Climate and monthly weather forecastBlönduós, Iceland
Climate and monthly weather forecast
The climate of Blönduós
Blönduós, located in the northern part of Iceland, is characterized by a Tundra climate, following the Köppen climate classification. The town, positioned on the riverside, experiences moderate temperatures throughout the year, mainly dictated by the icy Arctic winds.Examining the temperature records, it becomes apparent that the town has no distinct hot or cold season. Throughout the year, the highest temperature ranges from -0.2°C (31.6°F) in February to 11.8°C (53.2°F) in July. The lowest temperature, on the other hand, swings between -4°C (24.8°F) in December and 7.4°C (45.3°F) in July. It's worth noting that even during the warmest months, the temperatures stay relatively low.
Humidity in Blönduós stays mostly constant with only slight variations, the relative humidity is predominantly in the 75-85% range. Rainfall varies from month to month, with the least precipitation recorded in June at 15mm (0.59") and the most in September, showing 43mm (1.69"). Notably, September also experiences the most rain days, amounting to 14.3 days.
The town sees moderate snowfalls from November onwards, peaking in January with 106mm (4.17"), before gradually decreasing by April. Interestingly, daylight hours in Blönduós fluctuate dramatically from a short 3.4 hours in December to a lengthy 22.7 hours during June.
The best time to visit Blönduós
Optimal visiting conditions in Blönduós occur during late spring and early summer, particularly from May to June. These months present comfortable temperatures, more sunshine hours, lesser snowfall, and fewer rain days. In June, visitors can enjoy up to 22.7 daylight hours, which is perfect for sightseeing and outdoor activities.The worst time to visit Blönduós
Travelers might prefer to avoid Blönduós during the colder months, primarily from November to February. During these months, the town experiences heavy snowfall, reduced daylight hours, and lower visibility. Additionally, the temperature during January dips to a low of -4°C (24.8°F) with wind speeds reaching up to 22km/h (13.7mph), which could make traveling and outdoor activities challenging.Spring weather in Blönduós
Spring in Blönduós, lasting from March till May, brings slightly warmer temperatures, ranging from 8.3 to 3°C (37.4°F). The thawing snow and reduced wind speed offer a refreshing change from the winter months. However, March still records significant snowfall of around 100mm (3.94"). As spring progresses, the number of rainfall days and the amount of precipitation increases, providing ideal conditions for the sprouting foliage.Summer weather in Blönduós
Summer months in Blönduós, from June to August, offer the warmest temperatures, varying from 10.6°C (51.1°F) to 11.8°C (53.2°F). The town sees the least snowfall during this period, and the number of rain days per month is consistent, averaging around 13 days.Autumn weather in Blönduós
September to November marks autumn in Blönduós, a period when the temperatures start to drop, going from 8.3°C (46.9°F) in September to 1.3°C (34.3°F) in November. The autumn months also witness a significant increase in rainfall, with September recording the year's highest precipitation of 43mm (1.69").Winter weather in Blönduós
Winter in Blönduós sets in from December, with temperatures plummeting to -4°C (24.8°F), and remains cold until February. The town witnesses heavy snowfall, with December and January recording 84mm (3.31") and 106mm (4.17") respectively. Additionally, these months also record the year's shortest daylight hours, dropping to a mere 3.4 hours in December.Weather in January
January in Blönduós, Iceland is midwinter with a high expectation of snowfall. The temperature often drops to its lowest point of -3.4°C (25.9°F), combining with the highest snowfall of 106mm (4.17") to create a cold and snowy atmosphere. Weather in January »Weather in February
February weather is slightly better than January, with reduced snowfall making it a less severe winter month. This reduction in snowfall, which falls from 106mm (4.17") in January to 55mm (2.17"), leads to fewer snow-related activities, but it does make travel easier. Weather in February »Weather in March
The transition from winter to spring begins in March, heralded by longer daylight hours and a slight uptick in temperatures. Despite these signs of change, snowfall peaks again, reaching 100mm (3.94") in this month. This offsets the increasing temperatures, maintaining the winter conditions prevalent in Blönduós City. Weather in March »Weather in April
Iceland's spring is settling in by April, with warming trends becoming more evident. However, cold nights are still a factor, and snowfall, although significantly reduced to 43mm (1.69"), is not entirely absent. The weather in Blönduós City is less harsh, and the extended daylight hours open up a plethora of activities for locals and tourists. Weather in April »Weather in May
May marks a definitive shift towards spring, with the average temperature highs now entering positive territory at 6.8°C (44.2°F). A substantial reduction in snowfall, now measuring only 20mm (0.79"), further solidifies the advent of warmer weather in Blönduós. Weather in May »Weather in June
June in Blönduós welcomes a more fund summer-esque environment. The highest range of daylight hours is seen this month, but it remains a wet month with 15mm (0.59") rainfall, although snowfall is minimal, recorded at only 2mm (0.08"). Weather in June »Weather in July
July is Blönduós's warmest month, with temperatures reaching a peak average of 11.8°C (53.2°F). It is the only month where there is no registered snowfall, showcasing a stark contrast to the city’s winter months. July provides an opportunity to discover the Icelandic city's unique summer traits, featuring extensive daylight hours and meagre rainfall. Weather in July »Weather in August
Coming into August, temperatures in Blönduós remain relatively stable, and rainfall increases slightly to 27mm (1.06"). However, the city is still basking in the glory of summer, offering abundant daylight hours. The sunny days create balmy conditions suitable for a variety of activities in the city. Weather in August »Weather in September
September sees an increase in rainfall, reaching 43mm (1.69"), and snowfall begins to reappear with 22mm (0.87"), signaling the transitional period from summer to autumn. Blönduós is known for its quick weather shifts, and this month is a clear manifestation of that. Weather in September »Weather in October
October in Blönduós sees a significant drop in average temperatures and an increase in snowfall to 47mm (1.85"). As the city transitions from autumn to winter, snowy landscapes make their return. The diminished daylight hours and humidity in the atmosphere also add to the city's cooling trend. Weather in October »Weather in November
November in Blönduós marks the rapid shift towards cold winter weather, with a significant drop in average temperatures to 1.3°C (34.3°F) and increased snowfall of 33mm (1.3"). The city descends into winter, with the weather becoming progressively colder and more inhospitable. Weather in November »Weather in December
December is a cold and snowy month in Blönduós, with temperatures falling to an average low of -4°C (24.8°F). There is also a significant increase in snowfall, peaking at 84mm (3.31"). This paints the entire city of Blönduós with a typical winter landscape, perfect for festive activities. Weather in December »Updated: Feb 10, 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 is the most humid month, with an average relative humidity of 85%.
In Blönduós, during the entire year, the rain falls for 116.7 days and collects up to 320mm (12.6") of precipitation.
January through June, September through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 10.8 days and accumulates 106mm (4.17") of snow.
Throughout the year, in Blönduós, there are 68.5 snowfall days, and 512mm (20.16") of snow is accumulated.
March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Blönduós.
May and June, with an average relative humidity of 75%, are the least humid months in Blönduós.
The month with the most sunshine in Blönduós, Iceland, is May, with an average of 8h of sunshine.
May through July, with an average maximum UV index of 3, are months with the highest UV index in Blönduós, Iceland.
The month with the least rainfall is June, when the rain falls for 10.8 days and typically collects 15mm (0.59") of precipitation.
The month with the longest days is June, with an average of 22h and 42min of daylight.
The month with the least sunshine in Blönduós, Iceland, is June, with an average of 0.7h of sunshine.
Blönduós experiences its average highest temperatures in July, reaching a peak of 11.8°C (53.2°F) and a minimum of 7.4°C (45.3°F).
July and August are months without snowfall in Blönduós.
The month with the most rainfall in Blönduós, Iceland, is September, when the rain falls for 14.3 days and typically aggregates up to 43mm (1.69") of precipitation.
The coldest temperatures in Blönduós, Iceland, occur during December, when averages reach a peak of -0.5°C (31.1°F) and a low of -4°C (24.8°F).
The month with the shortest days in Blönduós, Iceland, is December, with an average of 3h and 24min of daylight.
Blönduós, Iceland, does not utilize Daylight Saving Time (DST). GMT timezone is used over the entire year.
Average temperature
Blönduós, Iceland
The warmest month (with the highest average high temperature) is July (11.8°C).
The month with the lowest average high temperature is December (-0.5°C).
The month with the highest average low temperature is July (7.4°C).
The coldest month (with the lowest average low temperature) is December (-4°C).
Average pressure
Blönduós, Iceland
- Average pressure in January:
998mbar - Average pressure in February:
999.6mbar - Average pressure in March:
1004.6mbar - Average pressure in April:
1010mbar - Average pressure in May:
1013mbar - Average pressure in June:
1014.4mbar
- Average pressure in July:
1010.4mbar - Average pressure in August:
1008.6mbar - Average pressure in September:
1003.5mbar - Average pressure in October:
1005mbar - Average pressure in November:
1003mbar - Average pressure in December:
999.8mbar
The month with the highest atmospheric pressure is June (1014.4mbar).
The month with the lowest atmospheric pressure is January (998mbar).
Average wind speed
Blönduós, Iceland
- Average wind speed in January:
21.1km/h - Average wind speed in February:
21.3km/h - Average wind speed in March:
20.6km/h - Average wind speed in April:
18.8km/h - Average wind speed in May:
17.1km/h - Average wind speed in June:
14.2km/h
- Average wind speed in July:
13.9km/h - Average wind speed in August:
14.5km/h - Average wind speed in September:
17.3km/h - Average wind speed in October:
18.2km/h - Average wind speed in November:
20.6km/h - Average wind speed in December:
22km/h
The windiest month (with the highest average wind speed) is December (22km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity
Blönduós, Iceland
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are May and June (75%).
Average rainfall
Blönduós, Iceland
The wettest month (with the highest rainfall) is September (43mm).
The driest month (with the least rainfall) is June (15mm).
Average rainfall days
Blönduós, Iceland
- Average rainfall days in January:
6.9 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
6.9 days - Average rainfall days in April:
9.4 days - Average rainfall days in May:
10.6 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
13.2 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is September (14.3 days).
The month with the least rainy days is February (5.6 days).
Average snowfall
Blönduós, Iceland
The month with the highest snowfall is January (106mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days
Blönduós, Iceland
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
9.6 days - Average snowfall days in March:
10.2 days - Average snowfall days in April:
8.9 days - Average snowfall days in May:
3.6 days - Average snowfall days in June:
0.8 days
- Average snowfall days in July:
0.1 days - Average snowfall days in August:
0.1 days - Average snowfall days in September:
2 days - Average snowfall days in October:
5.2 days - Average snowfall days in November:
7.5 days - Average snowfall days in December:
9.7 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are July and August (0.1 days).
Average daylight / Average sunshine
Blönduós, Iceland
- 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 12min - Average daylight in June:
22h and 42min
- Average daylight in July:
20h and 36min - 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 24min
The month with the longest days is June (Average daylight: 22h and 42min).
The month with the shortest days is December (Average daylight: 3h and 24min).
- Average sunshine in January:
2h and 30min - Average sunshine in February:
3h and 18min - Average sunshine in March:
4h and 24min - Average sunshine in April:
6h and 6min - Average sunshine in May:
8h and 0min - Average sunshine in June:
0h and 42min
- Average sunshine in July:
5h and 12min - Average sunshine in August:
7h and 42min - Average sunshine in September:
4h and 54min - Average sunshine in October:
3h and 48min - Average sunshine in November:
2h and 42min - Average sunshine in December:
1h and 54min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is June (Average sunshine: 0h and 42min).
Average sunshine days
Blönduós, Iceland
- Average sunshine days in January:
13.2 days - Average sunshine days in February:
13.5 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
14.5 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
12.6 days - Average sunshine days in October:
13.7 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is June (15.8 days).
The month with the least sunshine days is April (11.8 days).
Average UV index
Blönduós, Iceland
The months with the highest UV index are May, June and July (UV index 3).
The months with the lowest UV index are March, October, November and December (UV index 1).
Average cloud cover
Blönduós, Iceland
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 55).
Average visibility
Blönduós, Iceland
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
