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Cork in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Cork in May will be like? Take a look at our weather guide for Cork, based on historical data.
Check flight prices to Cork on Avionero:
May

Weather in Cork in May 2025

OK Weather
Mild
🌧️
Rainy
If you plan to visit Cork in May, the weather is typically alright, with an average high temperature of +57°F during the day and approximately 1 sunny days. Expect some rainy, though, as there are typically 19 rainy days in the month and around 76 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • May is usually the driest month of the year in Cork

Average weather

☀️
+57°F
Avg. max. temperature
+32°F
Min.
+72°F
Max.
76 mm
Total precipitation
81%
Avg. humidity
3 m/s
Avg. wind
1 ☀️
Sunny Days
10 ⛅️
Cloudy
19 🌦
Rainy
Our opinion: Cork has OK weather in May.

Average temperature in Cork in May

Here are the expected maximum, average and minimum temperatures in Cork for May based on the historical data.
Last Year
Historical Data

Going from a maximum of +68°F during the day to a minimum of +41°F during the night, the temperature in May averages around +61°F.

The average maximum temperature goes up 20% by the end of the month, compared with the beginning of the month, from +59°F to +64°F.

Is Cork warm or cold in May?

Cork is typically mild in May.

Maximum temperatures go up compared to the previous month from +52°F to +57°F. The minimum temperature also goes up from +41°F to +46°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how May is compared to other months in Cork:

Climate in Cork in May

Cork weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+52°F+57°F+61°F
Min. temperature
+28°F+32°F+37°F
Max. temperature
+66°F+72°F+77°F
Rainfall
69 mm76 mm69 mm
Wind
3 m/s3 m/s3 m/s
Humidity
82%81%81%
Air pressure
1014 HPa1014 HPa1015 HPa
Sunny days
111
Cloudy days
111011
Rainy days
181918
Snowy days
000

May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +52°F to +57°F during the day. Prepare for more rain. Average rainfall goes from 69 mm to 76 mm. It feels drier, as humidity decreases from 82% to 81%. The average wind speed doesn’t change much during May, staying around 3 m/s. The amount of sunny days stay about the same, averaging 1 sunny days during the month.

June brings much the same weather, it remains ok.

Wind

Wind speed in Cork in May based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Cork is gradually increasing during May, going from 2 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Cork based on historical data.
Last Year
Historical Data
Typically, there is a 39% chance of rain on an average day in May, with total rainfall of approximately 46 mm. The maximum amount of rainfall per day is around 11 mm, which is considered light rain. May is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Cork wettest month is October, where a typical day has a 61% chance of precipitation and 95 mm of rainfall per day. July, on the other hand, is the driest month with a mere 61% chance of precipitation and 67 mm of rainfall per day.

How was the weather last May in Cork?

This is the weather in Cork in May 2023:
1 May
☁️
+59°F
2 May
☁️
+55°F
3 May
☁️
+58°F
4 May
🌧️
+52°F
5 May
☁️
+59°F
6 May
☁️
+60°F
7 May
☁️
+56°F
8 May
🌧️
+60°F
9 May
🌧️
+58°F
10 May
☁️
+55°F
11 May
🌧️
+56°F
12 May
☁️
+62°F
13 May
☁️
+63°F
14 May
☁️
+57°F
15 May
☁️
+56°F
16 May
☁️
+60°F
17 May
☁️
+61°F
18 May
☁️
+60°F
19 May
☁️
+61°F
20 May
🌧️
+62°F
21 May
☁️
+62°F
22 May
☁️
+61°F
23 May
☁️
+62°F
24 May
☁️
+62°F
25 May
☁️
+67°F
26 May
☀️
+66°F
27 May
☁️
+67°F
28 May
☁️
+62°F
29 May
☁️
+64°F
30 May
☀️
+66°F
31 May
☀️
+65°F
In May 2023 Cork had 3 sunny days, 23 cloudy days, and 5 rainy days. The average maximum temperature was +61°F, with an absolute maximum of +68°F and a minimum of +52°F. The average humidity was 81%, with a maximum of 100% and a minimum of 48%. The average wind speed was 3 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Cork climate has changed over the last 43 years.

The climate in Cork in May has not changed that much over the last 43 years.

The average temperature was the lowest in 1986 (+52°F) and the highest in 2022 (+56°F). The driest year was 2010 with only 711 mm of rainfall, and the wettest year was 2009 with 1168 mm.

FAQ

Frequently asked questions about the weather in Cork in May:

Is May a good time to visit Cork?

It’s always a good time to visit Cork, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Cork in May?

May has mild temperatures in Cork. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Cork rainy in May?

Cork is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Cork in May?

Usually, it’s not very sunny in Cork in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Ireland

Check out the weather for other cities in Ireland.

Monthly weather in Cork

Source of the data

For this page, we’ve looked at the typical weather in Cork, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.