Sundsvall weather in July

In July, Sundsvall sees average daytime highs of 20°C and overnight lows near 11°C, with 73 mm of rain across 12.1 wet days and about 18.5 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 18% of the time in July, and the air most often feels dry.

Daylight stretches from about 19 h 18 min at the start of July to 17 h 18 min by month's end. Set against the rest of the year, July is Sundsvall's 3rd-clearest and 12th-windiest month. For the whole year in context, see Sundsvall's year-round climate.

Daytime high
20°
1st warmest
Overnight low
11°
12th coldest
Rainfall
73 mm
12.1 wet days
Daylight
18 h 30 min
2:40 AM – 9:13 PM
Cloud cover
66%
3rd clearest
Wind
10 km/h
12th windiest
Solar energy
5.06 kWh/m²
Travel score
5.9
out of 10

Sundsvall is urban area in Sundsvall Municipality, Sweden.

Air quality
Good
PM2.5 5.8 µg/m³ · 2019
Founded
1621

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical July day in Sundsvall reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, July runs about 3°C warmer than June and about 1°C warmer than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11910
21910
31910
42010
52010
62010
72010
82010
92011
102011
112011
122011
132011
142011
152011
162011
172011
182011
192011
202011
212111
222111
232111
242111
252111
262112
272112
282112
292112
302111
312111

How July really feels in Sundsvall

Once humidity and wind are folded in, July 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

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

Sundsvall weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -9°489.89.65.60.0
Feb-2° / -9°347.88.48.30.0
Mar / -6°357.3711.30.0
Apr / -1°377.94.314.41.2
May13° / 449.80.617.33.6
Jun17° / 5810.6019.25.4
Jul20° / 11°7312.1018.55.9
Aug19° / 10°7511.7015.75.7
Sep14° / 559.6012.64.0
Oct / 6310.21.99.51.0
Nov / -3°5310.66.56.60.0
Dec-1° / -7°5010.58.94.70.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43763
53763
63664
73664
83664
93565
103565
113565
123565
133565
143466
153565
163565
173565
183664
193664
203664
213664
223664
233763
243763
253763
263763
273763
283862
293862
303862
313862

Chance of precipitation in July

Any precipitation

Sundsvall gets around 73 mm of rain over 12.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
536
636
737
837
938
1038
1138
1239
1339
1440
1540
1641
1741
1841
1941
2041
2141
2240
2340
2440
2540
2639
2739
2839
2939
3038
3138

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
192710
291810
391810
490910
5881020
6871120
7861220
8851320
9841420
10831520
11821620
12811720
13791920
14772030
15762130
16742330
17722440
18712540
19702640
20672850
21662950
22662950
23653050
24633151
25633151
26623161
27623161
28623161
29623161
30623161
31623161

Wind in July

Winds average 10 km/h in July, the calmest month.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 19 h 18 min at the start of July to 17 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over July. Sunrise moves from 2:14 AM to 3:18 AM, and sunset from 9:34 PM to 8:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
119.32:149:34
219.32:159:33
319.32:179:32
419.22:189:31
519.22:199:30
619.12:219:29
719.12:239:28
819.02:249:26
919.02:269:25
1018.92:289:23
1118.92:309:22
1218.82:329:20
1318.72:349:18
1418.72:369:16
1518.62:389:15
1618.52:409:13
1718.52:439:10
1818.42:459:08
1918.32:479:06
2018.22:509:04
2118.22:529:02
2218.12:558:59
2318.02:578:57
2417.93:008:54
2517.83:028:52
2617.73:058:49
2717.73:078:47
2817.63:108:44
2917.53:138:41
3017.43:158:39
3117.33:188:36

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.06 kWh/m².

For context, solar energy here swings from a low near 0.1 kWh/m² to a high of 5.57 kWh/m² in June across the year — July's 5.06 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.4Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.6Bright
314.6Bright
Planning a trip in July

Is July a good time to visit Sundsvall?

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

5.9
Sightseeing
1st-best month of the year
3.2
Beach & pool
1st-best month of the year

July is a reasonable time to visit Sundsvall for sightseeing.

What to pack for Sundsvall in July

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

In July, Sundsvall sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Sundsvall in July

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

The sea at the nearest coast (about 17 km away) is warmest in August at about 16°C and coldest in February 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
May6Bracing
Jun10Bracing
Jul15Cool
Aug16Cool
Sep13Bracing
Oct9Bracing
Nov5Bracing
Dec3Bracing

UV index in Sundsvall in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Sundsvall peaks around June 18 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJun 18UV 4Dec 17UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar1Low
Apr2Moderate
May4Moderate
Jun5Moderate
Jul4Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Sundsvall?

Sundsvall sits at 62.4°N, 17.3°E, 26 m above sea level, in Sweden. The nearest listed city is Härnösand, 42 km away.

ÖrnsköldsvikÖstersundGävleSandvikenFalunUmeå

Topography around Sundsvall

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

Within 3 km, the terrain around Sundsvall has only modest variations in elevation — a maximum elevation change of 241 m around an average of 70 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 343 m; within 80 km, significant variations in elevation — a maximum elevation change of 549 m.

The land around Sundsvall is covered by trees (54%) and artificial surfaces (29%) within 3 km, trees (61%) and water (23%) within 16 km, and trees (66%) and water (28%) within 80 km.

3 km
241 m
16 km
343 m
80 km
549 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Härnösand 42 km · Hudiksvall 75 km · Örnsköldsvik 123 km · Östersund 162 km · Gävle 191 km · Sandviken 199 km · Falun 218 km · Umeå 218 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 Sundsvall (62.3913°, 17.3063°, elevation 26 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).