Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's onset in Treinta y Tres, Uruguay, brings a minor rise in the average high-temperature, moving from a warm 25.2°C (77.4°F) in November to a still moderately hot 28.2°C (82.8°F). Despite the hot December days, Treinta y Tres's nights see an average temperature plunge to a mild 15.3°C (59.5°F).Heat index
For December, the heat index is appraised at a hot 31°C (87.8°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The average relative humidity in December is 70%.Rainfall
In Treinta y Tres, in December, during 11.3 rainfall days, 63mm (2.48") of precipitation is typically accumulated. In Treinta y Tres, during the entire year, the rain falls for 139.1 days and collects up to 799mm (31.46") of precipitation.Daylight
With an average of 14h and 18min of daylight, December has the longest days of the year in Treinta y Tres.On the first day of December, sunrise is at 05:20 and sunset at 19:31. On the last day of the month, sunrise is at 05:31 and sunset at 19:49 -03.
Sunshine
With an average of 10.3h of sunshine, December has the most sunshine of the year.UV index
The months with the highest UV index are January through March and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in December translates into this advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
How hot does it get in Treinta y Tres in December?
What is the average humidity in December in Treinta y Tres?
How many days does it rain in December in Treinta y Tres?
When are the longest days in Treinta y Tres?
How many hours of daylight does Treinta y Tres have in December?
When are sunrise and sunset in December in Treinta y Tres?
What month has the most sunshine in Treinta y Tres?
How many hours of sunshine does Treinta y Tres have in December?
What is the month with the highest UV index in Treinta y Tres?
How high is the UV index in December in Treinta y Tres?
Average temperature in December
Treinta y Tres, Uruguay
- Average high temperature in December: 28.2°C
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).
- Average low temperature in December: 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 in December
Treinta y Tres, Uruguay
- 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 in December
Treinta y Tres, Uruguay
- 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 in December
Treinta y Tres, Uruguay
- Average humidity in December: 70%
The months with the highest relative humidity are May and July (82%).
The month with the lowest relative humidity is January (68%).
Average rainfall in December
Treinta y Tres, Uruguay
- Average rainfall in December: 63mm
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 in December
Treinta y Tres, Uruguay
- 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 in December /
Average sunshine in December
Treinta y Tres, Uruguay
- 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 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 in December
Treinta y Tres, Uruguay
- 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 in December
Treinta y Tres, Uruguay
- Average UV index in December: 6
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 in December
Treinta y Tres, Uruguay
- Average cloud cover in December: 28
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 in December
Treinta y Tres, Uruguay
- Average visibility in December: 9km
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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