Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
Harlech notes an average high-temperature of a cool 11°C (51.8°F) in April, displaying minor variation from March. In Harlech, the average nighttime temperature during April is an icy 3.9°C (39°F).Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 84%.Rainfall
April and May are months with the least rain when the rain falls for 17.4 days and typically aggregates up to 52mm (2.05") of rain.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Harlech aggregates 17mm (0.67") of snow. In Harlech, during the entire year, snow falls for 22.5 days and aggregates up to 260mm (10.24") of snow.Daylight
In April, the average length of the day is 13h and 59min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:51 pm. On the last day of April, in Harlech, sunrise is at 5:44 am and sunset at 8:42 pm BST.
Sunshine
In April, the average sunshine is 6h.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 during April translates into the following directions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Harlech?
What are the least humid months in Harlech?
What is the average humidity in April in Harlech?
What is the driest month in Harlech?
How much does it rain in Harlech in April?
What is the last month it snows in Harlech?
What is the average length of the day in April in Harlech?
What time are sunrise and sunset in April in Harlech?
How many hours of sunshine does Harlech have in April?
When is the lowest UV index in Harlech?
How high is the UV index in April in Harlech?
Average temperature in April
Harlech, United Kingdom
- Average high temperature in April: 11°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 April: 3.9°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 April
Harlech, United Kingdom
- Average pressure in April: 1015.1mbar
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 April
Harlech, United Kingdom
- Average wind speed in April: 12.3km/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 April
Harlech, United Kingdom
- Average humidity in April: 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 April
Harlech, United Kingdom
- Average rainfall in April: 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 April
Harlech, United Kingdom
- Average rainfall days in April: 17.4 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 April
Harlech, United Kingdom
- Average snowfall in April: 17mm
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 April
Harlech, United Kingdom
- Average snowfall days in April: 0.8 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 April /
Average sunshine in April
Harlech, United Kingdom
- Average daylight in April: 14h and 0min
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 April: 6h and 0min
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 April
Harlech, United Kingdom
- Average sunshine days in April: 9.9 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 April
Harlech, United Kingdom
- Average UV index in April: 2
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 April
Harlech, United Kingdom
- Average cloud cover in April: 60
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 April
Harlech, United Kingdom
- Average visibility in April: 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).
