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Dublin County Ireland
Weather in January
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Weather in January in Dublin County

Considering a trip to Dublin County this January and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Dublin County in January?

Dublin County is a region in Ireland. January in Dublin County generally has cold temperatures, with moderate precipitation. The month of January is in the winter season.

Temperatures

You can expect cold maximum daytime temperatures of around 9°C and nighttime temperatures around 4°C in Dublin. To learn more about the conditions in specific areas of Dublin County in January, check out the map below. On average, January is the coldest month of the year in Dublin County. So be prepared and make sure to pack winter cloths.

For specific regional insights in Dublin County, refer to the map provided below.

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in Dublin with an average of 71 mm to moderate rainfall in Dun Laoghaire with 80 mm.

Average sunshine

The city Dublin usually sees around 56 hours of sunlight, indicating fewer sunny days.

For more details on the yearly climate, visit our Dublin County climate page.

Where to go in Dublin County in January

Find more information for the most popular destinations in the Dublin County on the map below. Click on a destination dot for more details.

Weather conditions Weather
Temperatures
Precipitation
Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Ireland, check out our Dublin County's climate page.

Popular destinations

What is the weather like in January for the 5 most popular destinations in Dublin County?

Dublin

In January Dublin generally has low temperatures with maximum daytime temperatures around 9°C, minimum nighttime temperatures around 4°C and moderate monthly rainfall. So on average the conditions are poor that month.

Dublin
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
14°C 
8°C 
1,432 hours 
886 mm 
189 days 
poor 
January January
9°C 
4°C 
56 hours 
71 mm 
18 days 
poor 
February   >> February
>>  
10°C 
4°C 
71 hours 
64 mm 
15 days 
poor 
Climate in Dublin

Swords

In January Swords generally has low temperatures with maximum daytime temperatures around 9°C, minimum nighttime temperatures around 4°C and moderate monthly rainfall. So on average the conditions are poor that month.

Swords
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
14°C 
8°C 
1,432 hours 
891 mm 
189 days 
poor 
January January
9°C 
4°C 
56 hours 
72 mm 
18 days 
poor 
February   >> February
>>  
10°C 
4°C 
71 hours 
65 mm 
15 days 
poor 
Climate in Swords

Rathgar

In January Rathgar generally has low temperatures with maximum daytime temperatures around 9°C, minimum nighttime temperatures around 3°C and moderate monthly rainfall. So on average the conditions are poor that month.

Rathgar
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
14°C 
7°C 
1,432 hours 
923 mm 
191 days 
poor 
January January
9°C 
3°C 
56 hours 
73 mm 
18 days 
poor 
February   >> February
>>  
9°C 
3°C 
71 hours 
68 mm 
15 days 
poor 
Climate in Rathgar

Dun Laoghaire

In January Dun Laoghaire generally has low temperatures with maximum daytime temperatures around 9°C, minimum nighttime temperatures around 4°C and moderate monthly rainfall. So on average the conditions are poor that month.

Dun Laoghaire
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
14°C 
8°C 
1,432 hours 
961 mm 
189 days 
poor 
January January
9°C 
4°C 
56 hours 
80 mm 
18 days 
poor 
February   >> February
>>  
9°C 
4°C 
71 hours 
73 mm 
15 days 
poor 
Climate in Dun Laoghaire

Cloghran

In January Cloghran generally has low temperatures with maximum daytime temperatures around 9°C, minimum nighttime temperatures around 4°C and moderate monthly rainfall. So on average the conditions are poor that month.

Cloghran
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
14°C 
8°C 
1,432 hours 
895 mm 
188 days 
poor 
January January
9°C 
4°C 
56 hours 
72 mm 
18 days 
poor 
February   >> February
>>  
10°C 
4°C 
71 hours 
66 mm 
15 days 
poor 
Climate in Cloghran

Is your destination not in the list? Have a look at other destinations in Dublin County, in Ireland.

Is January the best time to visit Dublin County?

In our view, January might not be the best time to travel to Dublin County with often poor weather in Dublin.

Generally speaking, the best visiting conditions can be found in July and August offering mostly perfect weather in Dublin. On the other hand, the months of January, February and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Dublin County.

Weather and climate has detailed information for every country in the world. Are you going to Ireland? Get detailed historical weather averages for many cities in Ireland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.