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
At the onset of May, Lewes records an average high-temperature of a mild 14.5°C (58.1°F), showing little deviation from the preceding month. Lewes's temperature in May lowers to a consistent average of 9°C (48.2°F) during the nights.Humidity
In Lewes, United Kingdom, the average relative humidity in May is 81%.Rainfall
In Lewes, in May, it is raining for 14.3 days, with typically 31mm (1.22") of accumulated precipitation. In Lewes, United Kingdom, during the entire year, the rain falls for 183 days and collects up to 470mm (18.5") of precipitation.Snowfall
In Lewes, snow does not fall in May through October.Daylight
In May, the average length of the day is 15h and 33min.On the first day of May in Lewes, United Kingdom, sunrise is at 5:32 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 4:51 am and sunset at 9:03 pm BST.
Sunshine
In May, the average sunshine in Lewes is 8.6h.UV index
The average daily maximum UV index in May in Lewes is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In May, a regular UV index of 4 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the average May temperature in Lewes?
What is the average humidity in May in Lewes?
How much does it rain in Lewes in May?
When it does not snow in Lewes?
Does it snow in Lewes in May?
What is the average length of the day in May in Lewes?
When are sunrise and sunset in May in Lewes?
How long on average sun shines in May in Lewes?
How high is the UV index in May in Lewes?
Average temperature in May
Lewes, United Kingdom
- Average high temperature in May: 14.5°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The months with the lowest average high temperature are January and February (7.5°C).
- Average low temperature in May: 9°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).
Average pressure in May
Lewes, United Kingdom
- Average pressure in May: 1017mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in May
Lewes, United Kingdom
- Average wind speed in May: 17.2km/h
The windiest month (with the highest average wind speed) is December (24.6km/h).
The calmest month (with the lowest average wind speed) is July (16.8km/h).
Average humidity in May
Lewes, United Kingdom
- Average humidity in May: 81%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in May
Lewes, United Kingdom
- Average rainfall in May: 31mm
The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in May
Lewes, United Kingdom
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is September (12.8 days).
Average snowfall in May
Lewes, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Lewes, United Kingdom
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Lewes, United Kingdom
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in May
Lewes, United Kingdom
- Average sunshine days in May: 13.4 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is November (8.2 days).
Average UV index in May
Lewes, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in May
Lewes, United Kingdom
- Average cloud cover in May: 43
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in May
Lewes, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
Lewes, United Kingdom
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