Trondheim weather in April

In April, Trondheim sees average daytime highs of 9°C and overnight lows near 1°C, with 67 mm of precipitation across 13.6 wet days and about 14.5 hours of daylight. It is the 6th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 7°C in the first days to 11°C by the end. The sky is clear or mostly clear about 14% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of April to 16 hours by month's end. Set against the rest of the year, April is Trondheim's 1st-clearest and 8th-windiest month. For the whole year in context, see Trondheim's year-round climate.

Daytime high
6th warmest
Overnight low
6th coldest
Precipitation
67 mm
13.6 wet days
Daylight
14 h 36 min
5:02 AM – 7:35 PM
Cloud cover
72%
1st clearest
Wind
8 km/h
8th windiest
Solar energy
3.53 kWh/m²
Travel score
1.6
out of 10

Trondheim is city in Trøndelag, Norway.

Air quality
Good
PM2.5 5.7 µg/m³ · 2019
Density
3,766/km²
people per km²
Founded
~997 CE

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 7°C in the first days to 11°C by the end.

A typical April day in Trondheim reaches about 9°C in the afternoon and slips back to 1°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 14°C. Set against its neighbours, April runs about 5°C warmer than March and about 4°C cooler than May.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
16-1
27-1
37-1
47-1
57-1
67-1
770
880
980
1080
1180
1280
1380
1491
1591
1691
1791
18101
19101
20102
21102
22102
23112
24112
25112
26113
27113
28113
29113
30113

How April really feels in Trondheim

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 25 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
25
wind chill below the day's low

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

Trondheim weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°9615.912.75.20.0
Feb / -5°8414.211.98.10.0
Mar / -3°8815.410.811.20.1
Apr / 6713.65.414.51.6
May13° / 7015.61.417.73.2
Jun16° / 9515.6019.84.3
Jul19° / 11°8514.8018.95.3
Aug19° / 11°9914.9015.95.1
Sep14° / 10214.8012.73.6
Oct / 8715.22.89.41.3
Nov / -1°7913.27.36.20.0
Dec / -4°9415.310.74.20.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in April, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32476
42476
52476
62575
72575
82575
92575
102575
112575
122575
132773
142872
152872
162872
172773
182773
192971
202872
212872
222872
232872
242872
252773
262773
272773
282674
292674
302674

Chance of precipitation in April

Any precipitationSnow

Trondheim gets around 67 mm of rain and snow over 13.6 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 46% and peaks near 49% on the wettest days, and about 5 days bring snow.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
14929
24928
34928
44927
54826
64825
74825
84824
94823
104822
114721
124721
134720
144620
154619
164518
174417
184416
194316
204315
214314
224313
234313
244312
254311
264310
274410
28449
29448
30458

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 54 min at the start of April to 16 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 186 minutes over April. Sunrise moves from 5:55 AM to 4:14 AM, and sunset from 6:51 PM to 8:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:556:51
213.05:516:54
313.25:486:57
413.35:447:00
513.45:417:03
613.55:377:06
713.65:347:09
813.75:307:12
913.85:277:15
1013.95:237:18
1114.05:207:21
1214.15:167:23
1314.25:127:26
1414.35:097:29
1514.45:067:32
1614.65:027:35
1714.74:597:38
1814.84:557:41
1914.94:527:44
2015.04:487:47
2115.14:457:50
2215.24:417:53
2315.34:387:56
2415.44:347:59
2515.54:318:02
2615.64:288:05
2715.74:248:08
2815.84:218:11
2915.94:188:14
3016.04:148:17

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.53 kWh/m².

For context, solar energy here swings from a low near 0.06 kWh/m² to a high of 4.7 kWh/m² in June across the year — April's 3.53 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
12.7Moderate
22.8Moderate
32.8Moderate
42.9Moderate
52.9Moderate
63.0Moderate
73.0Moderate
83.1Moderate
93.1Moderate
103.2Moderate
113.3Moderate
123.3Moderate
133.4Moderate
143.4Moderate
153.5Moderate
163.5Moderate
173.6Moderate
183.6Moderate
193.7Moderate
203.8Moderate
213.8Moderate
223.9Moderate
233.9Moderate
244.0Moderate
254.0Bright
264.0Bright
274.1Bright
284.1Bright
294.2Bright
304.2Bright
Planning a trip in April

Is April a good time to visit Trondheim?

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

1.6
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Trondheim.

What to pack for Trondheim in April

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

In April, Trondheim sees daytime highs around 9°C and nights near 1°C. Pack a warm layer and rain gear. About 14 days see rain.

a warm layerrain gear

Sea temperature near Trondheim in April

The nearest coast averages about 6°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 55 km away) is warmest in August at about 14°C and coldest in March near 5°C.

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

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan6Bracing
Feb6Bracing
Mar5Bracing
Apr6Bracing
May8Bracing
Jun10Bracing
Jul13Bracing
Aug14Bracing
Sep13Bracing
Oct11Bracing
Nov9Bracing
Dec7Bracing

UV index in Trondheim in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trondheim peaks around July 13 at about 4 (moderate) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJul 13UV 4Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb0Low
Mar1Low
Apr2Moderate
May4Moderate
Jun4Moderate
Jul5Moderate
Aug4Moderate
Sep2Low
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Trondheim?

Trondheim sits at 63.4°N, 10.4°E, 18 m above sea level, in Norway. The nearest listed city is Stjørdalshalsen, 27 km away.

MoldeÖstersundAlesundLillehammer

Topography around Trondheim

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

Within 3 km, the terrain around Trondheim has significant variations in elevation — a maximum elevation change of 312 m around an average of 52 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 558 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,431 m.

The land around Trondheim is covered by trees (33%), artificial surfaces (31%) and water (31%) within 3 km, water (48%) and trees (34%) within 16 km, and grassland (37%), trees (36%) and water (22%) within 80 km.

3 km
312 m
16 km
558 m
80 km
1,431 m
treesgrasslandcroplandartificial surfaceswatermoss and lichen
April weather nearby: Stjørdalshalsen 27 km · Levanger 57 km · Åre 134 km · Kristiansund 138 km · Molde 180 km · Östersund 214 km · Alesund 239 km · Lillehammer 257 km

Norway travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 91% of US
price level, 2025
GDP per capita
$94,594
2025
Happiness
7.2 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
2.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 613
Religion
Church of Norway 68%other Christian 4%Muslim 3%Roman Catholic 3%

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 Trondheim (63.4305°, 10.3951°, elevation 18 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).