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 sea temperature 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
Weather in April
Temperature
The beginning of April records an average high-temperature of a cool 10.2°C (50.4°F), marking a negligible difference from March's 8.3°C (46.9°F). Holyhead's nighttime temperature in April experiences a slight dip from daytime highs, falling to an average of 7.8°C (46°F).Humidity
In April, the average relative humidity in Holyhead, United Kingdom, is 80%.Rainfall
In Holyhead, in April, during 15.6 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 233.6 rainfall days, and 739mm (29.09") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Sea temperature
In Holyhead, the average seawater temperature in April is 9°C (48.2°F).Note: Dipping in 9°C (48.2°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
In Holyhead, the average length of the day in April is 14h and 1min.On the first day of April, sunrise is at 6:50 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:46 pm BST.
Sunshine
In Holyhead, United Kingdom, the average sunshine in April is 8h.UV index
In Holyhead, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the average April temperature in Holyhead?
What is the average humidity in April in Holyhead?
How much does it rain in Holyhead in April?
When it does not snow in Holyhead?
Does it snow in Holyhead in April?
What is the water temperature in April in Holyhead?
How many hours of daylight does Holyhead have in April?
What time are sunrise and sunset in April in Holyhead?
How many hours of sunshine does Holyhead have in April?
What is the UV index intensity in April in Holyhead?
Average temperature in April
Holyhead, United Kingdom
- Average high temperature in April: 10.2°C
The warmest month (with the highest average high temperature) is August (16.6°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in April: 7.8°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure in April
Holyhead, United Kingdom
- Average pressure in April: 1015mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in April
Holyhead, United Kingdom
- Average wind speed in April: 20.4km/h
The windiest month (with the highest average wind speed) is December (31.3km/h).
The calmest month (with the lowest average wind speed) is June (18.7km/h).
Average humidity in April
Holyhead, United Kingdom
- Average humidity in April: 80%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is November (79%).
Average rainfall in April
Holyhead, United Kingdom
- Average rainfall in April: 37mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is May (36mm).
Average rainfall days in April
Holyhead, United Kingdom
- Average rainfall days in April: 15.6 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is April (15.6 days).
Average snowfall in April
Holyhead, United Kingdom
- Average snowfall in April: 0mm
The months with the highest snowfall are January and December (4mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Holyhead, United Kingdom
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in April
Holyhead, United Kingdom
- Average sea temperature in April: 9°C
The best month for swimming (with the highest average sea temperature) is September (15.2°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in April /
Average sunshine in April
Holyhead, United Kingdom
- Average daylight in April: 14h and 0min
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 April: 8h and 0min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in April
Holyhead, United Kingdom
- Average sunshine days in April: 12.1 days
The month with the most sunshine days is May (12.3 days).
The month with the least sunshine days is December (4.3 days).
Average UV index in April
Holyhead, United Kingdom
- Average UV index in April: 3
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 and December (UV index 2).
Average cloud cover in April
Holyhead, United Kingdom
- Average cloud cover in April: 47
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility in April
Holyhead, United Kingdom
- Average visibility in April: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Holyhead, United Kingdom
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