Luleå weather in August

In August, Luleå sees average daytime highs of 16°C and overnight lows near 13°C, with 62 mm of rain across 10.1 wet days and about 16.4 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 15°C by the end. The sky is clear or mostly clear about 22% of the time in August, and the air most often feels dry.

Daylight stretches from about 18 h 12 min at the start of August to 14 h 36 min by month's end. Set against the rest of the year, August is Luleå's 5th-clearest and 8th-windiest month. For the whole year in context, see Luleå's year-round climate.

Daytime high
16°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
62 mm
10.1 wet days
Daylight
16 h 24 min
3:24 AM – 7:47 PM
Cloud cover
65%
5th clearest
Wind
17 km/h
8th windiest
Solar energy
3.95 kWh/m²
Travel score
5.1
out of 10

Luleå is urban area in Luleå Municipality, Sweden.

Air quality
Excellent
PM10 14 µg/m³ · 2019
Founded
1650

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 18°C in the first days to 15°C by the end.

A typical August day in Luleå reaches about 16°C in the afternoon and slips back to 13°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 19°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11814
21814
31814
41814
51814
61814
71714
81714
91714
101713
111713
121713
131713
141713
151713
161713
171613
181613
191613
201612
211612
221612
231612
241612
251512
261512
271512
281511
291511
301511
311511

How August really feels in Luleå

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Luleå weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-5° / -9°418.99.84.20.0
Feb-6° / -10°307.48.37.60.0
Mar-2° / -7°307.17.811.10.0
Apr / -3°306.44.714.80.0
May / 387.60.718.41.2
Jun13° / 538.3021.33.5
Jul17° / 13°609.90205.5
Aug16° / 13°6210.1016.45.1
Sep12° / 599.3012.73.1
Oct / 569.61.89.10.6
Nov / -2°5611.46.85.50.0
Dec-2° / -6°5111.39.82.70.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24555
34456
44456
54258
64258
74159
84159
94159
104159
114159
124159
134159
144060
154060
164060
174060
184060
194060
204060
213961
223961
233961
243961
253961
263961
273862
283862
293862
303763
313763

Chance of precipitation in August

Any precipitation

Luleå gets around 62 mm of rain over 10.1 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
129
229
329
429
529
629
729
830
930
1031
1131
1232
1333
1433
1534
1634
1735
1835
1935
2036
2136
2236
2336
2435
2535
2634
2734
2833
2933
3032
3132

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15237101
25237101
3543691
4553591
5563491
6583381
7593281
8623170
9633070
10642970
11662860
12662860
13682750
14682750
15702640
16702640
17722530
18722530
19742420
20752320
21762220
22772210
23782110
24792010
25801910
26821710
27831610
28841510
29861310
30881200
31891100

Wind in August

Winds average 17 km/h in August.

Across August, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 18 h 12 min at the start of August to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 216 minutes over August. Sunrise moves from 2:31 AM to 4:14 AM, and sunset from 8:43 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
118.22:318:43
218.12:358:40
318.02:398:36
417.82:428:32
517.72:468:29
617.62:498:25
717.52:538:21
817.42:568:18
917.23:008:14
1017.13:038:10
1117.03:078:06
1216.93:108:02
1316.83:137:59
1416.63:177:55
1516.53:207:51
1616.43:247:47
1716.33:277:43
1816.13:317:39
1916.03:347:36
2015.93:377:32
2115.83:417:28
2215.73:447:24
2315.53:477:20
2415.43:517:16
2515.33:547:12
2615.23:577:09
2715.14:017:05
2814.94:047:01
2914.84:076:57
3014.74:116:53
3114.64:146:49

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.95 kWh/m².

For context, solar energy here swings from a low near 0.02 kWh/m² to a high of 5.93 kWh/m² in June across the year — August's 3.95 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.7Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.4Bright
104.3Bright
114.3Bright
124.2Bright
134.1Bright
144.0Bright
154.0Moderate
163.9Moderate
173.9Moderate
183.8Moderate
193.7Moderate
203.7Moderate
213.6Moderate
223.5Moderate
233.5Moderate
243.4Moderate
253.4Moderate
263.3Moderate
273.3Moderate
283.2Moderate
293.2Moderate
303.1Moderate
313.0Moderate
Planning a trip in August

Is August a good time to visit Luleå?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.1
Sightseeing
2nd-best month of the year
0.9
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Luleå for sightseeing.

What to pack for Luleå in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Luleå sees daytime highs around 16°C and nights near 13°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Luleå in August

The nearest coast averages about 15°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 15°C and coldest in February near -0°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan0Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May4Bracing
Jun10Bracing
Jul15Bracing
Aug15Cool
Sep12Bracing
Oct8Bracing
Nov4Bracing
Dec2Bracing

UV index in Luleå in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Luleå peaks around July 14 at about 4 (moderate) — a little sun protection helps at midday. It bottoms out near December 17 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJul 14UV 4Dec 17UV 0
UV index (midday)Level
Jan0Low
Feb0Low
Mar1Low
Apr3Moderate
May4Moderate
Jun4Moderate
Jul5Moderate
Aug3Moderate
Sep2Low
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Luleå?

Luleå sits at 65.6°N, 22.2°E, 17 m above sea level, in Sweden. The nearest listed city is Boden, 34 km away.

TornioSkellefteåKemiRaaheHaukipudasOulu

Topography around Luleå

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Luleå.

Within 3 km, the terrain around Luleå has only modest variations in elevation — a maximum elevation change of 69 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 140 m; within 80 km, significant variations in elevation — a maximum elevation change of 426 m.

The land around Luleå is covered by water (39%), trees (34%) and artificial surfaces (21%) within 3 km, trees (46%) and water (40%) within 16 km, and trees (55%) and water (38%) within 80 km.

3 km
69 m
16 km
140 m
80 km
426 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Boden 34 km · Piteå 43 km · Tornio 96 km · Skellefteå 108 km · Kemi 112 km · Raahe 148 km · Haukipudas 155 km · Oulu 167 km

Sweden travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 87% of US
price level, 2025
GDP per capita
$63,133
2025
Happiness
7.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
3.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 609
Religion
Church of Sweden 54%none or unspecified 37%other 9%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Luleå (65.5841°, 22.1547°, elevation 17 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).