San Isidro Temperature by Month

This graph shows the average minimum and maximum temperatures throughout the year in San Isidro (San José), Costa Rica. The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest.

Temperature patterns do vary with the seasons. In winter, the time of minimum and maximum temperatures can shift slightly compared to summer.

• On average, the warmest month is April with 25°C.
• On average, the coolest month is November with 23°C.
• The average annual maximum temperature is 24°C.
• The average annual minimum temperature is 17°C.