Roscommon County Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Roscommon County, Ireland in January.

Planning a journey to Roscommon County, Ireland this January and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Roscommon County in January

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

Temperatures

You can expect cold maximum daytime temperatures of around 9°C (48°F) and nighttime temperatures around 3°C (37°F) in Boyle. 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.

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

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in Roscommon with an average of 96 mm (3.8 in) to high rainfall in Ballyfarnon with 112 mm (4.4 in).

Average sunshine

Sunshine is quite limited in many locations during January. Boyle receives roughly 45 hours of sunlight. For destinations with more sunshine, our weather planner offers alternatives worldwide.

Explore Roscommon County by month

Best Places to Visit in Roscommon County in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Roscommon County.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Roscommon County

What is the weather like in January for some of the most popular destinations in Roscommon County, Ireland?

Temperature range in Roscommon County (January)

Precipitation variation in Roscommon County (January)

Boyle

In January Boyle generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
35 hours
45 hours
60 hours
Monthly rainfall
113 mm (4.4 in)
109 mm (4.3 in)
104 mm (4.1 in)
Monthly rainy days
22 days
23 days
18 days
Weather conditions

Roscommon

In January Roscommon generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
10°C (50°F)
Min temperature
4°C (39°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
35 hours
45 hours
60 hours
Monthly rainfall
100 mm (3.9 in)
96 mm (3.8 in)
91 mm (3.6 in)
Monthly rainy days
21 days
22 days
17 days
Weather conditions

Ballyfarnon

In January Ballyfarnon generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
35 hours
45 hours
60 hours
Monthly rainfall
116 mm (4.6 in)
112 mm (4.4 in)
107 mm (4.2 in)
Monthly rainy days
22 days
23 days
18 days
Weather conditions

Strokestown

In January Strokestown generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
35 hours
45 hours
60 hours
Monthly rainfall
102 mm (4 in)
98 mm (3.9 in)
92 mm (3.6 in)
Monthly rainy days
21 days
22 days
18 days
Weather conditions

Castlerea

In January Castlerea generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
35 hours
45 hours
60 hours
Monthly rainfall
107 mm (4.2 in)
103 mm (4.1 in)
98 mm (3.9 in)
Monthly rainy days
22 days
22 days
18 days
Weather conditions

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

Popular cities in January

Day & night temperatures, rainfall and average weather in Roscommon County in January.

City Weather Day temp Night temp Rainfall
Boyle 9°C (48°F) 3°C (37°F) 109 mm (4.3 in)
Roscommon 9°C (48°F) 3°C (37°F) 96 mm (3.8 in)
Ballyfarnon 9°C (48°F) 3°C (37°F) 112 mm (4.4 in)
Strokestown 9°C (48°F) 3°C (37°F) 98 mm (3.9 in)
Castlerea 9°C (48°F) 3°C (37°F) 103 mm (4.1 in)

Roscommon County weather in January: frequently asked questions

What is the weather like in Roscommon County, Ireland in January?

January in Roscommon County, Ireland brings poor weather. In Boyle, daytime temperatures are typically around 9°C (48°F) and nighttime lows hover near 3°C (37°F).

What is the average temperature in Roscommon County, Ireland in January?

Daytime temperatures in Boyle peak at roughly 9°C (48°F) in January, dropping to about 3°C (37°F) overnight.

Does Roscommon County, Ireland get a lot of rain in January?

Yes, January tends to be a wetter month in Roscommon County, Ireland. Average rainfall in Boyle sits around 109 mm (4.3 in).

Is January a Good Time to Visit Roscommon County, Ireland?

In our opinion, January may not be the ideal time to visit Roscommon County, Ireland due to the typically poor weather in Boyle.

Generally speaking, May, June, July, August and September provide tolerable weather in Boyle. 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 Roscommon 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.

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