Belfast Weather in March
March in Belfast sees daytime temperatures around 10°C (50°F) and lows of 5°C (41°F) at night. As the driest month of the year.
Rainfall in Belfast in March
Expect the least amount of rain this month, making it a good opportunity for outdoor activities, even though days are on the cooler side. Based on our climate data of the past 30 years, about 19 days of rain are anticipated, with 73 mm (2.9 in) on average. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Belfast in March
March in Belfast brings typical temperatures with highs around 10°C (50°F) and lows of 5°C (41°F). It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights fall to 5°C (41°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
The area sees fewer sunny days, with a projection of about 98 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.
Wind Speed in Belfast in March
Wind speeds average 5 m/s (10 knots) during March. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.
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.March in Belfast can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Belfast's climate page.
Belfast Temperature in March
Min Temperature
5°C (41°F)
Max Temperature
10°C (50°F)
Water Temperature
7°C (45°F) *
Chance of Rain
63%
Precipitation
73 mm (2.9 in)
Rainy days
19 days
Humidity
87% *
Windspeed
5 m/s (10 knots) *
Sunshine
98 hours *
Percentage Sunshine
28% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Belfast typically stay consistent throughout March, with daily highs averaging around 10°C (50°F). Nights are cold, with lows typically ranging from 2°C (36°F) to 5°C (41°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Belfast in March
Browse day-by-day weather records for Belfast spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Belfast historical weather extremes in March
Our historical data for Belfast spans 1989 to 2026, revealing these weather extremes.
- The hottest March day on record in Belfast reached 18°C (64°F) (March 28, 2012).
- Belfast experienced its chilliest March day on March 1, 2018, reaching only 1°C (34°F).
- The lowest overnight temperature recorded in March was -5°C (23°F) (March 12, 2013).
- Peak precipitation in March occurred on March 30, 2010, when 23 mm (0.9 in) of precipitation was measured.
Best Places in the United Kingdom in March
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Belfast in March
The weather can swing between comfortable and chilly in March, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. With water temperatures around 7°C (45°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Belfast's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Belfast climate overview or explore weather in the United Kingdom.
