Grøndalen Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Grøndalen.

Climate overview of Grøndalen

Grøndalen, Norway, experiences significant temperature variation throughout the year. Summers bring daytime highs of 20°C (68°F) in July, while winters cool to -3°C (27°F) in January.

With around 1005 mm (40 in) of annual rain/snowfall, Grøndalen has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has pleasant summers and very cold winters. The wettest month is August.

Grøndalen Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Grøndalen - and find the best time to visit.

Monthly Temperature in Grøndalen

Depending on the time of the year, temperatures range from pleasant to very cold in Grøndalen. Average daytime temperatures reach a pleasant 20°C (68°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -3°C (27°F).

At night, temperatures range from around 9°C (48°F) in July to -10°C (14°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Grøndalen

Grøndalen has a relatively rain/snowy climate with high precipitation levels, averaging 1005 mm (40 in) of rain/snowfall annually. Grøndalen can be quite wet during August, receiving approximately 119 mm (4.7 in) of precipitation over 17 rainy days.

In contrast, during the driest month (March), you will experience much drier conditions, with 49 mm (1.9 in) of precipitation spread across 14 snowy/rainy days. For more details, please visit our Grøndalen Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Grøndalen

For comfortable weather, consider visiting Grøndalen in July. Conditions are usually least favourable in January, February, March, April, October, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: July
  • Warmest weather: July
  • Fewest rainy days: February, March, April and May
  • Seasonal pattern: Pleasant summers and very cold winters
  • Coldest conditions: January, with freezing nights around -10°C (14°F).

Frequently asked questions about the climate in Grøndalen

What is the best time to visit Grøndalen?

July typically offers the most optimal weather in Grøndalen. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Grøndalen has pleasant summers and very cold winters.

What temperatures can I expect in Grøndalen?

Daytime highs range from -3°C (27°F) in January to 20°C (68°F) in July. Nighttime lows range from -10°C (14°F) to 9°C (48°F). Temperatures vary considerably through the year.

How much rain does Grøndalen get?

Annual rainfall is around 1005 mm (40 in). August is the wettest month with 119 mm (4.7 in), while March is the driest with 49 mm (1.9 in).

Grøndalen 3-Day Forecast

Grøndalen on the map

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