Unlock deeper multi-jurisdiction research
Full sub-pages, saves, and alerts are available on paid plans.
Weather & Climate
Santa Helena, Maranhão, Brazil
Overview
Climate data and monthly weather averages for Santa Helena.
Key Metrics
Annual Avg
27.4°C
Summer Avg
27.6°C
Winter Avg
26.2°C
Record High
40.5°C
Record Low
19.3°C
Annual Precipitation
1859 mm
Avg Humidity
79%
Summer Humidity
77%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 39.2° | 27.4° | 20.8° | 202.1 | 78% | 142 | 13.9 |
| Feb | 37.5° | 26.4° | 21.1° | 279.4 | 86% | 126 | 12.5 |
| Mar | 36.1° | 26.2° | 20.4° | 362.7 | 88% | 139 | 10.8 |
| Apr | 34.7° | 26.2° | 21.8° | 359.4 | 89% | 136 | 10.5 |
| May | 39.2° | 26.4° | 21.5° | 245.5 | 89% | 146 | 10.6 |
| Jun | 33.7° | 26° | 19.7° | 150.9 | 88% | 149 | 12.3 |
| Jul | 34.5° | 25.9° | 19.8° | 94.9 | 86% | 160 | 12.5 |
| Aug | 38° | 26.8° | 19.3° | 35 | 79% | 176 | 12.9 |
| Sep | 39° | 28.5° | 20.3° | 21 | 68% | 174 | 13.4 |
| Oct | 40.3° | 29.7° | 20.9° | 18.3 | 62% | 174 | 14.7 |
| Nov | 40.5° | 29.9° | 21.8° | 29.7 | 62% | 157 | 14.2 |
| Dec | 39.8° | 29° | 21.1° | 60.1 | 67% | 148 | 14.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
Subscribe to unlock the full sub-page depth for additional jurisdictions.
You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.