May weather forecastScalloway, United Kingdom
May
Weather in May
The last month of the spring, May, is also a frosty month in Scalloway, United Kingdom, with temperature in the range of an average low of 7.6°C (45.7°F) and an average high of 9.5°C (49.1°F).Temperature
Scalloway's weather in May indicates an average high-temperature of a still frosty 9.5°C (49.1°F), nearly consistent with the 8.1°C (46.6°F) of April. In Scalloway, May nights maintain a consistent temperature, with an average low of 7.6°C (45.7°F).Humidity
In Scalloway, the average relative humidity in May is 81%.Rainfall
In Scalloway, in May, it is raining for 17.3 days, with typically 42mm (1.65") of accumulated precipitation. In Scalloway, during the entire year, the rain falls for 250.8 days and collects up to 719mm (28.31") of precipitation.Snowfall
January through May, November and December are months with snowfall in Scalloway. May is the last month it regularly snows. During 0.3 snowfall days, in May, Scalloway aggregates 1mm (0.04") of snow. In Scalloway, during the entire year, snow falls for 9.3 days and aggregates up to 47mm (1.85") of snow.Daylight
In Scalloway, United Kingdom, the average length of the day in May is 17h and 14min.On the first day of the month, sunrise is at 5:00 am and sunset at 9:04 pm. On the last day of May, in Scalloway, sunrise is at 3:53 am and sunset at 10:12 pm BST.
Sunshine
In May, the average sunshine in Scalloway is 7.7h.UV index
In Scalloway, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 during May translates into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Scalloway, United Kingdom
- Average high temperature in May: 9.5°C
The warmest month (with the highest average high temperature) is August (14°C).
The month with the lowest average high temperature is February (6.8°C).
- Average low temperature in May: 7.6°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 (4.9°C).
Average pressure in May
Scalloway, United Kingdom
- Average pressure in May: 1014.3mbar
The months with the highest atmospheric pressure are May and June (1014.3mbar).
The month with the lowest atmospheric pressure is December (1002.5mbar).
Average wind speed in May
Scalloway, 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 month (with the lowest average wind speed) is July (22.5km/h).
Average humidity in May
Scalloway, United Kingdom
- Average humidity in May: 81%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is December (75%).
Average rainfall in May
Scalloway, United Kingdom
- Average rainfall in May: 42mm
The wettest month (with the highest rainfall) is December (90mm).
The driest month (with the least rainfall) is June (32mm).
Average rainfall days in May
Scalloway, United Kingdom
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is December (25.8 days).
The month with the least rainy days is June (14.8 days).
Average snowfall in May
Scalloway, United Kingdom
- Average snowfall in May: 1mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Scalloway, United Kingdom
- Average snowfall days in May: 0.3 days
The months with the highest number of snowfall days are February and March (2.2 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Scalloway, United Kingdom
- Average daylight in May: 17h and 12min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in May: 7h and 42min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in May
Scalloway, United Kingdom
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is June (12.1 days).
The month with the least sunshine days is December (2.1 days).
Average UV index in May
Scalloway, United Kingdom
- Average UV index in May: 3
The months with the highest UV index are June and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in May
Scalloway, United Kingdom
- Average cloud cover in May: 56
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 56).
Average visibility in May
Scalloway, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are February, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, March, November and December (9km).
