Grindavík Weather in May

What's the weather like in Grindavík (Southern Peninsula) in May 2021?

The climate in Grindavík during May can be summarized as cool and reasonably dry.

May is in the spring in Grindavík and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 4°C (38°F) is normal.

Grindavík weather averages (imperial / metric)
Daytime temperature 8.9°C 48°F
Nightly temperature 3.5°C 38.3°F
Average temperature 6.2°C 43.2°F
Daily sunshine 3 hrs
Avg rainfall 68 mm 2.7 ins
Rainy days 16 days
Sea temperature 7.7°C 45.8°F
Humidity 78%
Windspeed 19.8kph 12 mph

On average May is the 2nd driest month of the year in Grindavík with around 68mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 3 hours of sunshine per day.

May temperatures in Grindavík

Grindavík average temperature in May

May rainfall

Grindavík average rain in May

May hourly sunshine

Grindavík average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Grindavík in May 2021.

Other monthly averages

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Grindavík weather stats

Grindavík weather statistics
Hottest month: July 12.8°C 55°F
Driest month: July 67mm 2.6ins
Sunniest month: May 3hrs
Coldest month: January 1.7°C 35.1°F
Wettest month: October 124mm 4.9ins
Map showing location of Grindavík (63.8424, -22.43375)

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