Colleferro in May
7.2out of 10
Possible, with caveats
Mild: highs around 21°C. Frequent rain: about 12 rainy days.
21°CAvg high
11°CAvg low
12Rainy days (99 mm)
14:21 hDaylight
05:54Sunrise · 20:15 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 12 rainy days
- Rain varies a lot between years (±5.2 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 (±5.2 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 | 10°C | 1°C | 86 mm | 10 | – | – | 5.7 |
| February | 10°C | 1°C | 93 mm | 10 | – | – | 5.7 |
| March | 14°C | 4°C | 105 mm | 11 | – | – | 6.1 |
| April | 17°C | 6°C | 118 mm | 14 | – | – | 6.2 |
| May | 21°C | 11°C | 99 mm | 12 | – | – | 7.2 |
| June | 25°C | 14°C | 68 mm | 9 | – | – | 7.8 |
| July | 29°C | 17°C | 43 mm | 7 | – | – | 8.2 |
| August | 29°C | 18°C | 42 mm | 7 | – | – | 8.1 |
| September | 24°C | 14°C | 103 mm | 12 | – | – | 7.4 |
| October | 20°C | 10°C | 131 mm | 12 | – | – | 6.9 |
| November | 14°C | 6°C | 157 mm | 13 | – | – | 5.7 |
| December | 10°C | 2°C | 126 mm | 11 | – | – | 5.5 |
Frequently asked questions
How hot is Colleferro in May?
Daytime highs average 21°C and nights about 11°C.
When is the best time to visit Colleferro?
The best months are July, August, June.