Trollhättan weather in October

In October, Trollhättan sees average daytime highs of 11°C and overnight lows near 5°C, with 77 mm of precipitation across 12.8 wet days and about 9.9 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 8°C by the end. The sky is clear or mostly clear about 21% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of October to 8 h 42 min by month's end. Set against the rest of the year, October is Trollhättan's 8th-clearest and 5th-windiest month. For the whole year in context, see Trollhättan's year-round climate.

Daytime high
11°
6th warmest
Overnight low
7th coldest
Precipitation
77 mm
12.8 wet days
Daylight
9 h 54 min
6:59 AM – 4:53 PM
Cloud cover
70%
8th clearest
Wind
14 km/h
5th windiest
Solar energy
1.3 kWh/m²
Travel score
2.3
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 13°C in the first days to 8°C by the end.

A typical October day in Trollhättan reaches about 11°C in the afternoon and slips back to 5°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 14°C. Set against its neighbours, October runs about 5°C cooler than September and about 5°C warmer than November.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1137
2137
3137
4137
5136
6126
7126
8126
9126
10126
11115
12115
13115
14115
15115
16105
17105
18104
19104
20104
2194
2294
2394
2494
2594
2694
2794
2884
2983
3083
3183

How October really feels in Trollhättan

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 3 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
3
wind chill below the day's low

The story in October is cold — wind chill drags the overnight "feels like" below the raw low.

Trollhättan weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 4th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43565
53664
63664
73664
83664
93565
103565
113565
123466
133466
143367
153268
163268
173268
183268
193169
203169
213169
223070
232971
242971
252971
262971
272971
282971
292971
302872
312872

Chance of precipitation in October

Any precipitationSnow

Trollhättan gets around 77 mm of rain and snow over 12.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 45% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1380
2380
3390
4390
5390
6380
7380
8380
9371
10371
11371
12371
13381
14381
15382
16392
17402
18402
19412
20422
21432
22442
23452
24452
25452
26452
27453
28453
29453
30443
31443

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1973
2973
3973
4982
5982
6982
7991
8991
9991
10991
11991
12991
13991
14991
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in October

Winds average 14 km/h in October.

Across October, daily wind ranges from about 13 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 12 min at the start of October to 8 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 150 minutes over October. Sunrise moves from 6:24 AM to 7:35 AM, and sunset from 5:36 PM to 4:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:245:36
211.16:265:33
311.06:295:30
410.96:315:27
510.86:335:24
610.86:355:21
710.76:385:18
810.66:405:15
910.56:425:13
1010.46:455:10
1110.36:475:07
1210.26:495:04
1310.26:525:01
1410.16:544:59
1510.06:564:56
169.96:594:53
179.87:014:50
189.77:034:48
199.77:064:45
209.67:084:42
219.57:114:40
229.47:134:37
239.37:154:34
249.27:184:32
259.17:204:29
269.17:234:27
279.07:254:24
288.97:274:22
298.87:304:19
308.77:324:17
318.77:354:14

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 1.3 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 — October's 1.3 kWh/m² falls in the middle.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.9Dim
41.8Dim
51.8Dim
61.7Dim
71.7Dim
81.6Dim
91.6Dim
101.6Dim
111.5Dim
121.5Dim
131.4Dim
141.4Dim
151.3Dim
161.3Dim
171.3Dim
181.2Dim
191.2Dim
201.1Dim
211.1Dim
221.1Dim
231.0Dim
241.0Dim
251.0Dim
260.9Dim
270.9Dim
280.9Dim
290.9Dim
300.8Dim
310.8Dim
Planning a trip in October

Is October a good time to visit Trollhättan?

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

2.3
Sightseeing
7th-best month of the year
0.0
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Trollhättan.

What to pack for Trollhättan in October

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

In October, Trollhättan sees daytime highs around 11°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Trollhättan in October

The nearest coast averages about 12°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 1. 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
October 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).