Belfast Weather in March

In Belfast, March brings low daytime temperatures around 11°C (52°F), with nights cooling to 4°C (39°F). It is the driest month of the year, with minimal rainfall.

Rainfall in Belfast in March

Dry conditions dominate this month. A good time for outdoor fun and exploration, even if the temperatures are on the cool side. You can expect rain on roughly 20 days based on historical data, averaging 69 mm (2.7 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Belfast in March

March in Belfast brings low temperatures, with highs of 11°C (52°F) and nights around 4°C (39°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Belfast in March

This month is characterized by fewer sunny days, with about 98 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Wind Speed in Belfast in March

March has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in March

The water temperature is only 7°C (45°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

For Belfast itself, July generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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 Belfast's climate page.

Belfast Temperature in March

Min Temperature 4°C (39°F)  

Max Temperature 11°C (52°F)  

Water Temperature 7°C (45°F)  

Chance of Rain 66%  

Precipitation 69 mm (2.7 in)  

Rainy days 20 days  

Humidity 87%  

Windspeed 5 m/s (10 knots)  

Sunshine 98 hours  

Percentage Sunshine 28%  

What to Wear in Belfast in March

Pack for changing conditions in Belfast in March. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 7°C (45°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Belfast in March

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

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

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 Belfast's climate page.

More climate data for Belfast

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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