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Weather in January in Mayo

Planning a trip to Mayo this January? Here's what you need to know about the weather:

What is the weather like in Mayo in January?

Mayo is a region in Ireland. January in Mayo generally has cold temperatures, with precipitation levels ranging from high to heavy. It's the height of winter.

Temperatures

You can expect cold maximum daytime temperatures of around 9°C and nighttime temperatures around 4°C in Westport. To learn more about the conditions in specific areas of Mayo in January, check out the map below. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

To explore the conditions in Mayo in more detail, check the map below.

Precipitation

In January, precipitation varies across different areas. From high rainfall in Claremorris with an average of 107 mm to heavy rainfall in Louisburgh with 162 mm.

Average sunshine

Most areas see fewer sunny days, with a projection of about 45 hours of sunshine in Westport. This reduced sunlight makes it ideal for those who prefer dimmer, overcast conditions over bright sunny days.

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

Where to go in Mayo in January

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

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MarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarkerMarker
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 Mayo's climate page.

Popular destinations

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

Westport

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

Westport
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 
1,114 hours 
1338 mm 
249 days 
9°C 
4°C 
45 hours 
127 mm 
24 days 
poor 
10°C 
3°C 
60 hours 
118 mm 
20 days 
poor 
Climate in Westport

Cong

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

Cong
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 
1,114 hours 
1277 mm 
240 days 
9°C 
3°C 
45 hours 
115 mm 
23 days 
poor 
10°C 
3°C 
60 hours 
109 mm 
19 days 
poor 
Climate in Cong

Castlebar

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

Castlebar
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 
1,114 hours 
1261 mm 
246 days 
9°C 
3°C 
45 hours 
118 mm 
24 days 
poor 
10°C 
3°C 
60 hours 
110 mm 
19 days 
poor 
Climate in Castlebar

Ballina

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

Ballina
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 
1,114 hours 
1355 mm 
247 days 
9°C 
4°C 
45 hours 
125 mm 
24 days 
poor 
10°C 
4°C 
60 hours 
117 mm 
19 days 
poor 
Climate in Ballina

Keel

In January Keel generally has low temperatures with maximum daytime temperatures around 10°C, minimum nighttime temperatures around 6°C and high monthly rainfall. So on average the conditions are poor that month.

Keel
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 
9°C 
1,309 hours 
1431 mm 
254 days 
10°C 
6°C 
45 hours 
145 mm 
24 days 
poor 
10°C 
6°C 
68 hours 
128 mm 
20 days 
poor 
Climate in Keel

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

Is January the best time to visit Mayo?

Given the typically poor weather conditions in Westport, January may not be the ideal time to visit Mayo.

On average, the best time to visit Mayo is in May, June, July and August with generally tolerable weather in Westport. In contrast, January, February, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Mayo.

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.