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Gränna Weather in August
During August, Gränna experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 13°C (55°F). As part of the summer season, expect quite a bit of rainfall. Around 85 mm (3.3 in) is typical.
Rainfall in Gränna in August
The climate data from previous years indicates about 14 days of rain, averaging 85 mm (3.3 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Gränna in August
August in Gränna is generally excellent, with days reaching 20°C (68°F) and nights settling around 13°C (55°F). During August, you'll experience the summer season. Conditions are often most pleasant around the middle of the day. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Gränna in August
Enjoy a sunny month with about 197 hours of sunshine, the clear skies make Gränna even more beautiful.If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Gränna.
Gränna Temperature in August
Min Temperature
13°C (55°F)
Max Temperature
20°C (68°F)
Chance of Rain
45%
Precipitation
85 mm (3.3 in)
Rainy days
14 days
Humidity
76% *
Sunshine
197 hours *
Percentage Sunshine
40% *
* Data from: Jönköping, Sweden (32 KM, 20 Miles).
Gränna Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gränna - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Gränna typically drop from around 21°C (70°F) at the start of August to approximately 18°C (64°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°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 records for Gränna in August
Browse day-by-day weather records for Gränna spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gränna historical weather extremes in August
Based on 50 years of weather observations in Gränna between 1976 and 2026, these are the recorded extremes.
- On August 8, 2018, temperatures climbed to 32°C (90°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 10°C (50°F), recorded on August 4, 1976.
- Gränna registered its coldest August night on August 26, 1986, with temperatures dropping to -1°C (30°F).
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
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Gränna in August
For Gränna in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Gränna in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Gränna 3-Day Forecast
More climate data for Gränna
Temperature Rainfall Sunshine Humidity
See the full Gränna climate overview or explore weather in Sweden.
Popular in August
Where to go in August - average daytime high across popular destinations.
Lund
22°C (72°F) Malmö23°C (73°F) Gothenburg21°C (70°F) Falkenberg22°C (72°F) Visby
22°C (72°F) Stockholm22°C (72°F) Karlskrona21°C (70°F) Simrishamn20°C (68°F) Bucket list
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