Average annual temperature is 25.0 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 62 days
Number of rainy days: 303 days
Look at detailed online map of Armstrong
* Weather data for Armstrong Jamaica is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.0 | 32.3 | 33.1 | 31.9 | 33.6 | 34.5 | 36.1 | 35.3 | 34.7 | 33.0 | 32.2 | 31.4 |
| Average daytime temperature (°C) | 28.7 | 29.9 | 29.7 | 29.7 | 31.1 | 31.0 | 33.5 | 33.0 | 32.6 | 31.2 | 29.8 | 28.8 |
| Average temperature (°C) | 22.7 | 23.3 | 23.1 | 23.6 | 25.3 | 26.2 | 27.4 | 27.1 | 26.5 | 26.0 | 24.9 | 24.0 |
| Average night temperature (°C) | 18.8 | 18.9 | 18.8 | 19.5 | 21.5 | 22.7 | 23.1 | 23.3 | 22.8 | 23.0 | 21.8 | 21.0 |
| Absolute minimum temperature (°C) | 15.6 | 16.7 | 15.9 | 17.7 | 20.2 | 20.9 | 21.9 | 22.3 | 21.5 | 21.1 | 19.7 | 19.6 |
| 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 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.3 | 10.6 | 10.9 | 11.2 | 11.2 | 10.2 | 11.7 | 10.8 | 10.5 | 10.1 | 8.9 | 9.6 |
| Precipitation (mm) | 26 | 30 | 101 | 118 | 149 | 99 | 34 | 101 | 131 | 111 | 208 | 44 |
| Sunny days | 13 | 7 | 5 | 3 | 1 | 6 | 11 | 5 | 0 | 2 | 3 | 6 |
| Rainy days | 18 | 21 | 26 | 27 | 30 | 24 | 20 | 26 | 30 | 29 | 27 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Armstrong is at