AI-generatedTrollhättan at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 22°
- Sunshine a year
- 1,770 h
- Rain a year
- 818 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 49 m
Climate in Trollhättan
Trollhättan has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 22 °C, while January is the coolest at 2 °C. With around 1,770 hours of sunshine a year, Trollhättan is moderately sunny; May is the sunniest month with 8.3 hours a day.
Holiday weather through the year
Best time to visit Trollhättan
The best time to visit Trollhättan is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in September. Rain is frequent from October to November; the wettest month is July with 96 mm.
Trollhättan through the seasons
How the weather changes over the seasons, with averages for each.
Trollhättan in spring
Mar – May
Fair
- 6–17 °C by day
- 6.6 h of sun a day
- 30 rainy days in all
Trollhättan in summer
Jun – Aug
Good
- 20–22 °C by day
- 7.8 h of sun a day
- 41 rainy days in all
Trollhättan in autumn
Sep – Nov
Poor
- 6–17 °C by day
- 3.3 h of sun a day
- 37 rainy days in all
Trollhättan in winter
Dec – Feb
Poor
- 2–3 °C by day
- 1.7 h of sun a day
- 33 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Sep
15–28 °C and not too much rain
Rainy months
Oct – Nov
Rainy season or more than 12 rainy days
Snow
Dec – Mar
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Trollhättan for you.
Your best months: July – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Poor
Best time to visit: May – September
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 5°
- Midday, 13:00: about 11°
- Afternoon, 16:00: about 11°
- Evening, 20:00: about 8°
- Night, 23:00: about 7°
07:4418:09
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:19–08:39 · evening 17:13–18:34
- Blue hour
- Morning 07:04–07:19 · evening 18:34–18:49
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Trollhättan compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 14° at the start of the month to 9° at the end. The days get 2.5 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 14° | 9° |
| Night-time low | 6° | 3° |
| Daylight | 11.6 h | 9.1 h |
What is the weather like in Trollhättan in October?
In October, Trollhättan is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 3.2 hours a day. Rain is frequent, with about 13 rainy days and 79 mm in total. All in all, October is not an ideal month for a holiday in Trollhättan.
More details for October
- Daylight
- 10 h 25 min07:44 – 18:09
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 70 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2offset from UTC
How the score comes together
- Temperatureweight 50 %32 %
- Sunshineweight 20 %3 %
- Few rainy daysweight 30 %35 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Trollhättan
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Trollhättan: score 78 against 27. In June, days are 9 °C warmer than in October. The sun shines 5 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Holiday weather score | 27 | 78better |
| Daytime high | 11° | 20° |
| Night-time low | 4° | 10° |
| Sunshine | 3.2 h | 8.3 hbetter |
| Rainy days | 13 | 13 |
| Rainfall | 79 mm | 85 mm |
Based on the climate averages 1996–2025.
Trollhättan month by month
The typical weather for every month at a glance.
15January2° · 1.5 h
In January, Trollhättan is bitterly cold: daytime highs average 2 °C, and nights often drop below freezing (−3 °C). The sun is scarce, with only about 1.5 hours a day. Precipitation falls on about 11 days, totalling 61 mm; on about 5 of them it snows. All in all, January is not an ideal month for a holiday in Trollhättan.
Trollhättan in January18February2° · 2.4 h
In February, Trollhättan is bitterly cold: daytime highs average 2 °C, and nights often drop below freezing (−3 °C). The sun is scarce, with only about 2.4 hours a day. Precipitation falls on about 10 days, totalling 50 mm; on about 5 of them it snows. All in all, February is not an ideal month for a holiday in Trollhättan.
Trollhättan in February26March6° · 4.8 h
In March, Trollhättan is cold: daytime highs average 6 °C, and nights often drop below freezing (−2 °C). Expect around 4.8 hours of sunshine a day. Rain falls on about 9 days, adding up to 42 mm. Snow falls on about 3 days. All in all, March is not an ideal month for a holiday in Trollhättan.
Trollhättan in March48April11° · 6.7 h
In April, Trollhättan is cool: daytime highs average 11 °C, and nights cool down to about 2 °C. The sun shines for around 6.7 hours a day. Rain is frequent, with about 9 rainy days and 49 mm in total. All in all, April is a so-so month for a holiday in Trollhättan.
Trollhättan in April73May17° · 8.3 h
In May, Trollhättan is mild: daytime highs average 17 °C, and nights cool down to about 6 °C. The sun shines for around 8.3 hours a day. Rain is frequent, with about 12 rainy days and 68 mm in total. All in all, May is a good month for a holiday in Trollhättan.
Trollhättan in May78June20° · 8.3 h
In June, Trollhättan is mild: daytime highs average 20 °C, and nights cool down to about 10 °C. The sun shines for around 8.3 hours a day. Rain is frequent, with about 13 rainy days and 85 mm in total. All in all, June is a good month for a holiday in Trollhättan.
Trollhättan in June77July22° · 8.2 h
In July, Trollhättan is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. The sun shines for around 8.2 hours a day. Rain is frequent, with about 13 rainy days and 96 mm in total. All in all, July is a good month for a holiday in Trollhättan.
Trollhättan in July71August21° · 6.9 h
In August, Trollhättan is warm: daytime highs average 21 °C, and nights cool down to about 12 °C. The sun shines for around 6.9 hours a day. It rains often – on about 14 days, adding up to 92 mm. All in all, August is a good month for a holiday in Trollhättan.
Trollhättan in August66September17° · 5.2 h
In September, Trollhättan is mild: daytime highs average 17 °C, and nights cool down to about 8 °C. Expect around 5.2 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 71 mm in total. All in all, September is a good month for a holiday in Trollhättan.
Trollhättan in September27October11° · 3.2 h
In October, Trollhättan is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 3.2 hours a day. Rain is frequent, with about 13 rainy days and 79 mm in total. All in all, October is not an ideal month for a holiday in Trollhättan.
Trollhättan in October12November6° · 1.5 h
In November, Trollhättan is cold: daytime highs average 6 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 1.5 hours a day. Rain is frequent, with about 12 rainy days and 60 mm in total. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Trollhättan.
Trollhättan in November13December3° · 1.1 h
In December, Trollhättan is cold: daytime highs average 3 °C, and nights often drop below freezing (−2 °C). The sun is scarce, with only about 1.1 hours a day. Precipitation falls on about 12 days, totalling 66 mm; on about 4 of them it snows. All in all, December is not an ideal month for a holiday in Trollhättan.
Trollhättan in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Trollhättan
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
ColdOctober: nights around 4°. The room should be heated.
The coolest nights are in February (−3°), the warmest in July (12°). Nights fall below 8 °C on average from October to May, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 15 | 2° | −3° | 1.5 h | 11 | 61 |
| FebruaryFeb | 18 | 2° | −3° | 2.4 h | 10 | 50 |
| MarchMar | 26 | 6° | −2° | 4.8 h | 9 | 42 |
| AprilApr | 48 | 11° | 2° | 6.7 h | 9 | 49 |
| MayMay | 73 | 17° | 6° | 8.3 h | 12 | 68 |
| JuneJun | 78 | 20° | 10° | 8.3 h | 13 | 85 |
| JulyJul | 77 | 22° | 12° | 8.2 h | 13 | 96 |
| AugustAug | 71 | 21° | 12° | 6.9 h | 14 | 92 |
| SeptemberSep | 66 | 17° | 8° | 5.2 h | 12 | 71 |
| OctoberOct | 27 | 11° | 4° | 3.2 h | 13 | 79 |
| NovemberNov | 12 | 6° | 1° | 1.5 h | 12 | 60 |
| DecemberDec | 13 | 3° | −2° | 1.1 h | 12 | 66 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
58.28° N, 12.29° E · 49 m · Europe/Stockholm
Sunshine
Sunshine hours in Trollhättan
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 3.2 of 10.4 hours of daylight in Trollhättan, 31 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Trollhättan: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Trollhättan has about 13 rainy days with 79 mm of rain in total.
UV index
UV index in Trollhättan
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 1 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 6).
Minutes until sunburn in October
- Very fair skin
- over 2 h
- Fair skin
- over 2 h
- Light brown skin
- over 2 h
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Trollhättan
How breezy and how cloudy Trollhättan is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Trollhättan typically peaks at 19 km/h during the day: Beaufort 3, gentle breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 70 % of the sky over Trollhättan: mostly cloudy, with about 3.2 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Snow
Snow in Trollhättan
Snow is possible in Trollhättan, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Trollhättan.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Trollhättan
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Trollhättan in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Trollhättan has its best school-holiday weather during May half-term (score 74) and its weakest during the Christmas holidays (score 14).
- 41
Easter holidays
Mar – Apr
Fair
- 10 °C by day
- 6.1 h of sun a day
- 9 rainy days a month
Keep in mind: Snow
- 74
May half-term
May – Jun
GoodBest holidays
- 17 °C by day
- 8.3 h of sun a day
- 12 rainy days a month
- 73
Summer holidays
Jul – Aug
Good
- 22 °C by day
- 7.4 h of sun a day
- 14 rainy days a month
- 27
October half-term
Oct
Poor
- 11 °C by day
- 3.2 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 14
Christmas holidays
Dec – Jan
Poor
- 3 °C by day
- 1.3 h of sun a day
- 12 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 1 h 50 min
- Distance
- 1,110 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Sweden
- Currency
- Swedish Krona (SEK)
- Language
- Swedish
- Sockets
- Type C, F · 230 V
- Traffic
- Drives on the right
- Dialling code
- +46
- Emergency number
- 112
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Trollhättan compared
Put Trollhättan side by side with another destination.
Trollhättan vs Vänersborg
In October the holiday weather in Trollhättan and Vänersborg is about equally good (score 27 vs 29). During the day it is about as warm in Vänersborg as in Trollhättan.
| in October | Trollhättan | Vänersborg |
|---|---|---|
| Holiday weather score | 27 | 29 |
| Daytime high | 11° | 11° |
| Sunshine | 3 h | 3 h |
| Rainy days | 13 | 12 |
| Best time | May – Sep | May – Sep |
Through the year
Best places in the country
Sweden in October: the best places
In October, Trollhättan ranks 8 among the 31 nearest destinations in this country.
- Linköping11°30
- 2Vänersborg11°29
- 3Gothenburg12°12°29
- 4Ljungby11°29
- 5Kumla11°29
- 6Vadstena11°28
- 7Värnamo11°28
- 8TrollhättanThis page11°27
Places nearby
Near Trollhättan
Other destinations close by.
Places with a similar climate
Places with a climate like Trollhättan
Destinations whose weather through the year is closest to Trollhättan's – good alternatives.
Frequently asked questions about Trollhättan
When is the best time to visit Trollhättan?
The best time to visit Trollhättan is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Trollhättan?
July is the warmest month, with average highs of 22 °C and nights around 12 °C. January is the coolest month at 2 °C.
When does it rain most in Trollhättan?
Rain is frequent from October to November; the wettest month is July with 96 mm. The driest month is March with 42 mm.
How many hours of sunshine does Trollhättan get?
Trollhättan gets around 1,770 hours of sunshine a year. The sunniest month is May with 8.3 hours a day; in December there are 1.1 hours a day.
What time zone is Trollhättan in?
Trollhättan is on UTC+1 in January and UTC+2 in July.
How long is the flight from London to Trollhättan?
A nonstop flight from London to Trollhättan takes about 1 h 50 min, for a straight-line distance of about 1,110 km.
Which school holidays are best for Trollhättan?
Trollhättan has its best school-holiday weather during May half-term (score 74) and its weakest during the Christmas holidays (score 14). Holiday ratings (0–100): Easter holidays 41, May half-term 74, summer holidays 73, October half-term 27, Christmas holidays 14.