Sun, sea & sand

Grindavík weather in June

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

17

Holiday weather in June

Poor

Best time to visit: May – August

What is the weather like in Grindavík in June?

In June, Grindavík is cool: daytime highs average 11 °C, and nights cool down to about 8 °C. The sea averages 9.7 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. It rains often – on about 14 days, adding up to 74 mm. All in all, June is not an ideal month for a holiday in Grindavík.

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score161716
Day9°11°13°
Night5°8°9°
Sea8°10°11°
Sun7 h6 h6 h
Rain days161414

More details for June

Daylight
20 h 46 min03:07 – 23:53
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
21 km/haverage daily peakAll months
Cloud cover
76 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 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 %57 %
  • Few rainy daysweight 20 %27 %

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

What to pack in June

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Grindavík in June: quick answers

Is Grindavík hot in June?

No. In June, Grindavík is cool: daytime highs average 11 °C and nights drop to about 8 °C.

Can you swim in Grindavík in June?

Only if you don't mind cold water: in June the sea averages just 9.7 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Grindavík in June?

It rains often – on about 14 days, adding up to 74 mm.

Grindavík 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