May weather forecastKirkwall, United Kingdom
May
Weather in May
May, the last month of the spring in Kirkwall, is another chilly month, with temperature in the range of an average low of 8°C (46.4°F) and an average high of 9.8°C (49.6°F).Temperature
Kirkwall records an average high-temperature of a still chilly 9.8°C (49.6°F) in May, closely mirroring the climate of the previous month. Kirkwall sustains a near constant temperature throughout May, with nighttime averages of 8°C (46.4°F).Humidity
In May, the average relative humidity is 81%.Rainfall
In Kirkwall, United Kingdom, in May, it is raining for 17.3 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, there are 233.4 rainfall days, and 572mm (22.52") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Kirkwall.Sea temperature
In Kirkwall, in May, the average water temperature is 9.3°C (48.7°F).Note: Swimming in 9.3°C (48.7°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
In Kirkwall, the average length of the day in May is 16h and 58min.On the first day of May in Kirkwall, sunrise is at 5:12 am and sunset at 9:05 pm. On the last day of the month, sunrise is at 4:10 am and sunset at 10:08 pm BST.
Sunshine
In Kirkwall, the average sunshine in May is 7.3h.UV index
The average daily maximum UV index in May in Kirkwall, United Kingdom, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 3 in May translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kirkwall, United Kingdom
- Average high temperature in May: 9.8°C
The warmest month (with the highest average high temperature) is August (14.2°C).
The month with the lowest average high temperature is February (7°C).
- Average low temperature in May: 8°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is February (5.5°C).
Average pressure in May
Kirkwall, United Kingdom
- Average pressure in May: 1014.4mbar
The months with the highest atmospheric pressure are May and June (1014.4mbar).
The month with the lowest atmospheric pressure is December (1003.7mbar).
Average wind speed in May
Kirkwall, United Kingdom
- Average wind speed in May: 24.6km/h
The windiest month (with the highest average wind speed) is January (38.7km/h).
The calmest months (with the lowest average wind speed) are June and July (22.5km/h).
Average humidity in May
Kirkwall, United Kingdom
- Average humidity in May: 81%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January and December (75%).
Average rainfall in May
Kirkwall, United Kingdom
- Average rainfall in May: 41mm
The wettest months (with the highest rainfall) are January and December (60mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in May
Kirkwall, United Kingdom
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is December (23.5 days).
The month with the least rainy days is June (15.5 days).
Average snowfall in May
Kirkwall, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Kirkwall, United Kingdom
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are February and March (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Kirkwall, United Kingdom
- 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).
Average daylight in May /
Average sunshine in May
Kirkwall, United Kingdom
- Average daylight in May: 17h and 0min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in May: 7h and 18min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in May
Kirkwall, United Kingdom
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is May (11.4 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in May
Kirkwall, United Kingdom
- Average UV index in May: 3
The months with the highest UV index are June, July and September (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in May
Kirkwall, United Kingdom
- Average cloud cover in May: 56
The months with the most cloud cover are January and March (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 56).
Average visibility in May
Kirkwall, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and March (9km).
