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
In the transition from April to May, Harlech reports an average high-temperature of a refreshing 13.6°C (56.5°F), indicating a close resemblance to the prior month. Harlech, during the month of May, experiences an average low-temperature of 6.1°C (43°F).Humidity
April and May, with an average relative humidity of 84%, are the least humid months in Harlech.Rainfall
April and May are months with the least rain in Harlech when the rain falls for 19.4 days and typically aggregates up to 52mm (2.05") of rain.Snowfall
May through October are months without snowfall in Harlech.Daylight
In May, the average length of the day in Harlech, United Kingdom, is 15h and 50min.On the first day of May in Harlech, sunrise is at 5:42 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 4:57 am and sunset at 9:30 pm BST.
Sunshine
May and June, with an average of 6.2h of sunshine, are months with the most sunshine.UV index
May, June and August, with an average maximum UV index of 4, are months with the highest UV index in Harlech. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in May translates into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the temperature in May in Harlech?
What is the least humid month in Harlech?
What is the average humidity in May in Harlech?
What is the driest month in Harlech?
How much does it rain in Harlech in May?
When it does not snow in Harlech?
Does it snow in Harlech in May?
How many hours of daylight does Harlech have in May?
What time are sunrise and sunset in May in Harlech?
What is the month with the most sunshine in Harlech?
How many hours of sunshine does Harlech have in May?
What are the months with the highest UV index in Harlech?
What is the UV index reading in May in Harlech?
Average temperature in May
Harlech, United Kingdom
- Average high temperature in May: 13.6°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in May: 6.1°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in May
Harlech, United Kingdom
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in May
Harlech, United Kingdom
- Average wind speed in May: 12.5km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is June (11.2km/h).
Average humidity in May
Harlech, United Kingdom
- Average humidity in May: 84%
The months with the highest relative humidity are January and December (91%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in May
Harlech, United Kingdom
- Average rainfall in May: 52mm
The wettest month (with the highest rainfall) is December (103mm).
The driest months (with the least rainfall) are April and May (52mm).
Average rainfall days in May
Harlech, United Kingdom
- Average rainfall days in May: 19.4 days
The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (15.3 days).
Average snowfall in May
Harlech, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (70mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Harlech, United Kingdom
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harlech, 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: 6h and 1min
The months with the most sunshine are May and June (Average sunshine: 6h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in May
Harlech, United Kingdom
- Average sunshine days in May: 9.1 days
The month with the most sunshine days is March (10.8 days).
The month with the least sunshine days is August (5.9 days).
Average UV index in May
Harlech, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in May
Harlech, United Kingdom
- Average cloud cover in May: 61
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in May
Harlech, United Kingdom
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (8km).
The months with the lowest visibility are August and September (7km).
Harlech, United Kingdom
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