Oslo weather in April

In April, Oslo sees average daytime highs of 9°C and overnight lows near 1°C, with 55 mm of precipitation across 9.1 wet days and about 14.1 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 7°C in the first days to 12°C by the end. The sky is clear or mostly clear about 24% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of April to 15 h 24 min by month's end. Set against the rest of the year, April is Oslo's 5th-clearest and 8th-windiest month. For the whole year in context, see Oslo's year-round climate.

Daytime high: 9°; 6th warmest
Overnight low: 1°; 6th coldest
Precipitation: 55 mm; 9.1 wet days
Daylight: 14 h 12 min; 5:11 AM – 7:23 PM
Cloud cover: 66%; 5th clearest
Wind: 9 km/h; 8th windiest
Solar energy: 3.86 kWh/m²
Travel score: 2.0; out of 10

Oslo is capital city of Norway.

Air quality: Good; PM2.5 7.5 µg/m³ · 2019
Density: 39,933/km²; people per km²
Founded: 1048

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

← March Oslo year-round climate May →Best places to visit in April

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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 12°C by the end.

A typical April day in Oslo reaches about 9°C in the afternoon and slips back to 1°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 15°C. Set against its neighbours, April runs about 6°C warmer than March and about 6°C cooler than May.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	7	7	7	7	7	7	8	8	8	8	8	9	9	9	9	10	10	10	10	11	11	11	11	11	12	12	12	12	12	12
Avg low (°C)	-2	-2	-2	-1	-1	-1	-1	-1	-1	0	0	0	0	0	0	1	1	1	1	1	1	2	2	2	2	2	2	3	3	3

	Avg high (°C)	Avg low (°C)
1	7	-2
2	7	-2
3	7	-2
4	7	-1
5	7	-1
6	7	-1
7	8	-1
8	8	-1
9	8	-1
10	8	0
11	8	0
12	9	0
13	9	0
14	9	0
15	9	0
16	10	1
17	10	1
18	10	1
19	10	1
20	11	1
21	11	1
22	11	2
23	11	2
24	11	2
25	12	2
26	12	2
27	12	2
28	12	3
29	12	3
30	12	3

How April really feels in Oslo

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 27 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Oslo weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-2° / -7°	72	10.9	10.5	6.4	0.0
Feb	-1° / -7°	52	8.5	8.4	8.7	0.0
Mar	4° / -4°	54	8.2	7.1	11.3	0.1
Apr	9° / 1°	55	9.1	3.3	14.1	2.0
May	15° / 5°	77	11.4	0.8	16.7	4.3
Jun	19° / 9°	95	12.3	0	18.3	5.5
Jul	21° / 12°	100	12.7	0	17.7	5.9
Aug	19° / 11°	112	14.2	0	15.3	5.6
Sep	15° / 8°	89	10.8	0	12.6	4.3
Oct	9° / 3°	94	11.7	1.4	9.8	1.6
Nov	3° / -1°	92	12	6	7.2	0.0
Dec	-1° / -5°	71	11.1	8.1	5.7	0.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	42	41	41	42	41	40	40	40	41	41	40	41	42	42	42	42	42	41	41	41	39	38	38	37	37	36	36	36	36	36
Cloudier (%)	58	59	59	58	59	60	60	60	59	59	60	59	58	58	58	58	58	59	59	59	61	62	62	63	63	64	64	64	64	64

	Clearer (%)	Cloudier (%)
1	42	58
2	41	59
3	41	59
4	42	58
5	41	59
6	40	60
7	40	60
8	40	60
9	41	59
10	41	59
11	40	60
12	41	59
13	42	58
14	42	58
15	42	58
16	42	58
17	42	58
18	41	59
19	41	59
20	41	59
21	39	61
22	38	62
23	38	62
24	37	63
25	37	63
26	36	64
27	36	64
28	36	64
29	36	64
30	36	64

Chance of precipitation in April

Any precipitationSnow

Oslo gets around 55 mm of rain and snow over 9.1 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 30% and peaks near 34% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	26	27	27	28	28	28	29	29	29	29	29	29	28	28	28	28	28	28	29	29	30	31	31	32	32	33	33	34	34	34
Snow chance (%)	15	15	15	14	14	14	14	14	14	13	13	13	12	12	11	11	10	10	9	9	8	8	8	7	7	7	6	6	6	6

	Rain chance (%)	Snow chance (%)
1	26	15
2	27	15
3	27	15
4	28	14
5	28	14
6	28	14
7	29	14
8	29	14
9	29	14
10	29	13
11	29	13
12	29	13
13	28	12
14	28	12
15	28	11
16	28	11
17	28	10
18	28	10
19	29	9
20	29	9
21	30	8
22	31	8
23	31	8
24	32	7
25	32	7
26	33	7
27	33	6
28	34	6
29	34	6
30	34	6

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

Wind in April

Winds average 9 km/h in April.

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

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	9	calm
2	9	calm
3	9	calm
4	9	calm
5	9	calm
6	9	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	9	calm
13	9	calm
14	9	calm
15	9	calm
16	9	calm
17	9	calm
18	9	calm
19	9	calm
20	9	calm
21	9	calm
22	9	calm
23	9	calm
24	9	calm
25	9	calm
26	9	calm
27	9	calm
28	9	calm
29	9	calm
30	9	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 48 min at the start of April to 15 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 156 minutes over April. Sunrise moves from 5:57 AM to 4:31 AM, and sunset from 6:46 PM to 7:58 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.8	12.9	13.0	13.1	13.2	13.3	13.4	13.5	13.6	13.6	13.7	13.8	13.9	14.0	14.1	14.2	14.3	14.4	14.5	14.6	14.6	14.7	14.8	14.9	15.0	15.1	15.2	15.3	15.4	15.4
Sunrise (AM)	5:57	5:54	5:51	5:48	5:45	5:42	5:39	5:36	5:33	5:30	5:27	5:23	5:20	5:17	5:14	5:11	5:08	5:05	5:02	5:00	4:57	4:54	4:51	4:48	4:45	4:42	4:39	4:36	4:34	4:31
Sunset (PM)	6:46	6:48	6:51	6:53	6:56	6:58	7:01	7:03	7:06	7:08	7:11	7:13	7:16	7:18	7:21	7:23	7:26	7:28	7:30	7:33	7:35	7:38	7:40	7:43	7:45	7:48	7:50	7:53	7:55	7:58

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.8	5:57	6:46
2	12.9	5:54	6:48
3	13.0	5:51	6:51
4	13.1	5:48	6:53
5	13.2	5:45	6:56
6	13.3	5:42	6:58
7	13.4	5:39	7:01
8	13.5	5:36	7:03
9	13.6	5:33	7:06
10	13.6	5:30	7:08
11	13.7	5:27	7:11
12	13.8	5:23	7:13
13	13.9	5:20	7:16
14	14.0	5:17	7:18
15	14.1	5:14	7:21
16	14.2	5:11	7:23
17	14.3	5:08	7:26
18	14.4	5:05	7:28
19	14.5	5:02	7:30
20	14.6	5:00	7:33
21	14.6	4:57	7:35
22	14.7	4:54	7:38
23	14.8	4:51	7:40
24	14.9	4:48	7:43
25	15.0	4:45	7:45
26	15.1	4:42	7:48
27	15.2	4:39	7:50
28	15.3	4:36	7:53
29	15.4	4:34	7:55
30	15.4	4:31	7:58

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.86 kWh/m².

For context, solar energy here swings from a low near 0.19 kWh/m² to a high of 5.56 kWh/m² in June across the year — April's 3.86 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	3.3	3.3	3.3	3.4	3.4	3.5	3.5	3.6	3.6	3.7	3.7	3.8	3.8	3.9	3.9	4.0	4.0	4.1	4.1	4.1	4.2	4.2	4.2	4.3	4.3	4.3	4.4	4.4	4.5	4.5
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.3	Moderate
2	3.3	Moderate
3	3.3	Moderate
4	3.4	Moderate
5	3.4	Moderate
6	3.5	Moderate
7	3.5	Moderate
8	3.6	Moderate
9	3.6	Moderate
10	3.7	Moderate
11	3.7	Moderate
12	3.8	Moderate
13	3.8	Moderate
14	3.9	Moderate
15	3.9	Moderate
16	4.0	Moderate
17	4.0	Bright
18	4.1	Bright
19	4.1	Bright
20	4.1	Bright
21	4.2	Bright
22	4.2	Bright
23	4.2	Bright
24	4.3	Bright
25	4.3	Bright
26	4.3	Bright
27	4.4	Bright
28	4.4	Bright
29	4.5	Bright
30	4.5	Bright

Planning a trip in April

Is April a good time to visit Oslo?

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

2.0

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 Oslo.

What to pack for Oslo in April

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

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

a warm layerrain gear

Sea temperature near Oslo 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 60 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	18	18	15	12	9	6
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	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	Cool
Jul	18	Cool
Aug	18	Cool
Sep	15	Cool
Oct	12	Bracing
Nov	9	Bracing
Dec	6	Bracing

UV index in Oslo in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oslo peaks around July 15 at about 5 (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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	0	1	2	3	4	5	5	4	3	1	0	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	4	Moderate
Jun	5	Moderate
Jul	5	Moderate
Aug	4	Moderate
Sep	3	Moderate
Oct	1	Low
Nov	0	Low
Dec	0	Low

Location & terrain

Where is Oslo?

Oslo sits at 59.9°N, 10.7°E, 26 m above sea level, in Norway. The nearest listed city is Lillestrøm, 18 km away.

Topography around Oslo

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

Within 3 km, the terrain around Oslo has only modest variations in elevation — a maximum elevation change of 169 m around an average of 41 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 535 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,381 m.

The land around Oslo is covered by artificial surfaces (47%), trees (29%) and water (21%) within 3 km, trees (63%) within 16 km, and trees (75%) within 80 km.

3 km

169 m

artificial surfaces 47%

16 km

535 m

trees 63%

80 km

1,381 m

trees 75%

treesgrasslandcroplandartificial surfaceswater

← March Oslo year-round climate May →Best places to visit in April

April weather nearby: Lillestrøm 18 km · Asker 19 km · Drammen 36 km · Moss 53 km · Horten 57 km · Kongsberg 67 km · Sarpsborg 73 km · Tønsberg 74 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

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 Oslo (59.9127°, 10.7461°, elevation 26 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).

	Avg high (°C)	Avg low (°C)
1	7	-2
2	7	-2
3	7	-2
4	7	-1
5	7	-1
6	7	-1
7	8	-1
8	8	-1
9	8	-1
10	8	0
11	8	0
12	9	0
13	9	0
14	9	0
15	9	0
16	10	1
17	10	1
18	10	1
19	10	1
20	11	1
21	11	1
22	11	2
23	11	2
24	11	2
25	12	2
26	12	2
27	12	2
28	12	3
29	12	3
30	12	3

	Clearer (%)	Cloudier (%)
1	42	58
2	41	59
3	41	59
4	42	58
5	41	59
6	40	60
7	40	60
8	40	60
9	41	59
10	41	59
11	40	60
12	41	59
13	42	58
14	42	58
15	42	58
16	42	58
17	42	58
18	41	59
19	41	59
20	41	59
21	39	61
22	38	62
23	38	62
24	37	63
25	37	63
26	36	64
27	36	64
28	36	64
29	36	64
30	36	64

	Rain chance (%)	Snow chance (%)
1	26	15
2	27	15
3	27	15
4	28	14
5	28	14
6	28	14
7	29	14
8	29	14
9	29	14
10	29	13
11	29	13
12	29	13
13	28	12
14	28	12
15	28	11
16	28	11
17	28	10
18	28	10
19	29	9
20	29	9
21	30	8
22	31	8
23	31	8
24	32	7
25	32	7
26	33	7
27	33	6
28	34	6
29	34	6
30	34	6

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	7	-2
2	7	-2
3	7	-2
4	7	-1
5	7	-1
6	7	-1
7	8	-1
8	8	-1
9	8	-1
10	8	0
11	8	0
12	9	0
13	9	0
14	9	0
15	9	0
16	10	1
17	10	1
18	10	1
19	10	1
20	11	1
21	11	1
22	11	2
23	11	2
24	11	2
25	12	2
26	12	2
27	12	2
28	12	3
29	12	3
30	12	3

	Clearer (%)	Cloudier (%)
1	42	58
2	41	59
3	41	59
4	42	58
5	41	59
6	40	60
7	40	60
8	40	60
9	41	59
10	41	59
11	40	60
12	41	59
13	42	58
14	42	58
15	42	58
16	42	58
17	42	58
18	41	59
19	41	59
20	41	59
21	39	61
22	38	62
23	38	62
24	37	63
25	37	63
26	36	64
27	36	64
28	36	64
29	36	64
30	36	64

	Rain chance (%)	Snow chance (%)
1	26	15
2	27	15
3	27	15
4	28	14
5	28	14
6	28	14
7	29	14
8	29	14
9	29	14
10	29	13
11	29	13
12	29	13
13	28	12
14	28	12
15	28	11
16	28	11
17	28	10
18	28	10
19	29	9
20	29	9
21	30	8
22	31	8
23	31	8
24	32	7
25	32	7
26	33	7
27	33	6
28	34	6
29	34	6
30	34	6

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	7	-2
2	7	-2
3	7	-2
4	7	-1
5	7	-1
6	7	-1
7	8	-1
8	8	-1
9	8	-1
10	8	0
11	8	0
12	9	0
13	9	0
14	9	0
15	9	0
16	10	1
17	10	1
18	10	1
19	10	1
20	11	1
21	11	1
22	11	2
23	11	2
24	11	2
25	12	2
26	12	2
27	12	2
28	12	3
29	12	3
30	12	3

	Clearer (%)	Cloudier (%)
1	42	58
2	41	59
3	41	59
4	42	58
5	41	59
6	40	60
7	40	60
8	40	60
9	41	59
10	41	59
11	40	60
12	41	59
13	42	58
14	42	58
15	42	58
16	42	58
17	42	58
18	41	59
19	41	59
20	41	59
21	39	61
22	38	62
23	38	62
24	37	63
25	37	63
26	36	64
27	36	64
28	36	64
29	36	64
30	36	64

	Rain chance (%)	Snow chance (%)
1	26	15
2	27	15
3	27	15
4	28	14
5	28	14
6	28	14
7	29	14
8	29	14
9	29	14
10	29	13
11	29	13
12	29	13
13	28	12
14	28	12
15	28	11
16	28	11
17	28	10
18	28	10
19	29	9
20	29	9
21	30	8
22	31	8
23	31	8
24	32	7
25	32	7
26	33	7
27	33	6
28	34	6
29	34	6
30	34	6

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100