Trollhättan weather in July

In July, Trollhättan sees average daytime highs of 21°C and overnight lows near 13°C, with 84 mm of rain across 12.4 wet days and about 17.2 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 26% of the time in July, and the air most often feels dry.

Daylight stretches from about 17 h 54 min at the start of July to 16 h 24 min by month's end. Set against the rest of the year, July is Trollhättan's 2nd-clearest and 12th-windiest month. For the whole year in context, see Trollhättan's year-round climate.

Daytime high
21°
1st warmest
Overnight low
13°
12th coldest
Rainfall
84 mm
12.4 wet days
Daylight
17 h 18 min
3:38 AM – 8:55 PM
Cloud cover
60%
2nd clearest
Wind
11 km/h
12th windiest
Solar energy
5.38 kWh/m²
Travel score
6.1
out of 10

Trollhättan is urban area in Trollhättan Municipality, Sweden.

Founded
1916

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 21°C through the month.

A typical July day in Trollhättan reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52012
62012
72012
82012
92012
102112
112112
122112
132112
142113
152113
162113
172113
182113
192113
202113
212113
222113
232113
242113
252113
262113
272113
282113
292113
302113
312113

How July really feels in Trollhättan

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.

Trollhättan weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°6011.25.76.80.0
Feb / -3°469.35.68.90.0
Mar / -1°438.93.911.40.4
Apr11° / 499.41.1142.6
May15° / 6211.30.116.44.6
Jun19° / 10°8613.1017.85.5
Jul21° / 13°8412.4017.26.1
Aug20° / 12°9013.7015.15.8
Sep16° / 7511.6012.54.7
Oct11° / 7712.80.59.92.3
Nov / 61122.37.50.4
Dec / -1°6511.84.76.20.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24753
34852
44852
54852
64852
74852
84852
94852
104852
114753
124753
134753
144753
154753
164654
174753
184753
194654
204654
214654
224753
234753
244654
254654
264654
274654
284654
294654
304654
314555

Chance of precipitation in July

Any precipitation

Trollhättan gets around 84 mm of rain over 12.4 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 40% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
342
442
542
642
741
841
941
1041
1140
1240
1340
1440
1540
1639
1739
1839
1939
2039
2139
2239
2339
2439
2539
2639
2740
2840
2940
3040
3141

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
171245
271245
370255
468266
568266
667276
766286
866286
965296
1063307
1163307
1262317
1361327
1460337
1559347
1657358
1757358
1856368
1954379
2053389
21513910
22513910
23494011
24484111
25474111
26474212
27464212
28464212
29454312
30454312
31454412

Wind in July

Winds average 11 km/h in July, the calmest month.

Across July, daily wind ranges from about 11 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
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 17 h 54 min at the start of July to 16 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over July. Sunrise moves from 3:19 AM to 4:06 AM, and sunset from 9:10 PM to 8:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
117.93:199:10
217.83:209:09
317.83:209:09
417.83:219:08
517.73:229:07
617.73:249:07
717.73:259:06
817.63:269:05
917.63:279:04
1017.63:299:03
1117.53:309:02
1217.53:319:01
1317.43:338:59
1417.43:348:58
1517.33:368:57
1617.33:388:55
1717.23:398:54
1817.23:418:52
1917.13:438:51
2017.13:458:49
2117.03:468:47
2217.03:488:46
2316.93:508:44
2416.83:528:42
2516.83:548:40
2616.73:568:38
2716.63:588:36
2816.64:008:34
2916.54:028:32
3016.44:048:30
3116.44:068:28

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.38 kWh/m².

For context, solar energy here swings from a low near 0.25 kWh/m² to a high of 5.72 kWh/m² in June across the year — July's 5.38 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in July

Is July a good time to visit Trollhättan?

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

6.1
Sightseeing
1st-best month of the year
3.6
Beach & pool
1st-best month of the year

July is a reasonable time to visit Trollhättan for sightseeing.

What to pack for Trollhättan in July

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

In July, Trollhättan sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Trollhättan in July

The nearest coast averages about 17°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 56 km away) is warmest in August at about 18°C and coldest in February near 3°C.

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

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr6Bracing
May11Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov9Bracing
Dec6Bracing

UV index in Trollhättan in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trollhättan peaks around June 17 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near December 20 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 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun5Moderate
Jul5Moderate
Aug4Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Trollhättan?

Trollhättan sits at 58.3°N, 12.3°E, 49 m above sea level, in Sweden. The nearest listed city is Vänersborg, 11 km away.

Topography around Trollhättan

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

Within 3 km, the terrain around Trollhättan has only modest variations in elevation — a maximum elevation change of 107 m around an average of 57 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 186 m; within 80 km, significant variations in elevation — a maximum elevation change of 343 m.

The land around Trollhättan is covered by trees (50%) and artificial surfaces (24%) within 3 km, trees (63%) within 16 km, and trees (50%) and water (28%) within 80 km.

3 km
107 m
16 km
186 m
80 km
343 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Vänersborg 11 km · Uddevalla 21 km · Alingsås 42 km · Kungälv 49 km · Lidköping 56 km · Lerum 57 km · Partille 61 km · Björlanda 63 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 Trollhättan (58.2837°, 12.2886°, elevation 49 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).