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Contents
- The climate of San Marcos
- The best time to visit San Marcos
- The worst time to visit San Marcos
- Spring weather in San Marcos
- Summer weather in San Marcos
- Autumn weather in San Marcos
- Winter weather in San Marcos
- 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 San Marcos
San Marcos, Nicaragua falls under the Köppen climate classification Aw, better known as the tropical wet and dry or savanna biome. The geographical positioning of the city near the equator makes it prone to tropical weather conditions, characterized by not only warm temperatures but also significant rainfall for half of the year.
A quick scrutiny of climatological parameters reveals that the city experiences a consistent pattern throughout the year when it comes to temperature. The highest average temperatures fluctuate from 30.9°C (87.6°F) to 33.8°C (92.8°F) and are usually achieved in the first half of the year. The lowest average annual temperatures range from 22.1°C (71.8°F) to 25.2°C (77.4°F). This continuity in temperature is accompanied by a humidity fluctuation from 60% to 85%.
In terms of rainfall, San Marcos sees peak precipitation between May and October with monthly averages up to 401mm (15.79"). These periods of substantial rainfall are contrasted by relatively drier months from January to April and November to December during which the city witnesses much lower monthly averages ranging from 3mm (0.12") to 41mm (1.61").
While discussing sunlight and cloud cover, it appears that the amount of daylight ranges from 11.4 to 12.8 hours while the sunshine hours vary from 7.2 to 9.7 hours. Interestingly, the percentage of cloud cover tends to be less during the dry period of the year and gradually increases with the onset of the rainy season.
A quick scrutiny of climatological parameters reveals that the city experiences a consistent pattern throughout the year when it comes to temperature. The highest average temperatures fluctuate from 30.9°C (87.6°F) to 33.8°C (92.8°F) and are usually achieved in the first half of the year. The lowest average annual temperatures range from 22.1°C (71.8°F) to 25.2°C (77.4°F). This continuity in temperature is accompanied by a humidity fluctuation from 60% to 85%.
In terms of rainfall, San Marcos sees peak precipitation between May and October with monthly averages up to 401mm (15.79"). These periods of substantial rainfall are contrasted by relatively drier months from January to April and November to December during which the city witnesses much lower monthly averages ranging from 3mm (0.12") to 41mm (1.61").
While discussing sunlight and cloud cover, it appears that the amount of daylight ranges from 11.4 to 12.8 hours while the sunshine hours vary from 7.2 to 9.7 hours. Interestingly, the percentage of cloud cover tends to be less during the dry period of the year and gradually increases with the onset of the rainy season.
The best time to visit San Marcos
Considering the climate data for San Marcos, visitors may find the period from December through April particularly attractive. The city registers its lowest rainfall during these months, plus temperatures remain consistently in the high 29°C (84.2°F) to low 32°C (89.6°F), making the environment suitable for various outdoor activities. In addition, the city experiences longer hours of sunshine, thus providing a generous amount of daylight.
The worst time to visit San Marcos
The period from May to October generally poses challenges for visits to San Marcos. Heavy rainfall records between 148mm (5.83") to 401mm (15.79") monthly, accompanied by increased cloud cover makes outdoor activities quite difficult. Furthermore, the humidity level also increases during these months which might lead to discomfort for those not accustomed to such conditions.
Spring weather in San Marcos
Spring (March through May) in San Marcos features increasing temperature values from 33.2°C (91.8°F) to a high of 33.8°C (92.8°F). The lowest average temperatures also rise during this period, starting at 22.9°C (73.2°F) in March and moving up to 25.2°C (77.4°F) in May. It is also the season when the city starts to register significantly higher rainfall, particularly in May, with an astonishing increase from 4mm (0.16") to 265mm (10.43").
Summer weather in San Marcos
Confirming its tropical climate, summer in San Marcos (June through August) is characterized by the consistent high temperature around 30°C (86°F) with the lower averages slightly cooling off from the spring excesses to between 23.9°C (75°F) to 24.3°C (75.7°F). Humidity typically rises towards 80%, and the city encounters heavy rainfall amounting to 222mm (8.74") in June and 214mm (8.43") in August.
Autumn weather in San Marcos
Autumn (September to November) continues with the rainy patterns established in the summer. September and October are marked by the highest rainfall of the year. The temperature fluctuates from 29.1°C (84.4°F) to 29.6°C (85.3°F), with a low range of 23.1°C (73.6°F) to 23.6°C (74.5°F). The humidity level also remains relatively high.
Winter weather in San Marcos
The winter season in San Marcos (December through February), in contrast to many parts of the world, displays a tropical climate's signature warmth. The high temperatures settle in the range of 29.9°C (85.8°F) to 32.1°C (89.8°F) while the lower averages remain between 22.1°C (71.8°F) and 22.3°C (72.1°F). Although the rainfall decreases to less than 5mm (0.2") per month, the relative humidity doesn’t significantly drop, remaining above 64%.
Weather in January
The weather in January in San Marcos, Nicaragua, initiates the year with a balmy mix of high temperatures, reaching 30.9°C (87.6°F), amicable low temperatures recorded at 22.1°C (71.8°F), and relatively modest humidity of 67%. Weather in January »
Weather in February
Weather transitions into February in San Marcos, and brings slightly warmer high temperatures, peaking at 32.1°C (89.8°F), alongside marginally elevated low temperatures of 22.3°C (72.1°F) and a reduced relative humidity of 64%. Weather in February »
Weather in March
Coming into March, San Marcos experiences a subtle surge in temperatures to a high of 33.2°C (91.8°F), and an uptick in the lower temperatures to 22.9°C (73.2°F), coupled with a slight decrease in relative humidity to 60%. As winter says its farewell, the city welcomes more daylight hours, a boon for tourist activities and outdoor aficionados. Weather in March »
Weather in April
April takes the baton in San Marcos with an increase in both high and low temperatures, peaking at 33.8°C (92.8°F) and elevating to 24.6°C (76.3°F) respectively; although the relative humidity remains almost unchanged at 61%. Weather in April »
Weather in May
May in San Marcos brings a slight dip in the high temperatures to 32.4°C (90.3°F) along with an increase in low temperatures to 25.2°C (77.4°F) while maintaining relatively high humidity of 70%. As spring transitions towards summer, May welcomes the highest rainfall of 265mm (10.43"), marking the commencement of the city's wet season. Weather in May »
Weather in June
June in San Marcos experiences a slight decrease in high temperatures to 30.3°C (86.5°F) and a marginal drop in low temperatures to 24.3°C (75.7°F), while relative humidity climbs to 80%, its highest for the year. As San Marcos is in the full swing of the wet season, rainfall lessens somewhat but remains significant. Weather in June »
Weather in July
July in San Marcos witnesses quite steady temperatures with highs of 30.5°C (86.9°F) and lows around 23.9°C (75°F), holding steady in relative humidity of 79%. As the wet season progresses, rainfall witnesses a sizeable reduction, indicating a transition towards drier months. Weather in July »
Weather in August
August in San Marcos exhibits almost stable temperatures, with the highs marginally climbing to 30.7°C (87.3°F) and the lows steadying at 23.8°C (74.8°F), while maintaining the same relative humidity of 80%. The month witnesses an increase in rainfall by 66mm (2.6") from July, marking a surge in the city's wet season. Weather in August »
Weather in September
September in San Marcos experiences a slight dip in high temperatures to 30.2°C (86.4°F), while low temperatures maintain a steady 23.6°C (74.5°F), and relative humidity marginally rises to 82%. The weather exhibits continued rainfall indicating the persistence of the wet season. Weather in September »
Weather in October
October in San Marcos witnesses a decrease in high temperatures to 29.1°C (84.4°F) and a marginal decline in low temperatures to 23.1°C (73.6°F), while relative humidity climbs to its peak at 85%. The city confronts the highest rainfall of 401mm (15.79"), indicating the peak of the city's wet season. Weather in October »
Weather in November
November in San Marcos brings a slight increase in both high and low temperatures to 29.6°C (85.3°F) and 22.4°C (72.3°F), with a drop in relative humidity to 80%. The city signals the end of the wet season with a significant reduction in rainfall from the preceding month. Weather in November »
Weather in December
December in San Marcos sees a further increase in high temperatures to 29.9°C (85.8°F) and a slight drop in low temperatures to 22.2°C (72°F), with relative humidity reducing to 73%. The city greets the dry season with minimal rainfall of 21mm (0.83"), the lowest of the year. Weather in December »
Updated: Jan 27, 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 is the driest month in San Marcos?
The month with the least rainfall in San Marcos is January, when the rain falls for 4.3 days and typically collects 3mm (0.12") of precipitation.
How much does it rain in San Marcos?
Throughout the year, in San Marcos, there are 214.4 rainfall days, and 1654mm (65.12") of precipitation is accumulated.
What is the month with the least sunshine in San Marcos?
The month with the least sunshine in San Marcos, Nicaragua, is January, with an average of 7.2h of sunshine.
When is the highest UV index in San Marcos?
January through December, with an average maximum UV index of 7, are months with the highest UV index.
When is the lowest UV index in San Marcos?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
What is the least humid month in San Marcos?
The least humid month in San Marcos is March, with an average relative humidity of 60%.
What are the warmest months in San Marcos?
San Marcos's April weather, with an average high temperature of 33.8°C (92.8°F) and an average low temperature of 24.6°C (76.3°F), tends to be the warmest of the year.
When are the longest days in San Marcos?
The month with the longest days is June, with an average of 12h and 48min of daylight.
What month has the most sunshine in San Marcos?
With an average of 9.7h of sunshine, August has the most sunshine of the year.
What is the coldest month in San Marcos?
October, recording an average high temperature of 29.1°C (84.4°F) and a low temperature of 23.1°C (73.6°F), is San Marcos's coldest month.
What is the most humid month in San Marcos?
The most humid month in San Marcos, Nicaragua, is October, with an average relative humidity of 85%.
What is the wettest month in San Marcos?
The month with the most rainfall in San Marcos is October, when the rain falls for 29.7 days and typically aggregates up to 401mm (15.79") of precipitation.
What is the month with the shortest days in San Marcos?
With an average of 11h and 24min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST) in San Marcos?
San Marcos, Nicaragua, does not utilize Daylight Saving Time (DST). CST timezone is used over the entire year.
Average temperature
San Marcos, Nicaragua
The warmest month (with the highest average high temperature) is April (33.8°C).
The month with the lowest average high temperature is October (29.1°C).
The month with the highest average low temperature is May (25.2°C).
The coldest month (with the lowest average low temperature) is January (22.1°C).
Average pressure
San Marcos, Nicaragua
- Average pressure in January:
1012.3mbar - Average pressure in February:
1011.9mbar - Average pressure in March:
1011.8mbar - Average pressure in April:
1011mbar - Average pressure in May:
1010.7mbar - Average pressure in June:
1011mbar
- Average pressure in July:
1011.5mbar - Average pressure in August:
1011.1mbar - Average pressure in September:
1010.8mbar - Average pressure in October:
1010.4mbar - Average pressure in November:
1010.9mbar - Average pressure in December:
1011.7mbar
The month with the highest atmospheric pressure is January (1012.3mbar).
The month with the lowest atmospheric pressure is October (1010.4mbar).
Average wind speed
San Marcos, Nicaragua
- Average wind speed in January:
17.8km/h - Average wind speed in February:
18.5km/h - Average wind speed in March:
17.7km/h - Average wind speed in April:
14.1km/h - Average wind speed in May:
11.1km/h - Average wind speed in June:
10.7km/h
- Average wind speed in July:
14km/h - Average wind speed in August:
11.1km/h - Average wind speed in September:
8.6km/h - Average wind speed in October:
7.6km/h - Average wind speed in November:
10.6km/h - Average wind speed in December:
14.9km/h
The windiest month (with the highest average wind speed) is February (18.5km/h).
The calmest month (with the lowest average wind speed) is October (7.6km/h).
Average humidity
San Marcos, Nicaragua
The month with the highest relative humidity is October (85%).
The month with the lowest relative humidity is March (60%).
Average rainfall
San Marcos, Nicaragua
- Average rainfall in July:
148mm - Average rainfall in August:
214mm - Average rainfall in September:
216mm - Average rainfall in October:
401mm - Average rainfall in November:
115mm - Average rainfall in December:
21mm
The wettest month (with the highest rainfall) is October (401mm).
The driest month (with the least rainfall) is January (3mm).
Average rainfall days
San Marcos, Nicaragua
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
4.7 days - Average rainfall days in April:
11 days - Average rainfall days in May:
24 days - Average rainfall days in June:
27.8 days
- Average rainfall days in July:
24.7 days - Average rainfall days in August:
25.5 days - Average rainfall days in September:
27.5 days - Average rainfall days in October:
29.7 days - Average rainfall days in November:
20.9 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is October (29.7 days).
The month with the least rainy days is February (3.5 days).
Average daylight / Average sunshine
San Marcos, Nicaragua
- Average daylight in January:
11h and 3min - Average daylight in February:
11h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 4min - Average daylight in June:
12h and 5min
- Average daylight in July:
12h and 4min - Average daylight in August:
12h and 3min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 5min - Average daylight in November:
11h and 4min - Average daylight in December:
11h and 2min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in January:
7h and 1min - Average sunshine in February:
7h and 2min - Average sunshine in March:
9h and 4min - Average sunshine in April:
9h and 2min - Average sunshine in May:
9h and 4min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 2min - Average sunshine in October:
7h and 4min - Average sunshine in November:
9h and 0min - Average sunshine in December:
8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days
San Marcos, Nicaragua
- Average sunshine days in January:
21.5 days - Average sunshine days in February:
21.3 days - Average sunshine days in March:
24.9 days - Average sunshine days in April:
17.1 days - Average sunshine days in May:
4.3 days - Average sunshine days in June:
0.8 days
- Average sunshine days in July:
3.3 days - Average sunshine days in August:
2.6 days - Average sunshine days in September:
1.4 days - Average sunshine days in October:
0.9 days - Average sunshine days in November:
6.9 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is March (24.9 days).
The month with the least sunshine days is June (0.8 days).
Average UV index
San Marcos, Nicaragua
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
San Marcos, Nicaragua
The month with the most cloud cover is October (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 18).
Average visibility
San Marcos, Nicaragua
The months with the highest visibility are January, February, March, April and December (10km).
The month with the lowest visibility is October (8km).
San Marcos, Nicaragua
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