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
May
Weather in May
Temperature
The commencement of May brings an average high-temperature of a still cool 12.9°C (55.2°F), marking an inconsequential divergence from April. Recording a slight drop from the daily maximum, Conwy notes an average low temperature of 8.1°C (46.6°F) in the month of May.Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 81%.Rainfall
May is the month with the least rainfall. Rain falls for 16.9 days and accumulates 31mm (1.22") of precipitation.Snowfall
May through October are months without snowfall in Conwy.Sea temperature
In Conwy, in May, the average water temperature is 10.9°C (51.6°F).Note: In 10.9°C (51.6°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).
Daylight
The average length of the day in May is 15h and 54min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:44 pm. On the last day of May, sunrise is at 4:54 am and sunset at 9:31 pm BST.
Sunshine
The months with the most sunshine in Conwy are May and June, with an average of 7.7h of sunshine.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during May translates into the following guidance:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Conwy in May?
What are the least humid months in Conwy?
What is the average humidity in May in Conwy?
What is the driest month in Conwy?
How much does it rain in Conwy in May?
When it does not snow in Conwy?
Does it snow in Conwy in May?
What is the sea water temperature in May in Conwy?
What is the average length of the day in May in Conwy?
What time are sunrise and sunset in May in Conwy?
What is the month with the most sunshine in Conwy?
How many hours of sunshine does Conwy have in May?
What are the months with the highest UV index in Conwy?
How high is the UV index in May in Conwy?
Average temperature in May
Conwy, United Kingdom
- Average high temperature in May: 12.9°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in May: 8.1°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in May
Conwy, United Kingdom
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in May
Conwy, United Kingdom
- Average wind speed in May: 16.3km/h
The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is June (14.4km/h).
Average humidity in May
Conwy, United Kingdom
- Average humidity in May: 81%
The months with the highest relative humidity are January and August (85%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in May
Conwy, United Kingdom
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is November (68mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in May
Conwy, United Kingdom
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is February (15.8 days).
Average snowfall in May
Conwy, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Conwy, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Conwy, United Kingdom
- Average sea temperature in May: 10.9°C
The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest months (with the lowest average sea temperature) are February and March (7.7°C).
Average daylight in May /
Average sunshine in May
Conwy, United Kingdom
- Average daylight in May: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in May: 7h and 4min
The months with the most sunshine are May and June (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in May
Conwy, United Kingdom
- Average sunshine days in May: 11 days
The months with the most sunshine days are March and May (11 days).
The month with the least sunshine days is November (5.2 days).
Average UV index in May
Conwy, 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
Conwy, United Kingdom
- Average cloud cover in May: 49
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 49).
Average visibility in May
Conwy, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are March, September and October (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, November and December (9km).
