Sun, sea & sand

Luleå weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

35

Holiday weather in May

Poor

Best time to visit: April – July

What is the weather like in Luleå in May?

In May, Luleå is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sea averages 3.4 °C – swimming is only for the hardy. With around 9 hours of sunshine a day, there is plenty of sun. Rain falls on about 8 days, adding up to 37 mm. All in all, May is not an ideal month for a holiday in Luleå.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score303533
Day3°9°15°
Night−3°3°10°
Sea0°3°11°
Sun7 h9 h10 h
Rain days789

More details for May

Daylight
18 h 51 min03:02 – 21:53
UV index
4 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
20 km/haverage daily peakAll months
Cloud cover
60 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+2Europe/Stockholm

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %74 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Sunscreen
  • Sunglasses & sun hat
  • Warm jacket

Luleå in May: quick answers

Is Luleå hot in May?

No. In May, Luleå is cold: daytime highs average 9 °C and nights drop to about 3 °C.

Can you swim in Luleå in May?

Only if you don't mind cold water: in May the sea averages just 3.4 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Luleå in May?

Rain falls on about 8 days, adding up to 37 mm.

Luleå month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences