Greencastle Weather in January

Greencastle in January averages 8°C (46°F) during the day and 3°C (37°F) at night. This is part of the winter season, and quite a bit of rainfall is expected this month.

Rainfall in Greencastle in January

Typically, about 23 days will experience rainfall, with an average of 93 mm (3.7 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Greencastle in January

Greencastle in January gets highs of 8°C (46°F) during the day and drops to 3°C (37°F) at night. During January, you'll experience the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. It's generally the coldest month of the year, making it essential to pack warm layers and winter accessories.

Sunshine in Greencastle in January

This month sees fewer sunny days, with about 50 hours of sunshine, perfect for those who enjoy cooler temperatures.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Greencastle. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Greencastle's climate page.

Greencastle Temperature in January

Min Temperature 3°C (37°F)  

Max Temperature 8°C (46°F)  

Chance of Rain 75%  

Precipitation 93 mm (3.7 in)  

Rainy days 23 days  

Sunshine 50 hours *  

Percentage Sunshine *  

* Data from: Derry, Ireland (38 KM, 23 Miles).

What to Wear in Greencastle in January

Dress warmly and in layers for your trip to Greencastle in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Greencastle in January

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

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Greencastle's climate page.

More climate data for Greencastle

Temperature Rainfall Sunshine

See the full Greencastle climate overview or explore weather in the United Kingdom.