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Weather & Climate
Riachão, Maranhão, Brazil
Overview
Climate data and monthly weather averages for Riachão.
Key Metrics
Annual Avg
27.2°C
Summer Avg
26.1°C
Winter Avg
27.3°C
Record High
41.6°C
Record Low
15.4°C
Annual Precipitation
1328 mm
Avg Humidity
65%
Summer Humidity
78%
Winter Humidity
49%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 36.3° | 25.9° | 19.1° | 231.9 | 79% | 154 | 30.6 |
| Feb | 35.7° | 25.5° | 19.8° | 216.7 | 83% | 142 | 30.5 |
| Mar | 34.5° | 25.7° | 19.3° | 214.8 | 83% | 157 | 29.1 |
| Apr | 34.5° | 25.7° | 18.2° | 151.8 | 81% | 153 | 32 |
| May | 36.3° | 26.1° | 17.5° | 60.8 | 74% | 162 | 32.7 |
| Jun | 36.9° | 26.4° | 15.8° | 9.6 | 59% | 167 | 37.3 |
| Jul | 37.5° | 27° | 15.4° | 4.6 | 49% | 184 | 36.9 |
| Aug | 39.9° | 28.5° | 16.8° | 6.2 | 40% | 199 | 39.6 |
| Sep | 41.1° | 30.3° | 17.9° | 26.7 | 39% | 192 | 40.3 |
| Oct | 41.6° | 29.9° | 19.9° | 99.2 | 51% | 172 | 41.9 |
| Nov | 40.7° | 28.1° | 19.6° | 138.3 | 65% | 150 | 38.7 |
| Dec | 40.1° | 26.9° | 19.4° | 167.4 | 73% | 154 | 30.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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