city's weather patterns cover a spectrum from warm to humid, consistent with the general geographical location and the climate classification.
The city experiences variations in multiple weather parameters throughout the year. Starting with temperature, the mercury can hit a high of 29.8°C (85.6°F) in January, then moves down to 15.3°C (59.5°F) in July. Minimum temperatures exhibit similar patterns, with 17.3°C (63.1°F) in January and 7.2°C (45°F) at its lowest point in July. The humidity displays a steady increase from 68% in January to 82% by May and remains close to this level until September, before beginning to decrease again.
Rainfall in Treinta y Tres is fairly evenly distributed across months, without any noticeable dry periods. The city receives the most precipitation in October with 99mm (3.9"), while the minimum, 44mm (1.73"), is observed in March and April. These rainfall figures coincide with a range of 9.6 to 13.2 rainfall days per month.
Treinta y Tres sees daylight hours moving from a high of 14.3 hours in December and January to a low of 10 hours in June and July. Sunshine hours and cloud coverage display a pattern inversely correlated to each other. From a high of 10.2 sunshine hours in January, the count drops to 5.6 hours in the height of winter - July. Incidentally, cloud coverage is at its maximum during this month.
The city experiences variations in multiple weather parameters throughout the year. Starting with temperature, the mercury can hit a high of 29.8°C (85.6°F) in January, then moves down to 15.3°C (59.5°F) in July. Minimum temperatures exhibit similar patterns, with 17.3°C (63.1°F) in January and 7.2°C (45°F) at its lowest point in July. The humidity displays a steady increase from 68% in January to 82% by May and remains close to this level until September, before beginning to decrease again.
Rainfall in Treinta y Tres is fairly evenly distributed across months, without any noticeable dry periods. The city receives the most precipitation in October with 99mm (3.9"), while the minimum, 44mm (1.73"), is observed in March and April. These rainfall figures coincide with a range of 9.6 to 13.2 rainfall days per month.
Treinta y Tres sees daylight hours moving from a high of 14.3 hours in December and January to a low of 10 hours in June and July. Sunshine hours and cloud coverage display a pattern inversely correlated to each other. From a high of 10.2 sunshine hours in January, the count drops to 5.6 hours in the height of winter - July. Incidentally, cloud coverage is at its maximum during this month.
The best time to visit Treinta y Tres
Taking into account the various weather parameters and the peculiarities of the local climate, the most favorable time to visit Treinta y Tres would usually be from November to March. During these months, maximum temperatures range between 26.4°C (79.5°F) and 29.8°C (85.6°F) and minimum temperatures between 17.5°C (63.5°F) and 15.1°C (59.2°F). Additionally, this period sees the longest daylight hours (ranging from 12.3 hours in March to 14.3 hours in December) which gives visitors more time to explore and enjoy the city.
The worst time to visit Treinta y Tres
The least favorable time to visit Treinta y Tres is likely to be in the winter months of June, July, and August. During this period, weather conditions tend to be colder with maximum temperatures reaching only 15.3°C (59.5°F) to 17.7°C (63.9°F), and minimum temperatures from 7.2°C (45°F) to 8.3°C (46.9°F). Additionally, the combination of high humidity averaging 82%, lower daylight hours, and reduced sunshine hours make these months less appealing for outdoor activities.
Spring weather in Treinta y Tres
Spring in Treinta y Tres, spanning September to November, sees a gradual increase in temperatures from 19.2°C (66.6°F) to 25.2°C (77.4°F) maximum and 9.2°C (48.6°F) to 12.8°C (55°F) minimum. Rainfall during this period reflects a rising trend starting from 75mm (2.95") in September and going up to 59mm (2.32") in November. The amount of daily sunshine also increases gradually from 6.9 hours to 9.8 hours.
Summer weather in Treinta y Tres
Summer, extending from December to February, presents the warmest conditions in Treinta y Tres. Maximum temperatures peak at 29.8°C (85.6°F) in January, while minimum temperatures hover around 17.5°C (63.5°F). Despite high temperatures, humidity relatively decreases compared to other seasons, about 70-72%. Rainfall remains fairly consistent between 68mm (2.68") and 63mm (2.48") across the three months. Daylight hours continue to be long and sunshine hours range from 8.4 hours in February to 10.2 hours in December.
Autumn weather in Treinta y Tres
Autumn in Treinta y Tres witnesses a lowering of temperature values from 26.4°C (79.5°F) to 19.3°C (66.7°F) maximum and from 15.1°C (59.2°F) to 10.5°C (50.9°F) minimum. Rainfall, however, increases from 44mm (1.73") in March to a peak of 74mm (2.91") in May. Alongside, the average humidity jumps significantly from 74% to 82% by May. This is also the period where cloud coverage begins to increase, leading to a reduction in sunshine hours.
Winter weather in Treinta y Tres
Winter in Treinta y Tres usually brings cooler temperatures and high humidity. Maximum temperatures during this season range from 19.3°C (66.7°F) in June to 15.3°C (59.5°F) in July, while minimum temperatures descend to a low of 7.2°C (45°F) in July. Meanwhile, higher humidity percentages, reaching 82% in June and July, lend a chilly feel to the weather. Another characteristic of winter is the reduced amount of daylight and sunshine hours. Despite an increase in cloud coverage during these months, rainfall amounts are relatively high, peaking at 82mm (3.23") in August.
Weather in January
Beginning the year, Treinta y Tres, Uruguay experiences a warm weather in January but the temperatures can reach up to 29.8°C (85.6°F). The city witnesses a good balance of sunshine with ample daylight hours. With a moderate UV index, people are advised to take precautionary measures while venturing out in the sun. Weather in January »
Weather in February
The temperatures in February continue to remain on the higher side from the previous month and the city experiences a relative increase in humidity. The city receives a good amount of rainfall, measuring up to 68mm (2.68"). Despite the damp conditions, the amount of sunshine experienced during this month is quite comforting. Weather in February »
Weather in March
Entering the month of March, the weather in Treinta y Tres sees a dip in temperature and decrease in daylight hours. The cloud cover increases slightly affecting the sunshine levels minimally. The rainfall reduces significantly from 68mm (2.68") in February to 44mm (1.73") this month. Weather in March »
Weather in April
Coming into April, the city sees a further decrease in temperatures, indicating the transition into the autumn season of Uruguay. Treinta y Tres continues to experience rainfall similar to March with 44mm (1.73") of precipitation. Weather in April »
Weather in May
In May, the temperatures continue their downward slope and a perceptible rise in relative humidity is seen. The rainfall increases slightly compared to previous months, registering at 50mm (1.97") and making it conducive for growth of flora and fauna. Weather in May »
Weather in June
The month of June marks the winter season in Treinta y Tres, Uruguay. The city experiences its yearly lowest maximum temperature at 15.3°C (59.5°F). The rainfall increased from the preceding month landing at 74mm (2.91"). The shorter daylight hours signify the winter solstice in June. Weather in June »
Weather in July
July witnesses similar weather conditions like June with slight variations. An increase in sunlight duration takes place compared to June, indicating the advancement towards spring. The rainfall quantity remains nearly the same but the days are slightly clearer with less cloud coverage. Weather in July »
Weather in August
August signifies the end of winter and the start of spring in Treinta y Tres, Uruguay. The temperatures witness a slight rise, forecasting the approaching warmer months. Rainfall increases to 82mm (3.23") representing the highest precipitation volume of the year. Weather in August »
Weather in September
September is a transitional month in Treinta y Tres as the city gears up for the onset of warmer days. Temperatures see a gradual rise and the city starts to get longer hours of daylight. Winds progressively pick up their speed, reaching 15.4km/h (9.6mph) making it the windiest month of the year. Weather in September »
Weather in October
October sees an increase in temperatures, marking true onset of the warmer months. Major increase in the amount of rainfall, highest of the year with 99mm (3.9"), envelops the city. Higher daylight hours and greater quantity of precipitation depict the Changing seasonal characteristics. Weather in October »
Weather in November
Stepping into November, Treinta y Tres, Uruguay further gears up for the summer season with an increase in temperature. A considerable reduction in rainfall occurs this month, creating a balance between the hot temperatures and humidity. Weather in November »
Weather in December
December brings warm weather to Treinta y Tres with the city going into full-blown summer mode. The temperatures soar, paving the way for outdoor activities. The city experiences the longest daylight hours of the year, providing ample time for people to enjoy the sunny days. Weather in December »
Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
In Treinta y Tres, the peak temperatures are generally noted in January, averaging a high of 29.8°C (85.6°F) and a low of 17.3°C (63.1°F).
What is the least humid month?
With an average relative humidity of 68%, January is the least humid month.
How many days does it rain?
Throughout the year, there are 139.1 rainfall days, and 799mm (31.46") of precipitation is accumulated.
What are the months with the highest UV index?
January through March and December, with an average maximum UV index of 6, are months with the highest UV index.
What is the driest month?
The months with the least rainfall in Treinta y Tres are March and April Rain falls for 12.1 days and accumulates 44mm (1.73") of rain.
What are the most humid months?
The months with the highest humidity are May and July, with an average relative humidity of 82%.
When is the lowest UV index?
With an average maximum UV index of 3, May is the month with the lowest UV index.
What is the month with the shortest days?
June has the shortest days of the year, with an average of 10h and 0min of daylight.
What month is the coldest?
July, with average temperatures reaching a high of 15.3°C (59.5°F) and a low of 7.2°C (45°F), is the coldest month.
What is the month with the least sunshine?
With an average of 5.6h of sunshine, July has the least sunshine of the year in Treinta y Tres.
What is the wettest month?
The month with the most rainfall is October, when the rain falls for 12.3 days and typically aggregates up to 99mm (3.9") of precipitation.
When are the longest days?
December has the longest days of the year, with an average of 14h and 18min of daylight.
Is there Daylight Saving Time (DST)?
Treinta y Tres does not observe Daylight Saving Time (DST). -03 timezone is used over the entire year.
What month has the most sunshine?
December has the most sunshine of the year, with an average of 10.3h of sunshine.
Average temperature
Treinta y Tres, Uruguay
The warmest month (with the highest average high temperature) is January (29.8°C).
The month with the lowest average high temperature is July (15.3°C).
The month with the highest average low temperature is February (17.5°C).
The coldest month (with the lowest average low temperature) is July (7.2°C).
Average pressure
Treinta y Tres, Uruguay
- Average pressure in January:
1012.2mbar - Average pressure in February:
1012.6mbar - Average pressure in March:
1014.6mbar - Average pressure in April:
1016.5mbar - Average pressure in May:
1017.9mbar - Average pressure in June:
1018.3mbar
- Average pressure in July:
1019.3mbar - Average pressure in August:
1018.8mbar - Average pressure in September:
1017.5mbar - Average pressure in October:
1015.4mbar - Average pressure in November:
1013.2mbar - Average pressure in December:
1011.4mbar
The month with the highest atmospheric pressure is July (1019.3mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed
Treinta y Tres, Uruguay
- Average wind speed in January:
14.3km/h - Average wind speed in February:
13.6km/h - Average wind speed in March:
13.1km/h - Average wind speed in April:
12.9km/h - Average wind speed in May:
12.6km/h - Average wind speed in June:
14.1km/h
- Average wind speed in July:
14.2km/h - Average wind speed in August:
14.6km/h - Average wind speed in September:
15.4km/h - Average wind speed in October:
15.4km/h - Average wind speed in November:
14.7km/h - Average wind speed in December:
14.4km/h
The windiest months (with the highest average wind speed) are September and October (15.4km/h).
The calmest month (with the lowest average wind speed) is May (12.6km/h).
Average humidity
Treinta y Tres, Uruguay
The months with the highest relative humidity are May and July (82%).
The month with the lowest relative humidity is January (68%).
Average rainfall
Treinta y Tres, Uruguay
The wettest month (with the highest rainfall) is October (99mm).
The driest months (with the least rainfall) are March and April (44mm).
Average rainfall days
Treinta y Tres, Uruguay
- Average rainfall days in January:
13.2 days - Average rainfall days in February:
12.7 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
10.1 days - Average rainfall days in June:
9.6 days
- Average rainfall days in July:
11.3 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
11.4 days - Average rainfall days in December:
11.3 days
The month with the highest number of rainy days is January (13.2 days).
The month with the least rainy days is June (9.6 days).
Average daylight / Average sunshine
Treinta y Tres, Uruguay
- Average daylight in January:
14h and 0min - Average daylight in February:
13h and 2min - Average daylight in March:
12h and 2min - Average daylight in April:
11h and 2min - Average daylight in May:
10h and 2min - Average daylight in June:
10h and 0min
- Average daylight in July:
10h and 1min - Average daylight in August:
10h and 5min - Average daylight in September:
11h and 5min - Average daylight in October:
12h and 5min - Average daylight in November:
13h and 5min - Average daylight in December:
14h and 2min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in January:
10h and 1min - Average sunshine in February:
8h and 2min - Average sunshine in March:
8h and 2min - Average sunshine in April:
8h and 0min - Average sunshine in May:
5h and 4min - Average sunshine in June:
6h and 0min
- Average sunshine in July:
5h and 4min - Average sunshine in August:
7h and 2min - Average sunshine in September:
6h and 5min - Average sunshine in October:
8h and 1min - Average sunshine in November:
9h and 5min - Average sunshine in December:
10h and 2min
The month with the most sunshine is December (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 5h and 36min).
Average sunshine days
Treinta y Tres, Uruguay
- Average sunshine days in January:
15.9 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
17.8 days - Average sunshine days in May:
18.6 days - Average sunshine days in June:
18.3 days
- Average sunshine days in July:
18.2 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
17 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is February (13.6 days).
Average UV index
Treinta y Tres, Uruguay
The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is May (UV index 3).
Average cloud cover
Treinta y Tres, Uruguay
The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is December (Cloud cover 28).
Average visibility
Treinta y Tres, Uruguay
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Treinta y Tres, Uruguay
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