Barú Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Barú.
Climate overview of Barú
With consistently stable weather, Barú, Puntarenas, Costa Rica, sees little seasonal temperature change. Daytime highs average 26°C (79°F), ranging from 27°C (81°F) in March to 25°C (77°F) in November.
The city receives considerable rainfall, with around 7293 mm (287 in) annually. October is the wettest month. January is the sunniest month, averaging 9.0 hours of sunshine per day.
Barú Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Barú - and find the best time to visit.
Monthly Temperature in Barú
The climate in Barú remains fairly constant, offering comfortable temperatures throughout the year. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in March to a comfortable 25°C (77°F) in the coolest month, November.
Nights vary from 22°C (72°F) in March to around 21°C (70°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Barú
Barú is known for its substantial rainfall, with annual precipitation reaching 7293 mm (287 in). The climate in Barú shows significant variation throughout the year. Expect heavy rainfall in October, the wettest month, with an average of 948 mm (37 in) of precipitation over 22 rainy days.
In contrast, the driest month March offers drier and sunnier days, with around 144 mm (5.7 in) of rainfall over 8 rainy days. For more details, please visit our Barú Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Barú
For those who appreciate different seasons, Barú serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 9.0 hours of sunshine daily, and embrace the darker days in June, offering only 4.9 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Barú by Month
The city experiences its highest humidity in June, reaching 83%. In April, the humidity drops to its lowest level at 79%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Barú
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: February and March
- Warmest weather: all year round
- Most sunshine: January, February and March
- Fewest rainy days: February, March and April
Frequently asked questions about the climate in Barú
What is the best time to visit Barú?
February and March typically offer the most optimal weather in Barú. In contrast, April, May, June, July, August, September, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Barú?
Daytime highs range from 25°C (77°F) in November to 27°C (81°F) in March. Nighttime lows range from 21°C (70°F) to 22°C (72°F). Temperatures stay relatively stable year-round.
How much rain does Barú get?
Annual rainfall is around 7293 mm (287 in). October is the wettest month with 948 mm (37 in), while March is the driest with 144 mm (5.7 in).
How sunny is Barú?
Barú receives around 2,412 hours of sunshine per year. January is the sunniest month with 270 hours, while June is the cloudiest with just 148 hours. Overall, Barú enjoys abundant sunshine.
Barú 3-Day Forecast
Barú 3-Day Forecast
Barú on the map
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