Oskarshamn weather in April

In April, Oskarshamn sees average daytime highs of 11°C and overnight lows near 2°C, with 29 mm of precipitation across 7.1 wet days and about 13.9 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 13°C by the end. The sky is clear or mostly clear about 28% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of April to 15 h 06 min by month's end. Set against the rest of the year, April is Oskarshamn's 2nd-clearest and 8th-windiest month. For the whole year in context, see Oskarshamn's year-round climate.

Daytime high
11°
7th warmest
Overnight low
5th coldest
Precipitation
29 mm
7.1 wet days
Daylight
14 hours
4:55 AM – 6:54 PM
Cloud cover
60%
2nd clearest
Wind
14 km/h
8th windiest
Solar energy
4.27 kWh/m²
Travel score
2.7
out of 10

Oskarshamn is urban area in Oskarshamn Municipality, Sweden.

Founded
1856

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 8°C in the first days to 13°C by the end.

A typical April day in Oskarshamn reaches about 11°C in the afternoon and slips back to 2°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 16°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

-5°10°15°20°151015202530
Avg high (°C)Avg low (°C)
180
280
390
490
591
691
791
891
991
1091
11101
12101
13101
14101
15102
16102
17112
18112
19112
20112
21122
22122
23123
24123
25123
26133
27133
28133
29133
30134

How April really feels in Oskarshamn

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 28 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
28
wind chill below the day's low

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

Oskarshamn weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°338.65.47.10.0
Feb / -3°3185.790.0
Mar / -1°287.83.111.40.4
Apr11° / 297.10.913.92.7
May16° / 469.9016.25.0
Jun20° / 10°5710.6017.56.0
Jul22° / 13°7010.80176.6
Aug22° / 13°5810.60156.4
Sep17° / 448.4012.55.5
Oct11° / 489.90.1102.8
Nov / 5010.41.97.70.6
Dec / -1°429.83.86.50.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54258
64258
74258
84258
94258
104258
114258
124258
134357
144357
154456
164555
174555
184555
194555
204555
214555
224654
234654
244555
254555
264555
274555
284555
294555
304555

Chance of precipitation in April

Any precipitationSnow

Oskarshamn gets around 29 mm of rain and snow over 7.1 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 24% and peaks near 29% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1236
2236
3236
4236
5236
6235
7235
8235
9235
10235
11235
12235
13235
14234
15224
16224
17224
18233
19233
20233
21242
22242
23251
24251
25261
26271
27271
28280
29290
30290

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 14 km/h in April.

Across April, 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.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 42 min at the start of April to 15 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 144 minutes over April. Sunrise moves from 5:37 AM to 4:19 AM, and sunset from 6:21 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:376:21
212.85:346:23
312.95:316:25
413.05:286:27
513.15:266:30
613.15:236:32
713.25:206:34
813.35:176:36
913.45:146:38
1013.55:126:40
1113.65:096:43
1213.65:066:45
1313.75:036:47
1413.85:016:49
1513.94:586:51
1614.04:556:54
1714.14:536:56
1814.14:506:58
1914.24:477:00
2014.34:457:02
2114.44:427:05
2214.54:397:07
2314.54:377:09
2414.64:347:11
2514.74:327:13
2614.84:297:15
2714.94:267:18
2814.94:247:20
2915.04:217:22
3015.14:197:24

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.27 kWh/m².

For context, solar energy here swings from a low near 0.3 kWh/m² to a high of 5.89 kWh/m² in June across the year — April's 4.27 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.7Moderate
63.7Moderate
73.8Moderate
83.8Moderate
93.9Moderate
103.9Moderate
114.0Bright
124.0Bright
134.1Bright
144.2Bright
154.2Bright
164.3Bright
174.3Bright
184.4Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.7Bright
244.7Bright
254.8Bright
264.8Bright
274.8Bright
284.9Bright
294.9Bright
305.0Bright
Planning a trip in April

Is April a good time to visit Oskarshamn?

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

2.7
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Oskarshamn.

What to pack for Oskarshamn in April

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

In April, Oskarshamn sees daytime highs around 11°C and nights near 2°C. Pack a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Oskarshamn in April

The nearest coast averages about 4°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 16 km away) is warmest in August at about 18°C and coldest in March near 2°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
Jan3Bracing
Feb2Bracing
Mar2Bracing
Apr4Bracing
May8Bracing
Jun13Bracing
Jul17Cool
Aug18Cool
Sep15Bracing
Oct11Bracing
Nov7Bracing
Dec5Bracing

UV index in Oskarshamn in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks 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 Oskarshamn peaks around June 17 at about 5 (high) — 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 17UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun6High
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Oskarshamn?

Oskarshamn sits at 57.3°N, 16.4°E, 22 m above sea level, in Sweden. The nearest listed city is Västervik, 56 km away.

VäxjöNässjöVisbyKarlskronaLinköpingHuskvarna

Topography around Oskarshamn

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

Within 3 km, the terrain around Oskarshamn has only modest variations in elevation — a maximum elevation change of 62 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 103 m; within 80 km, significant variations in elevation — a maximum elevation change of 318 m.

The land around Oskarshamn is covered by trees (59%) within 3 km, trees (57%) and water (36%) within 16 km, and trees (54%) and water (35%) within 80 km.

3 km
62 m
16 km
103 m
80 km
318 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Västervik 56 km · Kalmar 67 km · Växjö 108 km · Nässjö 113 km · Visby 118 km · Karlskrona 133 km · Linköping 137 km · Huskvarna 141 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 Oskarshamn (57.2645°, 16.4484°, elevation 22 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).