Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As May unfolds, the average high-temperature reaches a fresh 10.5°C (50.9°F), hinting at a slight fluctuation from the previous month. Castlebay consistently logs a low temperature averaging a chilly 9°C (48.2°F) during May, a modest drop from daytime temperatures.Humidity
In May, the average relative humidity is 81%.Rainfall
In May, in Castlebay, United Kingdom, the rain falls for 18.9 days. Throughout May, 52mm (2.05") of precipitation is accumulated. Throughout the year, in Castlebay, there are 242.8 rainfall days, and 799mm (31.46") of precipitation is accumulated.Snowfall
In Castlebay, snow does not fall in March through December.Daylight
The average length of the day in May in Castlebay is 16h and 32min.On the first day of May in Castlebay, sunrise is at 5:40 am and sunset at 9:13 pm. On the last day of the month, sunrise is at 4:45 am and sunset at 10:10 pm BST.
Sunshine
In Castlebay, the average sunshine in May is 7.4h.UV index
May through July and September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the temperature in May in Castlebay?
What is the average humidity in May in Castlebay?
How much does it rain in Castlebay in May?
When it does not snow in Castlebay?
How many hours of daylight does Castlebay have in May?
What time are sunrise and sunset in May in Castlebay?
How long on average sun shines in May in Castlebay?
What are the months with the highest UV index in Castlebay?
What is the UV index intensity in May in Castlebay?
Average temperature in May
Castlebay, United Kingdom
- Average high temperature in May: 10.5°C
The warmest month (with the highest average high temperature) is August (14.5°C).
The months with the lowest average high temperature are February and March (8.2°C).
- Average low temperature in May: 9°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is February (6.3°C).
Average pressure in May
Castlebay, United Kingdom
- Average pressure in May: 1014.3mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is November (1004.9mbar).
Average wind speed in May
Castlebay, United Kingdom
- Average wind speed in May: 28km/h
The windiest month (with the highest average wind speed) is January (42.4km/h).
The calmest month (with the lowest average wind speed) is June (23.9km/h).
Average humidity in May
Castlebay, United Kingdom
- Average humidity in May: 81%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are November and December (75%).
Average rainfall in May
Castlebay, United Kingdom
- Average rainfall in May: 52mm
The wettest month (with the highest rainfall) is December (87mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in May
Castlebay, United Kingdom
- Average rainfall days in May: 18.9 days
The month with the highest number of rainy days is January (23.7 days).
The month with the least rainy days is April (15.8 days).
Average snowfall in May
Castlebay, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Castlebay, United Kingdom
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Castlebay, United Kingdom
- Average daylight in May: 16h and 3min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in May
Castlebay, United Kingdom
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is April (11.7 days).
The month with the least sunshine days is January (4.7 days).
Average UV index in May
Castlebay, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July and September (UV index 4).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Castlebay, United Kingdom
- Average cloud cover in May: 55
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 54).
Average visibility in May
Castlebay, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (10km).
The months with the lowest visibility are January and July (9km).
Castlebay, United Kingdom
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