Average annual temperature is 21.4 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: -0.4 °C
Number of sunny days: 192 days
Number of rainy days: 173 days
Look at detailed online map of Armagh
* Weather data for Armagh United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 25.4 | 27.8 | 27.9 | 30.3 | 32.3 | 37.7 | 38.6 | 40.7 | 37.9 | 34.0 | 29.3 | 24.9 |
| Average daytime temperature (°C) | 18.5 | 20.1 | 23.1 | 24.7 | 29.9 | 33.7 | 35.8 | 38.1 | 33.9 | 28.2 | 20.6 | 17.9 |
| Average temperature (°C) | 13.4 | 14.5 | 17.3 | 19.1 | 24.2 | 27.9 | 30.0 | 32.2 | 28.0 | 21.8 | 15.2 | 12.1 |
| Average night temperature (°C) | 9.6 | 10.4 | 13.2 | 14.8 | 19.4 | 23.3 | 25.3 | 26.9 | 22.8 | 16.7 | 11.2 | 7.7 |
| Absolute minimum temperature (°C) | 0.3 | 0.2 | -0.4 | 9.7 | 12.8 | 20.3 | 21.8 | 22.0 | 19.2 | 7.2 | 3.2 | 1.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.6 | 7.5 | 8.3 | 8.2 | 10.6 | 11.6 | 11.6 | 12.0 | 10.9 | 9.1 | 6.7 | 7.9 |
| Precipitation (mm) | 204 | 121 | 119 | 168 | 46 | 98 | 80 | 10 | 27 | 22 | 75 | 91 |
| Sunny days | 13 | 12 | 13 | 10 | 15 | 11 | 15 | 26 | 17 | 22 | 16 | 22 |
| Rainy days | 18 | 16 | 18 | 20 | 16 | 19 | 16 | 5 | 13 | 9 | 14 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Armagh during the most sunny months:
The largest precipitation sum in Armagh is at