May weather forecastHarpefoss, Norway

May

Weather in May

The last month of the spring, May, is a frosty month in Harpefoss, Norway, with an average temperature ranging between max 8.8°C (47.8°F) and min -0.7°C (30.7°F).

Temperature

May's arrival is marked by an increase in the average high-temperature, moving from an icy 1.9°C (35.4°F) in April to a chilly 8.8°C (47.8°F). May nights are marked by an average low-temperature of -0.7°C (30.7°F).

Humidity

The average relative humidity in May is 80%.

Rainfall

In May, in Harpefoss, the rain falls for 15 days. Throughout May, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 122 rainfall days, and 286mm (11.26") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 2.2 snowfall days, in May, Harpefoss aggregates 16mm (0.63") of snow. In Harpefoss, during the entire year, snow falls for 74.6 days and aggregates up to 377mm (14.84") of snow.

Daylight

In May, the average length of the day is 17h and 37min.
On the first day of May in Harpefoss, sunrise is at 05:07 and sunset at 21:27. On the last day of the month, sunrise is at 03:53 and sunset at 22:43 CEST.

Sunshine

In May, the average sunshine in Harpefoss is 8.1h.

UV index

In Harpefoss, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, a daily UV index of 3 turns into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

The high-temperature, in May, in Harpefoss, is 8.8°C (47.8°F), while the low-temperature averages to -0.7°C (30.7°F).

The average relative humidity in May is 80%.

In Harpefoss, in May, during 15 rainfall days, 32mm (1.26") of precipitation is typically accumulated.

May is the last month it regularly snows. During 2.2 snowfall days, in May, Harpefoss aggregates 16mm (0.63") of snow.

In Harpefoss, the average day length in May is 17h and 37min.

In May, on the first day of the month, sunrise is at 05:07 and sunset at 21:27. On the last day of the month, sunrise is at 03:53 and sunset at 22:43 CEST.

In Harpefoss, the average sunshine duration in May is 8.1h.

In Harpefoss, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Harpefoss, Norway

  • Average high temperature in May: 8.8°C

The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (-7.5°C).

  • Average low temperature in May: -0.7°C

The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is January (-13.7°C).

Average pressure in May
Harpefoss, Norway

  • Average pressure in May: 1014.7mbar

The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.2mbar).

Average wind speed in May
Harpefoss, Norway

  • Average wind speed in May: 9.6km/h

The windiest month (with the highest average wind speed) is June (10.9km/h).
The calmest months (with the lowest average wind speed) are April and November (8.8km/h).

Average humidity in May
Harpefoss, Norway

  • Average humidity in May: 80%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is June (70%).

Average rainfall in May
Harpefoss, Norway

  • Average rainfall in May: 32mm

The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is January (11mm).

Average rainfall days in May
Harpefoss, Norway

  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (3.5 days).

Average snowfall in May
Harpefoss, Norway

  • Average snowfall in May: 16mm

The month with the highest snowfall is December (75mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Harpefoss, Norway

  • Average snowfall days in May: 2.2 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in May: 17h and 36min

The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).

  • Average sunshine in May: 8h and 6min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).

Average sunshine days in May
Harpefoss, Norway

  • Average sunshine days in May: 12.3 days

The months with the most sunshine days are January and October (16.8 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in May
Harpefoss, Norway

  • Average UV index in May: 3

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, October and December (UV index 1).

Average cloud cover in May
Harpefoss, Norway

  • Average cloud cover in May: 54

The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 49).

Average visibility in May
Harpefoss, Norway

  • Average visibility in May: 8km

The months with the highest visibility are June and July (9km).
The months with the lowest visibility are January, March, April and November (6km).