Average annual temperature is 10.7 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: -15.1 °C
Number of sunny days: 137 days
Number of rainy days: 211 days
Number of snow days: 17 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) | 14.5 | 18.9 | 19.4 | 27.4 | 27.7 | 31.0 | 30.3 | 30.5 | 29.9 | 25.8 | 17.5 | 16.3 |
| Average daytime temperature (°C) | 5.6 | 9.1 | 8.7 | 17.4 | 20.0 | 23.6 | 26.6 | 25.4 | 22.1 | 16.3 | 9.7 | 7.0 |
| Average temperature (°C) | 2.0 | 2.8 | 3.1 | 10.5 | 13.6 | 17.7 | 21.5 | 20.1 | 17.0 | 11.9 | 4.6 | 3.3 |
| Average night temperature (°C) | -0.7 | -2.2 | -1.2 | 4.9 | 7.3 | 12.5 | 17.3 | 15.8 | 12.9 | 8.2 | 0.7 | 0.4 |
| Absolute minimum temperature (°C) | -7.7 | -15.1 | -9.2 | -3.2 | 0.3 | 7.0 | 13.2 | 10.4 | 6.8 | -0.5 | -8.3 | -5.8 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.6 | 6.1 | 6.1 | 8.3 | 10.3 | 10.7 | 11.3 | 10.7 | 8.8 | 6.3 | 6.7 | 3.7 |
| Precipitation (mm) | 145 | 79 | 117 | 75 | 84 | 162 | 110 | 128 | 67 | 103 | 72 | 81 |
| Sunny days | 5 | 12 | 7 | 13 | 21 | 11 | 5 | 9 | 13 | 14 | 16 | 11 |
| Rainy days | 19 | 15 | 20 | 17 | 10 | 19 | 26 | 22 | 17 | 17 | 12 | 17 |
| Snow days | 7 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Armagh during the most sunny months:
The largest precipitation sum in Armagh is at