Windsor in May
7.3out of 10
Possible, with caveats
Mild: highs around 21°C. Frequent rain: about 12 rainy days.
21°CAvg high
6°CAvg low
12Rainy days (88 mm)
14:15 hDaylight
05:48Sunrise · 20:03 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 12 rainy days
- Rain varies a lot between years (±4.7 days)
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±4.7 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 | 6°C | -7°C | 16 mm | 4 | – | – | 5.4 |
| February | 8°C | -6°C | 18 mm | 5 | – | – | 5.5 |
| March | 13°C | -2°C | 38 mm | 7 | – | – | 6.5 |
| April | 17°C | 2°C | 63 mm | 10 | – | – | 6.9 |
| May | 21°C | 6°C | 88 mm | 12 | – | – | 7.3 |
| June | 27°C | 11°C | 54 mm | 9 | – | – | 7.9 |
| July | 31°C | 15°C | 44 mm | 8 | – | – | 7.6 |
| August | 29°C | 14°C | 37 mm | 7 | – | – | 8.1 |
| September | 25°C | 9°C | 40 mm | 6 | – | – | 8.3 |
| October | 18°C | 3°C | 40 mm | 7 | – | – | 7.6 |
| November | 11°C | -2°C | 26 mm | 5 | – | – | 6.2 |
| December | 5°C | -6°C | 16 mm | 4 | – | – | 5.4 |
Frequently asked questions
How hot is Windsor in May?
Daytime highs average 21°C and nights about 6°C.
When is the best time to visit Windsor?
The best months are September, August, June.