Climate and monthly weather forecastHønefoss, Norway
Climate and monthly weather forecast
The climate of Hønefoss
Hønefoss, nestled in the heartland of Norway, inhabits a climatic regime categorized as Dfc by the Köppen climate classification system. This subarctic classification embodies a harsh winter with no dry season and a cool summer. Throughout the calendar year, Hønefoss exhibits a wide array of weather phenomena and year-round temperatures that vary robustly from highs of 20.1°C (68.2°F) in July to lows dipping to -8.8°C (16.2°F) in February.Rainfall is consistent throughout the year with the rainiest month being July, averaging 73mm (2.87"). Conversely, April tends to be the driest month with an average rainfall of 26mm (1.02"). Interestingly, rainfall days number does not consistently align with the rainfall amounts. November ranks highest in the number of rainfall days, averaging 19.3 days, yet the rainfall amounts do not correspondingly peak.
Snowfall in Hønefoss is considerable during the winter months. A soaring peak in snowfall emerges from December to February, soaring to 295mm (11.61") in January, whilst absent in the period June to September. Coinciding with snowfall, the number of snowfall days peaks in January with 15.4 days and falls flat from May to September, where no snowfall days are recorded.
On average, Hønefoss holds a thick cloud coverage of 50% to 63%, highest in February and lowest in June. This cloud cover influences the average sunshine hours which are highest in June at 11.6 hours and drop to the lowest in December at 3.3 hours.
The best time to visit Hønefoss
The climate conditions in Hønefoss favour visits during the summer months, from June to August. These months usher in the highest average temperatures ranging from 17.8°C (64°F) to 20.1°C (68.2°F). Additionally, the summer months have extended hours of sunshine, peaking at 18.8 hours in June and July. Relative humidity during this period runs lower than in other months, providing a comfortable warmth for outdoor activities.The worst time to visit Hønefoss
The subarctic winters in Hønefoss, particularly from December to February, present challenging weather conditions for visitors. The temperatures plunge to a frigid low of -8.8°C (16.2°F) in February, and snowfall continually peaks throughout these months. Furthermore, daylight hours dwindle to a mere 6 hours in December, offering a scant amount of sunshine for sightseeing ventures and outdoor excursions.Spring weather in Hønefoss
Spring in Hønefoss, defined as the months from March to May, is characterized by gradually climbing temperatures and increasing daylight hours. Temperatures in this period fluctuate from as low as -5.6°C (21.9°F) in March to as high as 14°C (57.2°F) in May. Simultaneously, daylight hours increase from 11.8 hours in March to 17.2 hours in May, expanding the window of time for outdoor activities. However, this season also ushers in increased rainfall starting in April, intensifying in May with an average of 64mm (2.52").Summer weather in Hønefoss
Summers in Hønefoss usher in the warmest climate of the year, with temperatures peaking at 20.1°C (68.2°F) in July. The extended daylight hours provide ample opportunities for exploration and adventure, peaking at 18.8 hours in June and July. Although this period experiences the highest rainfall in millimetres, the number of rainy days is not the highest, affording several opportunities for clear outdoor activities.Autumn weather in Hønefoss
The autumn months in Hønefoss, encompassing September to November, are noted for falling temperatures, ranging from 13.9°C (57°F) in September to 1.3°C (34.3°F) in November. Concurrent with descending temperatures is a decrease in daylight hours, shortening from 12.9 hours in September to 7.5 hours in November. Fortunately, while the rainfall totals increase in these months, the number of rainfall days does not increase, providing several opportunities for outdoor exploits.Winter weather in Hønefoss
The winter period in Hønefoss, February inclusive, creates a frosty scene with temperatures plummeting and snowfall surging. Temperatures snake downwards reaching -8.8°C (16.2°F) in February whilst snowfall runs excessively high with averages from 173mm (6.81") to 295mm (11.61"). The chilling temperatures coupled with significant snowfall can create visual splendours but restrictive conditions for outdoor ventures.Weather in January
The winter grips Hønefoss tightly in January. Cold temperatures persist, reaching lows of -8.6°C (16.5°F), and the city witnesses heavy snowfall that perpetuates the winter wonderland. Preparation for the harsh weather is essential to thrive in this month. Weather in January »Weather in February
Moving from January to February, there's a slight thaw as temperatures rise a little but the winter scenery continues to flourish with consistent snowfall. While the snowfall is slightly less compared to January, it contributes to the 248mm (9.76") of snow that carpets the city. Weather in February »Weather in March
March signals a transition from the heart of winter to the expectations of spring. The city experiences the thaw of winter with a slight increase in temperatures. A shift from snow to rain is notable, contributing to the monthly total rainfall of 39mm (1.54"), a significant departure from the winter's heavy snow. Weather in March »Weather in April
April sees the departure of winter's grip with warming temperatures and more frequent rainfall, marking a significant shift in Hønefoss's weather pattern. While the temperatures fluctuate from 0.1°C (32.2°F) to 8°C (46.4°F), it marks the turn towards warmer days. Weather in April »Weather in May
In May, Hønefoss starts feeling like summer. The flowers are in bloom, and the temperatures continue to rise steadily. Rainfall hits a high of 64mm (2.52"), acting as a vital water source for the emerging greenery. With the warmer weather, people flock to outdoor spaces to bask in the abundant sunshine. Weather in May »Weather in June
June presents the peak of summer in Hønefoss with long hours of sunshine and warm temperatures. The hottest month of the year sees temperatures rising to a balmy 17.8°C (64°F), inviting residents and visitors to fully embrace outdoor activities. Weather in June »Weather in July
July continues the summer spree with warm temperatures, rivaling June's weather. Despite the persistent allure of warm weather, rain showers are frequent this month, with precipitation reaching a maximum of 73mm (2.87"). The occasional rain shower provides a refreshing break from the summer heat. Weather in July »Weather in August
August signals a cool-down from the summer's peak. The temperatures start to retreat slowly from the highs of July, giving way to slightly cooler days. Rainfall continues to be plentiful, nudging the landscape towards lush green expanses. Weather in August »Weather in September
In September, there's a shift in the air as Hønefoss welcomes autumn. The foliage begins to change color, painting the town in hues of red, orange, and gold. Despite the rainfall lowering to 53mm (2.09"), the dropped leaves create a picturesque backdrop for this enchanting Norwegian town. Weather in September »Weather in October
October is characterized by shorter days and colder nights as the city prepares for winter. The first dusting of snow may occur, providing a foretaste of the approaching winter. Trees shed their leaves in full measure, adding to the city's rustic charm. Weather in October »Weather in November
November marks the onset of winter in Hønefoss. The temperatures drop more significantly, slipping into the freezing zone. The snowfall goes up considerably, accumulating 173mm (6.81") of snow, carpeting the city in a white blanket. Weather in November »Weather in December
December immerses Hønefoss in the wonder of Winter. The quiet calm of falling snow, reaching up to 231mm (9.09"), dominates the scene, turning the city into a winter wonderland. Delighting in the magic of the festive season under the falling snowflakes offers a unique experience. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hønefoss, Norway
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (-3.8°C).
The month with the highest average low temperature is July (10.1°C).
The coldest month (with the lowest average low temperature) is February (-8.8°C).
Average pressure
Hønefoss, Norway
- Average pressure in January:
1011.3mbar - Average pressure in February:
1011.4mbar - Average pressure in March:
1012.2mbar - Average pressure in April:
1014.6mbar - Average pressure in May:
1014.3mbar - Average pressure in June:
1012.1mbar
- Average pressure in July:
1010.5mbar - Average pressure in August:
1011.2mbar - Average pressure in September:
1012.5mbar - Average pressure in October:
1013.8mbar - Average pressure in November:
1010.5mbar - Average pressure in December:
1008mbar
The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed
Hønefoss, Norway
- Average wind speed in January:
8.1km/h - Average wind speed in February:
7.9km/h - Average wind speed in March:
8.1km/h - Average wind speed in April:
8.3km/h - Average wind speed in May:
8.5km/h - Average wind speed in June:
8.1km/h
- Average wind speed in July:
7.7km/h - Average wind speed in August:
7.3km/h - Average wind speed in September:
8.3km/h - Average wind speed in October:
7.8km/h - Average wind speed in November:
7.7km/h - Average wind speed in December:
8.1km/h
The windiest month (with the highest average wind speed) is May (8.5km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).
Average humidity
Hønefoss, Norway
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (70%).
Average rainfall
Hønefoss, Norway
The wettest month (with the highest rainfall) is July (73mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days
Hønefoss, Norway
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
5.2 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
19.3 days - Average rainfall days in August:
18 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
9.9 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Hønefoss, Norway
- Average snowfall in January:
295mm - Average snowfall in February:
248mm - Average snowfall in March:
278mm - Average snowfall in April:
53mm - Average snowfall in May:
32mm - Average snowfall in June:
0mm
The month with the highest snowfall is January (295mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Hønefoss, Norway
- Average snowfall days in January:
15.4 days - Average snowfall days in February:
14.6 days - Average snowfall days in March:
12.1 days - Average snowfall days in April:
4.7 days - Average snowfall days in May:
1.3 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:
1.6 days - Average snowfall days in November:
8.2 days - Average snowfall days in December:
11.7 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hønefoss, Norway
- Average daylight in January:
6h and 48min - Average daylight in February:
9h and 12min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 36min - Average daylight in May:
17h and 12min - Average daylight in June:
18h and 48min
- Average daylight in July:
18h and 0min - Average daylight in August:
15h and 36min - Average daylight in September:
12h and 54min - Average daylight in October:
10h and 6min - Average daylight in November:
7h and 30min - Average daylight in December:
6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in January:
3h and 18min - Average sunshine in February:
3h and 36min - Average sunshine in March:
5h and 6min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 54min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
8h and 42min - Average sunshine in September:
7h and 24min - Average sunshine in October:
4h and 30min - Average sunshine in November:
3h and 42min - Average sunshine in December:
3h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days
Hønefoss, Norway
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
12.6 days - Average sunshine days in March:
16 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
16 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
15.5 days
The months with the most sunshine days are March and October (16 days).
The month with the least sunshine days is July (9 days).
Average UV index
Hønefoss, Norway
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, February and December (UV index 1).
Average cloud cover
Hønefoss, Norway
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is June (Cloud cover 46).
Average visibility
Hønefoss, Norway
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February and March (6km).








