Gardermoen Weather in May
May in Gardermoen averages 16°C (61°F) during the day and 5°C (41°F) at night. Quite a bit of rainfall is typical this month, with around 81 mm (3.2 in) on average. An umbrella is a good idea.
Rainfall in Gardermoen in May
Records from the past 30 years suggest around 14 days of rain, with 81 mm (3.2 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Gardermoen in May
Temperatures in Gardermoen in May top out at 16°C (61°F) and drop to 5°C (41°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Gardermoen in May
With approximately 241 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Gardermoen in May
Wind speeds average 2 m/s (4 knots) during May. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.
Average water temperature in May
At 8°C (46°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Gardermoen.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norway, check out our Gardermoen's climate page.
Gardermoen Temperature in May
Min Temperature
5°C (41°F)
Max Temperature
16°C (61°F)
Water Temperature
8°C (46°F) *
Chance of Rain
47%
Precipitation
81 mm (3.2 in)
Rainy days
14 days
Humidity
60% *
Windspeed
2 m/s (4 knots) *
Sunshine
241 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Gardermoen 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 2°C (36°F) to 8°C (46°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 for Gardermoen in May
Browse day-by-day weather records for Gardermoen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gardermoen historical weather extremes in May
The extremes listed below come from historical weather data collected in Gardermoen from 1976 through 2026.
- Gardermoen recorded its highest May temperature of 29°C (84°F) on May 30, 2018.
- On May 6, 2019, Gardermoen saw its coldest May day with temperatures maxing out at 3°C (37°F).
- The coldest night in May in Gardermoen was on May 3, 1978, with a minimum of -5°C (23°F).
- The wettest May day on record brought 40 mm (1.6 in) of precipitation to Gardermoen (May 22, 2013).
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
What to Wear in Gardermoen 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. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 8°C (46°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Gardermoen in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norway, check out our Gardermoen's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Gardermoen climate overview or explore weather in Norway.
