May weather forecast
Fornebu, Norway

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Weather in May

The last month of the spring, May, is a moderate month in Fornebu, Norway, with an average temperature varying between 14.4°C (57.9°F) and 5.5°C (41.9°F).

Temperature

Fornebu experiences a temperature shift with the start of May, with average high-temperatures moving from a frosty 9.1°C (48.4°F) in April to a refreshing 14.4°C (57.9°F). May sees the temperature falling to a mean low of 5.5°C (41.9°F).

Humidity

May is the least humid month, with an average relative humidity of 71%.

Rainfall

In Fornebu, Norway, during May, the rain falls for 14.4 days and regularly aggregates up to 36mm (1.42") of precipitation. In Fornebu, during the entire year, the rain falls for 127.7 days and collects up to 307mm (12.09") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Fornebu. May is the last month it regularly snows in Fornebu. During 0.4 snowfall days, in May, Fornebu aggregates 2mm (0.08") of snow. Throughout the year, in Fornebu, Norway, there are 42.9 snowfall days, and 271mm (10.67") of snow is accumulated.

Daylight

The average length of the day in May is 17h and 10min.
On the first day of the month, sunrise is at 05:13 and sunset at 21:15. On the last day of May, in Fornebu, Norway, sunrise is at 04:07 and sunset at 22:22 CEST.

Sunshine

The average sunshine in May in Fornebu is 9.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the average May temperature in Fornebu?

In Fornebu, 14.4°C (57.9°F) is the average high-temperature and 5.5°C (41.9°F) is the average low-temperature during May.

What is the least humid month in Fornebu?

The least humid month in Fornebu is May, with an average relative humidity of 71%.

What is the average humidity in May in Fornebu?

In Fornebu, the average relative humidity in May is 71%.

How much does it rain in Fornebu in May?

In Fornebu, in May, during 14.4 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

What is the last month it snows in Fornebu?

May is the last month it regularly snows in Fornebu, Norway. During 0.4 snowfall days, in May, Fornebu aggregates 2mm (0.08") of snow.

How many hours of daylight does Fornebu have in May?

In May, the average day length is 17h and 10min.

What time are sunrise and sunset in May in Fornebu?

On the first day of May in Fornebu, Norway, sunrise is at 05:13 and sunset at 21:15. On the last day of the month, sunrise is at 04:07 and sunset at 22:22 CEST.

How long on average sun shines in May in Fornebu?

In May, the average sunshine duration in Fornebu is 9.1h.

When is the highest UV index in Fornebu?

The months with the highest UV index in Fornebu are May through August, with an average maximum UV index of 4.

What is the UV index reading in May in Fornebu?

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Fornebu, Norway

Average temperature in May - Fornebu, Norway
  • Average high temperature in May: 14.4°C

The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.4°C).

  • Average low temperature in May: 5.5°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 (-7.8°C).

Average pressure in May
Fornebu, Norway

Average pressure in May - Fornebu, 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
Fornebu, Norway

Average wind speed in May - Fornebu, Norway
  • Average wind speed in May: 9.6km/h

The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

Average humidity in May
Fornebu, Norway

Average humidity in May - Fornebu, Norway
  • Average humidity in May: 71%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).

Average rainfall in May
Fornebu, Norway

Average rainfall in May - Fornebu, Norway
  • Average rainfall in May: 36mm

The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in May
Fornebu, Norway

Average rainfall days in May - Fornebu, Norway
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in May
Fornebu, Norway

Average snowfall in May - Fornebu, Norway
  • Average snowfall in May: 2mm

The month with the highest snowfall is March (73mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Fornebu, Norway

Average snowfall days in May - Fornebu, Norway
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Fornebu, Norway

Average daylight in May / Average sunshine in May - Fornebu, Norway
  • Average daylight in May: 17h and 1min

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: 9h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).

Average sunshine days in May
Fornebu, Norway

Average sunshine days in May - Fornebu, Norway
  • Average sunshine days in May: 13.5 days

The month with the most sunshine days is December (18.3 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in May
Fornebu, Norway

Average UV index in May - Fornebu, 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 and February (UV index 1).

Average cloud cover in May
Fornebu, Norway

Average cloud cover in May - Fornebu, Norway
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 45).

Average visibility in May
Fornebu, Norway

Average visibility in May - Fornebu, Norway
  • Average visibility in May: 9km

The months with the highest visibility are April, May and June (9km).
The month with the lowest visibility is February (6km).

Fornebu, Norway

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