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 sea temperature 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
Grays notes an average high-temperature of an enjoyable 16.3°C (61.3°F) in May, displaying minor variation from April. During May, the temperature is averaged to a low of 8.1°C (46.6°F) at night.Humidity
In May, the average relative humidity in Grays is 77%.Rainfall
In Grays, United Kingdom, in May, it is raining for 13.9 days, with typically 23mm (0.91") of accumulated precipitation. In Grays, during the entire year, the rain falls for 160.1 days and collects up to 378mm (14.88") of precipitation.Snowfall
In Grays, snow does not fall in May through October.Sea temperature
In May, the average sea temperature in Grays is 11.5°C (52.7°F).Note: Swimming at temperatures less than 10°C (50°F) in 11.5°C (52.7°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
Daylight
In Grays, the average length of the day in May is 15h and 38min.On the first day of the month, sunrise is at 5:29 am and sunset at 8:22 pm. On the last day of May, sunrise is at 4:47 am and sunset at 9:05 pm BST.
Sunshine
In Grays, the average sunshine in May is 7.7h.UV index
In Grays, United Kingdom, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What is the usual temperature for Grays in May?
What is the average humidity in May in Grays?
How much does it rain in Grays in May?
When it does not snow in Grays?
Does it snow in Grays in May?
What is the water temperature in May in Grays?
How many hours of daylight does Grays have in May?
When is the sunrise / sunset in May in Grays?
How many hours of sunshine does Grays have in May?
What is the UV index reading in May in Grays?
Average temperature in May
Grays, United Kingdom
- Average high temperature in May: 16.3°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in May: 8.1°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in May
Grays, United Kingdom
- Average pressure in May: 1016.8mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in May
Grays, United Kingdom
- Average wind speed in May: 13.8km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest months (with the lowest average wind speed) are July and August (13.2km/h).
Average humidity in May
Grays, United Kingdom
- Average humidity in May: 77%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (73%).
Average rainfall in May
Grays, United Kingdom
- Average rainfall in May: 23mm
The wettest month (with the highest rainfall) is December (47mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in May
Grays, United Kingdom
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is November (15.2 days).
The month with the least rainy days is September (10.2 days).
Average snowfall in May
Grays, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Grays, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Grays, United Kingdom
- Average sea temperature in May: 11.5°C
The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (7.9°C).
Average daylight in May /
Average sunshine in May
Grays, United Kingdom
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in May: 7h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in May
Grays, United Kingdom
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is November (12.4 days).
Average UV index in May
Grays, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Grays, United Kingdom
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 46).
Average visibility in May
Grays, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Grays, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
