Weather Guide

Oskarshamn, Sweden Average Monthly Weather

Weather score30Poor annual avg

Best months: July, August, June

Across the year, average daytime temperatures are around 10°C, sunshine averages 4.3h per day, and rainfall totals about 515mm. Sea temperatures average 9°C across the year.

Annual weather

Annual averages

Temp

10°C

Rain

515mm

Annual total

Sun

4.3h

Sea

9°C

Weather score

30

Poor avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Mild

Average highs are around 21°C, so days are mild rather than hot.

Drier

Rainfall averages 55mm, which is relatively low for holiday planning.

Some sun

Sunshine averages 7h per day, enough for a balanced month.

Cool sea

Sea temperatures average 18°C, so the water can feel cool.

Map

Weather map

Compare Oskarshamn, Sweden with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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August21°C average high

August is one of Oskarshamn's warmest months, with daytime heat above the yearly average.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

August55mm average rain

August is wetter than Oskarshamn's yearly average, so flexible plans matter more.

Driest monthsJanuary to June and August to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

August7 hours average sun

August is brighter than Oskarshamn's yearly average, though the strongest sunshine usually sits closer to the peak months.

Brightest monthsMay to August

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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August18°C average sea

August is one of Oskarshamn's warmest sea months, when swimming comfort is usually strongest.

Warmest seaJuly to September

Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.

Weather score

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August48 weather score

August is one of Oskarshamn's best weather-score months, combining the strongest overall balance in the yearly averages.

Best weather monthsJune to August

These months have the strongest weather score in the monthly averages.

Hotels near Oskarshamn, Sweden