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
May
Weather in May
Temperature
May's onset records an average high-temperature of a mild 14.6°C (58.3°F), a near match to April's 12.3°C (54.1°F). Caerphilly sees an average low-temperature of 7.8°C (46°F) during May.Humidity
April and May, with an average relative humidity of 82%, are the least humid months in Caerphilly, United Kingdom.Rainfall
In May, the rain falls for 13.6 days. Throughout May, 25mm (0.98") of precipitation is accumulated. In Caerphilly, during the entire year, the rain falls for 155.7 days and collects up to 409mm (16.1") of precipitation.Snowfall
In Caerphilly, snow does not fall in April through October.Daylight
In May, the average length of the day is 15h and 39min.On the first day of May in Caerphilly, sunrise is at 5:43 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:01 am and sunset at 9:20 pm BST.
Sunshine
April, May and July, with an average of 8h of sunshine, are months with the most sunshine in Caerphilly.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 4 in May suggests the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Caerphilly in May?
What is the least humid month in Caerphilly?
What is the average humidity in May in Caerphilly?
How much does it rain in Caerphilly in May?
When it does not snow in Caerphilly?
How many hours of daylight does Caerphilly have in May?
When is the sunrise / sunset in May in Caerphilly?
What is the month with the most sunshine in Caerphilly?
How long on average sun shines in May in Caerphilly?
What is the month with the highest UV index in Caerphilly?
What is the UV index intensity in May in Caerphilly?
Average temperature in May
Caerphilly, United Kingdom
- Average high temperature in May: 14.6°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in May: 7.8°C
The months with the highest average low temperature are July and August (12.5°C).
The coldest months (with the lowest average low temperature) are January and February (3.3°C).
Average pressure in May
Caerphilly, United Kingdom
- Average pressure in May: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in May
Caerphilly, United Kingdom
- Average wind speed in May: 15.4km/h
The windiest month (with the highest average wind speed) is February (21.5km/h).
The calmest months (with the lowest average wind speed) are June and July (14.6km/h).
Average humidity in May
Caerphilly, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are January, November and December (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in May
Caerphilly, United Kingdom
- Average rainfall in May: 25mm
The wettest month (with the highest rainfall) is November (54mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in May
Caerphilly, United Kingdom
- Average rainfall days in May: 13.6 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in May
Caerphilly, United Kingdom
- Average snowfall in May: 0mm
The months with the highest snowfall are January and February (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Caerphilly, United Kingdom
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Caerphilly, United Kingdom
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in May: 8h and 0min
The months with the most sunshine are April, May and July (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in May
Caerphilly, United Kingdom
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in May
Caerphilly, 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
Caerphilly, United Kingdom
- Average cloud cover in May: 48
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 47).
Average visibility in May
Caerphilly, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
