Aserrí Climate by Month
Aserrí, San José, Costa Rica
Mild all year, with rain spread through the year.
The climate in Aserrí is mild all year, with rain spread through the year. Afternoon highs range from 72°F (22°C) in November to 76°F (24°C) in April, and February nights average 55°F (13°C). It gets 106 in (2689 mm) of rain a year, spread across the months. The air is humid, averaging 87% relative humidity.
- Warmest month
- 76°F(24°C)
- Average high, April
- Coldest nights
- 55°F(13°C)
- Average low, February
- Rain per year
- 106 in(2689 mm)
- No clear rainy season
- Humidity
- 87%
- Sunniest: March
Best and worst months in Aserrí
Best for weatherMarch is the best time for weather in Aserrí: highs near 75°F (24°C) and about 1.3 in (32 mm) of rain a month.
Least pleasantSeptember and October are the least pleasant; October is the wettest, with 16 in (411 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in March.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Aserrí weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 72°F(22°C) | 55°F(13°C) | 2.3 in(59 mm) | 85% | 5.0 |
| FebFebruary | 73°F(23°C) | 55°F(13°C) | 1.9 in(47 mm) | 84% | 5.6 |
| MarMarchBest | 75°F(24°C) | 55°F(13°C) | 1.3 in(32 mm) | 80% | 6.1 |
| AprApril | 76°F(24°C) | 57°F(14°C) | 3.2 in(82 mm) | 86% | 6.0 |
| MayMay | 75°F(24°C) | 58°F(14°C) | 13 in(329 mm) | 86% | 5.5 |
| JunJune | 74°F(23°C) | 58°F(14°C) | 13 in(331 mm) | 88% | 5.6 |
| JulJuly | 74°F(23°C) | 58°F(14°C) | 9.8 in(250 mm) | 87% | 5.4 |
| AugAugust | 74°F(24°C) | 57°F(14°C) | 13 in(327 mm) | 88% | 5.5 |
| SepSeptember | 74°F(24°C) | 56°F(14°C) | 16 in(398 mm) | 89% | 5.5 |
| OctOctober | 73°F(23°C) | 56°F(13°C) | 16 in(411 mm) | 92% | 5.1 |
| NovNovember | 72°F(22°C) | 56°F(13°C) | 11 in(286 mm) | 89% | 4.7 |
| DecDecember | 72°F(22°C) | 55°F(13°C) | 5.4 in(137 mm) | 90% | 4.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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