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
The arrival of May coincides with an average high-temperature of a still cool 12.8°C (55°F), indicating a minimal shift from April's 10.7°C (51.3°F). Maintaining close parity with daytime warmth, the average nocturnal temperature during May stays at a frosty 8.3°C (46.9°F).Humidity
April and May, with an average relative humidity of 81%, are the least humid months.Rainfall
In Rhyl, during May, the rain falls for 12.8 days and regularly aggregates up to 20mm (0.79") of precipitation. In Rhyl, United Kingdom, during the entire year, the rain falls for 160.9 days and collects up to 292mm (11.5") of precipitation.Snowfall
May through November are months without snowfall in Rhyl.Sea temperature
In May, the average sea temperature is 11.1°C (52°F).Note: Entering waters of 11.1°C (52°F) is life-endangering. A mere moment in 13°C (55.4°F) waters feels piercing cold, and below 10°C (50°F) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.
Daylight
In Rhyl, United Kingdom, the average length of the day in May is 15h and 54min.On the first day of May, sunrise is at 5:38 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 4:52 am and sunset at 9:30 pm BST.
Sunshine
May has the most sunshine of the year in Rhyl, with an average of 7.7h of sunshine.UV index
The months with the highest UV index in Rhyl, United Kingdom, are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What are the temperatures in Rhyl in May?
What are the least humid months in Rhyl?
What is the average humidity in May in Rhyl?
How many days does it rain in May in Rhyl?
When it does not snow in Rhyl?
Does it snow in Rhyl in May?
How cold is the water in May in Rhyl?
How many hours of daylight does Rhyl have in May?
When is the sunrise / sunset in May in Rhyl?
What month has the most sunshine in Rhyl?
How many hours of sunshine does Rhyl have in May?
What is the month with the highest UV index in Rhyl?
How high is the UV index in May in Rhyl?
Average temperature in May
Rhyl, United Kingdom
- Average high temperature in May: 12.8°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in May: 8.3°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is February (4.1°C).
Average pressure in May
Rhyl, 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 (1008.9mbar).
Average wind speed in May
Rhyl, United Kingdom
- Average wind speed in May: 16.5km/h
The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is June (14.8km/h).
Average humidity in May
Rhyl, United Kingdom
- Average humidity in May: 81%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in May
Rhyl, United Kingdom
- Average rainfall in May: 20mm
The wettest month (with the highest rainfall) is June (34mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in May
Rhyl, United Kingdom
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in May
Rhyl, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Rhyl, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Rhyl, United Kingdom
- Average sea temperature in May: 11.1°C
The best month for swimming (with the highest average sea temperature) is August (16.7°C).
The coldest months (with the lowest average sea temperature) are February and March (7.4°C).
Average daylight in May /
Average sunshine in May
Rhyl, 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 month with the most sunshine is May (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in May
Rhyl, United Kingdom
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is March (15.3 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in May
Rhyl, 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
Rhyl, United Kingdom
- Average cloud cover in May: 49
The month with the most cloud cover is November (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 49).
Average visibility in May
Rhyl, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
Rhyl, United Kingdom
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