May could be a good time to visit Cork, as the weather is generally fine. The average high temperature is around +14°C, and there are typically 1 sunny days in May. However, expect about 19 rainy days, and total monthly rainfall of approximately 74 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Good to know:
May is usually the driest month of the year in Cork
Average weather
☀️
+14°C
Avg. max. temperature
0°C
Min.
+22°C
Max.
74 mm
Total precipitation
81%
Avg. humidity
3 m/s
Avg. wind
1 ☀️
Sunny Days
11 ⛅️
Cloudy
19 🌦
Rainy
Our opinion: Cork has OK weather in May.
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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
The expected average maximum temperature in May is +16°C with a maximum of +20°C and a minimum of +5°C.
The average maximum temperature goes up 20% by the end of the month, compared with the beginning of the month, from +15°C to +18°C.
Is Cork warm or cold in May?
Cork is typically mild in May.
Maximum temperatures go up compared to the previous month from +11°C to +14°C. The minimum temperature also goes up from +5°C to +8°C.
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.
April
May
June
Avg. temperature
+11°C
+14°C
+16°C
Min. temperature
-2°C
0°C
+3°C
Max. temperature
+19°C
+22°C
+25°C
Rainfall
69 mm
74 mm
68 mm
Wind
3 m/s
3 m/s
3 m/s
Humidity
82%
81%
81%
Air pressure
1014 HPa
1014 HPa
1015 HPa
Sunny days
1
1
1
Cloudy days
11
11
11
Rainy days
18
19
18
Snowy days
0
0
0
May weather is still as ok as in April.It’s getting warmer as May arrives. The average maximum temperature goes up from +11°C to +14°C during the day.Prepare for more rain. Average rainfall goes from 69 mm to 74 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.
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
Total precipitation in May is about 46 mm, with a 39% chance of rain on a typical day. 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 galoshes.
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 94 mm of rainfall per day. July, on the other hand, is the driest month with a mere 61% chance of precipitation and 66 mm of rainfall per day.
How was the weather last May in Cork?
This is the weather in Cork in May 2025:
1 May
☁️
+15°C
2 May
☁️
+13°C
3 May
☁️
+14°C
4 May
🌧️
+11°C
5 May
☁️
+15°C
6 May
☁️
+16°C
7 May
☁️
+14°C
8 May
🌧️
+16°C
9 May
🌧️
+15°C
10 May
☁️
+13°C
11 May
🌧️
+14°C
12 May
☁️
+17°C
13 May
☁️
+17°C
14 May
☁️
+14°C
15 May
☁️
+13°C
16 May
☁️
+15°C
17 May
☁️
+16°C
18 May
☁️
+15°C
19 May
☁️
+16°C
20 May
🌧️
+17°C
21 May
☁️
+16°C
22 May
☁️
+16°C
23 May
☁️
+17°C
24 May
☁️
+17°C
25 May
☁️
+19°C
26 May
☁️
+19°C
27 May
☁️
+20°C
28 May
☁️
+17°C
29 May
☁️
+18°C
30 May
☀️
+19°C
31 May
☀️
+18°C
In May 2025 Cork had 2 sunny days, 24 cloudy days, and 5 rainy days. The average maximum temperature was +16°C, with an absolute maximum of +20°C and a minimum of +11°C. 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 Years
This is how Cork climate have been changing during last 43 years period.
The climate in Cork in May has not changed much over the last 43 years.
The average temperature was the lowest in 1986 (+11°C) and the highest in 2022 (+13°C). 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.
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.
