Härnösand weather in August

In August, Härnösand sees average daytime highs of 19°C and overnight lows near 11°C, with 71 mm of rain across 11.4 wet days and about 15.8 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 17°C by the end. The sky is clear or mostly clear about 21% of the time in August, and the air most often feels dry.

Daylight stretches from about 17 h 18 min at the start of August to 14 h 18 min by month's end. Set against the rest of the year, August is Härnösand's 6th-clearest and 10th-windiest month. For the whole year in context, see Härnösand's year-round climate.

Daytime high
19°
2nd warmest
Overnight low
11°
11th coldest
Rainfall
71 mm
11.4 wet days
Daylight
15 h 48 min
3:58 AM – 7:46 PM
Cloud cover
66%
6th clearest
Wind
13 km/h
10th windiest
Solar energy
4.04 kWh/m²
Travel score
5.7
out of 10

Härnösand is urban area in Härnösand Municipality, Sweden.

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 20°C in the first days to 17°C by the end.

A typical August day in Härnösand reaches about 19°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, August runs about 1°C cooler than July and about 5°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12013
22012
32012
42012
52012
62012
72012
82012
92012
101912
111912
121912
131912
141912
151911
161911
171911
181911
191811
201811
211811
221811
231811
241810
251710
261710
271710
281710
291710
301710
311710

How August really feels in Härnösand

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.

Härnösand 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-2° / -7°5310.510.65.60.0
Feb-2° / -7°378.78.58.20.0
Mar / -5°367.57.111.20.0
Apr / -1°3883.814.40.8
May12° / 418.90.417.43.0
Jun16° / 499.3019.45.1
Jul20° / 12°6510.9018.56.0
Aug19° / 11°7111.4015.85.7
Sep14° / 579.6012.63.9
Oct / 6710.61.29.51.1
Nov / -1°5810.95.56.50.0
Dec-0° / -5°5611.48.64.60.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44159
54060
64060
74060
84060
93961
103961
113961
123862
133961
143961
153862
163862
173862
183763
193763
203763
213763
223763
233763
243763
253664
263763
273763
283763
293862
303862
313862

Chance of precipitation in August

Any precipitation

Härnösand gets around 71 mm of rain over 11.4 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 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
435
535
635
735
835
935
1035
1135
1235
1335
1436
1536
1636
1736
1837
1937
2037
2138
2238
2338
2438
2538
2638
2738
2838
2937
3037
3136

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 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1583282
2583282
3593182
4603172
5623071
6632971
7642871
8662761
9672661
10682561
11692560
12712450
13712450
14722350
15732340
16742240
17752230
18752230
19762130
20762130
21772120
22772120
23772120
24772120
25782020
26791920
27801820
28811810
29821710
30831610
31841510

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 17 h 18 min at the start of August to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 180 minutes over August. Sunrise moves from 3:16 AM to 4:41 AM, and sunset from 8:32 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
117.33:168:32
217.23:198:29
317.13:228:27
417.03:258:24
516.93:278:21
616.83:308:18
716.73:338:15
816.63:368:11
916.53:398:08
1016.43:428:05
1116.33:448:02
1216.23:477:59
1316.13:507:56
1416.03:537:53
1515.93:567:49
1615.83:587:46
1715.74:017:43
1815.64:047:40
1915.54:077:36
2015.44:107:33
2115.34:137:30
2215.24:157:26
2315.14:187:23
2415.04:217:20
2514.94:247:16
2614.84:277:13
2714.74:297:10
2814.64:327:06
2914.54:357:03
3014.44:386:59
3114.34:416:56

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.04 kWh/m².

For context, solar energy here swings from a low near 0.09 kWh/m² to a high of 5.83 kWh/m² in June across the year — August's 4.04 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.8Moderate
223.7Moderate
233.7Moderate
243.6Moderate
253.5Moderate
263.5Moderate
273.4Moderate
283.4Moderate
293.3Moderate
303.3Moderate
313.2Moderate
Planning a trip in August

Is August a good time to visit Härnösand?

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

5.7
Sightseeing
2nd-best month of the year
2.3
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Härnösand for sightseeing.

What to pack for Härnösand in August

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

In August, Härnösand sees daytime highs around 19°C and nights near 11°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Härnösand in August

The nearest coast averages about 16°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 16°C and coldest in March near 1°C.

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

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan2Bracing
Feb1Bracing
Mar1Bracing
Apr2Bracing
May5Bracing
Jun10Bracing
Jul15Bracing
Aug16Cool
Sep13Bracing
Oct9Bracing
Nov6Bracing
Dec3Bracing

UV index in Härnösand in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Härnösand peaks around June 17 at about 4 (moderate) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJun 17UV 4Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar1Low
Apr2Moderate
May4Moderate
Jun4Moderate
Jul4Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Härnösand?

Härnösand sits at 62.6°N, 17.9°E, 25 m above sea level, in Sweden. The nearest listed city is Sundsvall, 42 km away.

HudiksvallUmeåÖstersundVaasaKorsholmGävle

Topography around Härnösand

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

Within 3 km, the terrain around Härnösand has only modest variations in elevation — a maximum elevation change of 173 m around an average of 42 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 265 m; within 80 km, significant variations in elevation — a maximum elevation change of 495 m.

The land around Härnösand is covered by trees (51%) and water (24%) within 3 km, trees (51%) and water (42%) within 16 km, and trees (60%) and water (35%) within 80 km.

3 km
173 m
16 km
265 m
80 km
495 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Sundsvall 42 km · Örnsköldsvik 83 km · Hudiksvall 109 km · Umeå 177 km · Östersund 178 km · Vaasa 193 km · Korsholm 197 km · Gävle 222 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 Härnösand (62.6323°, 17.9379°, elevation 25 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).