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
An average high-temperature of a still fresh 12.9°C (55.2°F) marks May, exhibiting a close resemblance to the conditions in April. The nights of May cool down to an average low of 8.3°C (46.9°F), subtly lower than daytime highs.Humidity
In Caernarfon, United Kingdom, the average relative humidity in May is 82%.Rainfall
May is the month with the least rainfall. Rain falls for 16.8 days and accumulates 37mm (1.46") of precipitation.Snowfall
In Caernarfon, snow does not fall in May through October.Daylight
In Caernarfon, the average length of the day in May is 15h and 52min.On the first day of the month, sunrise is at 5:42 am and sunset at 8:46 pm. On the last day of May, in Caernarfon, sunrise is at 4:56 am and sunset at 9:32 pm BST.
Sunshine
May has the most sunshine of the year in Caernarfon, with an average of 7.9h of sunshine.UV index
The months with the highest UV index in Caernarfon are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 4 in May transforms into this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. It's recommended to limit sun exposure when its radiation is at its peak during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the temperature in May in Caernarfon?
What is the average humidity in May in Caernarfon?
What is the driest month in Caernarfon?
How much does it rain in Caernarfon in May?
When it does not snow in Caernarfon?
Does it snow in Caernarfon in May?
How many hours of daylight does Caernarfon have in May?
What time are sunrise and sunset in May in Caernarfon?
What month has the most sunshine in Caernarfon?
How long on average sun shines in May in Caernarfon?
When is the highest UV index in Caernarfon?
How high is the UV index in May in Caernarfon?
Average temperature in May
Caernarfon, United Kingdom
- Average high temperature in May: 12.9°C
The warmest month (with the highest average high temperature) is July (16.7°C).
The month with the lowest average high temperature is February (7°C).
- Average low temperature in May: 8.3°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in May
Caernarfon, 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
Caernarfon, United Kingdom
- Average wind speed in May: 16.8km/h
The windiest month (with the highest average wind speed) is December (25.3km/h).
The calmest month (with the lowest average wind speed) is June (15.1km/h).
Average humidity in May
Caernarfon, United Kingdom
- Average humidity in May: 82%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is April (81%).
Average rainfall in May
Caernarfon, United Kingdom
- Average rainfall in May: 37mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days in May
Caernarfon, United Kingdom
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is August (23.6 days).
The month with the least rainy days is April (16.3 days).
Average snowfall in May
Caernarfon, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Caernarfon, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.9 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
Caernarfon, 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 5min
The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in May
Caernarfon, United Kingdom
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is April (11.4 days).
The month with the least sunshine days is December (4.2 days).
Average UV index in May
Caernarfon, 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
Caernarfon, United Kingdom
- Average cloud cover in May: 49
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 49).
Average visibility in May
Caernarfon, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, November and December (9km).
Caernarfon, United Kingdom
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