Potrero Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Potrero.
Climate overview of Potrero
Potrero, Guanacaste, Costa Rica, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 31°C (88°F), peaking in April at 32°C (90°F) and dipping in October to 29°C (84°F).
Rainfall is high, totalling around 1545 mm (61 in) per year. October is the wettest month and February the driest. The city also experiences distinct dry (December to April) and wet (August to October) seasons. March is the sunniest month, averaging 10.2 hours of sunshine per day.
Potrero Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Potrero - and find the best time to visit.
Monthly Temperature in Potrero
With minimal seasonal shifts, Potrero experiences a constant climate year-round. Average maximum daytime temperatures range from a very warm 32°C (90°F) in April, the warmest time of the year, to a comfortable 29°C (84°F) during cooler months like October.
At night, you can expect temperatures ranging from 26°C (79°F) in April to around 25°C (77°F) during October.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Potrero
Potrero has a notably wet climate with abundant precipitation, recording 1545 mm (61 in) of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 329 mm (13 in) of precipitation, recorded across 21 rainy days. In contrast, the driest month February brings less rainfall, with 3 mm (0.1 in) over 5 rainy days. For more details, please visit our Potrero 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 Potrero
Seasonal changes in sunshine hours are quite dramatic in Potrero. While March receives considerable daily sunshine with up to 10.2 hours, September marks the darkest time of the year, where sunshine is scarce with only 5.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Potrero by Month
The relative humidity is high throughout the year in Potrero.
The city experiences its highest humidity in September, reaching 86%. In March, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Potrero
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, April and December
- Warmest weather: January, February, March, April and May
- Most sunshine: January and March
- Fewest rainy days: February and March
- Wettest months: May, June, July, August, September and October, when rainfall is highest.
- Seasonal pattern: Distinct dry (December to April) and wet (August to October) seasons
Frequently asked questions about the climate in Potrero
What is the best time to visit Potrero?
January, February, March, April and December typically offer the most optimal weather in Potrero. In contrast, May, June, August, September and October tend to have less optimal conditions. Potrero has distinct dry (December to April) and wet (August to October) seasons.
What temperatures can I expect in Potrero?
Daytime highs range from 29°C (84°F) in October to 32°C (90°F) in April. Nighttime lows range from 25°C (77°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Potrero get?
Annual rainfall is around 1545 mm (61 in). October is the wettest month with 329 mm (13 in), while February is the driest with 3 mm (0.1 in).
How sunny is Potrero?
Potrero receives around 2,675 hours of sunshine per year. March is the sunniest month with 305 hours, while September is the cloudiest with just 158 hours. Overall, Potrero enjoys abundant sunshine.
Potrero 3-Day Forecast
Potrero on the map
Potrero is highlighted - select any city to see its climate.
Popular this month
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