Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average sea temperature in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
At the onset of June, Holyhead records an average high-temperature of a moderate 14.8°C (58.6°F), showing little deviation from the preceding month. Holyhead, during the nights of June, averages a temperature close to its daytime high, at a cool 12.2°C (54°F).Humidity
The average relative humidity in June is 83%.Rainfall
In Holyhead, in June, during 16.5 rainfall days, 51mm (2.01") 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 June is 12.3°C (54.1°F).Note: Dipping into 12.3°C (54.1°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.
Daylight
With an average of 16h and 54min of daylight, June has the longest days of the year in Holyhead.On the first day of June in Holyhead, sunrise is at 4:56 am and sunset at 9:36 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 9:49 pm BST.
Sunshine
In Holyhead, the average sunshine in June is 8.2h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 during June translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the usual temperature for Holyhead in June?
What is the average humidity in June in Holyhead?
How much does it rain in Holyhead in June?
When it does not snow in Holyhead?
What is the water temperature in June in Holyhead?
When are the longest days in Holyhead?
What is the average length of the day in June in Holyhead?
When are sunrise and sunset in June in Holyhead?
How many hours of sunshine does Holyhead have in June?
What are the months with the highest UV index in Holyhead?
How high is the UV index in June in Holyhead?
Average temperature in June
Holyhead, United Kingdom
- Average high temperature in June: 14.8°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 June: 12.2°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 June
Holyhead, United Kingdom
- Average pressure in June: 1015.3mbar
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 June
Holyhead, United Kingdom
- Average wind speed in June: 18.7km/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 June
Holyhead, United Kingdom
- Average humidity in June: 83%
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 June
Holyhead, United Kingdom
- Average rainfall in June: 51mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is May (36mm).
Average rainfall days in June
Holyhead, United Kingdom
- Average rainfall days in June: 16.5 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 June
Holyhead, United Kingdom
- Average snowfall in June: 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 June
Holyhead, United Kingdom
- Average snowfall days in June: 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 June
Holyhead, United Kingdom
- Average sea temperature in June: 12.3°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 June /
Average sunshine in June
Holyhead, United Kingdom
- Average daylight in June: 16h and 5min
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 June: 8h and 1min
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 June
Holyhead, United Kingdom
- Average sunshine days in June: 11.9 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 June
Holyhead, United Kingdom
- Average UV index in June: 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 and December (UV index 2).
Average cloud cover in June
Holyhead, United Kingdom
- Average cloud cover in June: 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 June
Holyhead, United Kingdom
- Average visibility in June: 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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