United Kingdom
Long-term weather forecast
Long-term weather forecast

May weather forecast and Climate
Kirkwall, United Kingdom

  • The average high temperature in May: 12°C

The warmest month (with the highest average high temperature) is August (16°C).
Months with the lowest average high temperature are January and February (6.4°C).

  • The average low temperature in May: 5.6°C

The month with the highest average low temperature is August (10.3°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).

  • The average rainfall in May: 48mm

Wettest months (with the highest rainfall) are October and November (126mm).
The driest month (with the lowest rainfall) is May (48mm).

  • The average rainfall days in May: 10.6 days

The month with the highest number of rainy days is November (20.8 days).
The month with the lowest number of rainy days is May (10.6 days).

  • The average sea temperature in May: 9.3°C

The best month for swimming (with the highest average sea temperature) is August (13.3°C).
The coldest month (with the lowest average sea temperature) is March (7.1°C).

  • The average daylight in May: 17h

Months with the longest days are June and July (Average daylight: 18h).
The month with shortest days is December (Average daylight: 6h).

  • The average sunshine in May: 6.1h

The month with most sunshine is May (Average sunshine: 6.1h).
The month with least sunshine is December (Average sunshine: 0.8h).

  • The average UV index in May: 4

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, November and December (UV index 0).