Kjalarnes Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kjalarnes.
Climate overview of Kjalarnes
The climate in Kjalarnes, Iceland, is marked by large temperature swings across the seasons, ranging from 16°C (61°F) in July to 3°C (37°F) in January.
The city receives considerable rain/snowfall, with around 1394 mm (55 in) annually. February is the wettest month. It has mild summers and cold winters. Sunshine peaks in May, when the city sees around 6.7 hours of sunshine per day.
Kjalarnes Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kjalarnes - and find the best time to visit.
Monthly Temperature in Kjalarnes
In Kjalarnes, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a moderate 16°C (61°F) in July to a chilly 3°C (37°F) in the coolest month, January.
Nights vary from 9°C (48°F) in July to around -4°C (25°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kjalarnes
Kjalarnes experiences significant rain/snowfall throughout the year, averaging 1394 mm (55 in) of precipitation annually. Kjalarnes offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month February (147 mm (5.8 in)) and the driest month June (83 mm (3.3 in)) is not too significant. For more details, please visit our Kjalarnes Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Kjalarnes
For those who appreciate different seasons, Kjalarnes serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.7 hours of sunshine daily, and embrace the darker days in January, offering only 0.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Kjalarnes
The mean water temperature over the year ranges from 6°C (43°F) in January to 11°C (52°F) in July.
Water temperature over the year
Humidity in Kjalarnes by Month
The relative humidity is high throughout the year in Kjalarnes.
The city experiences its highest humidity in July, reaching 81%. In May, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Kjalarnes
The mean wind speed varies between 4 m/s (8 knots) and 6 m/s (12 knots) throughout the year. It is lowest in July and highest during January, February, March, April, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Kjalarnes
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June and July
- Warmest weather: July and August
- Most sunshine: May
- Seasonal pattern: Mild summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Kjalarnes
What is the best time to visit Kjalarnes?
June and July typically offer the most optimal weather in Kjalarnes. In contrast, January, February, March, April, September, October, November and December tend to have less optimal conditions. Kjalarnes has mild summers and cold winters.
What temperatures can I expect in Kjalarnes?
Daytime highs range from 3°C (37°F) in January to 16°C (61°F) in July. Nighttime lows range from -4°C (25°F) to 9°C (48°F). Temperatures vary considerably through the year.
How much rain does Kjalarnes get?
Annual rainfall is around 1394 mm (55 in). February is the wettest month with 147 mm (5.8 in), while June is the driest with 83 mm (3.3 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Kjalarnes?
Kjalarnes receives around 1,327 hours of sunshine per year. May is the sunniest month with 201 hours, while January is the cloudiest with just 20 hours.
Kjalarnes 3-Day Forecast
Kjalarnes on the map
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