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Weather & Climate
Osa, Puntarenas, Costa Rica
Overview
Climate data and monthly weather averages for Osa.
Key Metrics
Annual Avg
25.8°C
Summer Avg
25.5°C
Winter Avg
25.9°C
Record High
33.6°C
Record Low
21.2°C
Annual Precipitation
2544.9 mm
Avg Humidity
81%
Summer Humidity
87%
Winter Humidity
75%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 31.2° | 25.8° | 21.2° | 89 | 75% | 169 | 18.6 |
| Feb | 32.5° | 26.5° | 21.9° | 49.6 | 69% | 171 | 20.1 |
| Mar | 33.3° | 27.1° | 22.4° | 66.3 | 68% | 193 | 20.4 |
| Apr | 33.6° | 26.9° | 22.9° | 136.2 | 74% | 159 | 26.2 |
| May | 31.8° | 26° | 22.9° | 297.6 | 84% | 143 | 28.9 |
| Jun | 30.1° | 25.6° | 23° | 270.9 | 87% | 137 | 28.7 |
| Jul | 30.2° | 25.5° | 22.5° | 320.2 | 86% | 139 | 32.4 |
| Aug | 29.6° | 25.5° | 22.8° | 277.1 | 87% | 142 | 37 |
| Sep | 29.2° | 25.2° | 22.5° | 267.3 | 88% | 138 | 34.5 |
| Oct | 29.3° | 24.8° | 22.3° | 318.4 | 89% | 124 | 33.3 |
| Nov | 29.6° | 24.8° | 22.1° | 298.8 | 88% | 125 | 29.8 |
| Dec | 30.1° | 25.3° | 21.5° | 153.5 | 82% | 150 | 23.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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