Oskarshamn weather in August

In August, Oskarshamn sees average daytime highs of 22°C and overnight lows near 13°C, with 58 mm of rain across 10.6 wet days and about 15 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 20°C by the end. The sky is clear or mostly clear about 22% of the time in August, and the air most often feels dry.

Daylight stretches from about 16 h 06 min at the start of August to 13 h 48 min by month's end. Set against the rest of the year, August is Oskarshamn's 5th-clearest and 11th-windiest month. For the whole year in context, see Oskarshamn's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
58 mm
10.6 wet days
Daylight
15 hours
4:28 AM – 7:29 PM
Cloud cover
63%
5th clearest
Wind
12 km/h
11th windiest
Solar energy
4.37 kWh/m²
Travel score
6.4
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 20°C by the end.

A typical August day in Oskarshamn reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52313
62313
72313
82213
92213
102213
112213
122213
132213
142213
152213
162213
172213
182213
192113
202112
212112
222112
232112
242112
252112
262012
272012
282012
292011
302011
312011

How August really feels in Oskarshamn

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

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Oskarshamn weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 2nd-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54258
64258
74357
84258
94159
104258
114258
124258
134060
144159
154159
164159
174060
184060
193961
203961
213961
223961
233862
243862
253862
263763
273862
283862
293862
303862
313862

Chance of precipitation in August

Any precipitation

Oskarshamn gets around 58 mm of rain over 10.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
334
434
534
633
733
833
933
1033
1132
1232
1332
1433
1533
1633
1733
1834
1934
2034
2135
2235
2335
2436
2536
2636
2736
2835
2935
3034
3134

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14834143
24934143
34933143
45033143
55033143
65133133
75133133
85133133
95333122
105333122
115333122
125433112
135433112
145433112
155633101
165633101
175633101
185633101
19573391
20573391
21583291
22593290
23613180
24613180
25623080
26642970
27652870
28672760
29682660
30702460
31722350

Wind in August

Winds average 12 km/h in August.

Across August, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1413light breeze
1513light breeze
1613light breeze
1713light 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
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 16 h 06 min at the start of August to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 138 minutes over August. Sunrise moves from 3:57 AM to 5:00 AM, and sunset from 8:04 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.13:578:04
216.03:598:01
316.04:017:59
415.94:037:57
515.84:057:55
615.84:077:53
715.74:097:50
815.64:117:48
915.54:137:46
1015.54:157:43
1115.44:177:41
1215.34:207:39
1315.24:227:36
1415.24:247:34
1515.14:267:31
1615.04:287:29
1714.94:307:26
1814.94:327:23
1914.84:347:21
2014.74:377:18
2114.64:397:16
2214.54:417:13
2314.54:437:10
2414.44:457:08
2514.34:477:05
2614.24:497:02
2714.14:517:00
2814.14:546:57
2914.04:566:54
3013.94:586:51
3113.85:006:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.37 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 — August's 4.37 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.7Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.0Bright
244.0Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
313.6Moderate
Planning a trip in August

Is August a good time to visit Oskarshamn?

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

6.4
Sightseeing
2nd-best month of the year
4.2
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Oskarshamn for sightseeing.

What to pack for Oskarshamn in August

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

In August, Oskarshamn sees daytime highs around 22°C and nights near 13°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Oskarshamn in August

The nearest coast averages about 18°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — 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
August 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).