Gränna Weather & Climate: Best Time to Visit

Temperatures in Gränna, Jönköping county, Sweden, vary greatly throughout the year. July is the hottest month at 21°C (70°F), while February is the coldest at 2°C (36°F).

Gränna sees a moderate amount of rain/snowfall, totalling around 738 mm (29 in) per year. Sunshine peaks in June, when the city sees around 7.6 hours of sunshine per day.

Monthly Temperature in Gränna

The climate in Gränna is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a pleasant 21°C (70°F) in July, the warmest time of the year, to a very cold 2°C (36°F) during cooler months like February.

At night, you can expect temperatures ranging from 13°C (55°F) in July to around -4°C (25°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Gränna

Generally, Gränna receives mid-range precipitation levels, with 738 mm (29 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives moderate rainfall, averaging 85 mm (3.3 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month March brings less snow/rainfall, with 37 mm (1.5 in) over 14 snowy/rainy days. For more details, please visit our Gränna 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 Gränna

Seasonal changes in sunshine hours are quite dramatic in Gränna. While June receives considerable daily sunshine with up to 7.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.0 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Jönköping, Sweden (32 KM, 20 Miles).

Daily hours of sunshine

Data from: Jönköping, Sweden (32 KM, 20 Miles).

Daily percentage of sunshine

Data from: Jönköping, Sweden (32 KM, 20 Miles).

Humidity in Gränna by Month

The relative humidity is high throughout the year in Gränna.

The city experiences its highest humidity in December, reaching 88%. In May, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

Data from: Jönköping, Sweden (32 KM, 20 Miles).

Gränna 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Gränna

Gränna's weather is most enjoyable during June, July and August, with comfortable temperatures from 18°C (65°F) to 21°C (70°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 84 mm (3.3 in) and 85 mm (3.3 in), providing a good balance of sunny and rainy days.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.