Oskarshamn Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Oskarshamn.
Climate overview of Oskarshamn
Oskarshamn, Kalmar county, Sweden, sees big temperature differences between seasons, with July peaking at 24°C (75°F) and January dropping to 3°C (37°F).
Annual rain/snowfall is moderate at around 616 mm (24 in), with July being the wettest month. The city also has a distinct dry season from March to April, with warm summers and cold winters. Sunshine peaks in June, when the city sees around 9.5 hours of sunshine per day.
Oskarshamn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Oskarshamn - and find the best time to visit.
Monthly Temperature in Oskarshamn
Visitors to Oskarshamn can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 24°C (75°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 3°C (37°F).
At night, temperatures range from around 13°C (55°F) in July to -3°C (27°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Oskarshamn
Generally, Oskarshamn experiences moderate precipitation patterns, averaging 616 mm (24 in) yearly. Oskarshamn can be quite wet during July, receiving approximately 78 mm (3.1 in) of precipitation over 12 rainy days.
In contrast, during the driest month (March), you will experience much drier conditions, with 33 mm (1.3 in) of precipitation spread across 13 snowy/rainy days. For more details, please visit our Oskarshamn Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Oskarshamn
Oskarshamn can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 9.5 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 0.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Oskarshamn by Month
The city experiences its highest humidity in January, reaching 88%. In June, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Oskarshamn
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: June and July
- Fewer rainy days: April, May, June, July and August
- Seasonal pattern: A distinct dry season from March to April, with warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Oskarshamn
What is the best time to visit Oskarshamn?
June, July and August typically offer the most optimal weather in Oskarshamn. In contrast, January, February, March, November and December tend to have less optimal conditions. Oskarshamn has a distinct dry season from March to April, with warm summers and cold winters.
What temperatures can I expect in Oskarshamn?
Daytime highs range from 3°C (37°F) in January to 24°C (75°F) in July. Nighttime lows range from -3°C (27°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Oskarshamn get?
Annual rainfall is around 616 mm (24 in). July is the wettest month with 78 mm (3.1 in), while March is the driest with 33 mm (1.3 in).
How sunny is Oskarshamn?
Oskarshamn receives around 1,833 hours of sunshine per year. June is the sunniest month with 285 hours, while December is the cloudiest with just 28 hours.
Oskarshamn 3-Day Forecast
Oskarshamn on the map
Oskarshamn is highlighted - select any city to see its climate.
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