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Hafnarfjördur Climate by Month

Hafnarfjördur experiences great temperature shifts. The city's weather can transition from mild days to cold weather. It is also known for its large amounts of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Hafnarfjördur is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a moderate 16°C in July to a chilly 4°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to -3°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Hafnarfjördur has a notably wet climate with abundant precipitation, recording 1442 mm of rain/snowfall per year. Hafnarfjördur offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between February (148 mm) and June (88 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Hafnarfjördur 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.

Monthly hours of sunshine

Data from: Reykjavík, Iceland (7 KM, 4 Miles).

Daily hours of sunshine

Data from: Reykjavík, Iceland (7 KM, 4 Miles).

Average water temperature

The mean water temperature over the year in Hafnarfjördur ranges from 6°C in January to 11°C in July.

Water temperature over the year

Data from: Reykjavík, Iceland (7 KM, 4 Miles).

The best time of year to visit Hafnarfjördur in Iceland

Other facts from our historical weather data:
  • Which is the warmest month in Hafnarfjördur?
    July has an average maximum temperature of 16°C and is the warmest month of the year.
  • Which is the coldest month in Hafnarfjördur?
    The coldest month is February with an average maximum temperature of 4°C.
  • Which is the wettest month in Hafnarfjördur?
    February tops the wettest month list with 148 mm of rainfall.
  • Which is the driest month in Hafnarfjördur?
    June is the driest month with 88 mm of precipitation.
  • Which is the sunniest month in Hafnarfjördur?
    May is the sunniest month with an average of 201 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Hafnarfjördur

    Thu   Nov 21
    -4°C | -8°C
    E 11 km/h
    almost clear and no rain

    almost clear and no rain

    Fri   Nov 22
    -3°C | -5°C
    E 14 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sat   Nov 23
    -2°C | -5°C
    NE 14 km/h
    clear and no rain

    clear and no rain