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Weather & Climate
Grajaú, Maranhão, Brazil
Overview
Climate data and monthly weather averages for Grajaú.
Key Metrics
Annual Avg
27.4°C
Summer Avg
26.3°C
Winter Avg
27.7°C
Record High
41.6°C
Record Low
16.3°C
Annual Precipitation
1040.1 mm
Avg Humidity
67%
Summer Humidity
79%
Winter Humidity
55%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 37.3° | 26° | 19° | 168.6 | 80% | 150 | 26.8 |
| Feb | 38° | 25.4° | 19.7° | 170.2 | 84% | 139 | 24.6 |
| Mar | 36.2° | 25.5° | 19.6° | 171.4 | 85% | 155 | 27.8 |
| Apr | 37° | 25.6° | 18.6° | 142.8 | 84% | 151 | 29.6 |
| May | 37.1° | 26.1° | 18.6° | 71 | 79% | 156 | 33.6 |
| Jun | 37.8° | 26.6° | 16.4° | 9.6 | 66% | 161 | 34.8 |
| Jul | 38.6° | 27.5° | 16.3° | 6.5 | 54% | 175 | 35.1 |
| Aug | 40.6° | 28.9° | 16.9° | 8.1 | 44% | 185 | 36.6 |
| Sep | 41.3° | 30.5° | 19.2° | 19.2 | 43% | 177 | 41 |
| Oct | 41.5° | 30.3° | 20.3° | 62.6 | 52% | 167 | 35.5 |
| Nov | 41.6° | 28.9° | 20.3° | 84.6 | 63% | 149 | 31.9 |
| Dec | 40.9° | 27.4° | 19.6° | 125.5 | 72% | 151 | 28 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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