Nantucket climate guide

Temperature in Nantucket (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
3°C maximum daytime temperature in January in Nantucket3
3°C maximum daytime temperature in February in Nantucket3
6°C maximum daytime temperature in March in Nantucket6
11°C maximum daytime temperature in April in Nantucket11
16°C maximum daytime temperature in May in Nantucket16
21°C maximum daytime temperature in June in Nantucket21
25°C maximum daytime temperature in July in Nantucket25
24°C maximum daytime temperature in August in Nantucket24
21°C maximum daytime temperature in September in Nantucket21
17°C maximum daytime temperature in October in Nantucket17
11°C maximum daytime temperature in November in Nantucket11
6°C maximum daytime temperature in December in Nantucket6
Min temperature (night-time)
-4°C minimum night-time temperature in January in Nantucket-4
-4°C minimum night-time temperature in February in Nantucket-4
0°C minimum night-time temperature in March in Nantucket0
4°C minimum night-time temperature in April in Nantucket4
9°C minimum night-time temperature in May in Nantucket9
14°C minimum night-time temperature in June in Nantucket14
18°C minimum night-time temperature in July in Nantucket18
17°C minimum night-time temperature in August in Nantucket17
14°C minimum night-time temperature in September in Nantucket14
10°C minimum night-time temperature in October in Nantucket10
5°C minimum night-time temperature in November in Nantucket5
-1°C minimum night-time temperature in December in Nantucket-1
Sea temperature
5°C sea temperature in January in Nantucket5
3°C sea temperature in February in Nantucket3
3°C sea temperature in March in Nantucket3
6°C sea temperature in April in Nantucket6
9°C sea temperature in May in Nantucket9
14°C sea temperature in June in Nantucket14
18°C sea temperature in July in Nantucket18
20°C sea temperature in August in Nantucket20
18°C sea temperature in September in Nantucket18
15°C sea temperature in October in Nantucket15
10°C sea temperature in November in Nantucket10
7°C sea temperature in December in Nantucket7

Sunshine & Daylight in Nantucket

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Nantucket10
11 hours of daylight per day in February in Nantucket11
12 hours of daylight per day in March in Nantucket12
13 hours of daylight per day in April in Nantucket13
15 hours of daylight per day in May in Nantucket15
15 hours of daylight per day in June in Nantucket15
15 hours of daylight per day in July in Nantucket15
14 hours of daylight per day in August in Nantucket14
12 hours of daylight per day in September in Nantucket12
11 hours of daylight per day in October in Nantucket11
10 hours of daylight per day in November in Nantucket10
9 hours of daylight per day in December in Nantucket9

Rainfall in Nantucket

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
12 days with some rainfall in January in Nantucket12
11 days with some rainfall in February in Nantucket11
12 days with some rainfall in March in Nantucket12
11 days with some rainfall in April in Nantucket11
11 days with some rainfall in May in Nantucket11
11 days with some rainfall in June in Nantucket11
9 days with some rainfall in July in Nantucket9
10 days with some rainfall in August in Nantucket10
8 days with some rainfall in September in Nantucket8
9 days with some rainfall in October in Nantucket9
11 days with some rainfall in November in Nantucket11
13 days with some rainfall in December in Nantucket13
Average monthly rainfall (mm)
101 mm monthly rainfall in January in Nantucket101
92 mm monthly rainfall in February in Nantucket92
99 mm monthly rainfall in March in Nantucket99
90 mm monthly rainfall in April in Nantucket90
81 mm monthly rainfall in May in Nantucket81
58 mm monthly rainfall in June in Nantucket58
66 mm monthly rainfall in July in Nantucket66
87 mm monthly rainfall in August in Nantucket87
86 mm monthly rainfall in September in Nantucket86
84 mm monthly rainfall in October in Nantucket84
103 mm monthly rainfall in November in Nantucket103
114 mm monthly rainfall in December in Nantucket114

More climate for Nantucket

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Nantucket2
UV (maximum) index 2 (Low) in February in Nantucket2
UV (maximum) index 4 (Moderate) in March in Nantucket4
UV (maximum) index 6 (High) in April in Nantucket6
UV (maximum) index 7 (High) in May in Nantucket7
UV (maximum) index 8 (Very High) in June in Nantucket8
UV (maximum) index 8 (Very High) in July in Nantucket8
UV (maximum) index 8 (Very High) in August in Nantucket8
UV (maximum) index 6 (High) in September in Nantucket6
UV (maximum) index 4 (Moderate) in October in Nantucket4
UV (maximum) index 2 (Low) in November in Nantucket2
UV (maximum) index 1 (Low) in December in Nantucket1
Heat & Humidity
No heat & humidity in January in Nantucket0
No heat & humidity in February in Nantucket0
No heat & humidity in March in Nantucket0
No heat & humidity in April in Nantucket0
No heat & humidity in May in Nantucket0
No heat & humidity in June in Nantucket0
No heat & humidity in July in Nantucket0
No heat & humidity in August in Nantucket0
No heat & humidity in September in Nantucket0
No heat & humidity in October in Nantucket0
No heat & humidity in November in Nantucket0
No heat & humidity in December in Nantucket0

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

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More about Nantucket

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

The climate guide for Nantucket, Massachusetts 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.

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

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