Climate and monthly weather forecastLuleå, Sweden
Climate and monthly weather forecast
The climate of Luleå
Luleå is situated in the northern part of Sweden and falls under the Köppen climate classification Dfc, which indicates a subarctic climate characterized by a severe winter, with no dry season and a cool summer. The weather patterns follow distinct seasons, with evident variations throughout the year.The highest temperatures in Luleå range from -5.7°C (21.7°F) in January to a peak of 17.3°C (63.1°F) in July, affirming the cooler overall climate typical for northern regions. Low temperatures, predictably, are in the negatives for the majority of the year, dipping to as low as -10.6°C (12.9°F) in February. The highest recorded humidity level is usually 93% in February, and the lowest hovers around 70% between June and July. In terms of rainfall, Luleå receives a moderately high volume throughout the year, peaking at 46mm (1.81") in December.
One particular weather pattern that stands out is the prevalence of snowfall in Luleå; it starts in October at 21mm (0.83"), escalates to 178mm (7.01") in December before dropping to zero from June to September. Correspondingly, the number of snowfall days ranges from 16.3 days in January to none from June to September.
In terms of sunshine hours, June boasts the longest daylight hours at 22.5h, with the shortest day length of 3.5h recorded in December. Similarly, the highest volume of sunshine at 12.8h is seen in July and drops to a yearly low of 1.3h during December.
The best time to visit Luleå
The preferable time to visit Luleå depends on an individual's weather preference. For visitors desiring more sunshine, warmer temperatures, and low humidity, the period between June and August is often considered the best. During these months, average high temperatures range from 13.3°C (55.9°F) to 17.3°C (63.1°F), coupled with the year's maximum daylight hours (up to 22.5h in June) and sunshine hours (12.8h in July). Moreover, the sea temperature peaks at a refreshing 16.3°C (61.3°F) in July, making it suitable for water-related activities.The worst time to visit Luleå
The period from November to March is typically considered less favorable for visiting Luleå, primarily due to challenging weather conditions. This period has the coldest temperatures, with highs from -2.1°C (28.2°F) to -5.7°C (21.7°F) and lows dropping as low as -10.6°C (12.9°F) in February. Along with typically Scandinavian long winter nights and less sunlight, it can be particularly prohibitive for outdoor activities. Visitors not fond of snow might want to avoid this period, as snowfall is highest during these months.Spring weather in Luleå
Spring in Luleå runs from March to May. During this time, temperatures graduate from the winter lows into warmer conditions. The average high temperatures ascend from -1.7°C (28.9°F) in March to 8.6°C (47.5°F) in May. The low temperatures similarly rise from -6.8°C (19.8°F) to 4°C (39.2°F) over this period. Spring also brings a decrease in snowfall, going from 163mm (6.42") in March down to 5mm (0.2") by May. The increase in daylight is notable, with day length rising from 11.8h in March to 19.1h in May.Summer weather in Luleå
Summer, from June to August, brings the warmest conditions to Luleå. The high temperatures go up to 17.3°C (63.1°F), while low temperatures go up to 13°C (55.4°F). Summer also marks the disappearance of snowfall, with zero recorded from June to August. Daylight hours and sunshine hours peak during this period, providing plenty of daylight for activities. The relative humidity drops to its lowest in summer, making these months the driest of the year.Autumn weather in Luleå
The autumn months of September to November in Luleå indicate a gradual shift from the balmy summer to the harsh winter. Temperatures drop consistently, with highs decreasing from 12.5°C (54.5°F) in September to 1.5°C (34.7°F) in November, and lows dropping from 8.6°C (47.5°F) to -1.4°C (29.5°F). Snowfall reoccurs, starting at 5mm (0.2") in October and rising to 76mm (2.99") in November.Winter weather in Luleå
Winter is characterized by harsh weather in Luleå, extending from December to February. During this period, temperatures are remarkably low, with average highs ranging from -2.1°C (28.2°F) to -5.7°C (21.7°F), and average lows from -5.7°C (21.7°F) to -10.6°C (12.9°F). These months also record the highest snowfall, the highest being in December at 178mm (7.01"). Combined with the longest nights of the year, it creates a distinct winter landscape, known for its snow-covered charm.Weather in January
January in Luleå, Sweden, bears the brunt of winter with temperatures plunging markedly from December. The sea temperature of -0.3°C (31.5°F) is the coldest recorded all year. Simultaneously, sharp chills cause regular snowfall, and the city is usually covered in abundant snow. Weather in January »Weather in February
February presents a slightly ameliorated picture of Luleå's harsh winter. It provides a brief respite from January's intense cold, even if the relief is relatively minor. Despite the overcast skies, locals enjoy an increase in daylight from January to February with snowfall continuing to blanket the ground. Weather in February »Weather in March
March marks the onset of spring in Luleå with a commendable increase in temperature from February. One of the notable characteristics of the month is the drastic drop in snowfall from February's 138mm (5.43") to March's 163mm (6.42"). Weather in March »Weather in April
April experiences a major shift in Luleå's weather, as winter tapers off and spring takes hold. Appreciable changes take place on the weather front, with snowfall being replaced by rainfall. The city starts to brim with life as longer daylight hours ensue and, despite it being the driest month, rainfall begins to be a regular occurrence. Weather in April »Weather in May
The warmth of mid-spring in May provides a pleasant contrast to Luleå's extremely cold winter months. Temperatures rise steadily, bringing with them a tangible feel of summer, although the last vestiges of winter can still be sensed. Weather in May »Weather in June
June offers the welcome heat of the early summer in Luleå. The city enjoys its highest sea temperature of 10.8°C (51.4°F) this month. Sunshine is abundant, and radiant daylight hours extend as summer progresses, providing a stark contrast to the dark winter days. Weather in June »Weather in July
July in Luleå sees the peak of the Scandinavian summer with warmer days. Among the notably warm months of the year, July outshines others in this respect. Despite the humidity, the summer weather provides ideal conditions for outdoor activities. Weather in July »Weather in August
August in Luleå brings the mild weather characteristic of late summer. The city sees a slight dip in temperature from the peak in July, yet it remains pleasantly warm. Changes in weather conditions represent the onset of a period of transition leading into autumn. Weather in August »Weather in September
September in Luleå is synonymous with the start of autumn. Autumnal coolness begins to set in with noticeable temperature dips from August's warm climate. Despite the decrease in temperatures, a significant amount of daylight from summertime remains, giving way to distinctly clear skies. Weather in September »Weather in October
October carries autumn's coolness well into its weeks, deepening the contrast with the preceding warm months in Luleå. One of the most noticeable trends this month is the return of snowfall, setting at 21mm (0.83") from the previously recorded no snowfall. Weather in October »Weather in November
November in Luleå paves the way for the onset of winter. Temperature and daylight hours decrease rapidly from October as winter looms closer. As the first snowflakes fall, the city dons a white blanket augmenting the charm of the pre-winter month. Weather in November »Weather in December
December in Luleå is marked by the return of a full-fledged winter season. A notable aspect is the drastic increase in snowfall to 178mm (7.01") in comparison to November's 76mm (2.99"). Accompanied by the biting chill, daylight hours dwindle down considerably, making it the darkest month. 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
Luleå's coldest weather arrives in January, when temperatures average a high of -5.7°C (21.7°F) and a low of -9.9°C (14.2°F).
In Luleå, Sweden, during the entire year, the rain falls for 110.8 days and collects up to 409mm (16.1") of precipitation.
Months with snowfall in Luleå are January through May, October through December.
In Luleå, Sweden, during the entire year, snow falls for 82.2 days and aggregates up to 846mm (33.31") of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.
The most humid month is February, with an average relative humidity of 93%.
February is the month with the coldest seawater in Luleå, Sweden, with an average sea temperature of -0.7°C (30.7°F).
The month with the least rainfall is April, when the rain falls for 9.3 days and typically collects 25mm (0.98") of precipitation.
With an average relative humidity of 70%, June is the least humid month.
In Luleå, Sweden, snow does not fall in June through September.
The month with the longest days in Luleå, Sweden, is June, with an average of 22h and 30min of daylight.
July is the warmest month in Luleå, with an average high-temperature of 17.3°C (63.1°F) and an average low-temperature of 13°C (55.4°F).
With an average sea temperature of 16.3°C (61.3°F), July is the month with the warmest seawater.
The month with the most sunshine in Luleå is July, with an average of 12.8h of sunshine.
With an average maximum UV index of 5, July is the month with the highest UV index in Luleå.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Luleå, Sweden, 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 Luleå, Sweden, is December, when the rain falls for 6.3 days and typically aggregates up to 46mm (1.81") of precipitation.
The month with the most snowfall is December, when snow falls for 15 days and typically aggregates up to 178mm (7.01") of snow.
December has the shortest days of the year in Luleå, Sweden, with an average of 3h and 30min of daylight.
The month with the least sunshine in Luleå is December, with an average of 1.3h of sunshine.
Average temperature
Luleå, Sweden
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-5.7°C).
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure
Luleå, Sweden
- Average pressure in January:
1009.4mbar - Average pressure in February:
1009.6mbar - Average pressure in March:
1008.1mbar - Average pressure in April:
1011.7mbar - Average pressure in May:
1014mbar - Average pressure in June:
1011.1mbar
- Average pressure in July:
1010.5mbar - Average pressure in August:
1011.1mbar - Average pressure in September:
1010.9mbar - Average pressure in October:
1011.4mbar - Average pressure in November:
1009.2mbar - Average pressure in December:
1004.8mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed
Luleå, Sweden
- Average wind speed in January:
15.6km/h - Average wind speed in February:
14.5km/h - Average wind speed in March:
15.2km/h - Average wind speed in April:
13km/h - Average wind speed in May:
13.6km/h - Average wind speed in June:
13.7km/h
- Average wind speed in July:
13.3km/h - Average wind speed in August:
14.7km/h - Average wind speed in September:
16.4km/h - Average wind speed in October:
17.2km/h - Average wind speed in November:
17.2km/h - Average wind speed in December:
17.3km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is April (13km/h).
Average humidity
Luleå, Sweden
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (70%).
Average rainfall
Luleå, Sweden
The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days
Luleå, Sweden
- Average rainfall days in January:
3.4 days - Average rainfall days in February:
3.1 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
9.3 days - Average rainfall days in May:
11.8 days - Average rainfall days in June:
11.7 days
- Average rainfall days in July:
13 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (3.1 days).
Average snowfall
Luleå, Sweden
- Average snowfall in January:
174mm - Average snowfall in February:
138mm - Average snowfall in March:
163mm - Average snowfall in April:
69mm - Average snowfall in May:
27mm - Average snowfall in June:
0mm
The month with the highest snowfall is December (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Luleå, Sweden
- Average snowfall days in January:
16.3 days - Average snowfall days in February:
14.2 days - Average snowfall days in March:
14.3 days - Average snowfall days in April:
8.4 days - Average snowfall days in May:
3.3 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:
3.5 days - Average snowfall days in November:
7.2 days - Average snowfall days in December:
15 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Luleå, Sweden
The best month for swimming (with the highest average sea temperature) is July (16.3°C).
The coldest month (with the lowest average sea temperature) is February (-0.7°C).
Average daylight / Average sunshine
Luleå, Sweden
- Average daylight in January:
4h and 54min - 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 6min - Average daylight in June:
22h and 30min
- Average daylight in July:
20h and 30min - Average daylight in August:
16h and 42min - Average daylight in September:
13h and 6min - Average daylight in October:
9h and 36min - Average daylight in November:
6h and 0min - Average daylight in December:
3h and 30min
The month with the longest days is June (Average daylight: 22h and 30min).
The month with the shortest days is December (Average daylight: 3h and 30min).
- Average sunshine in January:
1h and 42min - Average sunshine in February:
3h and 36min - Average sunshine in March:
4h and 54min - Average sunshine in April:
6h and 18min - Average sunshine in May:
10h and 42min - Average sunshine in June:
12h and 12min
- Average sunshine in July:
12h and 48min - Average sunshine in August:
9h and 54min - Average sunshine in September:
7h and 18min - Average sunshine in October:
4h and 42min - Average sunshine in November:
2h and 42min - Average sunshine in December:
1h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days
Luleå, Sweden
- Average sunshine days in January:
13.5 days - Average sunshine days in February:
12.6 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
16.5 days
- Average sunshine days in July:
16.3 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
13.7 days - Average sunshine days in December:
11.6 days
The months with the most sunshine days are June and October (16.5 days).
The month with the least sunshine days is December (11.6 days).
Average UV index
Luleå, Sweden
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Luleå, Sweden
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility
Luleå, Sweden
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (7km).
