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Contents
- The climate of Santa Ana
- The best time to visit Santa Ana
- The worst time to visit Santa Ana
- Spring weather in Santa Ana
- Summer weather in Santa Ana
- Autumn weather in Santa Ana
- Winter weather in Santa Ana
- 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 Santa Ana
The city of Santa Ana, Costa Rica operates under the Köppen climate classification of 'Am', indicating a tropical monsoon climate. This classification perfectly captures Santa Ana's weather landscape, which sees high humidity, considerable amounts of rainfall, and consistently warm temperatures throughout the year.
Recognizing the city's geographical position, nestled within Central America, there is a noticeable absence of distinct seasons experienced in other parts of the globe. Instead, Santa Ana has a relatively constant thermal profile, with average high temperatures varying from 23.7°C (74.7°F) to 28°C (82.4°F) and lows fluctuating minimally from 15.3°C (59.5°F) to 18.5°C (65.3°F) in the course of a year.
The city receives a multitude of rain, with average monthly rainfall spanning from 24mm (0.94") in the relatively drier months to a hefty 429mm (16.89") during the rainiest period, corresponding to an annual average of around 2695mm (106.1"). Concurrently, humidity sees little annual variation, rotating from a low of 71% to peak at 90%, reflecting the city's tropical climate.
An exceptional trait of Santa Ana's climate is the diminishing daylight from 12.7 hours per day in June to 11.6 hours per day in December and January, coupled with a similar reduction in sunshine hours. Wind speeds tend to be relatively gentle, averaging between 3.9km/h (2.4mph) and 10.9km/h (6.8mph) annually.
Recognizing the city's geographical position, nestled within Central America, there is a noticeable absence of distinct seasons experienced in other parts of the globe. Instead, Santa Ana has a relatively constant thermal profile, with average high temperatures varying from 23.7°C (74.7°F) to 28°C (82.4°F) and lows fluctuating minimally from 15.3°C (59.5°F) to 18.5°C (65.3°F) in the course of a year.
The city receives a multitude of rain, with average monthly rainfall spanning from 24mm (0.94") in the relatively drier months to a hefty 429mm (16.89") during the rainiest period, corresponding to an annual average of around 2695mm (106.1"). Concurrently, humidity sees little annual variation, rotating from a low of 71% to peak at 90%, reflecting the city's tropical climate.
An exceptional trait of Santa Ana's climate is the diminishing daylight from 12.7 hours per day in June to 11.6 hours per day in December and January, coupled with a similar reduction in sunshine hours. Wind speeds tend to be relatively gentle, averaging between 3.9km/h (2.4mph) and 10.9km/h (6.8mph) annually.
The best time to visit Santa Ana
Taking into account the overall climatic conditions, the ideal time to visit Santa Ana is in the dry months of January and February. The city sees its lowest rainfall levels during these months, averaging 31mm (1.22") and 24mm (0.94") respectively. The temperatures maintain a warm profile but are not excessively hot, averaging highs of 25.8°C (78.4°F) in January and 26.8°C (80.2°F) in February. The combined lower humidity, tolerable temperatures, and reduced rainfall create agreeable conditions for outdoor activities.
The worst time to visit Santa Ana
Contrarily, the months of May through October could be the least desirable for visitors due to the extreme rainfall and high humidity. Precipitation levels peak from 310mm (12.2") to 429mm (16.89") and humidity from 84% to 90% during these months. Ample rainfall, high humidity, and persistent cloud cover can limit outdoor activities and overall enjoyment of the region.
Spring weather in Santa Ana
Spring in Santa Ana, from March to May, is characterized by rising temperatures and a sharp increase in rainfall. March sees the highest temperatures of the season, with the highest monthly average at 27.8°C (82°F) and the lowest at 16.2°C (61.2°F). However, rainfall begins to surge in April, jumping to an average of 100mm (3.94"). May marks the start of the wet season, with an astounding average rainfall of 364mm (14.33") and the highest average relative humidity of the year at 84%.
Summer weather in Santa Ana
The summer season from June to August experiences the toughest weather conditions in Santa Ana. Average rainfall soars to a peak of 385mm (15.16") in June and remains high at 310mm (12.2") and 348mm (13.7") in July and August respectively. Temperatures see a slight dip, averaging maximum highs of 24.8°C (76.6°F) in June and minimum lows of 17.5°C (63.5°F) in July. Furthermore, these months also witness the least amount of sunshine days and highest cloud cover making them the least favorable for outdoor activities.
Autumn weather in Santa Ana
Autumn, which spans from September to November, is characterized by dominant rainfall and cloud cover yet slightly easing temperatures. With average rainfall totalling 349mm (13.74") in September and a whopping 429mm (16.89") in October, it's clear why it's considered part of the wet season. Despite that, November sees a drastic reduction in rainfall down to 172mm (6.77"), signaling the end of the wet season.
Winter weather in Santa Ana
Winter months in Santa Ana, from December to February, are the city's dry season marked by the lowest rainfall figures of the year. December sees an impressive drop in rainfall to just 61mm (2.4"), continuing to decrease in January and February, making it the most favorable season for outdoor pursuits. Furthermore, temperatures offer a harmonious blend of cool and warm, averaging between 15.3°C (59.5°F) and 26.8°C (80.2°F). However, it's worth noting that the daylight duration dips to its annual low of 11.6 hours in both December and January.
Weather in January
A new year in Santa Ana, Costa Rica, begins with warm and humid weather. A transition from cooler temperatures in the previous December to a slightly warmer environment in January can be noticed. The frequency of rainfall is moderate with an average humidity level, consistent with the Costa Rican tropical climate. Weather in January »
Weather in February
The weather in February takes on a consistent pattern as the transition from January is smooth. Although a slight rise in temperature can be noticed, February maintains the warmth and humidity that is characteristic of Santa Ana. Weather in February »
Weather in March
As Costa Rica approaches the end of the first quarter of the year, March in Santa Ana sees a shift in weather conditions. Comparatively, this period experiences warmer temperatures than February and slightly higher rainfall. This climatic pattern fosters a more tropical environment, maintaining consistent humidity and pressure levels. Weather in March »
Weather in April
In April, Santa Ana, Costa Rica, witnesses a significant leap in rainfall bringing about a noticeable departure in weather conditions from March. With warmer temperatures settling in, pressure levels showing no significant fluctuations, and considerably frequent rainfall, the onset of the rainy season in Santa Ana is evident. Weather in April »
Weather in May
The month of May marks a significant phase in the weather of Santa Ana as the rainy season manifests in full swing. This period shows a substantial increase in rainfall from the previous month, accompanied by an increment in humidity. Weather in May »
Weather in June
June continues the pattern established in May, with the rainy season firmly ensconced in Santa Ana. The transition from May to June sees little change in temperature, a decrease in daylight hours, and a slight increase in rainfall. Weather in June »
Weather in July
July continues with the rainy season, interspersed with slight changes in pattern from the June weather conditions. The persistent clouds coupled with the high relative humidity define the tropical climate of Santa Ana. Meanwhile, temperatures remain relatively stable and rainfall marginally decreases. Weather in July »
Weather in August
In its eighth month, Santa Ana experiences typical rainy season conditions with minor differences from the previous month. Compared to July, August sees a slight decrease in temperature and a small increase in rainfall. The consistent cloudy conditions and regulated pressure levels attribute to a steady weather pattern that Santa Ana is familiar with. Weather in August »
Weather in September
Santa Ana's weather rolls into September with increased rainfall, cooler temperatures, and increased humidity from the previous month. While sunlight hours and visibility decrease slightly, the still prevalent rainfall persists. Weather in September »
Weather in October
In Santa Ana, October holds the distinction of being the month with the heaviest rainfall. The temperatures cool down slightly in October and the substantial amount of rainfall results in higher humidity. Comparatively, the relative rainfall increases from September while temperature, pressure, and wind conditions remain relatively stable. Weather in October »
Weather in November
November sees a significant retreat from the peak rainy conditions of October as the dry season beckons in Santa Ana. A decrease in rainfall marks this transition period splendidly. In comparison, November brings cooler temperatures, lesser wind speed, and a considerable reduction in precipitation. Weather in November »
Weather in December
Santa Ana bids goodbye to the year with a noticeable shift in its climatology. The transition from reasonably rainy November to a largely dry December is readily observable. While lower humidity and reduced cloud cover indicate the onset of the dry season, an overall manageable weather defines the year's end. Weather in December »
[Resources]Frequently asked questions
How much does it rain in Santa Ana?
Throughout the year, in Santa Ana, Costa Rica, there are 289.2 rainfall days, and 2603mm (102.48") of precipitation is accumulated.
What are the months with the lowest UV index in Santa Ana?
The months with the lowest UV index in Santa Ana, Costa Rica, are January, February, May through December, with an average maximum UV index of 5.
What is the driest month in Santa Ana?
The month with the least rainfall is February, when the rain falls for 11.8 days and typically collects 24mm (0.94") of precipitation.
What month has the most sunshine in Santa Ana?
February has the most sunshine of the year, with an average of 9.4h of sunshine.
What is the least humid month in Santa Ana?
March is the least humid month in Santa Ana, with an average relative humidity of 71%.
What are the months with the highest UV index in Santa Ana?
March and April, with an average maximum UV index of 6, are months with the highest UV index in Santa Ana.
What month is the hottest in Santa Ana?
In Santa Ana, April is known for its average highest temperatures, reaching a high of 28°C (82.4°F) and a low of 17.4°C (63.3°F).
When are the longest days in Santa Ana?
June has the longest days of the year in Santa Ana, Costa Rica, with an average of 12h and 42min of daylight.
What month is the coldest in Santa Ana?
October is the coldest month, exhibiting average temperatures of 23.7°C (74.7°F) at the peak and 17.6°C (63.7°F) at the base.
What is the most humid month in Santa Ana?
With an average relative humidity of 90%, October is the most humid month.
What is the wettest month in Santa Ana?
October is the month with the most rainfall in Santa Ana. Rain falls for 30.5 days and accumulates 429mm (16.89") of precipitation.
What is the month with the least sunshine in Santa Ana?
The month with the least sunshine in Santa Ana is October, with an average of 6.1h of sunshine.
What is the month with the shortest days in Santa Ana?
The month with the shortest days in Santa Ana is December, with an average of 11h and 36min of daylight.
Is there Daylight Saving Time (DST) in Santa Ana?
Santa Ana, Costa Rica, does not utilize Daylight Saving Time (DST). CST timezone is used over the entire year.
Average temperature
Santa Ana, Costa Rica
The warmest month (with the highest average high temperature) is April (28°C).
The month with the lowest average high temperature is October (23.7°C).
The month with the highest average low temperature is May (18.5°C).
The coldest month (with the lowest average low temperature) is January (15.3°C).
Average pressure
Santa Ana, Costa Rica
- Average pressure in January:
1012.2mbar - Average pressure in February:
1011.9mbar - Average pressure in March:
1012mbar - Average pressure in April:
1011.4mbar - Average pressure in May:
1011.1mbar - Average pressure in June:
1011.1mbar
- Average pressure in July:
1011.4mbar - Average pressure in August:
1011.3mbar - Average pressure in September:
1011mbar - Average pressure in October:
1010.8mbar - Average pressure in November:
1011mbar - Average pressure in December:
1011.6mbar
The month with the highest atmospheric pressure is January (1012.2mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).
Average wind speed
Santa Ana, Costa Rica
- Average wind speed in January:
10.8km/h - Average wind speed in February:
10.9km/h - Average wind speed in March:
9.7km/h - Average wind speed in April:
6.9km/h - Average wind speed in May:
5km/h - Average wind speed in June:
4.7km/h
- Average wind speed in July:
6.4km/h - Average wind speed in August:
5km/h - Average wind speed in September:
3.9km/h - Average wind speed in October:
4.2km/h - Average wind speed in November:
6.4km/h - Average wind speed in December:
9.1km/h
The windiest month (with the highest average wind speed) is February (10.9km/h).
The calmest month (with the lowest average wind speed) is September (3.9km/h).
Average humidity
Santa Ana, Costa Rica
The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is March (71%).
Average rainfall
Santa Ana, Costa Rica
- Average rainfall in January:
31mm - Average rainfall in February:
24mm - Average rainfall in March:
30mm - Average rainfall in April:
100mm - Average rainfall in May:
364mm - Average rainfall in June:
385mm
- Average rainfall in July:
310mm - Average rainfall in August:
348mm - Average rainfall in September:
349mm - Average rainfall in October:
429mm - Average rainfall in November:
172mm - Average rainfall in December:
61mm
The wettest month (with the highest rainfall) is October (429mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days
Santa Ana, Costa Rica
- Average rainfall days in January:
14.3 days - Average rainfall days in February:
11.8 days - Average rainfall days in March:
16.5 days - Average rainfall days in April:
21.8 days - Average rainfall days in May:
28.7 days - Average rainfall days in June:
29 days
- Average rainfall days in July:
29.7 days - Average rainfall days in August:
28.8 days - Average rainfall days in September:
29.5 days - Average rainfall days in October:
30.5 days - Average rainfall days in November:
27.8 days - Average rainfall days in December:
20.8 days
The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (11.8 days).
Average daylight / Average sunshine
Santa Ana, Costa Rica
- Average daylight in January:
11h and 4min - 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 4min
- Average daylight in July:
12h and 4min - Average daylight in August:
12h and 2min - 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 4min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in January:
8h and 5min - Average sunshine in February:
9h and 2min - Average sunshine in March:
9h and 1min - Average sunshine in April:
8h and 5min - Average sunshine in May:
7h and 1min - Average sunshine in June:
6h and 4min
- Average sunshine in July:
7h and 4min - Average sunshine in August:
6h and 5min - Average sunshine in September:
6h and 5min - Average sunshine in October:
6h and 1min - Average sunshine in November:
6h and 5min - Average sunshine in December:
8h and 2min
The month with the most sunshine is February (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 6h and 6min).
Average sunshine days
Santa Ana, Costa Rica
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
10.9 days - Average sunshine days in April:
5.7 days - Average sunshine days in May:
1.3 days - Average sunshine days in June:
0.6 days
- Average sunshine days in July:
0.3 days - Average sunshine days in August:
0.9 days - Average sunshine days in September:
0.4 days - Average sunshine days in October:
0.4 days - Average sunshine days in November:
1.4 days - Average sunshine days in December:
7.5 days
The month with the most sunshine days is February (13.1 days).
The month with the least sunshine days is July (0.3 days).
Average UV index
Santa Ana, Costa Rica
The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover
Santa Ana, Costa Rica
The month with the most cloud cover is October (Cloud cover 63).
The month with the least cloud cover is February (Cloud cover 23).
Average visibility
Santa Ana, Costa Rica
The months with the highest visibility are January, February, March and April (9km).
The months with the lowest visibility are September and October (6km).
Santa Ana, Costa Rica
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