Gränna Weather & Climate: Best Time to Visit

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

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

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

Daily hours of sunshine

Daily percentage of sunshine

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