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.
Moss Weather in May
Thinking of visiting Moss in May? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 7°C (45°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Moss in May
Typically around 14 days of rainfall are expected, averaging 68 mm (2.7 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Moss in May
Daytime highs in Moss in May reach 17°C (63°F), with nights around 7°C (45°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Moss in May
Enjoy a sunny month with about 240 hours of sunshine, the clear skies make Moss even more beautiful.Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Moss Temperature in May
Min Temperature
7°C (45°F)
Max Temperature
17°C (63°F)
Chance of Rain
45%
Precipitation
68 mm (2.7 in)
Rainy days
14 days
Humidity
60% *
Sunshine
240 hours *
Percentage Sunshine
*
* Data from: Drammen, Norway (42 KM, 26 Miles).
Moss Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Moss - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Moss typically rise from around 13°C (55°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 4°C (39°F) to 9°C (48°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Moss in May
Browse day-by-day weather records for Moss spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Moss historical weather extremes in May
According to our 50 years of weather records for Moss, the following extremes were recorded between 1976 and 2026.
- The warmest day in May was on May 30, 2018, with a maximum of 30°C (86°F).
- On May 10, 2017, Moss saw its coldest May day with temperatures maxing out at 4°C (39°F).
- Nighttime temperatures dropped to -3°C (27°F) on May 3, 1981, marking the coldest May night on record.
Best Places in Norway in May
Find out more about the weather in Norway and which places have the best travel conditions in this month. See all of Norway in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Moss in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Moss in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports10/10
Moss 3-Day Forecast
More climate data for Moss
Temperature Rainfall Sunshine Humidity
See the full Moss climate overview or explore weather in Norway.
Popular in May
Where to go in May - average daytime high across popular destinations.
Oslo
16°C (61°F) Kristiansand14°C (57°F) Trondheim14°C (57°F) Stavanger13°C (55°F) Bergen
14°C (57°F) Tromsø9°C (48°F) Hemsedal
9°C (48°F) Reine8°C (46°F) Bucket list
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The rugged landscape of the Norwegian fjords
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