May weather forecastLillestrøm, Norway
May
Weather in May
May, the last month of the spring in Lillestrøm, is a mild month, with temperature in the range of an average high of 14.4°C (57.9°F) and an average low of 5.1°C (41.2°F).Temperature
The arrival of May signals an increase in the average high-temperature, moving from a chilly 8.8°C (47.8°F) in April to a moderate 14.4°C (57.9°F). Lillestrøm experiences an average low-temperature of 5.1°C (41.2°F) in month of May.Humidity
May is the least humid month, with an average relative humidity of 70%.Rainfall
In May, in Lillestrøm, Norway, the rain falls for 16.8 days. Throughout May, 68mm (2.68") of precipitation is accumulated. In Lillestrøm, Norway, during the entire year, the rain falls for 142.2 days and collects up to 648mm (25.51") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.9 snowfall days, in May, Lillestrøm aggregates 58mm (2.28") of snow. Throughout the year, in Lillestrøm, there are 71.1 snowfall days, and 1230mm (48.43") of snow is accumulated.Daylight
In May, the average length of the day is 17h and 11min.On the first day of the month, sunrise is at 05:11 and sunset at 21:13. On the last day of May, sunrise is at 04:05 and sunset at 22:21 CEST.
Sunshine
In May, the average sunshine in Lillestrøm is 8.8h.UV index
The months with the highest UV index in Lillestrøm are May through August, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 4 in May transforms into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lillestrøm, Norway
- Average high temperature in May: 14.4°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in May: 5.1°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-8.2°C).
Average pressure in May
Lillestrøm, Norway
- Average pressure in May: 1014.2mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in May
Lillestrøm, Norway
- Average wind speed in May: 9.3km/h
The windiest month (with the highest average wind speed) is May (9.3km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in May
Lillestrøm, Norway
- Average humidity in May: 70%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in May
Lillestrøm, Norway
- Average rainfall in May: 68mm
The wettest month (with the highest rainfall) is July (79mm).
The driest months (with the least rainfall) are January and April (27mm).
Average rainfall days in May
Lillestrøm, Norway
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (22 days).
The months with the least rainy days are January and February (2.8 days).
Average snowfall in May
Lillestrøm, Norway
- Average snowfall in May: 58mm
The month with the highest snowfall is March (238mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Lillestrøm, Norway
- Average snowfall days in May: 1.9 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lillestrøm, Norway
- Average daylight in May: 17h and 12min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in May
Lillestrøm, Norway
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in May
Lillestrøm, Norway
- Average UV index in May: 4
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in May
Lillestrøm, Norway
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in May
Lillestrøm, Norway
- Average visibility in May: 9km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February and March (6km).
