July weather forecast
Holyhead, United Kingdom

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Weather in July

July in Holyhead, United Kingdom, is a refreshing summer month, with an average temperature varying between 16.1°C (61°F) and 13.8°C (56.8°F).

Temperature

The arrival of July brings an average high-temperature of a comfortable 16.1°C (61°F), closely following the temperature pattern of June. Holyhead's average temperature throughout the nights in July exhibits a minor decrease from daytime highs, stabilizing at a mild 13.8°C (56.8°F).

Humidity

The months with the highest humidity are July and August, with an average relative humidity of 84%.

Rainfall

In Holyhead, United Kingdom, in July, it is raining for 19.7 days, with typically 60mm (2.36") of accumulated precipitation. Throughout the year, there are 233.6 rainfall days, and 739mm (29.09") of precipitation is accumulated.

Snowfall

In Holyhead, snow does not fall in April through October.

Sea temperature

In July, the average sea temperature is 14.1°C (57.4°F).
Note: Taking a dip in 14.1°C (57.4°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.

Daylight

The average length of the day in July is 16h and 24min.
On the first day of July in Holyhead, sunrise is at 4:55 am and sunset at 9:49 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 9:15 pm BST.

Sunshine

In Holyhead, the average sunshine in July is 7.8h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In July, a daily maximum UV index of 4 leads to the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What are the temperatures in Holyhead in July?

July temperatures in Holyhead vary between a high-temperature of 16.1°C (61°F) and a low-temperature of 13.8°C (56.8°F).

What is the most humid month in Holyhead?

The months with the highest humidity in Holyhead, United Kingdom, are July and August, with an average relative humidity of 84%.

What is the average humidity in July in Holyhead?

In Holyhead, the average relative humidity in July is 84%.

How many days does it rain in July in Holyhead?

In July, in Holyhead, United Kingdom, the rain falls for 19.7 days. Throughout July, 60mm (2.36") of precipitation is accumulated.

When it does not snow in Holyhead?

In Holyhead, United Kingdom, snow does not fall in April through October.

What is the sea water temperature in July in Holyhead?

In July, the average sea temperature in Holyhead is 14.1°C (57.4°F). Swimming in 14.1°C (57.4°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in July in Holyhead?

The average day length in July is 16h and 24min.

What time are sunrise and sunset in July in Holyhead?

On the first day of July, sunrise is at 4:55 am and sunset at 9:49 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 9:15 pm BST.

How many hours of sunshine does Holyhead have in July?

In Holyhead, the average sunshine duration in July is 7.8h.

When is the highest UV index in Holyhead?

The months with the highest UV index in Holyhead are May through September, with an average maximum UV index of 4.

How high is the UV index in July in Holyhead?

In July, the average daily maximum UV index in Holyhead is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in July
Holyhead, United Kingdom

Average temperature in July - Holyhead, United Kingdom
  • Average high temperature in July: 16.1°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 July: 13.8°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).

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Average pressure in July
Holyhead, United Kingdom

Average pressure in July - Holyhead, United Kingdom
  • Average pressure in July: 1014.1mbar

The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).

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Average wind speed in July
Holyhead, United Kingdom

Average wind speed in July - Holyhead, United Kingdom
  • Average wind speed in July: 19.4km/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).

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Average humidity in July
Holyhead, United Kingdom

Average humidity in July - Holyhead, United Kingdom
  • Average humidity in July: 84%

The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is November (79%).

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Average rainfall in July
Holyhead, United Kingdom

Average rainfall in July - Holyhead, United Kingdom
  • Average rainfall in July: 60mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is May (36mm).

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Average rainfall days in July
Holyhead, United Kingdom

Average rainfall days in July - Holyhead, United Kingdom
  • Average rainfall days in July: 19.7 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).

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Average snowfall in July
Holyhead, United Kingdom

Average snowfall in July - Holyhead, United Kingdom
  • Average snowfall in July: 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).

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Average snowfall days in July
Holyhead, United Kingdom

Average snowfall days in July - Holyhead, United Kingdom
  • Average snowfall days in July: 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).

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Average sea temperature in July
Holyhead, United Kingdom

Average sea temperature in July - Holyhead, United Kingdom
  • Average sea temperature in July: 14.1°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).

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Average daylight in July /
Average sunshine in July
Holyhead, United Kingdom

Average daylight in July / Average sunshine in July - Holyhead, United Kingdom
  • Average daylight in July: 16h and 2min

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 July: 7h and 5min

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).

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Average sunshine days in July
Holyhead, United Kingdom

Average sunshine days in July - Holyhead, United Kingdom
  • Average sunshine days in July: 8.9 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).

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Average UV index in July
Holyhead, United Kingdom

Average UV index in July - Holyhead, United Kingdom
  • Average UV index in July: 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).

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Average cloud cover in July
Holyhead, United Kingdom

Average cloud cover in July - Holyhead, United Kingdom
  • Average cloud cover in July: 51

The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 46).

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Average visibility in July
Holyhead, United Kingdom

Average visibility in July - Holyhead, United Kingdom
  • Average visibility in July: 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).

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Holyhead, United Kingdom

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