Kilmun weather

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

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Kilmun weather averages

Check the Kilmun 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 Kilmun, Argyll and Bute, Scotland.

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Kilmun weather by month

Check the weather for Kilmun, Argyll and Bute, 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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Kilmun weather in January

The average maximum daytime temperature in Kilmun in January is a cold 6°C (43°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 Kilmun during January.

• 6
  6°C max day temperature
• 1
  1 hour of sunshine per day
• 22
  22 days with some rainfall
• 2
  2°C min night temperature
• 171
  171 mm of monthly rainfall

On average 171 mm (6.7 inches) of rain normally falls in Kilmun during January with rain falling on 22 days of the month.

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Kilmun weather in February

The average maximum daytime temperature in Kilmun in February is a cold 6°C (43°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 Kilmun during February.

• 6
  6°C max day temperature
• 2
  2 hours of sunshine per day
• 19
  19 days with some rainfall
• 2
  2°C min night temperature
• 118
  118 mm of monthly rainfall

On average 118 mm (4.6 inches) of rain normally falls in Kilmun during February with rain falling on 19 days of the month.

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Kilmun weather in March

The average maximum daytime temperature in Kilmun in March is a cool 8°C (46°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 Kilmun during March.

• 8
  8°C max day temperature
• 3
  3 hours of sunshine per day
• 20
  20 days with some rainfall
• 2
  2°C min night temperature
• 131
  131 mm of monthly rainfall

On average 131 mm (5.2 inches) of rain normally falls in Kilmun during March with rain falling on 20 days of the month.

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Kilmun weather in April

The average maximum daytime temperature in Kilmun 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 Kilmun 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
• 84
  84 mm of monthly rainfall

On average 84 mm (3.3 inches) of rain normally falls in Kilmun during April with rain falling on 16 days of the month.

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Kilmun weather in May

The average maximum daytime temperature in Kilmun 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 Kilmun 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
• 75
  75 mm of monthly rainfall

On average 75 mm (3 inches) of rain normally falls in Kilmun during May with rain falling on 16 days of the month.

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Kilmun weather in June

The average maximum daytime temperature in Kilmun in June 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 6 hours of sunshine a day in Kilmun during June.

• 16
  16°C max day temperature
• 6
  6 hours of sunshine per day
• 16
  16 days with some rainfall
• 9
  9°C min night temperature
• 79
  79 mm of monthly rainfall

On average 79 mm (3.1 inches) of rain normally falls in Kilmun during June with rain falling on 16 days of the month.

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Kilmun weather in July

The average maximum daytime temperature in Kilmun 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 Kilmun during July.

• 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
• 95
  95 mm of monthly rainfall

On average 95 mm (3.7 inches) of rain normally falls in Kilmun during July with rain falling on 17 days of the month.

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Kilmun weather in August

The average maximum daytime temperature in Kilmun in August is a comfortable 17°C (63°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 Kilmun during August.

• 17
  17°C max day temperature
• 5
  5 hours of sunshine per day
• 18
  18 days with some rainfall
• 11
  11°C min night temperature
• 124
  124 mm of monthly rainfall

On average 124 mm (4.9 inches) of rain normally falls in Kilmun during August with rain falling on 18 days of the month.

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Kilmun weather in September

The average maximum daytime temperature in Kilmun in September is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 3 hours of sunshine a day in Kilmun during September.

• 15
  15°C max day temperature
• 3
  3 hours of sunshine per day
• 20
  20 days with some rainfall
• 9
  9°C min night temperature
• 154
  154 mm of monthly rainfall

On average 154 mm (6.1 inches) of rain normally falls in Kilmun during September with rain falling on 20 days of the month.

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Kilmun weather in October

The average maximum daytime temperature in Kilmun in October is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 2 hours of sunshine a day in Kilmun during October.

• 12
  12°C max day temperature
• 2
  2 hours of sunshine per day
• 22
  22 days with some rainfall
• 7
  7°C min night temperature
• 160
  160 mm of monthly rainfall

On average 160 mm (6.3 inches) of rain normally falls in Kilmun during October with rain falling on 22 days of the month.

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Kilmun weather in November

The average maximum daytime temperature in Kilmun 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 Kilmun during November.

• 9
  9°C max day temperature
• 2
  2 hours of sunshine per day
• 22
  22 days with some rainfall
• 4
  4°C min night temperature
• 165
  165 mm of monthly rainfall

On average 165 mm (6.5 inches) of rain normally falls in Kilmun during November with rain falling on 22 days of the month.

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Kilmun weather in December

The average maximum daytime temperature in Kilmun in December is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 1 hours of sunshine a day in Kilmun during December.

• 7
  7°C max day temperature
• 1
  1 hour of sunshine per day
• 23
  23 days with some rainfall
• 3
  3°C min night temperature
• 165
  165 mm of monthly rainfall

On average 165 mm (6.5 inches) of rain normally falls in Kilmun during December with rain falling on 23 days of the month.

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