Napier Street weather

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

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Napier Street weather averages

Check the Napier Street 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 Napier Street, West Dunbartonshire, Scotland.

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Napier Street weather by month

Check the weather for Napier Street, West Dunbartonshire, 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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Napier Street weather in January

The average maximum daytime temperature in Napier Street in January is a cold 5°C (41°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 Napier Street during January.

• 5
  5°C max day temperature
• 1
  1 hour of sunshine per day
• 22
  22 days with some rainfall
• 1
  1°C min night temperature
• 154
  154 mm of monthly rainfall

On average 154 mm (6.1 inches) of rain normally falls in Napier Street during January with rain falling on 22 days of the month.

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Napier Street weather in February

The average maximum daytime temperature in Napier Street 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 2 hours of sunshine a day in Napier Street during February.

• 6
  6°C max day temperature
• 2
  2 hours of sunshine per day
• 18
  18 days with some rainfall
• 1
  1°C min night temperature
• 104
  104 mm of monthly rainfall

On average 104 mm (4.1 inches) of rain normally falls in Napier Street during February with rain falling on 18 days of the month.

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Napier Street weather in March

The average maximum daytime temperature in Napier Street 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 Napier Street 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
• 121
  121 mm of monthly rainfall

On average 121 mm (4.8 inches) of rain normally falls in Napier Street during March with rain falling on 20 days of the month.

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Napier Street weather in April

The average maximum daytime temperature in Napier Street 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 Napier Street 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
• 72
  72 mm of monthly rainfall

On average 72 mm (2.8 inches) of rain normally falls in Napier Street during April with rain falling on 16 days of the month.

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Napier Street weather in May

The average maximum daytime temperature in Napier Street 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 Napier Street 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
• 70
  70 mm of monthly rainfall

On average 70 mm (2.8 inches) of rain normally falls in Napier Street during May with rain falling on 16 days of the month.

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Napier Street weather in June

The average maximum daytime temperature in Napier Street in June is a comfortable 17°C (63°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 Napier Street during June.

• 17
  17°C max day temperature
• 6
  6 hours of sunshine per day
• 16
  16 days with some rainfall
• 8
  8°C min night temperature
• 74
  74 mm of monthly rainfall

On average 74 mm (2.9 inches) of rain normally falls in Napier Street during June with rain falling on 16 days of the month.

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Napier Street weather in July

The average maximum daytime temperature in Napier Street in July 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 Napier Street during July.

• 18
  18°C max day temperature
• 5
  5 hours of sunshine per day
• 17
  17 days with some rainfall
• 10
  10°C min night temperature
• 84
  84 mm of monthly rainfall

On average 84 mm (3.3 inches) of rain normally falls in Napier Street during July with rain falling on 17 days of the month.

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Napier Street weather in August

The average maximum daytime temperature in Napier Street 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 Napier Street during August.

• 18
  18°C max day temperature
• 5
  5 hours of sunshine per day
• 18
  18 days with some rainfall
• 10
  10°C min night temperature
• 108
  108 mm of monthly rainfall

On average 108 mm (4.3 inches) of rain normally falls in Napier Street during August with rain falling on 18 days of the month.

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Napier Street weather in September

The average maximum daytime temperature in Napier Street in September is a comfortable 15°C (59°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 Napier Street during September.

• 15
  15°C max day temperature
• 4
  4 hours of sunshine per day
• 19
  19 days with some rainfall
• 8
  8°C min night temperature
• 132
  132 mm of monthly rainfall

On average 132 mm (5.2 inches) of rain normally falls in Napier Street during September with rain falling on 19 days of the month.

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Napier Street weather in October

The average maximum daytime temperature in Napier Street 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 Napier Street during October.

• 12
  12°C max day temperature
• 3
  3 hours of sunshine per day
• 21
  21 days with some rainfall
• 6
  6°C min night temperature
• 147
  147 mm of monthly rainfall

On average 147 mm (5.8 inches) of rain normally falls in Napier Street during October with rain falling on 21 days of the month.

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Napier Street weather in November

The average maximum daytime temperature in Napier Street in November is a cool 8°C (46°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 Napier Street during November.

• 8
  8°C max day temperature
• 2
  2 hours of sunshine per day
• 21
  21 days with some rainfall
• 3
  3°C min night temperature
• 160
  160 mm of monthly rainfall

On average 160 mm (6.3 inches) of rain normally falls in Napier Street during November with rain falling on 21 days of the month.

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Napier Street weather in December

The average maximum daytime temperature in Napier Street in December 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 Napier Street during December.

• 6
  6°C max day temperature
• 1
  1 hour of sunshine per day
• 21
  21 days with some rainfall
• 1
  1°C min night temperature
• 153
  153 mm of monthly rainfall

On average 153 mm (6 inches) of rain normally falls in Napier Street during December with rain falling on 21 days of the month.

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