Cairnryan weather

The Cairnryan weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Cairnryan, Dumfries and Galloway, Scotland in 2026/2027.

• Cairnryan weather averages
• Cairnryan weather by month
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Cairnryan weather averages

Check the Cairnryan 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 Cairnryan, Dumfries and Galloway, Scotland.

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Cairnryan weather by month

Check the weather for Cairnryan, Dumfries and Galloway, Scotland 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

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Cairnryan weather in January

The average maximum daytime temperature in Cairnryan in January 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 2 hours of sunshine a day in Cairnryan during January.

• 7
  7°C max day temperature
• 2
  2 hours of sunshine per day
• 21
  21 days with some rainfall
• 2
  2°C min night temperature
• 210
  210 mm of monthly rainfall

On average 210 mm (8.3 inches) of rain normally falls in Cairnryan during January with rain falling on 21 days of the month.

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Cairnryan weather in February

The average maximum daytime temperature in Cairnryan in February 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 3 hours of sunshine a day in Cairnryan during February.

• 7
  7°C max day temperature
• 3
  3 hours of sunshine per day
• 18
  18 days with some rainfall
• 2
  2°C min night temperature
• 150
  150 mm of monthly rainfall

On average 150 mm (5.9 inches) of rain normally falls in Cairnryan during February with rain falling on 18 days of the month.

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Cairnryan weather in March

The average maximum daytime temperature in Cairnryan in March 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 3 hours of sunshine a day in Cairnryan during March.

• 9
  9°C max day temperature
• 3
  3 hours of sunshine per day
• 19
  19 days with some rainfall
• 3
  3°C min night temperature
• 166
  166 mm of monthly rainfall

On average 166 mm (6.5 inches) of rain normally falls in Cairnryan during March with rain falling on 19 days of the month.

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Cairnryan weather in April

The average maximum daytime temperature in Cairnryan in April is a cool 11°C (52°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 5 hours of sunshine a day in Cairnryan during April.

• 11
  11°C max day temperature
• 5
  5 hours of sunshine per day
• 16
  16 days with some rainfall
• 4
  4°C min night temperature
• 107
  107 mm of monthly rainfall

On average 107 mm (4.2 inches) of rain normally falls in Cairnryan during April with rain falling on 16 days of the month.

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Cairnryan weather in May

The average maximum daytime temperature in Cairnryan 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 Cairnryan 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
• 98
  98 mm of monthly rainfall

On average 98 mm (3.9 inches) of rain normally falls in Cairnryan during May with rain falling on 16 days of the month.

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Cairnryan weather in June

The average maximum daytime temperature in Cairnryan in June is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 7 hours of sunshine a day in Cairnryan during June.

• 17
  17°C max day temperature
• 7
  7 hours of sunshine per day
• 15
  15 days with some rainfall
• 9
  9°C min night temperature
• 104
  104 mm of monthly rainfall

On average 104 mm (4.1 inches) of rain normally falls in Cairnryan during June with rain falling on 15 days of the month.

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Cairnryan weather in July

The average maximum daytime temperature in Cairnryan 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 Cairnryan during July.

• 18
  18°C max day temperature
• 5
  5 hours of sunshine per day
• 15
  15 days with some rainfall
• 11
  11°C min night temperature
• 111
  111 mm of monthly rainfall

On average 111 mm (4.4 inches) of rain normally falls in Cairnryan during July with rain falling on 15 days of the month.

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Cairnryan weather in August

The average maximum daytime temperature in Cairnryan in August 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 Cairnryan during August.

• 18
  18°C max day temperature
• 5
  5 hours of sunshine per day
• 17
  17 days with some rainfall
• 11
  11°C min night temperature
• 137
  137 mm of monthly rainfall

On average 137 mm (5.4 inches) of rain normally falls in Cairnryan during August with rain falling on 17 days of the month.

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Cairnryan weather in September

The average maximum daytime temperature in Cairnryan in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 4 hours of sunshine a day in Cairnryan during September.

• 16
  16°C max day temperature
• 4
  4 hours of sunshine per day
• 18
  18 days with some rainfall
• 9
  9°C min night temperature
• 166
  166 mm of monthly rainfall

On average 166 mm (6.5 inches) of rain normally falls in Cairnryan during September with rain falling on 18 days of the month.

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Cairnryan weather in October

The average maximum daytime temperature in Cairnryan in October is a cool 13°C (55°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 3 hours of sunshine a day in Cairnryan during October.

• 13
  13°C max day temperature
• 3
  3 hours of sunshine per day
• 20
  20 days with some rainfall
• 7
  7°C min night temperature
• 201
  201 mm of monthly rainfall

On average 201 mm (7.9 inches) of rain normally falls in Cairnryan during October with rain falling on 20 days of the month.

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Cairnryan weather in November

The average maximum daytime temperature in Cairnryan in November is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 2 hours of sunshine a day in Cairnryan during November.

• 9
  9°C max day temperature
• 2
  2 hours of sunshine per day
• 21
  21 days with some rainfall
• 4
  4°C min night temperature
• 198
  198 mm of monthly rainfall

On average 198 mm (7.8 inches) of rain normally falls in Cairnryan during November with rain falling on 21 days of the month.

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Cairnryan weather in December

The average maximum daytime temperature in Cairnryan 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 Cairnryan 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
• 217
  217 mm of monthly rainfall

On average 217 mm (8.5 inches) of rain normally falls in Cairnryan during December with rain falling on 21 days of the month.

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