May weather forecast
Alstahaug, Norway

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Weather in May

In May, Alstahaug begins to feel real effects of spring. It's a dramatic change from the hefty snowfalls of the winter months, with the amount reducing to 42mm (1.65"). The city observes an increase in daylight and sunshine hours, making it an ideal time for outdoor activities. As temperatures rise slightly, locals and tourists alike enjoy the natural beauty of the location. The occurrence of warmer weather signals the near arrival of summer, creating anticipation for outdoor lovers.

Temperature

The start of May in Alstahaug brings a subtle rise in the average high-temperature, moving from an icy 4.4°C (39.9°F) in April to a frosty 8.3°C (46.9°F). A mean low-temperature of 5.6°C (42.1°F) is anticipated during the month of May, a slight step down from the daytime high.

Humidity

In Alstahaug, the average relative humidity in May is 76%.

Rainfall

May is the month with the least rainfall in Alstahaug. Rain falls for 14.5 days and accumulates 41mm (1.61") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Alstahaug. During 2.8 snowfall days, in May, Alstahaug aggregates 42mm (1.65") of snow. In Alstahaug, during the entire year, snow falls for 50 days and aggregates up to 486mm (19.13") of snow.

Daylight

In Alstahaug, Norway, the average length of the day in May is 19h and 19min.
On the first day of May in Alstahaug, sunrise is at 04:24 and sunset at 21:49. On the last day of the month, sunrise is at 02:24 and sunset at 23:51 CEST.

Sunshine

In Alstahaug, the average sunshine in May is 9.5h.

UV index

The average daily maximum UV index in May in Alstahaug is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 3 in May leads to these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the temperature in May in Alstahaug?

The high-temperature in Alstahaug, Norway, during May is 8.3°C (46.9°F) and the low-temperature is 5.6°C (42.1°F).

What is the average humidity in May in Alstahaug?

The average relative humidity in May in Alstahaug, Norway, is 76%.

What is the driest month in Alstahaug?

May is the month with the least rainfall. Rain falls for 14.5 days and accumulates 41mm (1.61") of precipitation.

How much does it rain in Alstahaug in May?

In Alstahaug, Norway, in May, it is raining for 14.5 days, with typically 41mm (1.61") of accumulated precipitation.

What is the last month it snows in Alstahaug?

May is the last month it regularly snows in Alstahaug. During 2.8 snowfall days, in May, Alstahaug aggregates 42mm (1.65") of snow.

What is the average length of the day in May in Alstahaug?

The average day length in May is 19h and 19min.

When is the sunrise / sunset in May in Alstahaug?

On the first day of May in Alstahaug, Norway, sunrise is at 04:24 and sunset at 21:49. On the last day of the month, sunrise is at 02:24 and sunset at 23:51 CEST.

How long on average sun shines in May in Alstahaug?

In May, the average sunshine duration in Alstahaug is 9.5h.

How high is the UV index in May in Alstahaug?

In Alstahaug, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Alstahaug, Norway

Average temperature in May - Alstahaug, Norway
  • Average high temperature in May: 8.3°C

The warmest month (with the highest average high temperature) is August (14.5°C).
The months with the lowest average high temperature are January and February (1.2°C).

  • Average low temperature in May: 5.6°C

The month with the highest average low temperature is August (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-1.5°C).

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Average pressure in May
Alstahaug, Norway

Average pressure in May - Alstahaug, Norway
  • Average pressure in May: 1014.3mbar

The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1001.9mbar).

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Average wind speed in May
Alstahaug, Norway

Average wind speed in May - Alstahaug, Norway
  • Average wind speed in May: 17.6km/h

The windiest month (with the highest average wind speed) is January (27.7km/h).
The calmest month (with the lowest average wind speed) is July (15.6km/h).

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Average humidity in May
Alstahaug, Norway

Average humidity in May - Alstahaug, Norway
  • Average humidity in May: 76%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in May
Alstahaug, Norway

Average rainfall in May - Alstahaug, Norway
  • Average rainfall in May: 41mm

The wettest month (with the highest rainfall) is September (94mm).
The driest month (with the least rainfall) is May (41mm).

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Average rainfall days in May
Alstahaug, Norway

Average rainfall days in May - Alstahaug, Norway
  • Average rainfall days in May: 14.5 days

The month with the highest number of rainy days is September (19 days).
The month with the least rainy days is February (8.1 days).

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Average snowfall in May
Alstahaug, Norway

Average snowfall in May - Alstahaug, Norway
  • Average snowfall in May: 42mm

The month with the highest snowfall is March (106mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in May
Alstahaug, Norway

Average snowfall days in May - Alstahaug, Norway
  • Average snowfall days in May: 2.8 days

The month with the highest number of snowfall days is March (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Alstahaug, Norway
  • Average daylight in May: 19h and 2min

The month with the longest days is July (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 3h and 12min).

  • Average sunshine in May: 9h and 3min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).

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Average sunshine days in May
Alstahaug, Norway

Average sunshine days in May - Alstahaug, Norway
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is January (13.1 days).
The months with the least sunshine days are March and September (9.8 days).

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Average UV index in May
Alstahaug, Norway

Average UV index in May - Alstahaug, Norway
  • Average UV index in May: 3

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in May
Alstahaug, Norway

Average cloud cover in May - Alstahaug, Norway
  • Average cloud cover in May: 54

The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 51).

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Average visibility in May
Alstahaug, Norway

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

The months with the highest visibility are June, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, July, November and December (9km).

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Alstahaug, Norway

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