Castlebar weather in January (Mayo, Ireland)

Looking to travel to Castlebar in January? This guide provides all the details you need.

In January, Castlebar generally has low temperatures and high rainfall. January falls within the winter season. Throughout the daytime, temperatures often hover around 9°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 3°C. On average, January has the most moderate temperatures of the year.

Castlebar in January usually receives high rainfall, averaging around 118 mm for the month. Typically around 24 days of rainfall is expected.

The city usually sees around 45 hours of sunlight, indicating fewer sunny days.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Castlebar. June typically offers the best circumstances. While January, February, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Castlebar climate page with graphs.

 

Castlebar, monthly averages in January

Min Temperature 3°C  

Max Temperature 9°C  

Chance of Rain 79%  

Precipitation 118 mm  

Rainy days 24 days  

Humidity 90% *  

Sunshine 45 hours *  

Percentage Sunshine 22% *  

* Data from: Claremorris, Ireland (25 KM, 16 Miles).

Where to go in Ireland in January

Find out more about the weather in Ireland in January and which places have the best weather conditions in this month.

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).

So, what should you wear in Castlebar in January?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in January.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Castlebar.

Our site offers climate and forecast data for every country in the world. Are you going to Ireland? On this website you can find 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 climate conditions. Find out where to go with our weather planner.