Castletown weather

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

• Castletown weather averages
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Castletown weather averages

Check the Castletown 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 Castletown, Highland, Scotland.

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Castletown weather by month

Check the weather for Castletown, Highland, 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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Castletown weather in January

The average maximum daytime temperature in Castletown 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 1 hours of sunshine a day in Castletown during January.

• 6
  6°C max day temperature
• 1
  1 hour of sunshine per day
• 22
  22 days with some rainfall
• 1
  1°C min night temperature
• 98
  98 mm of monthly rainfall

On average 98 mm (3.9 inches) of rain normally falls in Castletown during January with rain falling on 22 days of the month.

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Castletown weather in February

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

• 6
  6°C max day temperature
• 3
  3 hours of sunshine per day
• 19
  19 days with some rainfall
• 1
  1°C min night temperature
• 76
  76 mm of monthly rainfall

On average 76 mm (3 inches) of rain normally falls in Castletown during February with rain falling on 19 days of the month.

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Castletown weather in March

The average maximum daytime temperature in Castletown 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 Castletown during March.

• 8
  8°C max day temperature
• 3
  3 hours of sunshine per day
• 21
  21 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 Castletown during March with rain falling on 21 days of the month.

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Castletown weather in April

The average maximum daytime temperature in Castletown in April 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 5 hours of sunshine a day in Castletown during April.

• 9
  9°C max day temperature
• 5
  5 hours of sunshine per day
• 18
  18 days with some rainfall
• 3
  3°C min night temperature
• 56
  56 mm of monthly rainfall

On average 56 mm (2.2 inches) of rain normally falls in Castletown during April with rain falling on 18 days of the month.

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Castletown weather in May

The average maximum daytime temperature in Castletown in May 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 6 hours of sunshine a day in Castletown during May.

• 12
  12°C max day temperature
• 6
  6 hours of sunshine per day
• 15
  15 days with some rainfall
• 6
  6°C min night temperature
• 48
  48 mm of monthly rainfall

On average 48 mm (1.9 inches) of rain normally falls in Castletown during May with rain falling on 15 days of the month.

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Castletown weather in June

The average maximum daytime temperature in Castletown in June is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 5 hours of sunshine a day in Castletown during June.

• 14
  14°C max day temperature
• 5
  5 hours of sunshine per day
• 16
  16 days with some rainfall
• 8
  8°C min night temperature
• 52
  52 mm of monthly rainfall

On average 52 mm (2 inches) of rain normally falls in Castletown during June with rain falling on 16 days of the month.

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Castletown weather in July

The average maximum daytime temperature in Castletown in July is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 4 hours of sunshine a day in Castletown during July.

• 16
  16°C max day temperature
• 4
  4 hours of sunshine per day
• 18
  18 days with some rainfall
• 10
  10°C min night temperature
• 56
  56 mm of monthly rainfall

On average 56 mm (2.2 inches) of rain normally falls in Castletown during July with rain falling on 18 days of the month.

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Castletown weather in August

The average maximum daytime temperature in Castletown in August is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 4 hours of sunshine a day in Castletown during August.

• 16
  16°C max day temperature
• 4
  4 hours of sunshine per day
• 18
  18 days with some rainfall
• 10
  10°C min night temperature
• 67
  67 mm of monthly rainfall

On average 67 mm (2.6 inches) of rain normally falls in Castletown during August with rain falling on 18 days of the month.

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Castletown weather in September

The average maximum daytime temperature in Castletown in September is a comfortable 14°C (57°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 Castletown during September.

• 14
  14°C max day temperature
• 4
  4 hours of sunshine per day
• 20
  20 days with some rainfall
• 8
  8°C min night temperature
• 89
  89 mm of monthly rainfall

On average 89 mm (3.5 inches) of rain normally falls in Castletown during September with rain falling on 20 days of the month.

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Castletown weather in October

The average maximum daytime temperature in Castletown 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 Castletown during October.

• 12
  12°C max day temperature
• 3
  3 hours of sunshine per day
• 22
  22 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 Castletown during October with rain falling on 22 days of the month.

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Castletown weather in November

The average maximum daytime temperature in Castletown 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 Castletown during November.

• 9
  9°C max day temperature
• 2
  2 hours of sunshine per day
• 23
  23 days with some rainfall
• 4
  4°C min night temperature
• 118
  118 mm of monthly rainfall

On average 118 mm (4.6 inches) of rain normally falls in Castletown during November with rain falling on 23 days of the month.

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Castletown weather in December

The average maximum daytime temperature in Castletown 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 Castletown during December.

• 7
  7°C max day temperature
• 1
  1 hour of sunshine per day
• 23
  23 days with some rainfall
• 2
  2°C min night temperature
• 98
  98 mm of monthly rainfall

On average 98 mm (3.9 inches) of rain normally falls in Castletown during December with rain falling on 23 days of the month.

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