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
During May, Nefyn observes a subtle ascent to a still cool 12.2°C (54°F) from April's 10.3°C (50.5°F) in the average high-temperature. Nights in May in Nefyn exhibit a minor reduction to an average low temperature of 9.3°C (48.7°F).Humidity
In Nefyn, the average relative humidity in May is 82%.Rainfall
In Nefyn, in May, during 15.8 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Nefyn, during the entire year, the rain falls for 222.9 days and collects up to 765mm (30.12") of precipitation.Snowfall
In Nefyn, snow does not fall in April through November.Daylight
In Nefyn, the average length of the day in May is 15h and 50min.On the first day of May in Nefyn, sunrise is at 5:43 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 9:32 pm BST.
Sunshine
With an average of 8.3h of sunshine, May has the most sunshine of the year in Nefyn.UV index
The months with the highest UV index in Nefyn are May through August, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 in May translates into this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Nefyn?
What is the average humidity in May in Nefyn?
How many days does it rain in May in Nefyn?
When it does not snow in Nefyn?
How many hours of daylight does Nefyn have in May?
When is the sunrise / sunset in May in Nefyn?
What month has the most sunshine in Nefyn?
How many hours of sunshine does Nefyn have in May?
What is the month with the highest UV index in Nefyn?
How high is the UV index in May in Nefyn?
Average temperature in May
Nefyn, United Kingdom
- Average high temperature in May: 12.2°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (7.7°C).
- Average low temperature in May: 9.3°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5.7°C).
Average pressure in May
Nefyn, 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
Nefyn, United Kingdom
- Average wind speed in May: 19.6km/h
The windiest month (with the highest average wind speed) is December (30.9km/h).
The calmest month (with the lowest average wind speed) is June (18km/h).
Average humidity in May
Nefyn, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are June, July and August (84%).
The month with the lowest relative humidity is November (79%).
Average rainfall in May
Nefyn, United Kingdom
- Average rainfall in May: 40mm
The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in May
Nefyn, United Kingdom
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is December (23.1 days).
The month with the least rainy days is April (14.5 days).
Average snowfall in May
Nefyn, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Nefyn, United Kingdom
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Nefyn, United Kingdom
- Average daylight in May: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in May
Nefyn, United Kingdom
- Average sunshine days in May: 13.5 days
The months with the most sunshine days are April and May (13.5 days).
The month with the least sunshine days is December (4.5 days).
Average UV index in May
Nefyn, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in May
Nefyn, United Kingdom
- Average cloud cover in May: 47
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in May
Nefyn, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Nefyn, United Kingdom
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