Moss Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Moss.
Climate overview of Moss
Moss, Østfold, Norway, sees big temperature differences between seasons, with July peaking at 23°C (73°F) and January dropping to 2°C (36°F).
Moss sees a moderate amount of rain/snowfall, totalling around 942 mm (37 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. May is the sunniest month, averaging 8.0 hours of sunshine per day.
Moss Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Moss - and find the best time to visit.
Monthly Temperature in Moss
Visitors to Moss can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 23°C (73°F) in July, the warmest time of the year, to a chilly 2°C (36°F) during cooler months like January.
At night, you can expect temperatures ranging from 14°C (57°F) in July to around -4°C (25°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Moss
Generally, Moss experiences moderate precipitation patterns, averaging 942 mm (37 in) yearly. While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 97 mm (3.8 in) of precipitation, spread over 17 rainy days.
In contrast, the driest month March experiences a drier climate, with about 55 mm (2.2 in) of snow/rainfall spread across 14 snowy/rainy days. For more details, please visit our Moss 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 Moss
Seasonal changes in sunshine hours are quite dramatic in Moss. While May receives considerable daily sunshine with up to 8.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.4 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Moss by Month
The relative humidity is high throughout the year in Moss.
The city experiences its highest humidity in November, reaching 86%. In May, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Moss
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: May, June and July
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Moss
What is the best time to visit Moss?
June, July and August typically offer the most optimal weather in Moss. In contrast, January, February, March, November and December tend to have less optimal conditions. Moss has warm summers and cold winters.
What temperatures can I expect in Moss?
Daytime highs range from 2°C (36°F) in January to 23°C (73°F) in July. Nighttime lows range from -4°C (25°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Moss get?
Annual rainfall is around 942 mm (37 in). October is the wettest month with 97 mm (3.8 in), while March is the driest with 55 mm (2.2 in).
How sunny is Moss?
Moss receives around 1,674 hours of sunshine per year. May is the sunniest month with 240 hours, while December is the cloudiest with just 41 hours.
Moss 3-Day Forecast
Moss on the map
Moss is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The rugged landscape of the Norwegian fjords
This landscape is rated as the most beautiful in the world and it is something you need to experience at least once in your life.
Discover Norway's Hidden Gem: The Littleisland Lighthouse
Explore Littleisland Lighthouse in Norway - a serene getaway offering unique stays, breathtaking views, and a journey into tranquil simplicity.
The Majestic Geirangerfjord: Norway's Crown Jewel
Explore Norway's stunning Geirangerfjord, famous for its dramatic cliffs, waterfalls, and scenic routes. Breathtaking landscapes and outdoor adventures
Swimming with orcas in Norway
The best travel period to travel to Norway for the orcas are the months October, November December, January and February. Swimming with orcas in Norway might be the bucket list trip of your life.