Climate and monthly weather forecastHärnösand, Sweden
Climate and monthly weather forecast
The climate of Härnösand
The climate in Härnösand, located in the central parts of Sweden, falls into the Subarctic zone of the Köppen climate classification, known as Dfc. The Dfc climate denotes a region afflicted by severe winters, and there is no dry season in this geographical location, with the summers being cool. A hallmark of this Dfc climate can be seen with a significant amount of snowfall during winters.Throughout the year, the temperature soars from minus 4.3°C (39.7°F) to 18.2°C (64.8°F) and plunges from 17.4°C (63.3°F) to minus 5°C (41°F). It is observed that the highest temperature, registered at 18.2°C (64.8°F), occurs in July while the lowest temperature, recorded at minus 5°C (41°F) is seen in February. This city experiences a significant shift in the type of precipitation it receives as the year progresses. The snowfall, with peaks of 150mm (5.91") in January, gradually transitions to bouts of rainfall by May, with the most rain, 36mm (1.42"), occurring in December and January. As expected from a subarctic climate, several days of snowfall are experienced during winter, with January witnessing around 14.9 snowy days.
Interestingly, the amount of daylight significantly varies throughout the year. A minimum of 6.1 hours is observed in January and a maximum of 19.9 hours in June. Concurrently, the number of sunshine hours follows a similar pattern, with January providing 2.5 hours and June going up to 13.1 hours.
The best time to visit Härnösand
With temperate conditions and long daylight hours, June to August are considered the best months to visit Härnösand, Sweden. The temperatures range from 14.5°C (58.1°F) to 18.2°C (64.8°F). The sun illuminates the city for up to 18.9 hours to 19.9 hours, providing ample daylight to explore the locale. In addition to this, these months observe fewer rainy days, hence providing ideal conditions for outdoor exploration.The worst time to visit Härnösand
Traveling to Härnösand during winter months, particularly from November through to March, is typically less appealing to most visitors. During this period, the city is engulfed in a cold spell as the temperatures swing from 0.3°C (32.5°F) to minus 5°C (41°F), and the snowfall peaks at 150mm (5.91") in January. Additionally, days are shorter, providing only around 6 hours of daylight in December.Spring weather in Härnösand
Spring season, lasting from March to May in Härnösand, witnesses a gradual increase in temperature. Starting from minus 1.8°C (35.2°F) in March, the temperature eventually escalates to 10°C (50°F) in May. While the first traces of rainfall become evident in this season, the amount of snowfall significantly decreases from 96mm (3.78") in March to a mere 2mm (0.08") in May. The snowfall also decreases from 12.1 days in March to just about 0.8 days by May.Summer weather in Härnösand
Summers in Härnösand, from June through August, are quite mild as per global standards with the temperature ranging from 14.5°C (58.1°F) to 18.2°C (64.8°F). The rainfall during these months varies from 15mm (0.59") to 30mm (1.18"), making it the city's driest season. The number of daylight hours peaks at 19.9 hours a day in June, and sunshine is continually available for about 12 to 13 hours per day.Autumn weather in Härnösand
The autumn period lasts from September till November and witnesses temperatures between 13.7°C (56.7°F) to 3.5°C (38.3°F). However, rainfall sees a rise during this period, from 23mm (0.91") in September to 36mm (1.42") by November. The daylight hours begin dwindling from 13 hours in September to merely 6.9 hours in November.Winter weather in Härnösand
Winter weather dominates Härnösand from December to February when the temperatures are consistently below zero, ranging from minus 1.7°C (35.1°F) to minus 5°C (41°F). There is an increase in snowfall, peaking at an impressive 150mm (5.91") in January. The number of daylight hours shrinks to its lowest at 5.1 hours in December, perpetuating a long spell of darkness that marks the winter solstice.Weather in January
In Härnösand, January's weather is characterized by falling snow and sub-zero temperatures, making it the coldest month of the year. Despite the harsh conditions, the city manages to embrace the winter with various activities such as ice skating and snowmobiling. Weather in January »Weather in February
February in Härnösand brings slightly milder temperatures than January, with gradually lengthening days as the sunlight slowly returns. Snowfall remains prevalent, although its intensity decreases considerably to 103mm (4.06") compared to the previous month. Weather in February »Weather in March
March marks the transition from winter to spring in Härnösand, bringing milder temperatures and longer daylight hours. Although March welcomes nearly three more hours of sunlight compared to February, the city still experiences chilly conditions with a snowfall of 96mm (3.78") over 12.1 days. Weather in March »Weather in April
The arrival of April in Härnösand signifies the definitive arrival of spring, complete with warming temperatures and diminishing snowfall. The snowfall decreases significantly to 20mm (0.79"), and the number of snowy days drops to 3.5. Weather in April »Weather in May
May in Härnösand brings about pronounced changes in weather patterns, ushering in warmer temperatures and extended daylight hours. The snow gives way entirely to rainfall in May, with the last traces of winter gone. The city, dusting off the vestiges of winter, sees life springing everywhere. Weather in May »Weather in June
June introduces Härnösand to the season of summer, as temperatures reach a comfortable warmth not experienced in the earlier months. Residents trade in their umbrellas for sun hats as the city basks in 19.9 daylight hours. Expect clear skies and plenty of sunshine-filled days throughout June. Weather in June »Weather in July
July brings the height of summer to Härnösand, with temperatures peaking for the year at 18.2°C (64.8°F). The city, bathed under an extended 18.9 daylight hours, sees an intensified hustle and bustle during this month. The invite for outdoor activities continues with opportunities to enjoy sea and riverside areas. Weather in July »Weather in August
August in Härnösand carries forward the warmth of July, providing comfortable temperatures, although slightly lower than the previous month. Despite a slight decrease to 17.4°C (63.3°F), August's temperatures don't restrain the vibrant summer activities. Weather in August »Weather in September
September in Härnösand heralds the onset of autumn, with subtle fall colors beginning to overtake the landscape. Gradually, the city experiences shorter daylight hours and cooler temperatures. September is also known for its calm winds as the average wind speed is a moderate 15.7km/h (9.8mph). Weather in September »Weather in October
October brings crisper weather to Härnösand, paving the way for winter's advance. The autumn foliage reach their peak before surrendering to the harsher temperatures. It's a time when wool sweaters and hot beverages make a comeback after the summer hiatus. Weather in October »Weather in November
By November, Härnösand begins to feel the chill of winter, with thermometers dipping, and daylight hours significantly decreasing. November records a notable upswing in snowfall, rising to 23mm (0.91") over four snowy days. Preparations for the winter season begin earnestly as warmer clothing and snow equipment start making a regular appearance. Weather in November »Weather in December
December in Härnösand ushers in full-fledged winter, complete with sub-zero temperatures and robust snowfall of 94mm (3.7") over 10.4 days. The city becomes a winter wonderland, decorated with snowy streets and twinkling holiday lights. Weather in December »Updated: Feb 2, 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
The wettest months in Härnösand are January and December, with an average 36mm (1.42") of rainfall.
Throughout the year, in Härnösand, there are 93.9 rainfall days, and 304mm (11.97") of precipitation is accumulated.
Months with snowfall in Härnösand are January through May, October through December.
The month with the most snowfall in Härnösand is January, when snow falls for 14.9 days and typically aggregates up to 150mm (5.91") of snow.
In Härnösand, Sweden, during the entire year, snow falls for 60.8 days and aggregates up to 495mm (19.49") of snow.
The months with the lowest UV index in Härnösand are January and November, with an average maximum UV index of 1.
February, characterized by an average high temperature of -1.8°C (28.8°F) and a low temperature of -5°C (23°F), is generally the coldest month in Härnösand.
February is the most humid month in Härnösand, Sweden, with an average relative humidity of 87%.
February and March, with an average sea temperature of 0.3°C (32.5°F), are months with the coldest seawater in Härnösand.
The months with the least rainfall in Härnösand are April and June Rain falls for 7.6 days and accumulates 15mm (0.59") of rain.
With an average relative humidity of 71%, June is the least humid month in Härnösand, Sweden.
June through September are months without snowfall in Härnösand.
The month with the longest days is June, with an average of 19h and 54min of daylight.
The month with the most sunshine in Härnösand, Sweden, is June, with an average of 13.1h of sunshine.
Temperature readings in Härnösand reach their annual highs in July, averaging 18.2°C (64.8°F) and a minimum average of 13.3°C (55.9°F).
The month with the highest UV index is July, with an average maximum UV index of 5.
The month with the warmest seawater in Härnösand is August, with an average sea temperature of 17°C (62.6°F).
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.
With an average of 5h and 6min of daylight, December has the shortest days of the year.
With an average of 1.8h of sunshine, December has the least sunshine of the year in Härnösand.
Average temperature
Härnösand, Sweden
The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is February (-1.8°C).
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is February (-5°C).
Average pressure
Härnösand, Sweden
- Average pressure in January:
1009.8mbar - Average pressure in February:
1010.2mbar - Average pressure in March:
1010mbar - Average pressure in April:
1013mbar - Average pressure in May:
1014.3mbar - Average pressure in June:
1011.8mbar
- Average pressure in July:
1010.4mbar - Average pressure in August:
1011.3mbar - Average pressure in September:
1011.8mbar - Average pressure in October:
1012.7mbar - Average pressure in November:
1009.7mbar - Average pressure in December:
1005.8mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.8mbar).
Average wind speed
Härnösand, Sweden
- Average wind speed in January:
18.7km/h - Average wind speed in February:
17km/h - Average wind speed in March:
16.4km/h - Average wind speed in April:
14.4km/h - Average wind speed in May:
13.9km/h - Average wind speed in June:
14.5km/h
- Average wind speed in July:
14km/h - Average wind speed in August:
13.9km/h - Average wind speed in September:
15.7km/h - Average wind speed in October:
17.5km/h - Average wind speed in November:
18km/h - Average wind speed in December:
18.8km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest months (with the lowest average wind speed) are May and August (13.9km/h).
Average humidity
Härnösand, Sweden
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (71%).
Average rainfall
Härnösand, Sweden
The wettest months (with the highest rainfall) are January and December (36mm).
The driest months (with the least rainfall) are April and June (15mm).
Average rainfall days
Härnösand, Sweden
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
7.6 days - Average rainfall days in May:
9.3 days - Average rainfall days in June:
7.1 days
- Average rainfall days in July:
10.4 days - Average rainfall days in August:
10.3 days - Average rainfall days in September:
8.8 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is July (10.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall
Härnösand, Sweden
The month with the highest snowfall is January (150mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Härnösand, Sweden
- Average snowfall days in January:
14.9 days - Average snowfall days in February:
13.7 days - Average snowfall days in March:
12.1 days - Average snowfall days in April:
3.5 days - Average snowfall days in May:
0.8 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:
1.3 days - Average snowfall days in November:
4.1 days - Average snowfall days in December:
10.4 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Härnösand, Sweden
The best month for swimming (with the highest average sea temperature) is August (17°C).
The coldest months (with the lowest average sea temperature) are February and March (0.3°C).
Average daylight / Average sunshine
Härnösand, Sweden
- Average daylight in January:
6h and 6min - Average daylight in February:
8h and 48min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 54min - Average daylight in May:
17h and 54min - Average daylight in June:
19h and 54min
- Average daylight in July:
18h and 54min - Average daylight in August:
16h and 0min - Average daylight in September:
13h and 0min - Average daylight in October:
9h and 54min - Average daylight in November:
6h and 54min - Average daylight in December:
5h and 6min
The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in January:
2h and 30min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 42min - Average sunshine in April:
8h and 6min - Average sunshine in May:
10h and 36min - Average sunshine in June:
13h and 6min
- Average sunshine in July:
12h and 54min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 12min - Average sunshine in October:
4h and 54min - Average sunshine in November:
3h and 24min - Average sunshine in December:
1h and 48min
The month with the most sunshine is June (Average sunshine: 13h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days
Härnösand, Sweden
- Average sunshine days in January:
10.9 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
18.6 days - Average sunshine days in May:
21 days - Average sunshine days in June:
21.8 days
- Average sunshine days in July:
19.1 days - Average sunshine days in August:
19.2 days - Average sunshine days in September:
19.9 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
17 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is June (21.8 days).
The month with the least sunshine days is February (10.8 days).
Average UV index
Härnösand, Sweden
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover
Härnösand, Sweden
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility
Härnösand, Sweden
The months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).
