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Santa Ana Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santa Ana.
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Climate overview of Santa Ana
With consistently stable weather, Santa Ana, San José Province, Costa Rica, sees little seasonal temperature change. Daytime highs average 25°C (77°F), ranging from 27°C (81°F) in April to 25°C (77°F) in November.
The city receives considerable rainfall, with around 3516 mm (138 in) annually. October is the wettest month. It has a distinct rainy season from May to November. The most sunshine falls in March, with an average of 9.5 hours of daily sunshine.
Santa Ana Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santa Ana - and find the best time to visit.
Monthly Temperature in Santa Ana
The climate in Santa Ana remains fairly constant, offering comfortable temperatures throughout the year. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in April to a comfortable 25°C (77°F) in the coolest month, November.
Nights vary from 18°C (64°F) in April to around 16°C (61°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santa Ana
Santa Ana is known for its substantial rainfall, with annual precipitation reaching 3516 mm (138 in). The climate in Santa Ana shows significant variation throughout the year. Expect heavy rainfall in October, the wettest month, with an average of 514 mm (20 in) of precipitation over 23 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 53 mm (2.1 in) of rainfall over 9 rainy days. For more details, please visit our Santa Ana Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Santa Ana
For those who appreciate different seasons, Santa Ana serves as an ideal destination. Expect longer, more sun-filled days in March with an average of 9.5 hours of sunshine daily, and embrace the darker days in June, offering only 4.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: San José, Costa Rica (11 KM, 6 Miles).
Daily hours of sunshine
Data from: San José, Costa Rica (11 KM, 6 Miles).
Humidity in Santa Ana by Month
The relative humidity is high throughout the year in Santa Ana.
The city experiences its highest humidity in October, reaching 87%. In March, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: San José, Costa Rica (11 KM, 6 Miles).
Best Time to Visit Santa Ana
For comfortable weather, consider visiting Santa Ana in January, February and March. Conditions are usually least favourable in May, June, July, August, September, October and November.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
very good
May
very wet
Jun
very wet
Jul
very wet
Aug
very wet
Sep
very wet
Oct
very wet
Nov
very wet
Dec
very good
- Best overall: January, February and March
- Warmest weather: February, March, April, May and June
- Most sunshine: January and March
- Fewest rainy days: February and March
- Seasonal pattern: A distinct rainy season from May to November
Frequently asked questions about the climate in Santa Ana
What is the best time to visit Santa Ana?
January, February and March typically offer the most optimal weather in Santa Ana. In contrast, May, June, July, August, September, October and November tend to have less optimal conditions. Santa Ana has a distinct rainy season from May to November.
What temperatures can I expect in Santa Ana?
Daytime highs range from 25°C (77°F) in November to 27°C (81°F) in April. Nighttime lows range from 16°C (61°F) to 18°C (64°F). Temperatures stay relatively stable year-round.
How much rain does Santa Ana get?
Annual rainfall is around 3516 mm (138 in). October is the wettest month with 514 mm (20 in), while February is the driest with 53 mm (2.1 in).
How sunny is Santa Ana?
Santa Ana receives around 2,446 hours of sunshine per year. March is the sunniest month with 284 hours, while June is the cloudiest with just 145 hours. Overall, Santa Ana enjoys abundant sunshine.
Santa Ana 3-Day Forecast
Santa Ana on the map
Santa Ana is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Tamarindo
30°C (86°F) Santa Teresa28°C (82°F) Cahuita29°C (84°F) Fortuna28°C (82°F) Puerto Viejo de Talamanca29°C (84°F) Herradura28°C (82°F) Jacó28°C (82°F) San José24°C (75°F) Bucket list
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