Sun, sea & sand

Ísafjörður weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

16

Holiday weather in May

Poor

Best time to visit: June

What is the weather like in Ísafjörður in May?

In May, Ísafjörður is cold: daytime highs average 5 °C, and nights cool down to about 2 °C. The sea averages 4.4 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 68 mm in total. Snow falls on about 4 days. All in all, May is not an ideal month for a holiday in Ísafjörður.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score111622
Day2°5°8°
Night−1°2°5°
Sea3°4°7°
Sun5 h6 h6 h
Rain days141310

More details for May

Daylight
19 h 5 min03:56 – 23:01
UV index
4 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
23 km/haverage daily peakAll months
Cloud cover
77 %on averageAll months
Hot days
0 days30 °C or more
Snow days
4 days1 cm or more of fresh snowAll months
Time zone
UTC+0Atlantic/Reykjavik

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %43 %
  • Few rainy daysweight 20 %36 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Sunscreen
  • Warm jacket
  • Hat, scarf & gloves
  • Rain jacket or umbrella

Ísafjörður in May: quick answers

Is Ísafjörður hot in May?

No. In May, Ísafjörður is cold: daytime highs average 5 °C and nights drop to about 2 °C.

Can you swim in Ísafjörður in May?

Only if you don't mind cold water: in May the sea averages just 4.4 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Ísafjörður in May?

Rain is frequent, with about 13 rainy days and 68 mm in total.

Ísafjörður month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences