Climate and monthly weather forecastBorgarnes, Iceland
Climate and monthly weather forecast
The climate of Borgarnes
Incorporated within the Köppen climate classification of ET, Borgarnes operates under tundra conditions. This Icelandic municipality lies in the path of atmospheric disturbances, shaping distinctive weather patterns. Over the year, Borgarnes exhibits variations in numerous climatic parameters, contributing to its distinctive marine character.Temperature shifts from a low of -2.4°C (27.7°F) in the depth of winter to a mild warmer peak of 13.5°C (56.3°F) in summer. This cold climate is relentless with the mercury seldom venturing beyond these margins. Day-to-day weather patterns are also marked by the presence of recurrent rain with an average of 33mm (1.3") in February to 47mm (1.85") in January.
Visibility hovers around 9 km to 10 km throughout the year, amplifying its maritime character. Humidity remains fairly consistent from 75% in May to 82% during the winter months of January and February. Correspondingly, atmospheric pressure too exhibits modest change from 996.6 mb in January to 1013.8 mb in June.
Unique patterns emerge in the context of snowfall and daylight. Most of the snow, peaking at 100mm (3.94") in March, is registered in the early part of the year, steadily decreasing as the months roll on. Daylight, a scarce resource in the winter with a mere 4.2 hours in December, expands to a generous 21.2 hours in June, the brightest month.
The best time to visit Borgarnes
Zeal for the extraordinary best encapsulates the spirit of a traveler to Borgarnes. June emerges as the favorable month for a visit, with its temperatures touching 13.5°C (56.3°F), the highest of the year. Additionally, this month is also marked by the longest daylight duration of 21.2 hours, an ideal condition for exploration and sightseeing.Most importantly, June registers the lowest rainfall of 25mm (0.98"), making outdoor activities considerably more enjoyable. With a sea temperature of 10.7°C (51.3°F), this time also welcomes water-related adventures like swimming, snorkeling or kayaking.
The worst time to visit Borgarnes
Navigating the bitter cold of the winter months, specifically December, with temperatures plunging down to -2.4°C (27.7°F), can indeed be a challenging endeavor. Short daylight hours of 4.2 and heavy snowfall reaching 61mm (2.4") compound the harsh existing weather conditions. The sea temperature too, exhibit a descending trend with the mercury dipping to 6.2°C (43.2°F), making water activities less desirable.Spring weather in Borgarnes
Spring in Borgarnes steps in with temperature ranging between 1.3°C (34.3°F) and reaching up to 8.3°C (46.9°F) in May. Snowfall recedes from a high of 100mm (3.94") in the early days of spring to virtually no snow by May. On the precipitation front, rainfalls show a modest increase from 40mm (1.57") in March to 36mm (1.42") by the end of May.Summer weather in Borgarnes
Borgarnes's summer, albeit short-lived, commences with temperatures ranging from 11.7°C (53.1°F) in June up to 13.5°C (56.3°F) in July. These months record the least rain of 25mm (0.98"), and no snowfall. Sea temperatures ascend to reach its peak of 10.8°C (51.4°F) in August, a welcoming sign for all sea enthusiasts.Autumn weather in Borgarnes
Autumn in Borgarnes is characterized by temperatures commencing from 9.6°C (49.3°F) in September, descending to 3.2°C (37.8°F) in November. In terms of rainfall, these months are slightly wetter, ranging from 40mm (1.57") in September to 29mm (1.14") in November.Winter weather in Borgarnes
Winter in Borgarnes is a season of harsh weather with the temperature falling from 1.3°C (34.3°F) in December down to -2.4°C (27.7°F) in the peak month of January. Accompanying these cold temperatures, snowfall in this season ranges from 61mm (2.4") in December to its lowest at 17mm (0.67") in February. The sea temperature plummets to its lowest at 4.1°C (39.4°F) in March, making water activities a distant dream.Weather in January
The start of the year in Borgarnes, Iceland, witnesses frigid temperatures with the highest snowfall. It is distinguished by a maximum snowfall, reaching 59mm (2.32"), showcasing a truly Icelandic winter. The short daylight hours contribute to a dismal and wintry ambiance as the city is embraced by cold Arctic weather systems. Weather in January »Weather in February
February remains firmly in the grip of winter as temperatures persist below freezing, with snow still a significant part of the landscape. This season is characteristically cold and marked by relatively stable winter weather patterns. Weather in February »Weather in March
Transitioning from winter to spring, March sees a significant increase in snowfall with an average of 100mm (3.94"), the maximum for the year. Borgarnes city starts to shimmer under the lengthening sunlight, even though the temperatures continue to stay low. Weather in March »Weather in April
April signals the advent of spring in Borgarnes, with weather conditions improving slightly from the icy winter months. The icy grip of winter loosens and is replaced by occasional rain showers. As snowfall decreases considerably to about 22mm (0.87") during this month, the landscape starts to lose some of its winter whiteness. Weather in April »Weather in May
The city of Borgarnes steps into May with the anticipation of warmer weather and celebrating the glorious bloom of spring. The Municipality of Borgarbyggð, home to Borgarnes, is known for its awe-inspiring natural beauty which starts to reveal itself during this month. Weather in May »Weather in June
June brings the longest days of the year in Borgarnes, filled with refined vigor of the summer sun. The city experiences the maximum daylight hours, extending up to a staggering 21.2 hours, during this month. This extended period of daylight, often known as the "midnight sun," is a unique phenomenon found mostly in polar regions. Weather in June »Weather in July
July is synonymous with summer in Borgarnes, offering warm temperatures, green landscapes, and long days of sunshine. The temperature reaches its annual highest, fluctuating between a comfortable 9.1°C (48.4°F) to a moderately warm 13.5°C (56.3°F). Weather in July »Weather in August
The onset of August carries the last vestiges of summer warmth in Borgarnes, with temperatures slightly decreasing from their July peak. The city continues to relish long daylight periods, soaking up the sun's warmth and energy. Weather in August »Weather in September
September marks the arrival of autumn in Borgarnes, with the weather turning increasingly cool. While the temperature drops moderately, the showers begin to increase, with an average rainfall of 40mm (1.57"). The lush green landscapes begin their transformation into a riot of warm autumnal hues. Weather in September »Weather in October
October, the second month of autumn in Borgarnes, experiences a further temperature dip consistent with the transition from summer to winter. This period is characterized by increased rainfall and noticeably shorter days compared to the summer months. Weather in October »Weather in November
November brings in the early charm of winter in Borgarnes, with temperatures continuing their downward trend from the autumn highs. The first snowflakes often make an appearance this month, setting the stage for the upcoming winter season. Weather in November »Weather in December
Rounding off the year, December plunges into full-fledged winter with cold, snowy conditions dominating the Borgarnes weather. Snowfall increases significantly in December, reaching a substantial amount of 61mm (2.4") to blanket the city in a winter wonderland. 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, February and September, with an average relative humidity of 82%, are most humid months.
January is the month with the most rainfall in Borgarnes, Iceland. Rain falls for 12.8 days and accumulates 47mm (1.85") of precipitation.
Throughout the year, in Borgarnes, there are 166.2 rainfall days, and 416mm (16.38") of precipitation is accumulated.
Months with snowfall in Borgarnes, Iceland, are January through May, October through December.
Throughout the year, there are 41.1 snowfall days, and 309mm (12.17") of snow is accumulated.
With an average of 2.4h of sunshine, January has the least sunshine of the year in Borgarnes.
January, February and November, with an average maximum UV index of 1, are months with the lowest UV index in Borgarnes.
March is the month with the most snowfall. Snow falls for 9.4 days and accumulates 100mm (3.94") of snow.
The month with the coldest seawater in Borgarnes, Iceland, is March, with an average sea temperature of 4.1°C (39.4°F).
The least humid month in Borgarnes, Iceland, is May, with an average relative humidity of 75%.
The months with the least rainfall in Borgarnes are June and July Rain falls for 15.4 days and accumulates 25mm (0.98") of rain.
June through September are months without snowfall in Borgarnes.
June has the longest days of the year in Borgarnes, with an average of 21h and 12min of daylight.
July, with its average high-temperature of 13.5°C (56.3°F) and an average low-temperature of 9.1°C (48.4°F), holds the record as the warmest month.
The month with the highest UV index is July, with an average maximum UV index of 4.
August is the month with the warmest seawater, with an average sea temperature of 10.8°C (51.4°F).
August has the most sunshine of the year, with an average of 7.4h of sunshine.
Borgarnes, Iceland, witnesses the coldest weather in December, with temperatures averaging a high of 1.3°C (34.3°F) and a low of -2.4°C (27.7°F).
December has the shortest days of the year in Borgarnes, Iceland, with an average of 4h and 12min of daylight.
Borgarnes does not utilize Daylight Saving Time (DST). GMT timezone is used throughout the entire year.
Average temperature
Borgarnes, Iceland
The warmest month (with the highest average high temperature) is July (13.5°C).
The month with the lowest average high temperature is December (1.3°C).
The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is December (-2.4°C).
Average pressure
Borgarnes, Iceland
- Average pressure in January:
996.6mbar - Average pressure in February:
997.8mbar - Average pressure in March:
1003.5mbar - Average pressure in April:
1008.9mbar - Average pressure in May:
1012.1mbar - Average pressure in June:
1013.8mbar
- Average pressure in July:
1009.5mbar - Average pressure in August:
1007.7mbar - Average pressure in September:
1002.9mbar - Average pressure in October:
1003.6mbar - Average pressure in November:
1001.4mbar - Average pressure in December:
998.4mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.6mbar).
Average wind speed
Borgarnes, Iceland
- Average wind speed in January:
24.5km/h - Average wind speed in February:
24.9km/h - Average wind speed in March:
23.4km/h - Average wind speed in April:
22.1km/h - Average wind speed in May:
19.1km/h - Average wind speed in June:
14.9km/h
- Average wind speed in July:
14.9km/h - Average wind speed in August:
16km/h - Average wind speed in September:
20.4km/h - Average wind speed in October:
21.5km/h - Average wind speed in November:
22.6km/h - Average wind speed in December:
23.6km/h
The windiest month (with the highest average wind speed) is February (24.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity
Borgarnes, Iceland
The months with the highest relative humidity are January, February and September (82%).
The month with the lowest relative humidity is May (75%).
Average rainfall
Borgarnes, Iceland
The wettest month (with the highest rainfall) is January (47mm).
The driest months (with the least rainfall) are June and July (25mm).
Average rainfall days
Borgarnes, Iceland
- Average rainfall days in January:
12.8 days - Average rainfall days in February:
10.5 days - Average rainfall days in March:
11 days - Average rainfall days in April:
15 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
17.8 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
12 days - Average rainfall days in December:
9.7 days
The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is December (9.7 days).
Average snowfall
Borgarnes, Iceland
The month with the highest snowfall is March (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Borgarnes, Iceland
- Average snowfall days in January:
7.4 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
9.4 days - Average snowfall days in April:
5.5 days - Average snowfall days in May:
1.2 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:
0.6 days - Average snowfall days in November:
3.9 days - Average snowfall days in December:
6.3 days
The month with the highest number of snowfall days is March (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Borgarnes, Iceland
The best month for swimming (with the highest average sea temperature) is August (10.8°C).
The coldest month (with the lowest average sea temperature) is March (4.1°C).
Average daylight / Average sunshine
Borgarnes, Iceland
- Average daylight in January:
5h and 24min - Average daylight in February:
8h and 30min - Average daylight in March:
11h and 48min - Average daylight in April:
15h and 12min - Average daylight in May:
18h and 42min - Average daylight in June:
21h and 12min
- Average daylight in July:
19h and 48min - Average daylight in August:
16h and 24min - Average daylight in September:
13h and 0min - Average daylight in October:
9h and 42min - Average daylight in November:
6h and 24min - Average daylight in December:
4h and 12min
The month with the longest days is June (Average daylight: 21h and 12min).
The month with the shortest days is December (Average daylight: 4h and 12min).
- Average sunshine in January:
2h and 24min - Average sunshine in February:
3h and 12min - Average sunshine in March:
4h and 12min - Average sunshine in April:
5h and 12min - Average sunshine in May:
7h and 0min - Average sunshine in June:
4h and 6min
- Average sunshine in July:
6h and 54min - Average sunshine in August:
7h and 24min - Average sunshine in September:
4h and 30min - Average sunshine in October:
4h and 12min - Average sunshine in November:
2h and 42min - Average sunshine in December:
2h and 54min
The month with the most sunshine is August (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days
Borgarnes, Iceland
- Average sunshine days in January:
11.3 days - Average sunshine days in February:
11.9 days - Average sunshine days in March:
10.9 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
8.8 days - Average sunshine days in October:
13.3 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
14.1 days
The month with the most sunshine days is December (14.1 days).
The month with the least sunshine days is September (8.8 days).
Average UV index
Borgarnes, Iceland
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover
Borgarnes, Iceland
The months with the most cloud cover are March and April (Cloud cover 68).
The months with the least cloud cover are August and December (Cloud cover 60).
Average visibility
Borgarnes, 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).
