, with quite cold, rainy winters and mild, relatively rainy summers.
The city is located on the coast of south-eastern Ireland, in the sunniest area of the country.
, 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, it can sometimes drop to lower values. The coldest record is -8.3 °C (17.1 °F) and was set in January 1987.
, 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. However, the highest record is 30 °C (86 °F) and was set in late June 2018.
, 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
6.2 °C, with a minimum of
3.3 °C and a maximum of
9.1 °C.
On the coldest nights of the month, the temperature usually drops to around
-2.5 °C. However, it dropped to
-6.7 °C in January 2010.
On the warmest days of the month, the temperature usually reaches around
13 °C. However, it reached
16.2 °C in January 2003.
Precipitation amounts to
105 mm, distributed over 15 days.
The day lasts on average 8 hours and 20 minutes.
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
17 kph.
The average sea temperature is of
9.6 °C. Therefore, the sea is very cold for swimming.
February is generally a quite cold month. The average temperature is of
6.2 °C, with a minimum of
3 °C and a maximum of
9.4 °C.
On the coldest nights of the month, the temperature usually drops to around
-2 °C. However, it dropped to
-5 °C in February 2004.
On the warmest days of the month, the temperature usually reaches around
13 °C. However, it reached
15.5 °C in February 2008.
Precipitation amounts to
70 mm, distributed over 11 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 26% of the time.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is of
17 kph.
The average sea temperature is of
8.9 °C. Therefore, the sea is very cold for swimming.
March is generally a quite mild month. The average temperature is of
7.6 °C, with a minimum of
4.2 °C and a maximum of
11.1 °C.
On the coldest nights of the month, the temperature usually drops to around
-1 °C. However, it dropped to
-4.6 °C in March 2001.
On the warmest days of the month, the temperature usually reaches around
15 °C. However, it reached
17.1 °C in March 2017.
Precipitation amounts to
80 mm, distributed over 12 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 31% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
17 kph.
The average sea temperature is of
8.7 °C. Therefore, the sea is very cold for swimming.
April is generally a mild month. The average temperature is of
9.5 °C, with a minimum of
5.6 °C and a maximum of
13.4 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-2.5 °C in April 1998.
On the warmest days of the month, the temperature usually reaches around
18 °C. However, it reached
22 °C in April 2003.
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 41% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
15 kph.
The average sea temperature is of
9.4 °C. Therefore, the sea is very cold for swimming.
May is generally a mild month. The average temperature is of
12.3 °C, with a minimum of
8.2 °C and a maximum of
16.3 °C.
On the coldest nights of the month, the temperature usually drops to around
3.5 °C. However, it dropped to
0.1 °C in May 1997.
On the warmest days of the month, the temperature usually reaches around
21.5 °C. However, it reached
25.1 °C in May 1998.
Precipitation amounts to
70 mm, distributed over 11 days.
The day lasts on average 15 hours and 50 minutes. So the days are long.
There are on average 7 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
14 kph.
The average sea temperature is of
11.1 °C. Therefore, the sea is very cold for swimming.
June is generally a very mild month. The average temperature is of
14.8 °C, with a minimum of
10.7 °C and a maximum of
18.9 °C.
On the coldest nights of the month, the temperature usually drops to around
6.5 °C. However, it dropped to
3.4 °C in June 2001.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
30 °C in June 2018.
Precipitation amounts to
65 mm, distributed over 9 days.
The day lasts on average 16 hours and 40 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 37% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
13 kph.
The average sea temperature is of
13.5 °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
16.6 °C, with a minimum of
12.6 °C and a maximum of
20.5 °C.
On the coldest nights of the month, the temperature usually drops to around
8.5 °C. However, it dropped to
6 °C in July 2002.
On the warmest days of the month, the temperature usually reaches around
25 °C. However, it reached
29 °C in July 2013.
Precipitation amounts to
70 mm, distributed over 10 days.
The day lasts on average 16 hours and 10 minutes. So the days are long.
There are on average 6.5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
12 kph.
The average sea temperature is of
15.6 °C. Therefore, the sea is cold for swimming.
August is generally a very mild month. The average temperature is of
16.2 °C, with a minimum of
12.2 °C and a maximum of
20.2 °C.
On the coldest nights of the month, the temperature usually drops to around
8 °C. However, it dropped to
4.5 °C in August 1993.
On the warmest days of the month, the temperature usually reaches around
24 °C. However, it reached
28.8 °C in August 1995.
Precipitation amounts to
80 mm, distributed over 11 days.
The day lasts on average 14 hours and 35 minutes. So the days are long.
There are on average 6 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
13 kph.
The average sea temperature is of
16.3 °C. Therefore, the sea is cold for swimming.
September is generally a mild month. The average temperature is of
14.3 °C, with a minimum of
10.4 °C and a maximum of
18.2 °C.
On the coldest nights of the month, the temperature usually drops to around
5 °C. However, it dropped to
2.5 °C in September 1993.
On the warmest days of the month, the temperature usually reaches around
22 °C. However, it reached
25.7 °C in September 1991.
Precipitation amounts to
80 mm, distributed over 10 days.
The day lasts on average 12 hours and 35 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is of
14 kph.
The average sea temperature is of
15.6 °C. Therefore, the sea is cold for swimming.
October is generally a mild month. The average temperature is of
11.4 °C, with a minimum of
8.1 °C and a maximum of
14.8 °C.
On the coldest nights of the month, the temperature usually drops to around
2 °C. However, it dropped to
-4.9 °C in October 1993.
On the warmest days of the month, the temperature usually reaches around
18.5 °C. However, it reached
22.6 °C in October 1997.
Precipitation amounts to
120 mm, distributed over 14 days.
The day lasts on average 10 hours and 35 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 32% of the time.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is of
15 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
8.4 °C, with a minimum of
5.2 °C and a maximum of
11.6 °C.
On the coldest nights of the month, the temperature usually drops to around
-0.5 °C. However, it dropped to
-3.9 °C in November 1996.
On the warmest days of the month, the temperature usually reaches around
15.5 °C. However, it reached
17 °C in November 2007.
Precipitation amounts to
110 mm, distributed over 13 days.
The day lasts on average 8 hours and 40 minutes.
There are on average 2.5 hours of sunshine per day. So, the sun shines 28% of the time.
The average humidity is 90%. Hence, the air is normally humid.
The average wind speed is of
15 kph.
The average sea temperature is of
12.3 °C. Therefore, the sea is very cold for swimming.
December is generally a quite mild month. The average temperature is of
6.8 °C, with a minimum of
4 °C and a maximum of
9.7 °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 December 1995.
On the warmest days of the month, the temperature usually reaches around
13.5 °C. However, it reached
14.8 °C in December 1991.
Precipitation amounts to
110 mm, distributed over 14 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 23% of the time.
The average humidity is 91%. Hence, the air is normally humid.
The average wind speed is of
17 kph.
The average sea temperature is of
10.7 °C. Therefore, the sea is very cold for swimming.