Weather in Costa Rica

• All Year
• Spring
• Summer
• Autumn
• Winter

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

• San Jose, CR has comfortable temperatures throughout the year

• The temperature range is quite stable, with minimum temperatures between 13.9°C and 16.6°C and maximum temperatures between 23.1°C and 27.6°C

• March and April are the warmest months

• There are no months with discomfort temperatures.

Conditions

• In San Jose, Costa Rica, sun hours tend to decrease significantly from September through December, reaching a low of just 1.3 hours in December, while precipitation increases sharply during this period, culminating in nearly 19mm in December.

• The months of February and July stand out with relatively higher sun hours of 5.1 hours, but they still face considerable rainfall, indicating that even in sunnier months, the region experiences significant wet weather. Overall, San Jose exhibits a clear wet season from May to December, where higher precipitation levels correlate with lower sun hours.

Astronomy

• In San Jose, Costa Rica, the earliest sunrise occurs in May at 05:15, while the latest sunrise is at 05:57 in January, indicating minimal variation in morning light throughout the year. The sun sets latest at 18:01 in July and earliest at 17:11 in November, leading to a significant difference in evening daylight.

• Moreover, the shortest day occurs in December with a length of 11 hours and 33 minutes, while the longest day is in June, extending to 12 hours and 41 minutes. This showcases the slight but noticeable shifts in day length as the year progresses, influenced by the region's proximity to the equator.