Scilly Isles weather by month

Check out Scilly Isles weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Scilly Isles (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	9	8	10	11	14	17	19	18	17	14	11	10
Min temperature (night-time)	4	4	5	6	8	11	13	13	11	10	7	5
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0
Sea temperature	10	10	10	10	12	14	16	17	16	14	12	11

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

Sunshine & UV index in Scilly Isles

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	2	3	4	6	7	7	7	6	5	3	2	2
Daily hours of daylight	9	10	12	14	15	16	16	14	13	11	9	8
UV Index (Maximum)	1	1	3	4	6	6	7	6	4	2	1	1

Rainfall in Scilly Isles

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	20	17	17	15	14	13	12	14	15	18	19	20
Average monthly rainfall (mm)	141	109	105	68	69	66	62	78	89	119	134	142

More about Scilly Isles

Scilly Isles by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for England (Scilly Isles) 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.

What's the climate like in Scilly Isles?

Scilly Isles has a temperate climate with warm summers and some rainfall in all months.

Scilly Isles weather in January

Expect daytime maximum temperatures of 9°C in Scilly Isles, England in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 141 mm of rainfall in the month.

9
9°C max day temperature
2
2 hours of sunshine per day
20
20 days with some rainfall
4
4°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
141
141 mm of monthly rainfall
1
1 (Low) UV index
10
10°C sea temperature

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Scilly Isles weather in February

Expect daytime maximum temperatures of 8°C in Scilly Isles, England in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 17 days with some rainfall and typically 109 mm of rainfall in the month.

8
8°C max day temperature
3
3 hours of sunshine per day
17
17 days with some rainfall
4
4°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
109
109 mm of monthly rainfall
1
1 (Low) UV index
10
10°C sea temperature

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Scilly Isles weather in March

Expect daytime maximum temperatures of 10°C in Scilly Isles, England in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 105 mm of rainfall in the month.

10
10°C max day temperature
4
4 hours of sunshine per day
17
17 days with some rainfall
5
5°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
105
105 mm of monthly rainfall
3
3 (Moderate) UV index
10
10°C sea temperature

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Scilly Isles weather in April

Expect daytime maximum temperatures of 11°C in Scilly Isles, England in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 68 mm of rainfall in the month.

11
11°C max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
6
6°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
68
68 mm of monthly rainfall
4
4 (Moderate) UV index
10
10°C sea temperature

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Scilly Isles weather in May

Expect daytime maximum temperatures of 14°C in Scilly Isles, England in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 69 mm of rainfall in the month.

14
14°C max day temperature
7
7 hours of sunshine per day
14
14 days with some rainfall
8
8°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
69
69 mm of monthly rainfall
6
6 (High) UV index
12
12°C sea temperature

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Scilly Isles weather in June

Expect daytime maximum temperatures of 17°C in Scilly Isles, England in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 66 mm of rainfall in the month.

17
17°C max day temperature
7
7 hours of sunshine per day
13
13 days with some rainfall
11
11°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
66
66 mm of monthly rainfall
6
6 (High) UV index
14
14°C sea temperature

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Scilly Isles weather in July

Expect daytime maximum temperatures of 19°C in Scilly Isles, England in July based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 62 mm of rainfall in the month.

19
19°C max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
13
13°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
62
62 mm of monthly rainfall
7
7 (High) UV index
16
16°C sea temperature

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Scilly Isles weather in August

Expect daytime maximum temperatures of 18°C in Scilly Isles, England in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 78 mm of rainfall in the month.

18
18°C max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
13
13°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
78
78 mm of monthly rainfall
6
6 (High) UV index
17
17°C sea temperature

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Scilly Isles weather in September

Expect daytime maximum temperatures of 17°C in Scilly Isles, England in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 89 mm of rainfall in the month.

17
17°C max day temperature
5
5 hours of sunshine per day
15
15 days with some rainfall
11
11°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
89
89 mm of monthly rainfall
4
4 (Moderate) UV index
16
16°C sea temperature

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Scilly Isles weather in October

Expect daytime maximum temperatures of 14°C in Scilly Isles, England in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 119 mm of rainfall in the month.

14
14°C max day temperature
3
3 hours of sunshine per day
18
18 days with some rainfall
10
10°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
119
119 mm of monthly rainfall
2
2 (Low) UV index
14
14°C sea temperature

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Scilly Isles weather in November

Expect daytime maximum temperatures of 11°C in Scilly Isles, England in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 19 days with some rainfall and typically 134 mm of rainfall in the month.

11
11°C max day temperature
2
2 hours of sunshine per day
19
19 days with some rainfall
7
7°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
134
134 mm of monthly rainfall
1
1 (Low) UV index
12
12°C sea temperature

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Scilly Isles weather in December

Expect daytime maximum temperatures of 10°C in Scilly Isles, England in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 142 mm of rainfall in the month.