Derry in May
5.8out of 10
Possible, with caveats
Cool: highs only around 14°C. Very wet: about 15 rainy days.
14°CAvg high
7°CAvg low
15Rainy days (78 mm)
15:52 hDaylight
05:29Sunrise · 21:22 Sunset
Why this score
- Cool: highs only around 14°C
- Very wet: about 15 rainy days
- Rain varies a lot between years (±4.9 days)
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±4.9 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 7°C | 3°C | 87 mm | 17 | – | – | 4.5 |
| February | 8°C | 3°C | 76 mm | 15 | – | – | 4.7 |
| March | 9°C | 4°C | 75 mm | 16 | – | – | 4.9 |
| April | 11°C | 5°C | 74 mm | 15 | – | – | 5.3 |
| May | 14°C | 7°C | 78 mm | 15 | – | – | 5.8 |
| June | 16°C | 10°C | 87 mm | 16 | – | – | 6.0 |
| July | 17°C | 12°C | 93 mm | 17 | – | – | 6.0 |
| August | 17°C | 11°C | 94 mm | 17 | – | – | 6.0 |
| September | 16°C | 10°C | 75 mm | 14 | – | – | 6.2 |
| October | 13°C | 8°C | 88 mm | 16 | – | – | 5.4 |
| November | 10°C | 5°C | 90 mm | 17 | – | – | 4.8 |
| December | 7°C | 3°C | 90 mm | 16 | – | – | 4.6 |
Frequently asked questions
How hot is Derry in May?
Daytime highs average 14°C and nights about 7°C.
When is the best time to visit Derry?
The best months are September, June, July, August.