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Weather & Climate
Saint John’s, Saint John, Antigua and Barbuda
Overview
Available climate summaries for Saint John’s. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
27.2°C
Summer Avg
28.1°C
Winter Avg
26.1°C
Record High
30.6°C
Record Low
23.4°C
Annual Precipitation
1108.6 mm
Avg Humidity
77%
Summer Humidity
78%
Winter Humidity
76%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 28.3° | 25.9° | 23.6° | 40.9 | 76% | 153 | 47.1 |
| Feb | 28° | 25.6° | 23.5° | 28.6 | 75% | 158 | 45.5 |
| Mar | 28.5° | 25.8° | 23.4° | 35 | 75% | 198 | 44 |
| Apr | 29.2° | 26.4° | 23.7° | 51.9 | 76% | 200 | 44.5 |
| May | 30.2° | 27.1° | 24.7° | 91.1 | 78% | 198 | 40.2 |
| Jun | 29.4° | 27.8° | 25.8° | 92.1 | 78% | 191 | 39.5 |
| Jul | 29.6° | 28.1° | 26.4° | 113.8 | 78% | 198 | 53.4 |
| Aug | 30.1° | 28.4° | 26.7° | 134.8 | 79% | 198 | 68.4 |
| Sep | 30.6° | 28.4° | 26.6° | 142.8 | 79% | 179 | 79.8 |
| Oct | 30.5° | 28.2° | 26.1° | 175.8 | 79% | 164 | 55.4 |
| Nov | 29.2° | 27.5° | 24.3° | 132 | 78% | 144 | 44.4 |
| Dec | 28.8° | 26.7° | 24.4° | 69.8 | 77% | 142 | 47 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
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