Climate and monthly weather forecastAlstahaug, Norway
Climate and monthly weather forecast
The climate of Alstahaug
Alstahaug, Norway, is encompassed within the Köppen climate classification Cfc, otherwise known as a Marine west coast climate with a cool summer. Being located on the western coastline of Norway, the weather here is characterized by cool summers and mild winters. Various climatological factors play a significant role in shaping the overall weather patterns in this region.Throughout the year, Alstahaug witnesses a relatively constant relative humidity ranging from 73% to 80%. This elevated level of moisture often leads to considerable cloud cover with percentages fluctuating between 51% and 67%. Consequently, Alstahaug experiences relatively low sunshine hours, ranging from as low as 1.4 hours to a maximum of 9.8 hours.
The temperatures here vary significantly over the year, with the highs ranging from 1.2°C (34.2°F) in the peak winter months to 14.5°C (58.1°F) in the height of summer. Also, the lows oscillate between minus 1.5°C (34.7°F) in winter to a pleasant 11.9°C (53.4°F) during summer. Rainfall, too, shows a wide monthly variation, from a low of 41mm (1.61") in early summer to a high of 94mm (3.7") in the autumn months.
Interestingly, Alstahaug experiences snowfall for more than half the year, with no snow from June to September. Also noteworthy is the wind speed, with gusts reaching up to 37.9km/h (23.6mph) during winter, while in the summer, the speeds are much milder, averaging around 15 to 18km/h (11.2mph).
The Best Time to Visit Alstahaug
Arguably, the best time to visit Alstahaug would be during the summer months from June to August. During this time, temperatures reach their peak, with an average high of 14°C (57.2°F) to 14.5°C (58.1°F) and a low of 11.3°C (52.3°F) to 11.9°C (53.4°F). Sunshine hours in these months peak with 9.8 hours to 3.9 hours, offering daylight from 20.9 to 23.3 hours to explore the town and its surroundings. There is no snowfall, and the wind speeds are considerably milder compared to the other months.The Worst Time to Visit Alstahaug
Holidaymakers seeking a comfortable visit may find the winter months of December, January, and February less appealing. During this period, temperatures are at their lowest, rainfall is heavier, and snowfall is at its peak, ranging from 68mm (2.68") to 97mm (3.82"). The high wind speeds, often reaching up to 27.1 to 27.7km/h (17.2mph), accompanied by minimal sunshine hours, might not provide the most favorable conditions for sightseeing and outdoor activities.Spring Weather in Alstahaug
Spring in Alstahaug witnesses a gradual transition from the chilly winter to the mild summer. From March to May, high temperatures range from 2.1°C (35.8°F) to 8.3°C (46.9°F), while the lows vary from minus 0.8°C (33.4°F) to 5.6°C (42.1°F). Rainfall increase in April and May, going up to 52mm (2.05") and 41mm (1.61"), respectively. Towards the end of spring, the snow begins to recede, with no snowfall in May. Days start getting longer, with daylight hours extending from 11.8 hours to 19.3 hours towards the end of spring.Summer Weather in Alstahaug
Summer from June to August in Alstahaug is marked by mild temperatures, abundant daylight, and most importantly, absence of snowfall. The highs and lows in temperature oscillate between 11°C (51.8°F) to 14.5°C (58.1°F) and 8.5°C (47.3°F) to 11.9°C (53.4°F), respectively. Sunshine hours vary widely from 3.9 hours to 9.8 hours, but the absence of snowfall and milder wind speeds make this period relatively pleasant.Autumn Weather in Alstahaug
Autumn sees a drop in temperatures from 12.2°C (54°F) to 5.4°C (41.7°F) and lows of 9.8°C (49.6°F) to 3.2°C (37.8°F) between September and November. Rainfall tends to peak during this season, with the maximum annual rainfall of 94mm (3.7") recorded in September. Snowfall returns in November, while daylight hours shrink from 13.1 hours to 5.9 hours. Despite these conditions, the scenic beauty of autumn can be quite appealing for nature lovers.Winter Weather in Alstahaug
Winter in Alstahaug from December to February is characterized by sub-zero temperatures, heavy snowfall, and high wind speeds. High temperatures rest between 1.2°C (34.2°F) and 2.7°C (36.9°F), and lows can drop to minus 1.5°C (34.7°F). Snowfall ranges from as high as 80mm (3.15") to 97mm (3.82"), with the maximum number of snowfall days occurring in these months. However, the ethereal beauty of the snow-clad landscape during this season can be quite a sight to behold for those willing to endure the chill.Weather in January
The start of the New Year in Alstahaug, Norway features wintry conditions with brisk winds. January around here is characterized by frequent snowfall and short daylight hours. With an average relative humidity of 77%, the air feels considerably moist. Weather in January »Weather in February
February continues with the cold winter mood, seeing a reduction in snowfall from what was observed in January. The city continues to experience low temperatures and high relative humidity. Snowfall is still high in February, reaching up to 97mm (3.82"). Weather in February »Weather in March
As spring approaches, the weather in Alstahaug experiences slight changes with an increase in daylight hours compared to February. Nonetheless, the city remains gripped by winter's influence. Locals anticipate snowfall reaching 106mm (4.17"), although there is a gradual decrease in snowfall days. Weather in March »Weather in April
The arrival of April marks the transition from winter to spring. With snowfall drastically dropping to 56mm (2.2"), there's a strong indication of winter loosening its grip. Weather-wise, conditions become more pleasant, and daylight hours increase considerably from previous months. Weather in April »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. Weather in May »Weather in June
As the calendar turns to June, Alstahaug embraces the summer season. The city witnesses daylight hours stretching as much as 23.3 hours on the longest days of the year. Conditions become warm, and snowfall disappears entirely as temperatures rise. Weather in June »Weather in July
July ushers in the peak of summer, and Alstahaug becomes a hub of outdoor activities. The weather is characterized by increased sunshine compared to the previous months. Visitors and residents experience the highest temperatures of the year, reaching up to 14.5°C (58.1°F). Weather in July »Weather in August
The month of August in Alstahaug sees a continuation of the warm and pleasant weather. However, there's a slight reduction in temperatures compared to July's peak. These conditions still favor outdoor activities, attracting a good number of adventure enthusiasts. Weather in August »Weather in September
September in Alstahaug is a transition period from summer to autumn. With temperatures usually dropping, the amount of rainfall increases to around 94mm (3.7"). The city retains a relative warmth from summer, making it possible to enjoy outdoor activities. Weather in September »Weather in October
October in Alstahaug unfolds the full spectacle of the fall season. There's a decline in temperatures which paints the city's landscape with vibrant fall colors. With an average rainfall amounting to 79mm (3.11"), locals equip themselves with rain gear. Weather in October »Weather in November
November marks the advent of the winter season in Alstahaug. Temperatures drop further, and the first snowfall begins to be observed after summer. The city anticipates a modest snowfall of about 27mm (1.06"), indicating the start of the cold season. Weather in November »Weather in December
In December, Alstahaug dives deep into the winter season. The city experiences the most extended nights of the year, with daylight hours dropping to just 3.2 on average. Snowfall intensifies as the city braces itself for heavy snowfall amounting to 68mm (2.68"). Weather in December »Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January and February are the coldest months in Alstahaug, Norway, with an average high-temperature of 1.2°C (34.2°F).
Throughout the year, there are 171.6 rainfall days, and 758mm (29.84") of precipitation is accumulated.
January through May, October through December are months with snowfall in Alstahaug.
Throughout the year, in Alstahaug, Norway, there are 50 snowfall days, and 486mm (19.13") of snow is accumulated.
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Alstahaug.
The month with the most snowfall in Alstahaug is March, when snow falls for 10.9 days and typically aggregates up to 106mm (4.17") of snow.
May is the month with the least rainfall in Alstahaug, Norway. Rain falls for 14.5 days and accumulates 41mm (1.61") of precipitation.
June through September are months without snowfall.
The months with the highest UV index are June and July, with an average maximum UV index of 4.
With an average relative humidity of 80%, July is the most humid month in Alstahaug, Norway.
July has the longest days of the year, with an average of 20h and 48min of daylight.
July has the most sunshine of the year in Alstahaug, Norway, with an average of 9.8h of sunshine.
August brings the highest temperatures in Alstahaug, with an average high of 14.5°C (58.1°F) and an average low of 11.9°C (53.4°F).
September is the month with the most rainfall in Alstahaug, Norway. Rain falls for 19 days and accumulates 94mm (3.7") of precipitation.
October is the least humid month, with an average relative humidity of 73%.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
December has the shortest days of the year, with an average of 3h and 12min of daylight.
With an average of 1.4h of sunshine, December has the least sunshine of the year in Alstahaug.
Average temperature
Alstahaug, Norway
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).
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).
Average pressure
Alstahaug, Norway
- Average pressure in January:
1005.8mbar - Average pressure in February:
1006.2mbar - Average pressure in March:
1007mbar - Average pressure in April:
1011.9mbar - Average pressure in May:
1014.3mbar - Average pressure in June:
1013mbar
- Average pressure in July:
1011.2mbar - Average pressure in August:
1010.5mbar - Average pressure in September:
1009.5mbar - Average pressure in October:
1010mbar - Average pressure in November:
1006.4mbar - Average pressure in December:
1001.9mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1001.9mbar).
Average wind speed
Alstahaug, Norway
- Average wind speed in January:
27.7km/h - Average wind speed in February:
25.5km/h - Average wind speed in March:
25.5km/h - Average wind speed in April:
20km/h - Average wind speed in May:
17.6km/h - Average wind speed in June:
16.8km/h
- Average wind speed in July:
15.6km/h - Average wind speed in August:
16.5km/h - Average wind speed in September:
20.6km/h - Average wind speed in October:
23.3km/h - Average wind speed in November:
25km/h - Average wind speed in December:
27.1km/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).
Average humidity
Alstahaug, Norway
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Alstahaug, Norway
The wettest month (with the highest rainfall) is September (94mm).
The driest month (with the least rainfall) is May (41mm).
Average rainfall days
Alstahaug, Norway
- Average rainfall days in January:
10.2 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
14.5 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
17.7 days - Average rainfall days in September:
19 days - Average rainfall days in October:
17.4 days - Average rainfall days in November:
14.6 days - Average rainfall days in December:
13.2 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).
Average snowfall
Alstahaug, Norway
The month with the highest snowfall is March (106mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Alstahaug, Norway
- Average snowfall days in January:
7.9 days - Average snowfall days in February:
9.9 days - Average snowfall days in March:
10.9 days - Average snowfall days in April:
6.5 days - Average snowfall days in May:
2.8 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.5 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
6.8 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).
Average daylight / Average sunshine
Alstahaug, Norway
- Average daylight in January:
4h and 48min - Average daylight in February:
8h and 18min - Average daylight in March:
11h and 48min - Average daylight in April:
15h and 24min - Average daylight in May:
19h and 18min - Average daylight in June:
9h and 42min
- Average daylight in July:
20h and 48min - Average daylight in August:
16h and 48min - Average daylight in September:
13h and 6min - Average daylight in October:
9h and 30min - Average daylight in November:
5h and 54min - Average daylight in December:
3h and 12min
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 January:
1h and 48min - Average sunshine in February:
3h and 36min - Average sunshine in March:
4h and 12min - Average sunshine in April:
6h and 12min - Average sunshine in May:
9h and 30min - Average sunshine in June:
3h and 54min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
8h and 36min - Average sunshine in September:
6h and 6min - Average sunshine in October:
4h and 12min - Average sunshine in November:
2h and 42min - Average sunshine in December:
1h and 24min
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).
Average sunshine days
Alstahaug, Norway
- Average sunshine days in January:
13.1 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
9.8 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
9.8 days - Average sunshine days in October:
11.6 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
11.9 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).
Average UV index
Alstahaug, Norway
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).
Average cloud cover
Alstahaug, Norway
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 51).
Average visibility
Alstahaug, Norway
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).
