May weather forecastGullane, United Kingdom
May
Weather in May
The last month of the spring, May, is a cool month in Gullane, United Kingdom, with an average temperature varying between 7.4°C (45.3°F) and 11.8°C (53.2°F).Temperature
Upon the onset of May, Gullane witnesses an average high-temperature of a cool 11.8°C (53.2°F), showing a close resemblance to the prior month. Gullane sustains an average of approximately a frosty 7.4°C (45.3°F) during May nights, with little variation from daytime highs.Humidity
In May, the average relative humidity in Gullane is 82%.Rainfall
In May, the rain falls for 13.7 days. Throughout May, 23mm (0.91") of precipitation is accumulated. In Gullane, during the entire year, the rain falls for 149.7 days and collects up to 321mm (12.64") of precipitation.Snowfall
May through October are months without snowfall.Sea temperature
In May, the average sea temperature is 9.3°C (48.7°F).Note: Swimming in 9.3°C (48.7°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.
Daylight
In Gullane, the average length of the day in May is 16h and 22min.On the first day of the month, sunrise is at 5:25 am and sunset at 8:51 pm. On the last day of May, sunrise is at 4:33 am and sunset at 9:45 pm BST.
Sunshine
In May, the average sunshine in Gullane is 7.8h.UV index
The months with the highest UV index in Gullane are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 4 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Gullane, United Kingdom
- Average high temperature in May: 11.8°C
The warmest month (with the highest average high temperature) is August (16.2°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in May: 7.4°C
The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is January (3.4°C).
Average pressure in May
Gullane, United Kingdom
- Average pressure in May: 1015.5mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1007mbar).
Average wind speed in May
Gullane, United Kingdom
- Average wind speed in May: 18km/h
The windiest months (with the highest average wind speed) are January and December (26.8km/h).
The calmest month (with the lowest average wind speed) is June (15.7km/h).
Average humidity in May
Gullane, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are June and July (85%).
The months with the lowest relative humidity are March and April (81%).
Average rainfall in May
Gullane, United Kingdom
- Average rainfall in May: 23mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in May
Gullane, United Kingdom
- Average rainfall days in May: 13.7 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in May
Gullane, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Gullane, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Gullane, United Kingdom
- Average sea temperature in May: 9.3°C
The best month for swimming (with the highest average sea temperature) is August (14.2°C).
The coldest months (with the lowest average sea temperature) are February and March (6.5°C).
Average daylight in May /
Average sunshine in May
Gullane, United Kingdom
- Average daylight in May: 16h and 24min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in May: 7h and 48min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is October (Average sunshine: 4h and 24min).
Average sunshine days in May
Gullane, United Kingdom
- Average sunshine days in May: 14.9 days
The month with the most sunshine days is December (17.5 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in May
Gullane, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Gullane, United Kingdom
- Average cloud cover in May: 50
The months with the most cloud cover are March, June and November (Cloud cover 54).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in May
Gullane, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
