Average annual temperature is 27.1 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 20.3 °C
Number of sunny days: 57 days
Number of rainy days: 308 days
Look at detailed online map of Jolly Harbour
* Weather data for Jolly Harbour Antigua and Barbuda is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.2 | 28.1 | 29.1 | 29.8 | 30.5 | 31.7 | 32.9 | 32.9 | 33.6 | 31.5 | 30.1 | 29.7 |
| Average daytime temperature (°C) | 27.3 | 27.2 | 28.0 | 28.1 | 29.6 | 30.9 | 31.4 | 31.8 | 32.3 | 29.9 | 29.4 | 28.8 |
| Average temperature (°C) | 25.1 | 24.8 | 25.3 | 25.6 | 27.4 | 28.4 | 28.8 | 28.9 | 29.3 | 27.9 | 27.4 | 26.3 |
| Average night temperature (°C) | 23.3 | 23.0 | 23.1 | 23.7 | 25.5 | 26.3 | 26.5 | 26.4 | 26.7 | 26.2 | 25.8 | 24.2 |
| Absolute minimum temperature (°C) | 21.4 | 21.9 | 21.6 | 20.3 | 23.9 | 23.8 | 24.4 | 24.3 | 24.7 | 24.9 | 24.0 | 21.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.3 | 10.8 | 11.1 | 11.5 | 11.8 | 11.6 | 11.2 | 10.9 | 11.2 | 9.0 | 10.3 | 9.9 |
| Precipitation (mm) | 38 | 29 | 34 | 66 | 40 | 100 | 63 | 83 | 64 | 211 | 23 | 19 |
| Sunny days | 7 | 3 | 7 | 0 | 2 | 3 | 7 | 3 | 2 | 2 | 8 | 13 |
| Rainy days | 24 | 25 | 24 | 30 | 29 | 27 | 24 | 28 | 28 | 29 | 22 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Jolly Harbour is at