San Rafael, Costa Rica Climate by Month
San Rafael, San José, Costa Rica
Warm all year, with rain spread through the year.
Warm all year, with rain spread through the year: that's San Rafael's climate in short. Expect highs of 82°F (28°C) in April and 78°F (26°C) in November, with the coldest nights (February) near 60°F (16°C). It gets 111 in (2817 mm) of rain a year, spread across the months. The air is humid, averaging 84% relative humidity.
- Warmest month
- 82°F(28°C)
- Average high, April
- Coldest nights
- 60°F(16°C)
- Average low, February
- Rain per year
- 111 in(2817 mm)
- No clear rainy season
- Humidity
- 84%
- Sunniest: March
Best and worst months in San Rafael
Best for weatherThe most comfortable weather comes from January to March, with highs around 80°F (26°C) and about 2.2 in (56 mm) of rain a month.
Least pleasantOctober is the least pleasant month: it's the wettest, with 17 in (443 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 February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
San Rafael weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 78°F(26°C) | 60°F(16°C) | 2.9 in(73 mm) | 82% | 5.3 |
| FebFebruaryBest | 79°F(26°C) | 60°F(16°C) | 2.2 in(57 mm) | 80% | 5.8 |
| MarMarchBest | 81°F(27°C) | 61°F(16°C) | 1.5 in(38 mm) | 80% | 6.3 |
| AprApril | 82°F(28°C) | 62°F(17°C) | 4.0 in(101 mm) | 82% | 6.1 |
| MayMay | 81°F(27°C) | 63°F(17°C) | 14 in(344 mm) | 86% | 5.6 |
| JunJune | 80°F(27°C) | 62°F(17°C) | 14 in(360 mm) | 85% | 5.5 |
| JulJuly | 80°F(27°C) | 63°F(17°C) | 12 in(304 mm) | 84% | 5.4 |
| AugAugust | 80°F(27°C) | 62°F(17°C) | 15 in(374 mm) | 85% | 5.5 |
| SepSeptember | 80°F(26°C) | 61°F(16°C) | 16 in(397 mm) | 87% | 5.5 |
| OctOctober | 79°F(26°C) | 61°F(16°C) | 17 in(443 mm) | 88% | 5.2 |
| NovNovember | 78°F(26°C) | 61°F(16°C) | 9.2 in(233 mm) | 85% | 4.8 |
| DecDecember | 78°F(26°C) | 61°F(16°C) | 3.7 in(93 mm) | 85% | 5.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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