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Connemara National Park in May 2027: weather, temperatures and activities

Do you want to visit Connemara National Park 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 Connemara National Park, Ireland.

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Is it worth visiting Connemara National Park in May?

Check your ideal travel criteria and see if the month of May suits your plans to go to Connemara National Park.
What matters most?
Connemara National Park in May 2027: weather, temperatures and activities

Page summary

Connemara National Park in May in summary
Fair weather
Min 8°C Max 12°C 94 mm 6 day(s) 88% 60% 12°C 12.1 h/day
Best activities in May
Beach and swimmingHiking and trekkingAnimal observationNature and landscapesBoat trip and cruise
Practical guidelines
High crowding 04:38 20:34
Hourly weather

Average weather in Connemara National Park in May 2027

Fair weather

The weather in Connemara National Park 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 Connemara National Park in May

Temperatures, precipitation and monthly trends help to better understand the climate in Connemara National Park in May.

Temperatures and rain in Connemara National Park 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 Connemara National Park in May

Seasonal normals

Seasonal normals of Connemara National Park in May

Check the seasonal normals in Connemara National Park 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 8.1°C 10.1°C 12.5°C
Maximum temperature 10.4°C 12.2°C 14.5°C
Minimum temperature 5.9°C 7.9°C 10.5°C
Record maximum temperature 20.0°C
(2011)
24.0°C
(2012)
28.0°C
(2018)
Record low temperature -3.0°C
(2013)
1.0°C
(2012)
6.0°C
(2011)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 1 day(s)
(3%)
2 day(s)
(6%)
4 day(s)
(13%)
Number of days below 0° 1 day(s)
(3%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 10.1°C 11.3°C 12.6°C
Sea temperature (minimum) 9.0°C 10.2°C 10.7°C
Sea temperature (maximum) 11.3°C 12.4°C 14.8°C
Wind
Wind speed 24 km/h 24 km/h 21 km/h
Wind temperature 2.9°C 5.4°C 8.8°C
Precipitation (rain)
Precipitation 66.9 mm 94.3 mm 89.8 mm
Number of days with precipitation 18 day(s)
(60%)
22 day(s)
(71%)
22 day(s)
(73%)
Number of days with significant precipitation (greater than 5 mm) 4 day(s)
(14%)
6 day(s)
(19%)
6 day(s)
(21%)
Record precipitation in one day 28.3 mm
(2011)
26.8 mm
(2013)
19.6 mm
(2021)
Other weather data
Humidity 88% 88% 89%
Visibility 9.0 km 8.8 km 8.8 km
Cloud cover 56% 60% 60%
UV index 3 3 4
Daily sunshine 11h 12h 15h
Sunrise and sunset
Sunrise time 05h40 04h38 04h10
Sunset time 19h41 20h34 21h11
Day length 14h01 15h56 17h01
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 Connemara National Park 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 Connemara National Park in May last?

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

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
9°C13°C0.3 mm
2
Partly Cloudy
6°C13°C0.0 mm
3
Moderate rain at times
7°C12°C0.8 mm
4
Clear/Sunny
4°C11°C0.0 mm
5
Clear/Sunny
3°C12°C0.0 mm
6
Clear/Sunny
4°C12°C0.0 mm
7
Cloudy
6°C14°C0.0 mm
8
Clear/Sunny
6°C15°C0.0 mm
9
Cloudy
7°C14°C0.0 mm
10
Patchy rain nearby
6°C14°C0.4 mm
11
Patchy rain nearby
9°C10°C0.7 mm
12
Overcast
7°C13°C0.0 mm
13
Overcast
10°C20°C0.0 mm
14
Clear/Sunny
10°C19°C0.0 mm
15
Clear/Sunny
7°C19°C0.0 mm
16
Clear/Sunny
8°C19°C0.0 mm
17
Clear/Sunny
7°C20°C0.0 mm
18
Clear/Sunny
9°C19°C0.0 mm
19
Clear/Sunny
9°C17°C1.0 mm
20
Cloudy
7°C15°C0.0 mm
21
Clear/Sunny
8°C17°C0.0 mm
22
Overcast
8°C15°C0.0 mm
23
Moderate rain at times
9°C14°C1.2 mm
24
Cloudy
12°C14°C4.6 mm
25
Patchy light drizzle
9°C11°C2.0 mm
26
Light drizzle
9°C10°C6.4 mm
27
Light rain shower
8°C9°C1.1 mm
28
Patchy rain nearby
9°C13°C1.0 mm
29
Light rain
11°C13°C7.8 mm
30
Patchy rain nearby
11°C14°C0.3 mm
31
Patchy rain nearby
11°C12°C2.1 mm
Nearby

Where to go near Connemara National Park in May?

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

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Every month

Best time to visit Connemara National Park month by month

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

Frequently asked questions

Travel to to Connemara National Park 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 Connemara National Park in May, which ranks this month 1st out of 12. The choice of region will make a real difference.

Expect an average of 12°C during the day and 8°C at night, with about 94 mm of precipitation spread over 6 rainy days.

The sea is only 11°C on average in May. Swimming is still possible, but it will be cool.

Expect about 12.1 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 57/100. It is often a good compromise between weather and tranquility.
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