Hafnarfjördur Weather in June

June in Hafnarfjördur brings moderate temperatures, with daytime highs of 14°C (57°F) and nights around 7°C (45°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.

Rainfall in Hafnarfjördur in June

This is the driest month, making it a great choice for planning outdoor excursions, even if the weather is on the cooler side. Past climate data indicates that roughly 18 days will see rain, totalling around 88 mm (3.5 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Hafnarfjördur in June

If you're visiting Hafnarfjördur in June, expect highs of 14°C (57°F) and overnight lows around 7°C (45°F). June is in the summer season. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Hafnarfjördur in June

You can expect a moderate amount of sunlight, with approximately 173 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Hafnarfjördur in June

Average wind conditions reach 5 m/s (10 knots) in June. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in June

At 9°C (48°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Iceland, check out our Hafnarfjördur's climate page.

Hafnarfjördur Temperature in June

Min Temperature 7°C (45°F)  

Max Temperature 14°C (57°F)  

Water Temperature 9°C (48°F) *  

Chance of Rain 58%  

Precipitation 88 mm (3.5 in)  

Rainy days 18 days  

Humidity 79% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 173 hours *  

Percentage Sunshine 30% *  

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

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Hafnarfjördur typically stay consistent throughout June, with daily highs averaging around 14°C (57°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 8°C (46°F).

Average temperatures in June

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in June

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Historical weather for Hafnarfjördur in June

Browse day-by-day weather records for Hafnarfjördur spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Hafnarfjördur historical weather extremes in June

Based on 49 years of weather observations in Hafnarfjördur between 1976 and 2025, these are the recorded extremes.

• On June 21, 2020, temperatures climbed to 22°C (72°F), marking the warmest June day on record.
• The coldest June day was on June 7, 1997, with a maximum of 4°C (39°F).
• The lowest overnight temperature recorded in June was 0°C (32°F) (June 7, 1997).

What to Wear in Hafnarfjördur in June

The weather can be unpredictable in June, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 9°C (48°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Hafnarfjördur in June

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Iceland, check out our Hafnarfjördur's climate page.

More climate data for Hafnarfjördur

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Hafnarfjördur climate overview or explore weather in Iceland.