Climate and monthly weather forecastSkien, Norway
Climate and monthly weather forecast
The climate of Skien
Classified as Dfb or Humid Continental by the Köppen climate classification, Skien possesses a climate dominated by no dry season and a warm summer. Geographically, Skien is positioned with a significant tilt towards the temperate weather sphere, with the weather patterns changing distinctively as the seasons transition.Average temperatures demonstrate a fairly large annual range, with lows of -4.3°C (24.3°F) in January and February to highs of 19.7°C (67.5°F) in July. Noticeably, the temperature trajectory follows a sinusoidal pattern, with low temperatures prevalent from November to March, and a warm period bridging the gap from May to September. Humidity levels remain relatively stable throughout the year, with the lowest registered at 69% in May and the highest in February at 88%.
When it comes to rainfall, Skien exhibits an annual high of 85mm (3.35") in November, and the least amount of 29mm (1.14") falls in April. The year is generally wet, with the number of rainfall days peaking in July at 16.7 days and at a minimum in February, a month that experiences rain on 5.9 days on average. Furthermore, snowfall typically occurs from November to March, with January being the most snow-laden month with a reported 302mm (11.89") of snowfall. Correspondingly, daylight hours vary throughout the year, from lows of 6.3 hours to highs of 18.4 hours, reflecting the shifting seasonal patterns.
Wind speeds in Skien display minor variations across the year, with average annual wind speeds range from 10.7km/h (6.6mph) in August to 14.5km/h (9mph) in December. At its peak, wind gusts reach 25.3km/h (15.7mph) in December, making it the windiest month. Atmospheric pressure stays fairly stable, recording the lowest in December at 1007.9mb and the highest in April at 1014.5mb.
The best time to visit Skien
Considering the average weather conditions, the summer season from June to August appears to be the optimal period for visitors. Across these months, Skien enjoys warm temperatures of up to 19.7°C (67.5°F), relatively low humidity levels of around 72%, and the maximum available daylight hours, peaking at 18.4 hours in June. This span also tends to experience less snow and more sunshine, with the sun shining on average for a substantial 11.1 hours per day in June, enhancing the allure for outdoor activities and sightseeing.The worst time to visit Skien
Contrary to summer, December to March become particularly challenging months to visit Skien. Primarily, this is due to the prevailing cold weather, with temperatures tailing off to as low as -4.3°C (24.3°F). Snowfall is also rampant during these months, reaching 302mm (11.89") in January. Corresponding daylight hours fall drastically, peaking at a scant 6.3 hours in December. The harsh weather conditions in these colder parts of the year can challenge travel plans and limit outdoor activities.Spring weather in Skien
Spring ushers in Skien with rising temperatures and an enduring rainy season. Specifically, average temperatures rise from -2.1°C (28.2°F) in March to 9.1°C (48.4°F) in April, and 13.8°C (56.8°F) in May. Rainfall hovers at 52mm (2.05") in March but inclines to 58mm (2.28") in May. The period also welcomes an increase in daylight hours, reaching a lengthy 17 hours in May, along with an increase in sunshine hours to 9.4 hours.Summer weather in Skien
Summer in Skien is characterized by relative warmth, with the temperature reaching highs of 19.7°C (67.5°F) in July. Corresponding humidity levels remain fairly stable, hovering between 72% to 74%. Rainfall also displays an uptick during this season, reaching 72mm (2.83") in July, the peak of the rain days notched at 16.7 in July. This season also boasts the most daylight hours and the maximum number of sunshine hours, contributing to the overall pleasant weather conditions.Autumn weather in Skien
During the transition into Autumn, Skien experiences a gradual decline in temperatures, slipping from 14.7°C (58.5°F) in September to 4.1°C (39.4°F) in November. Average rainfall peaks during this time, with November recording a significant 85mm (3.35"). Alongside this, the amount of sunshine and daylight hours decrease, dipping to 7.7 daylight hours and 3.8 sunshine hours in November. Autumn is thematically marked by colder weather and shorter days.Winter weather in Skien
The winter in Skien is harsh and challenging, with average low temperatures spiraling to -4.3°C (24.3°F) between January and February. Coupled with this, snowfall is prevalent, with January bearing the brunt, witnessing 302mm (11.89") of snowfall. Relatively fewer daylight hours of 6.3 in December and 7.1 in January, coupled with scarce sunshine hours, create a generally gloomy and relentless cold atmosphere throughout these months.Weather in January
January in Skien, Norway, is characterized by freezing temperatures, marked by an average high of -0.7°C (30.7°F) and a chilling low of -4.3°C (24.3°F). This first month of the year welcomes residents with a noticeable layer of snowfall, an integral part of Norwegian winters. Weather in January »Weather in February
Skien's climate in February, more or less, mirrors that of January. The maximum average temperature creeps slightly up to -0.6°C (30.9°F), it's still a month full of frosty mornings and freezing nights. Snowfall continues to prevail, turning the city into an ideal hotspot for winter scenery and snow sports. Weather in February »Weather in March
By the time March rolls around in Skien, the weather starts breaking free from winter's firm grasp. The noticeable increase in average high temperatures to 3.1°C (37.6°F) demonstrates the gradual warming trend. In addition, the slimming layer of snow paves the way for occasional bouts of rainfall, signaling the arrival of spring. Weather in March »Weather in April
April's weather in Skien distinctly shifts towards a warmer spectrum, with temperatures experiencing a healthy increase to an average high of 9.1°C (48.4°F). While remnants of the snowy cover might still linger in frozen shadows, most of Skien welcomes spring rains instead. Weather in April »Weather in May
May in Skien, with an average maximum temperature of 13.8°C (56.8°F), is pleasantly mild. The full onset of spring is characterized by a longer span of daylight, allowing the flourishing biodiversity of the city to bask in the warmer sun. Weather in May »Weather in June
Summer announces its arrival in Skien clearly by June. With the highest average temperature jumping to 17.6°C (63.7°F), summer activities are in full swing. The sublime Norwegian landscapes serve as great sightseeing spots and the longer daylight hours offer extended opportunities for exploration. Weather in June »Weather in July
The peak summer month of July in Skien presents itself with the highest average temperatures of the year, rising to 19.7°C (67.5°F). As the warmest month, July encourages an increase in outdoor recreational activities, water sports, and nature exploration. Weather in July »Weather in August
August in Skien sees a slight reduction in temperature with an average maximum of 18.7°C (65.7°F). However, the overall weather still reverberates the warmth of summer. Regular rainfall contributes to the health of the city's flora, keeping the landscape vibrant. Weather in August »Weather in September
September in Skien introduces the early signs of autumn. The decreasing temperature, with an average maximum of 14.7°C (58.5°F), heralds fall's imminent arrival. However, sunlight hours remain considerable, allowing ample time for daytime activities. Weather in September »Weather in October
October in Skien takes a definitive step towards autumn. The noticeable drop in average maximum temperatures to 9.1°C (48.4°F) brings about an increase in rainfall and a decrease in sunlight hours. A profound transition greets residents as the city wraps itself in the warm tones of fall. Weather in October »Weather in November
November in Skien leans into the colder side, with the monthly high averaging around 4.1°C (39.4°F). It’s evident in the crisper air and shorter days that winter is nearing once again. Snowfall makes a comeback towards the end of the month, blanketing the cityscape in white. Weather in November »Weather in December
Lastly, December in Skien solidly marks the return of winter. As temperatures continue to slide towards freezing, with a high around 0.7°C (33.3°F), snowfall reaches its zenith. The city presents itself as a winter wonderland perfectly set against the backdrop of the festive season. 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
Skien's January weather reaches an average high of -0.7°C (30.7°F) and an average low of -4.3°C (24.3°F), making it the coldest month.
Throughout the year, in Skien, Norway, there are 142.3 rainfall days, and 756mm (29.76") of precipitation is accumulated.
January through May, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 12.5 days and typically aggregates up to 302mm (11.89") of snow.
In Skien, Norway, during the entire year, snow falls for 52 days and aggregates up to 1085mm (42.72") of snow.
The months with the least sunshine are January and December, with an average of 3.4h of sunshine.
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Skien, Norway.
The most humid month in Skien, Norway, is February, with an average relative humidity of 88%.
The month with the least rainfall in Skien is April, when the rain falls for 10.3 days and typically collects 29mm (1.14") of precipitation.
With an average relative humidity of 69%, May is the least humid month.
June through September are months without snowfall in Skien.
June has the longest days of the year, with an average of 18h and 24min of daylight.
June has the most sunshine of the year in Skien, Norway, with an average of 11.1h of sunshine.
Skien's temperature records reveal July as the warmest month, marked by average highs of 19.7°C (67.5°F) and lows of 11.8°C (53.2°F).
With an average maximum UV index of 5, July is the month with the highest UV index in Skien, Norway.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Skien, Norway, 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.
The month with the most rainfall in Skien is November, when the rain falls for 11.9 days and typically aggregates up to 85mm (3.35") of precipitation.
December has the shortest days of the year in Skien, Norway, with an average of 6h and 18min of daylight.
Average temperature
Skien, Norway
The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is January (-0.7°C).
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is February (-4.7°C).
Average pressure
Skien, Norway
- Average pressure in January:
1010.9mbar - Average pressure in February:
1011.1mbar - Average pressure in March:
1012.2mbar - Average pressure in April:
1014.5mbar - Average pressure in May:
1014.2mbar - Average pressure in June:
1012.2mbar
- Average pressure in July:
1010.7mbar - Average pressure in August:
1011.3mbar - Average pressure in September:
1012.7mbar - Average pressure in October:
1013.5mbar - Average pressure in November:
1009.9mbar - Average pressure in December:
1007.9mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed
Skien, Norway
- Average wind speed in January:
14.4km/h - Average wind speed in February:
13.1km/h - Average wind speed in March:
12.7km/h - Average wind speed in April:
12km/h - Average wind speed in May:
11.8km/h - Average wind speed in June:
11.1km/h
- Average wind speed in July:
10.9km/h - Average wind speed in August:
10.7km/h - Average wind speed in September:
12.7km/h - Average wind speed in October:
13.2km/h - Average wind speed in November:
14km/h - Average wind speed in December:
14.5km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity
Skien, Norway
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (69%).
Average rainfall
Skien, Norway
The wettest month (with the highest rainfall) is November (85mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days
Skien, Norway
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
14.5 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
11.9 days - Average rainfall days in December:
9.7 days
The months with the highest number of rainy days are July and August (16.7 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Skien, Norway
The month with the highest snowfall is January (302mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Skien, Norway
- Average snowfall days in January:
12.5 days - Average snowfall days in February:
12.4 days - Average snowfall days in March:
9.9 days - Average snowfall days in April:
2.5 days - Average snowfall days in May:
0.3 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:
0.8 days - Average snowfall days in November:
5.3 days - Average snowfall days in December:
8.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Skien, Norway
- Average daylight in January:
7h and 6min - Average daylight in February:
9h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 30min - Average daylight in May:
17h and 0min - Average daylight in June:
18h and 24min
- Average daylight in July:
17h and 42min - Average daylight in August:
15h and 24min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 12min - Average daylight in November:
7h and 42min - Average daylight in December:
6h and 18min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 42min - Average sunshine in April:
8h and 36min - Average sunshine in May:
9h and 24min - Average sunshine in June:
11h and 6min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
9h and 30min - Average sunshine in September:
7h and 48min - Average sunshine in October:
4h and 30min - Average sunshine in November:
3h and 48min - Average sunshine in December:
3h and 24min
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 24min).
Average sunshine days
Skien, Norway
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
17.9 days - Average sunshine days in May:
13.9 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
12.8 days - Average sunshine days in December:
14.4 days
The month with the most sunshine days is April (17.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index
Skien, Norway
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Skien, Norway
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility
Skien, Norway
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (8km).
