Climate averages 1991–2020

Luleå weather
in August.

A mild, moderately wet month: the 2nd warmest and the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 16.9°C Daytime mean, August
Average low 12.7°C Night-time mean, August
Rainfall 62 mm 10 days with ≥1 mm
Daylight 17 h Sunrise to sunset, per day
Every month in Luleå · average highYear overview

August is a mild month in Luleå: daytime highs average 16.9°C and nights cool to about 12.7°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 62 mm of rain on roughly 10 days, which makes August a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 16 h 47 min on an average August day.

The nearest other city in this atlas is Oulu (167 km away). In August its highs average 17.6°C, 0.7°C warmer than Luleå, with 71 mm of rain.

Among the 21 cities listed in Sweden, Luleå ranks 21st of 21 for the warmest August highs and 1st of 21 for the driest August (rainfall, lowest first). The mean August high of those 21 cities is 20.0°C; Luleå is 3.1°C cooler than that mean.

From August to September, average highs fall by 4.8°C to 12.1°C, and monthly rainfall falls from 62 mm to 59 mm.

The annual picture

August in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -15-10-50510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages 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

1991–2020
Monthly climate averages for Luleå, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -4.9°C-9.6°C-9.6°C418.94.85 h
February -5.9°C-10.5°C-10.5°C317.58.28 h
March -2.0°C-7.1°C-7.1°C307.111.712 h
April 2.8°C-3.0°C-3.0°C306.415.215 h
May 9.0°C3.1°C3.1°C387.619.019 h
June 14.2°C9.0°C9.0°C538.322.422 h
July 18.1°C13.5°C13.5°C609.920.721 h
August, selected 16.9°C12.7°C12.7°C6210.116.817 h
September 12.1°C8.2°C8.2°C599.313.213 h
October 5.2°C2.1°C2.1°C569.69.710 h
November 0.6°C-2.8°C-2.8°C5611.46.16 h
December -2.4°C-6.6°C-6.6°C5111.33.54 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

August in nearby cities

Distance from Luleå

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 limits

How 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.