Temperature
Cool by day, cold at night.
59°Ftypical May high
Typical range
Cool days and some sun.

Cool by day, cold at night.
Rain is frequent. About 14 wet days this month.
Cloudier spells limit sunshine.
In May, afternoons feel about 52° and nights feel near 42°.
Mostly cloudy skies this month.
Calm winds are typical in May.
May late afternoons are around 58°F, easing to about 56°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 46 | 38 | 2.8 | 14 | 3.5 | 88 |
| Feb | 47 | 38 | 2.5 | 13 | 5.0 | 85 |
| Mar | 50 | 39 | 2.4 | 13 | 6.4 | 82 |
| Apr | 54 | 42 | 2.6 | 13 | 8.5 | 79 |
| May | 59 | 46 | 2.9 | 14 | 9.9 | 78 |
| Jun | 63 | 51 | 3.1 | 14 | 9.6 | 79 |
| Jul | 66 | 54 | 3.3 | 15 | 8.7 | 81 |
| Aug | 65 | 54 | 3.5 | 15 | 8.2 | 83 |
| Sep | 62 | 51 | 2.8 | 13 | 6.8 | 84 |
| Oct | 56 | 47 | 3.4 | 14 | 5.5 | 86 |
| Nov | 50 | 42 | 3.1 | 14 | 4.0 | 88 |
| Dec | 46 | 39 | 3.1 | 13 | 3.2 | 89 |
Similar climates
Want a side-by-side climate view? Compare Armagh with Aachen.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology