Norrtälje in May
6.5out of 10
Possible, with caveats
Cool: highs only around 13°C. Frequent rain: about 9 rainy days.
13°CAvg high
5°CAvg low
9Rainy days (39 mm)
16:46 hDaylight
04:19Sunrise · 21:04 Sunset
Why this score
- Cool: highs only around 13°C
- Frequent rain: about 9 rainy days
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in May is fairly consistent from year to year (3.0 days). 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 | 0°C | -4°C | 36 mm | 9 | – | – | 4.1 |
| February | 0°C | -4°C | 29 mm | 7 | – | – | 4.2 |
| March | 3°C | -2°C | 29 mm | 7 | – | – | 4.8 |
| April | 8°C | 1°C | 31 mm | 8 | – | – | 5.7 |
| May | 13°C | 5°C | 39 mm | 9 | – | – | 6.5 |
| June | 17°C | 10°C | 59 mm | 10 | – | – | 6.9 |
| July | 20°C | 13°C | 62 mm | 10 | – | – | 7.5 |
| August | 20°C | 13°C | 64 mm | 12 | – | – | 7.2 |
| September | 15°C | 9°C | 50 mm | 9 | – | – | 6.8 |
| October | 9°C | 5°C | 50 mm | 10 | – | – | 5.8 |
| November | 5°C | 1°C | 49 mm | 11 | – | – | 4.8 |
| December | 2°C | -2°C | 46 mm | 11 | – | – | 4.2 |
Frequently asked questions
How hot is Norrtälje in May?
Daytime highs average 13°C and nights about 5°C.
When is the best time to visit Norrtälje?
The best months are July, August, June.