The best time for a holiday in Norway is during the summer months of June, July, and August. You'll find the weather is at its mildest and sunniest, with average daily highs reaching up to 17°C. These conditions are ideal for exploring the country's impressive fjords, hiking through the countryside, or sightseeing in cities like Oslo. While summer is the most popular time, your perfect trip might be in winter if you're hoping to see the Northern Lights.
Norway in spring: a slow thaw with increasing daylight
Spring in Norway is a season of transition, as the country slowly emerges from its deep winter freeze. From March to May, temperatures creep up from below freezing to around 10°C by the end of the season. Snow is still common in March and April, especially in the north, but daylight hours increase rapidly, bringing a sense of renewal. It’s a quiet time to visit before the summer crowds arrive.
Norway in summer: mild days and the midnight sun
Summer is peak season for good reason. From June to August, you can expect the warmest weather of the year, with average highs of 14°C to 17°C making it comfortable for all kinds of outdoor activities. This is also the time of the midnight sun, particularly in northern areas like Tromso, where the sun doesn't set for weeks on end. While it's the sunniest season, it's also the wettest, with August seeing the most rainfall at around 129mm.
Norway in autumn: crisp air and colourful landscapes
Autumn brings a dramatic shift as temperatures cool down and the landscape transforms with rich, golden colours. From September to November, temperatures range from a mild 12°C down to freezing. It remains a great time for hiking in September before the first snows arrive, which can happen as early as October in some regions. The evenings draw in, and in the far north, the first Northern Lights of the season may become visible.
Norway in winter: a snowy wonderland for aurora hunting
Winter in Norway is cold, crisp, and snowy, creating a classic winter landscape. Temperatures often stay well below freezing, especially in January, the coldest month. This is the prime time to see the Northern Lights, as the long, dark nights provide the perfect backdrop. It's also the season for winter sports and cosy evenings by the fire. The southern region around Oslo is generally milder than the arctic north around Tromso.
Average weather in Norway by month
Norway's weather is coolest in January, with average highs of -4°C, and warmest in July, when temperatures can reach 17°C. The wettest month is August, while February is typically the driest. The data below is an average across the country, so conditions can vary between the milder south and the arctic north.
| Month | Temp (°C) | Rainfall (mm/month) | Sunshine (avg hrs/day) |
|---|---|---|---|
| January | -10 to -4°C | 83mm | 3.8 |
| February | -9 to -4°C | 76mm | 3.4 |
| March | -6 to 0°C | 83mm | 2.9 |
| April | -2 to 5°C | 79mm | 3.7 |
| May | 3 to 10°C | 99mm | 3.9 |
| June | 8 to 14°C | 106mm | 4.2 |
| July | 10 to 17°C | 121mm | 4.3 |
| August | 10 to 16°C | 129mm | 4.0 |
| September | 6 to 12°C | 118mm | 4.1 |
| October | 2 to 6°C | 110mm | 3.7 |
| November | -2 to 0°C | 96mm | 3.5 |
| December | -7 to -3°C | 85mm | 3.7 |
Best time to visit Norway for the Northern Lights
For the best chance of seeing the Northern Lights - or Aurora Borealis - plan your trip between October and March. During these months, the nights are long and dark, which is essential for spotting the display. The coldest, crispest months of December, January, and February often provide the clearest skies, especially in the northern regions above the Arctic Circle.
Best time to visit Norway for hiking and fjord cruises
The ideal time for hiking and exploring the fjords is during the summer, from June to August. The weather is at its warmest and most stable, snow has melted from most low and mid-altitude trails, and the long daylight hours give you more time to explore. All boat tours and ferry services will be fully operational, giving you easy access to the striking coastal scenery.
Best time to visit Norway for city sightseeing
For exploring cities like Oslo, the shoulder months of May and September offer a great balance. The weather is pleasantly mild, with fewer crowds than in the peak summer months of July and August. In May, you can see the country come to life in spring, while September offers rich autumn colours. If you don't mind cooler weather, these months are perfect for walking around and enjoying the city's parks and museums.
