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Holyhead in May 2027: weather, temperatures and activities

Do you want to visit Holyhead in May 2027? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether May is a good month to travel to Holyhead, Wales.

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Is it worth visiting Holyhead in May?

Check your ideal travel criteria and see if the month of May suits your plans to go to Holyhead.
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Holyhead in May 2027: weather, temperatures and activities

Page summary

Holyhead in May in summary
Fair weather
Min 10°C Max 12°C 96 mm 7 day(s) 85% 47% 11°C 12.9 h/day
Best activities in May
Beach and swimmingHiking and trekkingAnimal observationNature and landscapesBoat trip and cruise
Practical guidelines
High crowding 04:18 20:12
Hourly weather

Average weather in Holyhead in May 2027

Fair weather

The weather in Holyhead in May 2027 is based on statistical data from previous years in May. This allows you to forecast the weather in May 2027. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Holyhead in May

Temperatures, precipitation and monthly trends help to better understand the climate in Holyhead in May.

Temperatures and rain in Holyhead in May

Average daily weather

Temperatures and rain day by day in May.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of May is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Holyhead in May

Seasonal normals

Seasonal normals of Holyhead in May

Check the seasonal normals in Holyhead in May and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
May
Weather data April May June
Outside temperature
Average temperature 8.9°C 11.0°C 13.7°C
Maximum temperature 10.1°C 12.1°C 14.6°C
Minimum temperature 7.7°C 9.9°C 12.7°C
Record maximum temperature 16.0°C
(2011)
19.0°C
(2017)
22.0°C
(2020)
Record low temperature 1.0°C
(2013)
4.0°C
(2021)
5.0°C
(2021)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 0 day(s)
(0%)
0 day(s)
(0%)
2 day(s)
(7%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 8.9°C 10.4°C 12.4°C
Sea temperature (minimum) 8.1°C 9.4°C 10.9°C
Sea temperature (maximum) 9.9°C 11.3°C 13.7°C
Wind
Wind speed 25 km/h 25 km/h 23 km/h
Wind temperature 4.6°C 7.4°C 11.1°C
Precipitation (rain)
Precipitation 76.7 mm 95.8 mm 101.8 mm
Number of days with precipitation 16 day(s)
(53%)
19 day(s)
(61%)
17 day(s)
(57%)
Number of days with significant precipitation (greater than 5 mm) 5 day(s)
(18%)
7 day(s)
(21%)
7 day(s)
(22%)
Record precipitation in one day 31.6 mm
(2016)
28.9 mm
(2017)
45.4 mm
(2017)
Other weather data
Humidity 83% 85% 87%
Visibility 9.3 km 9.3 km 9.3 km
Cloud cover 47% 47% 48%
UV index 3 3 4
Daily sunshine 12h 13h 13h
Sunrise and sunset
Sunrise time 05h19 04h18 03h50
Sunset time 19h20 20h12 20h48
Day length 14h01 15h54 16h58
Our opinion on the climate in May
The review of Where And When adverse weather fair weather fair weather
Activities and events

What to do in Holyhead in May?

Best activities in May
Beach and swimmingHiking and trekkingAnimal observationNature and landscapesBoat trip and cruise
Observed weather

What was the weather like in Holyhead in May last?

Find the observed weather calendar in Holyhead in May 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
11°C18°C0.0 mm
2
Clear/Sunny
9°C12°C0.0 mm
3
Cloudy
8°C12°C0.0 mm
4
Clear/Sunny
8°C11°C0.0 mm
5
Patchy rain nearby
6°C10°C0.1 mm
6
Clear/Sunny
6°C12°C0.0 mm
7
Clear/Sunny
8°C13°C0.0 mm
8
Clear/Sunny
7°C13°C0.0 mm
9
Clear/Sunny
6°C14°C0.0 mm
10
Partly Cloudy
9°C16°C0.0 mm
11
Overcast
8°C18°C0.0 mm
12
Overcast
11°C19°C4.8 mm
13
Clear/Sunny
12°C19°C0.0 mm
14
Overcast
10°C17°C0.0 mm
15
Clear/Sunny
10°C14°C0.0 mm
16
Clear/Sunny
9°C16°C0.0 mm
17
Clear/Sunny
11°C16°C0.0 mm
18
Clear/Sunny
12°C16°C0.0 mm
19
Partly Cloudy
10°C15°C0.1 mm
20
Clear/Sunny
10°C16°C0.0 mm
21
Clear/Sunny
11°C16°C0.0 mm
22
Clear/Sunny
10°C14°C0.0 mm
23
Clear/Sunny
8°C14°C0.7 mm
24
Cloudy
13°C14°C3.2 mm
25
Patchy rain nearby
11°C13°C0.8 mm
26
Patchy rain nearby
11°C13°C3.1 mm
27
Light rain
10°C12°C3.0 mm
28
Partly Cloudy
11°C14°C0.5 mm
29
Patchy rain nearby
13°C14°C2.7 mm
30
Clear/Sunny
13°C15°C0.0 mm
31
Clear/Sunny
13°C15°C0.1 mm
Nearby

Where to go near Holyhead in May?

Compare cities and destinations near Holyhead in May to find another travel stop, a nearby alternative or a logical continuation of your stay in Holyhead.

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Every month

Best time to visit Holyhead month by month

Compare the weather in Holyhead across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Holyhead in May: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

It's an average period, nothing special. Conditions are mediocre in Holyhead in May, which ranks this month 4th out of 12. The choice of region will make a real difference.

Expect an average of 12°C during the day and 10°C at night, with about 96 mm of precipitation spread over 7 rainy days.

The sea is only 10°C on average in May. Swimming is still possible, but it will be cool.

Expect about 12.9 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Beach and swimming, Hiking and trekking, Animal observation and Nature and landscapes. These are the ones for which the conditions on site are most favourable.

Visitor numbers are moderate: this month is in High crowding, with an index of 64/100. It is often a good compromise between weather and tranquility.

If your dates are flexible, the most favorable months in Holyhead are: July, August and September. Compare them before finalizing your departure.
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Temperatures are shown in degrees Celsius and precipitation in millimetres. Based on your country of connection, °F and inches may be more familiar to you.