Trollhättan in Spring
In spring (March, April and May), Trollhättan sees average daytime highs around 10°C and overnight lows near 3°C, with 154 mm of precipitation over about 30 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs climb from about 3°C in early March to 17°C by late May. The sky is clear or mostly clear about 27% of the time across spring, and the air most often feels dry.
Spring is Trollhättan's 2nd-best season to visit on our travel score. For the whole year in context, see Trollhättan's year-round climate.
- Avg daytime high
- 10°C
- 3rd-warmest season
- Avg overnight low
- 3°C
- Precipitation
- 154 mm
- 30 wet days
- Avg wind
- 13 km/h
- Travel score
- 2.5
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Trollhättan in Spring
Over the season highs climb from about 3°C in early March to 17°C by late May.
A typical spring day in Trollhättan reaches about 10°C and drops to 3°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Trollhättan
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 52 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Trollhättan weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 2° / -3° | 60 | 11.2 | 5.7 | 6.8 | 0.0 |
| Feb | 2° / -3° | 46 | 9.3 | 5.6 | 8.9 | 0.0 |
| Mar | 5° / -1° | 43 | 8.9 | 3.9 | 11.4 | 0.4 |
| Apr | 11° / 2° | 49 | 9.4 | 1.1 | 14 | 2.6 |
| May | 15° / 7° | 62 | 11.3 | 0.1 | 16.4 | 4.6 |
| Jun | 19° / 10° | 86 | 13.1 | 0 | 17.8 | 5.5 |
| Jul | 21° / 13° | 84 | 12.4 | 0 | 17.2 | 6.1 |
| Aug | 20° / 12° | 90 | 13.7 | 0 | 15.1 | 5.8 |
| Sep | 16° / 9° | 75 | 11.6 | 0 | 12.5 | 4.7 |
| Oct | 11° / 5° | 77 | 12.8 | 0.5 | 9.9 | 2.3 |
| Nov | 6° / 2° | 61 | 12 | 2.3 | 7.5 | 0.4 |
| Dec | 3° / -1° | 65 | 11.8 | 4.7 | 6.2 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 27% of the time across spring.
Chance of precipitation in Spring
Trollhättan gets around 154 mm of rain and snow over 30 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 13 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 06 min in early March to 17 h 18 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 3.9 kWh/m².
Is spring a good time to visit Trollhättan?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Trollhättan.
What to pack for Trollhättan in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Trollhättan sees daytime highs around 10°C and nights near 3°C. Pack a warm layer. Worth having: a heavy coat, rain gear and sun protection. About 30 days see rain.
Sea temperature near Trollhättan in Spring
The nearest coast averages about 7°C across spring — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 4 | 3 | 3 | 6 | 11 | 15 | 17 | 18 | 15 | 12 | 9 | 6 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 4 | Bracing |
| Feb | 3 | Bracing |
| Mar | 3 | Bracing |
| Apr | 6 | Bracing |
| May | 11 | Bracing |
| Jun | 15 | Bracing |
| Jul | 17 | Cool |
| Aug | 18 | Cool |
| Sep | 15 | Cool |
| Oct | 12 | Bracing |
| Nov | 9 | Bracing |
| Dec | 6 | Bracing |
UV index in Trollhättan in Spring
Clear-sky midday UV across spring averages around 3 — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 1 | 2 | 3 | 5 | 5 | 5 | 4 | 3 | 1 | 1 | 0 |
| Level | Low | Low | Low | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 1 | Low |
| Mar | 2 | Low |
| Apr | 3 | Moderate |
| May | 5 | Moderate |
| Jun | 5 | Moderate |
| Jul | 5 | Moderate |
| Aug | 4 | Moderate |
| Sep | 3 | Moderate |
| Oct | 1 | Low |
| Nov | 1 | Low |
| Dec | 0 | Low |
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.
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
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.