Climate and monthly weather forecastDalvik, Iceland
Climate and monthly weather forecast
The climate of Dalvik
Dalvik, a small town nestled in the northern regions of Iceland, experiences an ET, or Tundra climate as per the Köppen climate classification. The region experiences extremely cold conditions throughout the year, with average high temperatures barely touching double figures in Celsius only during the summer months. The lowest temperatures sweep the area in the heart of winter, plummeting to severe lows of minus 9.1°C (48.4°F).Relative humidity levels are relatively consistent, registering a monthly average of approximately 86% year-round. Rainfall is a common weather feature in Dalvik, with an average of around 76mm (2.99") in the month with the least rainfall. Snowfall plays a significant role in this region's climate, with heavy snows seen from October to March, and the most substantial amounts falling in December reaching 511mm (20.12"). While wind speeds generally fluctuate from 9.9km/h (6.2mph) to 16.3km/h (10.1mph), gusts intensify, particularly during the winter months, to peak at 28.3km/h (17.6mph) in both January and December.
A noteworthy trait of Dalvik's climate is the unique discrepancy in daylight hours, ranging from as little as 3.2 hours in the depths of December to a staggering 23.4 hours in the height of June. This characteristic is a signature of countries located in the high-latitude regions, contributing to the area's unique charm.
The best time to visit Dalvik
For those inclined towards milder weather conditions and extended daylight hours, the best time to plan a Dalvik visit would be from June to August. During these summer months, the average high temperatures hover around a modest 10°C (50°F), while the nights also provide some respite, with temperatures not dropping below 4.1°C (39.4°F). Despite a reduced amount of rainfall when compared to other months of precipitation is accumulated. In Dalvik, during the entire year, the rain falls for 177.8 days and collects up to 881mm (34.69") of precipitation. Months with snowfall are January through June, September through December. In January, it is snowing for 17.8 days. Throughout January, 408mm (16.06") of snow is accumulated. Throughout the year, there are 122.1 snowfall days, and 2536mm (99.84") of snow is accumulated. In Dalvik, Iceland, in January, the average water temperature is 3.4°C (38.1°F).Note: Within swimming, this is perceived as extraordinarily cold, dangerous, and potentially lethal. If not properly protected by insulated waterproof attire, hypothermia ensues quickly. In Dalvik, the average length of the day in January is 4h and 46min.
On the first day of January, sunrise is at 11:41 and sunset at 14:53. On the last day of the month, sunrise is at 10:14 and sunset at 16:40 GMT. In Dalvik, the average sunshine in January is 2.2h. January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 1 in January transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Weather in February
A slight improvement characterizes the weather in Dalvik in February, offering a marginally higher peak temperature of -2.8°C (27°F), coupled with a similarly negligible drop in the lowest temperature, settling at -8.3°C (17.1°F). Weather in February »Weather in March
March sees the season slowly transitioning towards spring, though the effects of winter can still be felt in Dalvik, with temperatures varying from -2.1°C (28.2°F) to -7.8°C (18°F). This is a month where elements of both winter and spring make their appearance, altering the landscape considerably. Weather in March »Weather in April
April in Dalvik marks a more distinct shift towards milder weather patterns, with the average maximum temperature climbing to just above freezing at 0.6°C (33.1°F). The snow cover starts to recede, revealing the lush landscapes underneath, preparing for the bloom of spring. Weather in April »Weather in May
The arrival of May brings a definite sense of spring to Dalvik, as temperatures finally cross into positive territory, ranging between 4.6°C (40.3°F) and -1.3°C (29.7°F). The contrast of blooming flora against the receding snow is a spectacle to behold. Weather in May »Weather in June
In June, Dalvik experiences its warmest month, with average high temperatures peaking at an appreciable 9.8°C (49.6°F) while maintaining a mild low of 4.1°C (39.4°F). The summer solstice in the latter half of the month bestows upon Dalvik prolonged sunshine, fostering a unique, energetic atmosphere throughout the day and into the dusky evenings. Weather in June »Weather in July
July welcomes in Dalvik a continuation of peak summer conditions with temperatures fluctuating between 11.1°C (52°F) to 5.6°C (42.1°F). The respite from cold is short-lived as, despite July being among the warmest months, it does not signify hot summer days typical of lower latitudes. Weather in July »Weather in August
In August, temperatures in Dalvik edge downwards ever so slightly, ranging from 10°C (50°F) on the warm end to a mild 4.8°C (40.6°F) on the cooler side. Dusk begins to set in noticeably earlier, hinting at the conclusion of the brief but vibrant Icelandic summer. Weather in August »Weather in September
September marks the onset of autumn in Dalvik, with temperatures receding to a range of 6.9°C (44.4°F) to 2.3°C (36.1°F). The lush landscapes begin to morph, with hues of orange, red, and yellow making a grand appearance. Weather in September »Weather in October
Dalvik in October experiences a noticeable decrease in temperatures, falling from 1.9°C (35.4°F) as the high to a colder -2.1°C (28.2°F) at its lowest. The changing leaves signal the arrival of late autumn, giving one last color display before succumbing to the impending winter. Weather in October »Weather in November
November in Dalvik is marked by a distinct transition into winter, with temperatures plunging to negative values, fluctuating between -1.8°C (28.8°F) and -5.9°C (21.4°F). Snowfall starts to become more frequent and intense, rapidly transforming the landscape into a white panorama. Weather in November »Weather in December
Dalvik's December is characterized by the full reign of winter, with temperatures dropping to -3.8°C (25.2°F) at their highest and plummeting to a biting -9.1°C (15.6°F) at the bottom end. With the landscape blanketed in snow, December becomes home to winter-specific events and activities. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Dalvik, Iceland
The warmest month (with the highest average high temperature) is July (11.1°C).
The month with the lowest average high temperature is December (-3.8°C).
The month with the highest average low temperature is July (5.6°C).
The coldest month (with the lowest average low temperature) is December (-9.1°C).
Average pressure
Dalvik, Iceland
- Average pressure in January:
998.5mbar - Average pressure in February:
1000mbar - Average pressure in March:
1004.9mbar - Average pressure in April:
1010.3mbar - Average pressure in May:
1013.1mbar - Average pressure in June:
1014.3mbar
- Average pressure in July:
1010.2mbar - Average pressure in August:
1008.5mbar - Average pressure in September:
1003.7mbar - Average pressure in October:
1005.1mbar - Average pressure in November:
1003.1mbar - Average pressure in December:
999.9mbar
The month with the highest atmospheric pressure is June (1014.3mbar).
The month with the lowest atmospheric pressure is January (998.5mbar).
Average wind speed
Dalvik, Iceland
- Average wind speed in January:
16.1km/h - Average wind speed in February:
15.7km/h - Average wind speed in March:
15.4km/h - Average wind speed in April:
13.4km/h - Average wind speed in May:
12.4km/h - Average wind speed in June:
10km/h
- Average wind speed in July:
9.9km/h - Average wind speed in August:
10.3km/h - Average wind speed in September:
12.9km/h - Average wind speed in October:
13.2km/h - Average wind speed in November:
15km/h - Average wind speed in December:
16.3km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity
Dalvik, Iceland
The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (77%).
Average rainfall
Dalvik, Iceland
The wettest month (with the highest rainfall) is December (115mm).
The driest month (with the least rainfall) is June (40mm).
Average rainfall days
Dalvik, Iceland
- Average rainfall days in January:
11.5 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
18.5 days
- Average rainfall days in July:
22.3 days - Average rainfall days in August:
22.3 days - Average rainfall days in September:
21.7 days - Average rainfall days in October:
17.2 days - Average rainfall days in November:
11.2 days - Average rainfall days in December:
9.7 days
The months with the highest number of rainy days are July and August (22.3 days).
The month with the least rainy days is February (7.9 days).
Average snowfall
Dalvik, Iceland
- Average snowfall in January:
408mm - Average snowfall in February:
422mm - Average snowfall in March:
394mm - Average snowfall in April:
209mm - Average snowfall in May:
100mm - Average snowfall in June:
14mm
The month with the highest snowfall is December (511mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days
Dalvik, Iceland
- Average snowfall days in January:
17.8 days - Average snowfall days in February:
17.1 days - Average snowfall days in March:
20.9 days - Average snowfall days in April:
13.8 days - Average snowfall days in May:
6.9 days - Average snowfall days in June:
1.5 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
1.8 days - Average snowfall days in October:
9.4 days - Average snowfall days in November:
14.2 days - Average snowfall days in December:
18.7 days
The month with the highest number of snowfall days is March (20.9 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature
Dalvik, Iceland
The best month for swimming (with the highest average sea temperature) is August (9.3°C).
The coldest month (with the lowest average sea temperature) is February (2.3°C).
Average daylight / Average sunshine
Dalvik, Iceland
- Average daylight in January:
4h and 48min - 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 18min - Average daylight in June:
9h and 48min
- Average daylight in July:
20h and 54min - Average daylight in August:
16h and 48min - Average daylight in September:
13h and 6min - Average daylight in October:
9h and 30min - Average daylight in November:
5h and 54min - Average daylight in December:
3h and 12min
The month with the longest days is July (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 3h and 12min).
- Average sunshine in January:
2h and 12min - Average sunshine in February:
2h and 42min - Average sunshine in March:
3h and 48min - Average sunshine in April:
5h and 12min - Average sunshine in May:
6h and 42min - Average sunshine in June:
1h and 6min
- Average sunshine in July:
4h and 48min - Average sunshine in August:
6h and 24min - Average sunshine in September:
4h and 48min - Average sunshine in October:
3h and 36min - Average sunshine in November:
2h and 30min - Average sunshine in December:
1h and 12min
The month with the most sunshine is May (Average sunshine: 6h and 42min).
The month with the least sunshine is June (Average sunshine: 1h and 6min).
Average sunshine days
Dalvik, Iceland
- Average sunshine days in January:
6.2 days - Average sunshine days in February:
6.5 days - Average sunshine days in March:
6 days - Average sunshine days in April:
8.7 days - Average sunshine days in May:
8.9 days - Average sunshine days in June:
7.1 days
- Average sunshine days in July:
6.7 days - Average sunshine days in August:
6.8 days - Average sunshine days in September:
5.7 days - Average sunshine days in October:
7.3 days - Average sunshine days in November:
7.2 days - Average sunshine days in December:
6 days
The month with the most sunshine days is May (8.9 days).
The month with the least sunshine days is September (5.7 days).
Average UV index
Dalvik, Iceland
The months with the highest UV index are April, May, June, July, August and September (UV index 2).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover
Dalvik, Iceland
The month with the most cloud cover is March (Cloud cover 72).
The month with the least cloud cover is June (Cloud cover 62).
Average visibility
Dalvik, Iceland
The month with the highest visibility is June (9km).
The months with the lowest visibility are January, February, March, April, November and December (7km).





