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
The transition into May is marked with an average high-temperature of a mild 14.1°C (57.4°F), showing an insignificant shift from April's 11.9°C (53.4°F). An average low-temperature of 7.9°C (46.2°F) is noted during the nights in May.Humidity
The months with the lowest humidity in Carmarthen are April and May, with an average relative humidity of 82%.Rainfall
May is the month with the least rainfall. Rain falls for 15.2 days and accumulates 24mm (0.94") of precipitation.Snowfall
In Carmarthen, snow does not fall in March through October.Daylight
In May, the average length of the day in Carmarthen is 15h and 41min.On the first day of the month, sunrise is at 5:46 am and sunset at 8:42 pm. On the last day of May, sunrise is at 5:04 am and sunset at 9:26 pm BST.
Sunshine
The month with the most sunshine in Carmarthen is May, with an average of 8h of sunshine.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Carmarthen, United Kingdom. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the average May temperature in Carmarthen?
What are the least humid months in Carmarthen?
What is the average humidity in May in Carmarthen?
What is the driest month in Carmarthen?
How many days does it rain in May in Carmarthen?
When it does not snow in Carmarthen?
How many hours of daylight does Carmarthen have in May?
When are sunrise and sunset in May in Carmarthen?
What month has the most sunshine in Carmarthen?
How many hours of sunshine does Carmarthen have in May?
When is the highest UV index in Carmarthen?
What is the UV index intensity in May in Carmarthen?
Average temperature in May
Carmarthen, United Kingdom
- Average high temperature in May: 14.1°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is February (7.6°C).
- Average low temperature in May: 7.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in May
Carmarthen, United Kingdom
- Average pressure in May: 1016.6mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in May
Carmarthen, United Kingdom
- Average wind speed in May: 15.2km/h
The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is June (14.5km/h).
Average humidity in May
Carmarthen, United Kingdom
- Average humidity in May: 82%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in May
Carmarthen, United Kingdom
- Average rainfall in May: 24mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is May (24mm).
Average rainfall days in May
Carmarthen, United Kingdom
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is December (20.6 days).
The month with the least rainy days is April (13.5 days).
Average snowfall in May
Carmarthen, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Carmarthen, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 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
Carmarthen, 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 month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Carmarthen, United Kingdom
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is March (13.2 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in May
Carmarthen, 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
Carmarthen, United Kingdom
- Average cloud cover in May: 48
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility in May
Carmarthen, 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).
Carmarthen, United Kingdom
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