The best times to visit Holyhead for ideal weather are

June 11th to September 30th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Holyhead Travel Info

Weather in Holyhead

Temperature

Average temperatures in Holyhead vary somewhat. Considering humidity, temperatures feel cold for most of the year with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 15th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Holyhead, the hottest months are July, August, and then September. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 66.5°F (19.2°C) with temperatures rarely dropping below 52.7°F (11.5°C) at night.

Holyhead Temperatures (Fahrenheit)

Key
High
Average
Low

Holyhead Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Holyhead Perceived Temperature (F)

Key
High
Average
Low

Holyhead Perceived Temperature (C)

Key
High
Average
Low

 

Average Holyhead Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 46.9 43.2 35.6
Feb 47 42.7 35.1
Mar 49.7 44.5 36.3
Apr 54.3 48.5 39
May 58.4 52.7 44
Jun 63.2 57.1 47.6
Jul 65.3 59.9 51.2
Aug 64.6 59.7 49.5
Sep 62.6 57.5 47.5
Oct 58.4 54.1 44.3
Nov 52.7 48.7 40.9
Dec 48.4 44.5 37.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 8.3 6.2 2
Feb 8.3 5.9 1.7
Mar 9.8 6.9 2.4
Apr 12.4 9.2 3.9
May 14.7 11.5 6.7
Jun 17.3 13.9 8.7
Jul 18.5 15.5 10.7
Aug 18.1 15.4 9.7
Sep 17 14.2 8.6
Oct 14.7 12.3 6.8
Nov 11.5 9.3 4.9
Dec 9.1 6.9 3.3

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Holyhead are April, June, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid April. For example, on the week of April 16th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 3 days of significant precipitation the week of December 3rd.

When can you find snow in Holyhead? Weather stations report a bit of annual snow likely to be deepest around January, especially close to mid January. The best time to ski (if at all) in Holyhead is often around around January 15th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Holyhead.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Holyhead (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 35% 1.1 3.3
Feb 24% 0.4 1.9
Mar 21% 0 2
Apr 20% 0 1.6
May 21% 0 2.2
Jun 20% 0 2.1
Jul 27% 0 2.8
Aug 27% 0 2.9
Sep 23% 0 2.8
Oct 33% 0 4.2
Nov 38% 0 4.1
Dec 37% 0.4 4.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 35 2.8 8.4
Feb 24 1 4.8
Mar 21 0 5.1
Apr 20 0 4.1
May 21 0 5.6
Jun 20 0 5.3
Jul 27 0 7.1
Aug 27 0 7.4
Sep 23 0 7.1
Oct 33 0 10.7
Nov 38 0 10.4
Dec 37 1 10.7

 

Humidity and Wind

Holyhead has some very humid months, and high humidity throughout the year. The least humid month is April (72.8% relative humidity), and the most humid month is February (79.5%).

Wind in Holyhead is usually stronger than many places. The windiest month is December, followed by January and November. December’s average wind speed of around 15.4 knots (17.7 MPH or 28.4 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early December where average top sustained speeds reach 24.7 knots, which is considered a strong breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Holyhead.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 15.2 Significant breeze 23 Very strong breeze
Feb 12.6 Significant breeze 19.6 Strong breeze
Mar 12.2 Significant breeze 18.9 Very strong breeze
Apr 11.2 Significant breeze 17.3 Strong breeze
May 12.2 Significant breeze 18.2 Very strong breeze
Jun 10.3 Gentle breeze 16 Significant breeze
Jul 11.2 Significant breeze 17.1 Very strong breeze
Aug 12.3 Significant breeze 18.1 Strong breeze
Sep 11.3 Significant breeze 17.2 Very strong breeze
Oct 13.2 Significant breeze 20.1 Strong breeze
Nov 14.1 Significant breeze 22 Very strong breeze
Dec 15.4 Significant breeze 23 Very strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 78.2%
Feb 79.5%
Mar 74.6%
Apr 72.8%
May 73.3%
Jun 74.1%
Jul 77.3%
Aug 78.8%
Sep 76%
Oct 76.8%
Nov 76.2%
Dec 77.5%

 

Is it Safe to Travel to Holyhead?

Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for the United Kingdom; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 27, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Holyhead, the United Kingdom is January, followed by June and July. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Holyhead in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 59.1 in December means 59.1% of the tourists vs. January.

 

 

Overall Holyhead Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 61.9°F (16.6°C) and 48.2°F (9°C) with warmer temperatures in the later months. Rain is somewhat common with roughly 6 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are brisk. These months see moderate precipitation with 6 to 8 days of precipitation per month. June – August is the busiest season for tourism in Holyhead, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 63.2°F (17.3°C) and 49.4°F (9.7°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 7 to 11 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is too cold this time of year in Holyhead to be enjoyable for warm weather travelers. The average high during this season is between 49.5°F (9.7°C) and 45.5°F (7.5°C). On average, it rains or snows a great amount: 7 to 12 times per month. These times of year are the second busiest with tourists.

 

Best Times to Travel› the United Kingdom › Holyhead, the United Kingdom