, with quite cold, rainy winters and mild, relatively rainy summers.
The city is located in the south-west of Ireland, in the province of Munster, a short distance from the coast, and on the shores of Lough Mahon, which is an inland bay and a natural harbor.
, from December to February, is quite cold: temperatures are not so low, but wind and humidity can increase the sensation of cold. The sky is often cloudy, and rainfall is frequent. Sometimes, intense Atlantic depressions can cause wind storms.
Snowfalls are relatively rare and not abundant. Usually, cold spells are not intense and do not last long. The temperature rarely drops below -3 °C (26.5 °F), however, at the airport, it dropped to -8.5 °C (16.7 °F) in January 1979.
, from March to May, the temperature slowly rises, and Atlantic fronts become a bit less frequent. In May, it is often still quite cold, especially in the first half of the month.
, from June to August, is cool, with quite frequent rains, in a context of variable weather. Sometimes fog can form.
Hot days are rare: the temperature may not reach 25 °C (77 °F) for an entire month. The highest record is 29.7 °C (85.5 °F) and was set in July 1989.
, from September to November, is gray, cloudy and rainy, and with each passing week, it gets progressively colder. In November, the wind is often moderate or strong.
, since it is the mildest of the year. The temperatures are generally good for outdoors activities, although it's better to bring an umbrella, and a sweatshirt or sweater for the evening or for cool days.
. Here are the average temperatures.
January, the coldest month of the year, is generally a quite cold month. The average temperature is of
5.7 °C, with a minimum of
3.2 °C and a maximum of
8.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-2 °C. However, it dropped to
-5.1 °C in January 2010.
On the warmest days of the month, the temperature usually reaches around
12.5 °C. However, it reached
17 °C in January 2009.
Precipitation amounts to
130 mm, distributed over 16 days.
The day lasts on average 8 hours and 25 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 21% of the time.
The average humidity is 89%. Hence, the air is normally humid.
The average wind speed is of
19.6 kph.
The average sea temperature is of
10.3 °C. Therefore, the sea is very cold for swimming.
February is generally a quite cold month. The average temperature is of
5.8 °C, with a minimum of
3 °C and a maximum of
8.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-5.3 °C in February 2010.
On the warmest days of the month, the temperature usually reaches around
12.5 °C. However, it reached
15.5 °C in February 2020.
Precipitation amounts to
100 mm, distributed over 13 days.
The day lasts on average 10 hours and 0 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 24% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is of
19.9 kph.
The average sea temperature is of
9.7 °C. Therefore, the sea is very cold for swimming.
March is generally a quite mild month. The average temperature is of
6.8 °C, with a minimum of
3.7 °C and a maximum of
9.9 °C.
On the coldest nights of the month, the temperature usually drops to around
-1 °C. However, it dropped to
-7 °C in March 2018.
On the warmest days of the month, the temperature usually reaches around
14 °C. However, it reached
19 °C in March 2012.
Precipitation amounts to
100 mm, distributed over 14 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 28% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is of
19.1 kph.
The average sea temperature is of
9.6 °C. Therefore, the sea is very cold for swimming.
April is generally a quite mild month. The average temperature is of
8.5 °C, with a minimum of
5.1 °C and a maximum of
12 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-3.3 °C in April 1998.
On the warmest days of the month, the temperature usually reaches around
16.5 °C. However, it reached
20.5 °C in April 1999.
Precipitation amounts to
75 mm, distributed over 11 days.
The day lasts on average 14 hours and 0 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
17.9 kph.
The average sea temperature is of
10.2 °C. Therefore, the sea is very cold for swimming.
May is generally a mild month. The average temperature is of
11 °C, with a minimum of
7.3 °C and a maximum of
14.6 °C.
On the coldest nights of the month, the temperature usually drops to around
2.5 °C. However, it dropped to
0.2 °C in May 1997.
On the warmest days of the month, the temperature usually reaches around
20.5 °C. However, it reached
23.6 °C in May 1991.
Precipitation amounts to
80 mm, distributed over 12 days.
The day lasts on average 15 hours and 40 minutes. So the days are long.
There are on average 6 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
17.1 kph.
The average sea temperature is of
11.7 °C. Therefore, the sea is very cold for swimming.
June is generally a mild month. The average temperature is of
13.5 °C, with a minimum of
9.9 °C and a maximum of
17.1 °C.
On the coldest nights of the month, the temperature usually drops to around
5.5 °C. However, it dropped to
4 °C in June 2015.
On the warmest days of the month, the temperature usually reaches around
22 °C. However, it reached
27.5 °C in June 1995.
Precipitation amounts to
80 mm, distributed over 10 days.
The day lasts on average 16 hours and 35 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 6 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
16.1 kph.
The average sea temperature is of
14.1 °C. Therefore, the sea is very cold for swimming.
July, the warmest month of the year, is generally a very mild month. The average temperature is of
15.1 °C, with a minimum of
11.6 °C and a maximum of
18.6 °C.
On the coldest nights of the month, the temperature usually drops to around
8 °C. However, it dropped to
5 °C in July 2007.
On the warmest days of the month, the temperature usually reaches around
23 °C. However, it reached
27 °C in July 2018.
Precipitation amounts to
80 mm, distributed over 10 days.
The day lasts on average 16 hours and 5 minutes. So the days are long.
There are on average 5.5 hours of sunshine per day. So, the sun shines 34% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
15.2 kph.
The average sea temperature is of
16.1 °C. Therefore, the sea is cold for swimming.
August is generally a very mild month. The average temperature is of
15 °C, with a minimum of
11.5 °C and a maximum of
18.5 °C.
On the coldest nights of the month, the temperature usually drops to around
7.5 °C. However, it dropped to
5.1 °C in August 1993.
On the warmest days of the month, the temperature usually reaches around
22.5 °C. However, it reached
28 °C in August 1995.
Precipitation amounts to
95 mm, distributed over 11 days.
The day lasts on average 14 hours and 30 minutes. So the days are long.
There are on average 5 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
15.4 kph.
The average sea temperature is of
16.8 °C. Therefore, the sea is cold for swimming.
September is generally a mild month. The average temperature is of
13.3 °C, with a minimum of
10 °C and a maximum of
16.6 °C.
On the coldest nights of the month, the temperature usually drops to around
5.5 °C. However, it dropped to
0.8 °C in September 2008.
On the warmest days of the month, the temperature usually reaches around
20.5 °C. However, it reached
25 °C in September 1991.
Precipitation amounts to
95 mm, distributed over 11 days.
The day lasts on average 12 hours and 35 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 34% of the time.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is of
16.1 kph.
The average sea temperature is of
15.8 °C. Therefore, the sea is cold for swimming.
October is generally a mild month. The average temperature is of
10.5 °C, with a minimum of
7.6 °C and a maximum of
13.4 °C.
On the coldest nights of the month, the temperature usually drops to around
2.5 °C. However, it dropped to
-2.6 °C in October 2003.
On the warmest days of the month, the temperature usually reaches around
17 °C. However, it reached
21.4 °C in October 1997.
Precipitation amounts to
140 mm, distributed over 15 days.
The day lasts on average 10 hours and 35 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 28% of the time.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is of
17.6 kph.
The average sea temperature is of
14.1 °C. Therefore, the sea is very cold for swimming.
November is generally a quite mild month. The average temperature is of
7.8 °C, with a minimum of
5.2 °C and a maximum of
10.4 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-3.3 °C in November 2010.
On the warmest days of the month, the temperature usually reaches around
14 °C. However, it reached
16.2 °C in November 1992.
Precipitation amounts to
120 mm, distributed over 14 days.
The day lasts on average 8 hours and 50 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 26% of the time.
The average humidity is 90%. Hence, the air is normally humid.
The average wind speed is of
18.5 kph.
The average sea temperature is of
12.2 °C. Therefore, the sea is very cold for swimming.
December is generally a quite cold month. The average temperature is of
6.2 °C, with a minimum of
3.7 °C and a maximum of
8.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-1 °C. However, it dropped to
-7.2 °C in December 2010.
On the warmest days of the month, the temperature usually reaches around
12.5 °C. However, it reached
15.5 °C in December 1991.
Precipitation amounts to
135 mm, distributed over 15 days.
The day lasts on average 7 hours and 50 minutes. So the days are short. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 2 hours of sunshine per day. So, the sun shines 24% of the time.
The average humidity is 90%. Hence, the air is normally humid.
The average wind speed is of
19.6 kph.
The average sea temperature is of
11 °C. Therefore, the sea is very cold for swimming.