Climate averages 1991–2020
Luleå weather
in May.
A cool, fairly dry month: the 5th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a cool month in Luleå: daytime highs average 9.0°C and nights cool to about 3.1°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 38 mm of rain on roughly 8 days, which makes May a fairly dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 18 h 59 min on an average May day.
The nearest other city in this atlas is Oulu (167 km away). In May its highs average 10.9°C, 1.8°C warmer than Luleå, with 48 mm of rain.
Among the 21 cities listed in Sweden, Luleå ranks 21st of 21 for the warmest May highs and 1st of 21 for the driest May (rainfall, lowest first). The mean May high of those 21 cities is 14.6°C; Luleå is 5.6°C cooler than that mean.
From May to June, average highs rise by 5.2°C to 14.2°C, and monthly rainfall rises from 38 mm to 53 mm.
The annual picture
May in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Luleå climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -4.9°C-9.6°C | -9.6°C | 41 | 8.9 | 4.85 h |
| February | -5.9°C-10.5°C | -10.5°C | 31 | 7.5 | 8.28 h |
| March | -2.0°C-7.1°C | -7.1°C | 30 | 7.1 | 11.712 h |
| April | 2.8°C-3.0°C | -3.0°C | 30 | 6.4 | 15.215 h |
| May, selected | 9.0°C3.1°C | 3.1°C | 38 | 7.6 | 19.019 h |
| June | 14.2°C9.0°C | 9.0°C | 53 | 8.3 | 22.422 h |
| July | 18.1°C13.5°C | 13.5°C | 60 | 9.9 | 20.721 h |
| August | 16.9°C12.7°C | 12.7°C | 62 | 10.1 | 16.817 h |
| September | 12.1°C8.2°C | 8.2°C | 59 | 9.3 | 13.213 h |
| October | 5.2°C2.1°C | 2.1°C | 56 | 9.6 | 9.710 h |
| November | 0.6°C-2.8°C | -2.8°C | 56 | 11.4 | 6.16 h |
| December | -2.4°C-6.6°C | -6.6°C | 51 | 11.3 | 3.54 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Oulu in MayFinland · 167 kmHigh 10.9°C · Low 3.8°C · 48 mm rain
- Umeå in MaySweden · 215 kmHigh 10.5°C · Low 4.2°C · 42 mm rain
- Kuopio in MayFinland · 401 kmHigh 12.1°C · Low 4.4°C · 53 mm rain
- Jyväskylä in MayFinland · 410 kmHigh 13.5°C · Low 5.1°C · 48 mm rain
- Pori in MayFinland · 457 kmHigh 12.5°C · Low 5.6°C · 39 mm rain
- Tampere in MayFinland · 461 kmHigh 13.2°C · Low 5.2°C · 45 mm rain
- Joensuu in MayFinland · 496 kmHigh 11.2°C · Low 4.4°C · 49 mm rain
- Lahti in MayFinland · 541 kmHigh 14.5°C · Low 5.6°C · 48 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Luleå) is explained once on the Luleå year overview and on the Sources, method and limits page.