The climate in Shetland during May can be summarized as cool and reasonably dry.
May is in the spring in Shetland and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 10°C (51°F), whilst at night 5°C (42°F) is normal.
|Daytime temperature||10.3°C 50.5°F|
|Nightly temperature||5.3°C 41.5°F|
|Average temperature||7.8°C 46°F|
|Daily sunshine||5.4 hrs|
|Avg rainfall||60 mm 2.4 ins|
|Rainy days||17 days|
|Sea temperature||9°C 48.2°F|
|Windspeed||22.2kph 14 mph|
On average May is the 2nd driest month of the year in Shetland with around 60mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
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 Shetland in May 2023.
|Hottest month:||August||14.2°C 57.6°F|
|Driest month:||June||59mm 2.3ins|
|Coldest month:||February||5.2°C 41.4°F|
|Wettest month:||November||140mm 5.5ins|