Average annual temperature is 23.7 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 37 days
Number of rainy days: 328 days
Look at detailed online map of Johnson
* Weather data for Johnson 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) | 29.8 | 29.4 | 29.6 | 29.8 | 31.2 | 33.1 | 34.2 | 32.7 | 32.8 | 31.0 | 31.0 | 29.8 |
| Average daytime temperature (°C) | 27.4 | 28.1 | 27.7 | 27.8 | 29.0 | 29.7 | 31.4 | 30.7 | 30.7 | 29.5 | 28.6 | 27.5 |
| Average temperature (°C) | 21.7 | 22.0 | 21.9 | 22.5 | 24.0 | 25.0 | 25.6 | 25.5 | 25.3 | 24.8 | 23.5 | 22.6 |
| Average night temperature (°C) | 18.3 | 18.4 | 18.3 | 19.0 | 20.7 | 21.9 | 21.5 | 22.2 | 22.0 | 21.9 | 20.6 | 19.7 |
| Absolute minimum temperature (°C) | 15.1 | 17.0 | 16.7 | 17.6 | 19.9 | 20.4 | 20.3 | 20.9 | 21.2 | 19.4 | 18.9 | 18.6 |
| 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) | 10.4 | 10.7 | 10.9 | 11.6 | 11.2 | 10.3 | 11.8 | 10.9 | 10.7 | 10.3 | 8.8 | 9.6 |
| Precipitation (mm) | 31 | 42 | 135 | 136 | 168 | 137 | 74 | 105 | 95 | 125 | 155 | 45 |
| Sunny days | 10 | 5 | 2 | 3 | 0 | 3 | 3 | 2 | 0 | 0 | 3 | 6 |
| Rainy days | 21 | 23 | 29 | 27 | 31 | 27 | 28 | 29 | 30 | 31 | 27 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Johnson is at