May weather forecastAlta, Norway
May
Weather in May
The renowned Scandinavian summer is ushered in with May, and Alta, Norway is no exception to this transition. The landscape gradually shifts from a frigid white to myriad hues of green, implying the resurgence of flora. The month is marked by a significant dip in the snowfall, measuring only 46mm (1.81"). The other significant shift is in daylight hours that stretch considerably, making May appreciate the midnight sun's charm. Among these transitions, the sea temperature shows a mild increase, alluding to noticeably warmer days.Temperature
With the onset of May, Alta experiences a subtle temperature shift, with the average high-temperature moving from a freezing cold -0.4°C (31.3°F) in April to a cold 4.4°C (39.9°F). Alta's May nights exhibit a subtle drop in temperature, averaging at a freezing cold -0.5°C (31.1°F), closely aligned with the daytime highs.Humidity
The average relative humidity in May in Alta is 86%.Rainfall
In May, in Alta, the rain falls for 11.8 days. Throughout May, 31mm (1.22") of precipitation is accumulated. In Alta, Norway, during the entire year, the rain falls for 113.3 days and collects up to 318mm (12.52") of precipitation.Snowfall
Months with snowfall in Alta are January through June, September through December. In May, in Alta, it is snowing for 7.7 days. Throughout May, 46mm (1.81") of snow is accumulated. Throughout the year, there are 90.6 snowfall days, and 728mm (28.66") of snow is accumulated.Sea temperature
In Alta, the average seawater temperature in May is 5°C (41°F).Note: Swimming in 5°C (41°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
In May, the average length of the day is 10h and 42min.Sunshine
In May, the average sunshine is 3.6h.UV index
In Alta, the average daily maximum UV index in May is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Around midday, solar radiation is most harmful; hence, exposure should be limited. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Alta, Norway
- Average high temperature in May: 4.4°C
The warmest month (with the highest average high temperature) is July (14.4°C).
The months with the lowest average high temperature are January and February (-6.7°C).
- Average low temperature in May: -0.5°C
The month with the highest average low temperature is July (8.7°C).
The coldest month (with the lowest average low temperature) is February (-11.9°C).
Average pressure in May
Alta, Norway
- Average pressure in May: 1014.1mbar
The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1001.5mbar).
Average wind speed in May
Alta, Norway
- Average wind speed in May: 13.2km/h
The windiest month (with the highest average wind speed) is March (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in May
Alta, Norway
- Average humidity in May: 86%
The month with the highest relative humidity is April (89%).
The months with the lowest relative humidity are June and July (75%).
Average rainfall in May
Alta, Norway
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is February (16mm).
Average rainfall days in May
Alta, Norway
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is December (3.8 days).
Average snowfall in May
Alta, Norway
- Average snowfall in May: 46mm
The month with the highest snowfall is March (137mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in May
Alta, Norway
- Average snowfall days in May: 7.7 days
The month with the highest number of snowfall days is March (14.6 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in May
Alta, Norway
- Average sea temperature in May: 5°C
The best month for swimming (with the highest average sea temperature) is August (10°C).
The coldest months (with the lowest average sea temperature) are February, March and April (4°C).
Average daylight in May /
Average sunshine in May
Alta, Norway
- Average daylight in May: 10h and 42min
The month with the longest days is August (Average daylight: 18h and 12min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in May: 3h and 36min
The month with the most sunshine is August (Average sunshine: 8h and 36min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in May
Alta, Norway
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in May
Alta, Norway
- Average UV index in May: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in May
Alta, Norway
- Average cloud cover in May: 64
The month with the most cloud cover is March (Cloud cover 67).
The months with the least cloud cover are July, August and September (Cloud cover 57).
Average visibility in May
Alta, Norway
- Average visibility in May: 8km
The months with the highest visibility are June, July, August, September, October, November and December (9km).
The month with the lowest visibility is April (7km).
