Scilly Isles climate guide

Temperature in Scilly Isles (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
9°C maximum daytime temperature in January in Scilly Isles9
8°C maximum daytime temperature in February in Scilly Isles8
10°C maximum daytime temperature in March in Scilly Isles10
11°C maximum daytime temperature in April in Scilly Isles11
14°C maximum daytime temperature in May in Scilly Isles14
17°C maximum daytime temperature in June in Scilly Isles17
19°C maximum daytime temperature in July in Scilly Isles19
18°C maximum daytime temperature in August in Scilly Isles18
17°C maximum daytime temperature in September in Scilly Isles17
14°C maximum daytime temperature in October in Scilly Isles14
11°C maximum daytime temperature in November in Scilly Isles11
10°C maximum daytime temperature in December in Scilly Isles10
Min temperature (night-time)
4°C minimum night-time temperature in January in Scilly Isles4
4°C minimum night-time temperature in February in Scilly Isles4
5°C minimum night-time temperature in March in Scilly Isles5
6°C minimum night-time temperature in April in Scilly Isles6
8°C minimum night-time temperature in May in Scilly Isles8
11°C minimum night-time temperature in June in Scilly Isles11
13°C minimum night-time temperature in July in Scilly Isles13
13°C minimum night-time temperature in August in Scilly Isles13
11°C minimum night-time temperature in September in Scilly Isles11
10°C minimum night-time temperature in October in Scilly Isles10
7°C minimum night-time temperature in November in Scilly Isles7
5°C minimum night-time temperature in December in Scilly Isles5
Sea temperature
10°C sea temperature in January in Scilly Isles10
10°C sea temperature in February in Scilly Isles10
10°C sea temperature in March in Scilly Isles10
10°C sea temperature in April in Scilly Isles10
12°C sea temperature in May in Scilly Isles12
14°C sea temperature in June in Scilly Isles14
16°C sea temperature in July in Scilly Isles16
17°C sea temperature in August in Scilly Isles17
16°C sea temperature in September in Scilly Isles16
14°C sea temperature in October in Scilly Isles14
12°C sea temperature in November in Scilly Isles12
11°C sea temperature in December in Scilly Isles11

Sunshine & Daylight in Scilly Isles

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Scilly Isles9
10 hours of daylight per day in February in Scilly Isles10
12 hours of daylight per day in March in Scilly Isles12
14 hours of daylight per day in April in Scilly Isles14
15 hours of daylight per day in May in Scilly Isles15
16 hours of daylight per day in June in Scilly Isles16
16 hours of daylight per day in July in Scilly Isles16
14 hours of daylight per day in August in Scilly Isles14
13 hours of daylight per day in September in Scilly Isles13
11 hours of daylight per day in October in Scilly Isles11
9 hours of daylight per day in November in Scilly Isles9
8 hours of daylight per day in December in Scilly Isles8

Rainfall in Scilly Isles

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
20 days with some rainfall in January in Scilly Isles20
17 days with some rainfall in February in Scilly Isles17
17 days with some rainfall in March in Scilly Isles17
15 days with some rainfall in April in Scilly Isles15
14 days with some rainfall in May in Scilly Isles14
13 days with some rainfall in June in Scilly Isles13
12 days with some rainfall in July in Scilly Isles12
14 days with some rainfall in August in Scilly Isles14
15 days with some rainfall in September in Scilly Isles15
18 days with some rainfall in October in Scilly Isles18
19 days with some rainfall in November in Scilly Isles19
20 days with some rainfall in December in Scilly Isles20
Average monthly rainfall (mm)
141 mm monthly rainfall in January in Scilly Isles141
109 mm monthly rainfall in February in Scilly Isles109
105 mm monthly rainfall in March in Scilly Isles105
68 mm monthly rainfall in April in Scilly Isles68
69 mm monthly rainfall in May in Scilly Isles69
66 mm monthly rainfall in June in Scilly Isles66
62 mm monthly rainfall in July in Scilly Isles62
78 mm monthly rainfall in August in Scilly Isles78
89 mm monthly rainfall in September in Scilly Isles89
119 mm monthly rainfall in October in Scilly Isles119
134 mm monthly rainfall in November in Scilly Isles134
142 mm monthly rainfall in December in Scilly Isles142

More climate for Scilly Isles

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Scilly Isles1
UV (maximum) index 1 (Low) in February in Scilly Isles1
UV (maximum) index 3 (Moderate) in March in Scilly Isles3
UV (maximum) index 4 (Moderate) in April in Scilly Isles4
UV (maximum) index 6 (High) in May in Scilly Isles6
UV (maximum) index 6 (High) in June in Scilly Isles6
UV (maximum) index 7 (High) in July in Scilly Isles7
UV (maximum) index 6 (High) in August in Scilly Isles6
UV (maximum) index 4 (Moderate) in September in Scilly Isles4
UV (maximum) index 2 (Low) in October in Scilly Isles2
UV (maximum) index 1 (Low) in November in Scilly Isles1
UV (maximum) index 1 (Low) in December in Scilly Isles1
Heat & Humidity
No heat & humidity in January in Scilly Isles0
No heat & humidity in February in Scilly Isles0
No heat & humidity in March in Scilly Isles0
No heat & humidity in April in Scilly Isles0
No heat & humidity in May in Scilly Isles0
No heat & humidity in June in Scilly Isles0
No heat & humidity in July in Scilly Isles0
No heat & humidity in August in Scilly Isles0
No heat & humidity in September in Scilly Isles0
No heat & humidity in October in Scilly Isles0
No heat & humidity in November in Scilly Isles0
No heat & humidity in December in Scilly Isles0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

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The climate guide for Scilly Isles, UK shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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