Kalmar Weather in August
Kalmar in August averages 22°C (72°F) during the day and 14°C (57°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.
Rainfall in Kalmar in August
You can expect rain on around 12 days based on historical patterns, with 63 mm (2.5 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Kalmar in August
The temperature in Kalmar in August is perfect. Daytime highs reach 22°C (72°F), with nights dropping to 14°C (57°F). August marks the summer season. The difference between afternoon and evening temperatures is usually noticeable. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Kalmar in August
Expect a lot of sunshine this month, with about 246 hours of sun. These sunny conditions add to the overall experience.
Average water temperature in August
The water is 16°C (61°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Kalmar.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sweden, check out our Kalmar's climate page.
Kalmar Temperature in August
Min Temperature
14°C (57°F)
Max Temperature
22°C (72°F)
Water Temperature
16°C (61°F)
Chance of Rain
38%
Precipitation
63 mm (2.5 in)
Rainy days
12 days
Humidity
79%
Sunshine
246 hours
Percentage Sunshine
53%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kalmar typically stay consistent throughout August, with daily highs averaging around 22°C (72°F). Nights are cool, with lows typically ranging from 11°C (52°F) to 13°C (55°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Kalmar in August
Browse day-by-day weather records for Kalmar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kalmar historical weather extremes in August
According to our 49 years of weather records for Kalmar, the following extremes were recorded between 1976 and 2025.
- On August 1, 2018, temperatures climbed to 32°C (90°F), marking the warmest August day on record.
- The coldest August day was on August 29, 1981, with a maximum of 12°C (54°F).
- Nighttime temperatures dropped to 3°C (37°F) on August 12, 2016, marking the coldest August night on record.
Best Places in Sweden in August
Find out more about the weather in Sweden and which places have the best travel conditions in this month. See all of Sweden in August →
perfect weather
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tolerable
unpleasant
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What to Wear in Kalmar in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. With water temperatures around 16°C (61°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Kalmar in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sweden, check out our Kalmar's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Kalmar climate overview or explore weather in Sweden.
