Gretna Weather in May

What's the weather like in Gretna (Scotland) in May 2024?

The climate in Gretna during May can be summarized as mild and reasonably dry.

May is in the spring in Gretna and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 6°C (43°F) is normal.

Gretna weather averages (imperial / metric)
Daytime temperature 15°C 59°F
Nightly temperature 6°C 42.8°F
Average temperature 10.5°C 50.9°F
Daily sunshine 6.5 hrs
Avg rainfall 65 mm 2.6 ins
Rainy days 16 days
Sea temperature 10°C 50°F
Humidity 78%
Windspeed 14.8kph 9 mph

On average May is the 3rd driest month of the year in Gretna with around 65mm 2.6 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 6.5 hours of sunshine per day.

May temperatures in Gretna

Gretna average temperature in May

May rainfall

Gretna average rain in May

May hourly sunshine

Gretna 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 Gretna in May 2024.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Gretna weather stats

Gretna weather statistics
Hottest month: July 18.8°C 65.8°F
Driest month: April 58mm 2.3ins
Sunniest month: May 6.5hrs
Coldest month: January 6.3°C 43.3°F
Wettest month: October 108mm 4.3ins
Map showing location of Gretna (54.9938, -3.06594) Gretna map pin © Google

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