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Weather in December in Mayo

Thinking about venturing to Mayo this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Mayo in December?

Mayo is a region in Ireland. December in Mayo generally has cold temperatures, with precipitation levels ranging from high to heavy. December is a winter month.

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 December, check out the map below.

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

Precipitation

In December, precipitation varies across different areas. From high rainfall in Claremorris with an average of 111 mm to heavy rainfall in Louisburgh with 174 mm. Looking at the climate data spanning the last 30 years, this month sees the heaviest rainfall of the year in Westport.

Average sunshine

The city Westport usually sees around 35 hours of sunlight, indicating fewer sunny days.

For an in-depth overview of the yearly conditions, do visit our Mayo climate page.

Where to go in Mayo in December

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 December for the 5 most popular destinations in Mayo?

Westport

In December 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
11°C 
6°C 
54 hours 
130 mm 
23 days 
poor 
9°C 
4°C 
35 hours 
133 mm 
24 days 
poor 
Annual   >> Annual
>>  
14°C 
7°C 
1,114 hours 
1338 mm 
249 days 
Climate in Westport

Cong

In December Cong 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.

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
11°C 
5°C 
54 hours 
118 mm 
23 days 
poor 
9°C 
4°C 
35 hours 
119 mm 
23 days 
poor 
Annual   >> Annual
>>  
14°C 
7°C 
1,114 hours 
1277 mm 
240 days 
Climate in Cong

Castlebar

In December Castlebar 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.

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
11°C 
5°C 
54 hours 
119 mm 
23 days 
poor 
9°C 
4°C 
35 hours 
122 mm 
23 days 
poor 
Annual   >> Annual
>>  
14°C 
7°C 
1,114 hours 
1261 mm 
246 days 
Climate in Castlebar

Ballina

In December Ballina generally has low temperatures with maximum daytime temperatures around 10°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
11°C 
6°C 
54 hours 
133 mm 
23 days 
poor 
10°C 
4°C 
35 hours 
133 mm 
23 days 
poor 
Annual   >> Annual
>>  
14°C 
8°C 
1,114 hours 
1355 mm 
247 days 
Climate in Ballina

Belmullet

In December Belmullet generally has low temperatures with maximum daytime temperatures around 11°C, minimum nighttime temperatures around 6°C and high monthly rainfall. So on average the conditions are poor that month.

Belmullet
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
12°C 
8°C 
52 hours 
145 mm 
24 days 
poor 
11°C 
6°C 
40 hours 
145 mm 
24 days 
poor 
Annual   >> Annual
>>  
13°C 
9°C 
1,309 hours 
1369 mm 
255 days 
Climate in Belmullet

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

Is December the best time to visit Mayo?

Given the typically poor weather conditions in Westport, December 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.