Dunmurry weather

The Dunmurry weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Dunmurry, Northern Ireland in 2026/2027.

• Dunmurry weather averages
• Dunmurry weather by month
• Back to Northern Ireland

Dunmurry weather averages

Check the Dunmurry weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Dunmurry, Northern Ireland.

Back to top

Dunmurry weather by month

Check the weather for Dunmurry, Northern Ireland for a particular month by selecting from the list below. This gives the best indication of what to expect from the weather months in advance.

• January
• February
• March
• April
• May
• June
• July
• August
• September
• October
• November
• December

Back to top

Dunmurry weather in January

The average maximum daytime temperature in Dunmurry in January is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Dunmurry during January.

• 6
  6°C max day temperature
• 2
  2 hours of sunshine per day
• 21
  21 days with some rainfall
• 1
  1°C min night temperature
• 105
  105 mm of monthly rainfall

On average 105 mm (4.1 inches) of rain normally falls in Dunmurry during January with rain falling on 21 days of the month.

Back to months

Dunmurry weather in February

The average maximum daytime temperature in Dunmurry in February is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Dunmurry during February.

• 7
  7°C max day temperature
• 2
  2 hours of sunshine per day
• 18
  18 days with some rainfall
• 1
  1°C min night temperature
• 73
  73 mm of monthly rainfall

On average 73 mm (2.9 inches) of rain normally falls in Dunmurry during February with rain falling on 18 days of the month.

Back to months

Dunmurry weather in March

The average maximum daytime temperature in Dunmurry in March is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 3 hours of sunshine a day in Dunmurry during March.

• 9
  9°C max day temperature
• 3
  3 hours of sunshine per day
• 20
  20 days with some rainfall
• 2
  2°C min night temperature
• 81
  81 mm of monthly rainfall

On average 81 mm (3.2 inches) of rain normally falls in Dunmurry during March with rain falling on 20 days of the month.

Back to months

Dunmurry weather in April

The average maximum daytime temperature in Dunmurry in April is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 5 hours of sunshine a day in Dunmurry during April.

• 11
  11°C max day temperature
• 5
  5 hours of sunshine per day
• 16
  16 days with some rainfall
• 3
  3°C min night temperature
• 66
  66 mm of monthly rainfall

On average 66 mm (2.6 inches) of rain normally falls in Dunmurry during April with rain falling on 16 days of the month.

Back to months

Dunmurry weather in May

The average maximum daytime temperature in Dunmurry in May is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 6 hours of sunshine a day in Dunmurry during May.

• 14
  14°C max day temperature
• 6
  6 hours of sunshine per day
• 16
  16 days with some rainfall
• 6
  6°C min night temperature
• 62
  62 mm of monthly rainfall

On average 62 mm (2.4 inches) of rain normally falls in Dunmurry during May with rain falling on 16 days of the month.

Back to months

Dunmurry weather in June

The average maximum daytime temperature in Dunmurry in June is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 6 hours of sunshine a day in Dunmurry during June.

• 16
  16°C max day temperature
• 6
  6 hours of sunshine per day
• 16
  16 days with some rainfall
• 8
  8°C min night temperature
• 67
  67 mm of monthly rainfall

On average 67 mm (2.6 inches) of rain normally falls in Dunmurry during June with rain falling on 16 days of the month.

Back to months

Dunmurry weather in July

The average maximum daytime temperature in Dunmurry in July is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 5 hours of sunshine a day in Dunmurry during July.

• 18
  18°C max day temperature
• 5
  5 hours of sunshine per day
• 18
  18 days with some rainfall
• 11
  11°C min night temperature
• 69
  69 mm of monthly rainfall

On average 69 mm (2.7 inches) of rain normally falls in Dunmurry during July with rain falling on 18 days of the month.

Back to months

Dunmurry weather in August

The average maximum daytime temperature in Dunmurry in August is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 5 hours of sunshine a day in Dunmurry during August.

• 18
  18°C max day temperature
• 5
  5 hours of sunshine per day
• 19
  19 days with some rainfall
• 10
  10°C min night temperature
• 88
  88 mm of monthly rainfall

On average 88 mm (3.5 inches) of rain normally falls in Dunmurry during August with rain falling on 19 days of the month.

Back to months

Dunmurry weather in September

The average maximum daytime temperature in Dunmurry in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 4 hours of sunshine a day in Dunmurry during September.

• 16
  16°C max day temperature
• 4
  4 hours of sunshine per day
• 19
  19 days with some rainfall
• 8
  8°C min night temperature
• 90
  90 mm of monthly rainfall

On average 90 mm (3.5 inches) of rain normally falls in Dunmurry during September with rain falling on 19 days of the month.

Back to months

Dunmurry weather in October

The average maximum daytime temperature in Dunmurry in October is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 3 hours of sunshine a day in Dunmurry during October.

• 12
  12°C max day temperature
• 3
  3 hours of sunshine per day
• 20
  20 days with some rainfall
• 6
  6°C min night temperature
• 104
  104 mm of monthly rainfall

On average 104 mm (4.1 inches) of rain normally falls in Dunmurry during October with rain falling on 20 days of the month.

Back to months

Dunmurry weather in November

The average maximum daytime temperature in Dunmurry in November is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 2 hours of sunshine a day in Dunmurry during November.

• 9
  9°C max day temperature
• 2
  2 hours of sunshine per day
• 20
  20 days with some rainfall
• 3
  3°C min night temperature
• 95
  95 mm of monthly rainfall

On average 95 mm (3.7 inches) of rain normally falls in Dunmurry during November with rain falling on 20 days of the month.

Back to months

Dunmurry weather in December

The average maximum daytime temperature in Dunmurry in December is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 1 hours of sunshine a day in Dunmurry during December.

• 7
  7°C max day temperature
• 1
  1 hour of sunshine per day
• 21
  21 days with some rainfall
• 2
  2°C min night temperature
• 101
  101 mm of monthly rainfall

On average 101 mm (4 inches) of rain normally falls in Dunmurry during December with rain falling on 21 days of the month.

Back to months