How warm does it get in Norway in summer?
Hot days, monthly averages and how the north compares.
Short answer
Norwegian summer days can reach 25 to 30 °C in the south and inland valleys, while the July average in Oslo is just under 18 °C. The highest temperature in summer 2026 was 34.2 °C, measured at Nesbyen on 15 July 2026. Northern Norway is cooler, with a July average of 12.3 °C in Tromsø.
Why
- Visit Norway says summer temperatures can reach 25 to 30 °C, especially in the south and in the inland valleys.
- In the 1991–2020 normal, July is Oslo's warmest month at 17.7 °C, followed by August at 16.5 °C; both are averages of day and night.
- MET Norway recorded 34.2 °C at Todokk in Nesbyen, Buskerud, on 15 July 2026, the highest temperature of summer 2026.
Details
Summer 2026 as a whole was 0.5 °C warmer than normal across Norway. Along the west coast, summers are cooler and wetter: Bergen averages 15.6 °C in July with 158 mm of precipitation. In southern Norway, sea and lake water usually reaches 18 °C or more.
Tip
Use sunscreen even when the wind feels cool, as the sun can be strong, and pack a swimsuit for warm days by lakes and the sea.
What may differ
Heat varies by place: the warmest days usually come in the south and in inland valleys, while the coast and the north stay cooler. Tromsø averages 9.4 °C in June and 11.3 °C in August.
People also ask
- How hot does it get in Norway?
- What is the average summer temperature in Norway?
- Does it get hot in Norway?
Sources
- Visit Norway: Summer in NorwayChecked at:
- MET Norway: The weather in Norway, summer 2026Checked at:
- Yr: Weather statistics for Oslo (Blindern)Checked at:
- Yr: Weather statistics for Bergen (Florida station)Checked at:
- Yr: Weather statistics for TromsøChecked at:
Information checked on 15 October 2026.
How many sunny days Norway hasRelated questions
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What does 'there is no bad weather, only bad clothing' mean in Norway?
The saying means that bad weather is no reason to stay indoors, because the right clothes let you enjoy being outside in rain, wind or cold.
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Do I need sunscreen in Norway?
Yes, you need sunscreen in Norway, especially in spring and summer, on snow in the mountains and on the water, where reflection makes UV radiation stronger.
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Do I need ice grips (brodder) on my shoes in a Norwegian winter?
Ice grips, called brodder in Norwegian, are worth packing for a winter trip, because temperatures around freezing often leave pavements and paths icy.
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What shoes should I bring to Norway?
Bring sturdy shoes that handle rain and rough paths, and in winter warm boots with room for wool socks and a good grip on ice.