Blanchardstown Weather in January

January in Blanchardstown averages 9°C (48°F) during the day and 3°C (37°F) at night. Quite a bit of rainfall is typical this month, with around 71 mm (2.8 in) on average. An umbrella is a good idea.

Rainfall in Blanchardstown in January

Typically, you can expect about 18 days of rain this month, with 71 mm (2.8 in) on average. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Blanchardstown in January

If you're visiting Blanchardstown in January, expect highs of 9°C (48°F) and overnight lows around 3°C (37°F). January is typically considered a winter month. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. The temperatures in January are typically the coolest of the year.

Sunshine in Blanchardstown in January

This month sees fewer sunny days, with about 56 hours of sunshine, perfect for those who enjoy cooler temperatures.

Wind Speed in Blanchardstown in January

Wind speeds average 6 m/s (12 knots) during January. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in January

The water sits at 10°C (50°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Blanchardstown.

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 Ireland, check out our Blanchardstown's climate page.

Blanchardstown Temperature in January

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Water Temperature 10°C (50°F) *  

Chance of Rain 61%  

Precipitation 71 mm (2.8 in)  

Rainy days 18 days  

Humidity 81% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 56 hours *  

Percentage Sunshine 25% *  

* Data from: Dublin, Ireland (9 KM, 6 Miles).

What to Wear in Blanchardstown in January

We recommend to layer up for chilly conditions in Blanchardstown in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. With water temperatures around 10°C (50°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Blanchardstown 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 Ireland, check out our Blanchardstown's climate page.

More climate data for Blanchardstown

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Blanchardstown climate overview or explore weather in Ireland.