Mystic weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Mystic (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	2	3	8	13	19	23	27	26	22	17	11	5
Min temperature (night-time)	-7	-6	-2	3	8	13	17	16	12	7	2	-4
Heat & Humidity	0	0	0	0	0	0	L	L	0	0	0	0
Sea temperature	5	3	4	6	10	15	19	20	19	16	12	8

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

Sunshine & UV index in Mystic

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

Rainfall in Mystic

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	11	10	11	11	11	11	9	9	8	8	11	12
Average monthly rainfall (mm)	103	95	111	108	99	84	86	102	97	98	123	116

More about Mystic

Mystic by month

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

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The climate guide for Connecticut (Mystic) 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 Mystic?

Mystic has a cold climate with hot summers and some rainfall in all months.

Mystic weather in January

Expect daytime maximum temperatures of 2°C in Mystic, Connecticut in January based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 103 mm of rainfall in the month, which might fall as snow.

2
2°C max day temperature
6
6 hours of sunshine per day
11
11 days with some rainfall
-7
-7°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
103
103 mm of monthly rainfall
2
2 (Low) UV index
5
5°C sea temperature

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Mystic weather in February

Expect daytime maximum temperatures of 3°C in Mystic, Connecticut in February based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 95 mm of rainfall in the month, which might fall as snow.

3
3°C max day temperature
7
7 hours of sunshine per day
10
10 days with some rainfall
-6
-6°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
95
95 mm of monthly rainfall
2
2 (Low) UV index
3
3°C sea temperature

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Mystic weather in March

Expect daytime maximum temperatures of 8°C in Mystic, Connecticut in March based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 111 mm of rainfall in the month.

8
8°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
-2
-2°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
111
111 mm of monthly rainfall
4
4 (Moderate) UV index
4
4°C sea temperature

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Mystic weather in April

Expect daytime maximum temperatures of 13°C in Mystic, Connecticut in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 108 mm of rainfall in the month.

13
13°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
3
3°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
108
108 mm of monthly rainfall
6
6 (High) UV index
6
6°C sea temperature

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Mystic weather in May

Expect daytime maximum temperatures of 19°C in Mystic, Connecticut in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 99 mm of rainfall in the month.

19
19°C max day temperature
9
9 hours of sunshine per day
11
11 days with some rainfall
8
8°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
99
99 mm of monthly rainfall
7
7 (High) UV index
10
10°C sea temperature

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Mystic weather in June

Expect daytime maximum temperatures of 23°C in Mystic, Connecticut in June based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 84 mm of rainfall in the month.

23
23°C max day temperature
9
9 hours of sunshine per day
11
11 days with some rainfall
13
13°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
84
84 mm of monthly rainfall
8
8 (Very High) UV index
15
15°C sea temperature

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Mystic weather in July

Expect daytime maximum temperatures of 27°C in Mystic, Connecticut in July based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 86 mm of rainfall in the month.

27
27°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
17
17°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
86
86 mm of monthly rainfall
8
8 (Very High) UV index
19
19°C sea temperature

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Mystic weather in August

Expect daytime maximum temperatures of 26°C in Mystic, Connecticut in August based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 102 mm of rainfall in the month.

26
26°C max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
16
16°C min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
102
102 mm of monthly rainfall
8
8 (Very High) UV index
20
20°C sea temperature

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Mystic weather in September

Expect daytime maximum temperatures of 22°C in Mystic, Connecticut in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 97 mm of rainfall in the month.

22
22°C max day temperature
8
8 hours of sunshine per day
8
8 days with some rainfall
12
12°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
97
97 mm of monthly rainfall
6
6 (High) UV index
19
19°C sea temperature

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Mystic weather in October

Expect daytime maximum temperatures of 17°C in Mystic, Connecticut in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 98 mm of rainfall in the month.

17
17°C max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
7
7°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
98
98 mm of monthly rainfall
4
4 (Moderate) UV index
16
16°C sea temperature

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Mystic weather in November

Expect daytime maximum temperatures of 11°C in Mystic, Connecticut in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 123 mm of rainfall in the month.

11
11°C max day temperature
5
5 hours of sunshine per day
11
11 days with some rainfall
2
2°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
123
123 mm of monthly rainfall
2
2 (Low) UV index
12
12°C sea temperature

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Mystic weather in December

Expect daytime maximum temperatures of 5°C in Mystic, Connecticut in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 116 mm of rainfall in the month, which might fall as snow.