Climate of Nantucket
Nantucket has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Nantucket is 13° degrees and there is about 545 mm of rain in a year. It is dry for 173 days a year with an average humidity of 79% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 4°C and 22°C
- Night:the average nighttime temperature is between 1°C and 21°C
- Sea temperature: the sea temperature is between 5°C and 22°C
- Rain: it rains 144 days and there is a total of approximately 545 mm rainfall
- Snow: it snows an average of 17 days per year
- Sun hours: throughout the year there are 2729 sun hours
Maximum temperature: | between 4°C and 22°C |
Warmest month: | 22°C in August |
Coldest month: | 4°C in February |
Night temperature: | between 1°C and 21°C |
Sea temperature: | between 5°C and 22°C |
Dry days: | 204 days |
Days with rain: | 144 days |
Days with snow: | 17 days |
Total rain sum: | 545 mm |
Hours of sunshine: | 2729 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Nantucket.
Precipitation graph
This graph shows the average amount of rainfall per month for Nantucket.
Climate table of Nantucket
In this climate table you can see at a glance what the average weather per month is for Nantucket. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Nantucket might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 5 | 4 | 5 | 9 | 13 | 17 | 21 | 22 | 20 | 16 | 12 | 8 |
Night temp. (°C) | 1 | 1 | 2 | 7 | 11 | 16 | 20 | 21 | 18 | 14 | 9 | 4 |
Water temp. (°C) | 7 | 5 | 6 | 9 | 13 | 18 | 22 | 22 | 20 | 19 | 13 | 11 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 56 | 43 | 52 | 38 | 43 | 42 | 42 | 37 | 39 | 62 | 43 | 48 |
Days with rain | 11 | 9 | 13 | 13 | 13 | 13 | 13 | 11 | 11 | 13 | 11 | 13 |
Days with snow | 6 | 4 | 3 | - | - | - | - | - | - | - | 1 | 3 |
Dry days | 14 | 15 | 15 | 17 | 18 | 17 | 18 | 20 | 19 | 18 | 18 | 15 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 4 | 5 | 6 | 9 | 9 | 10 | 11 | 11 | 9 | 7 | 5 | 4 |
Wind force (Bft) | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 5 |
UV-index | 2 | 2 | 2 | 3 | 4 | 5 | 6 | 6 | 5 | 4 | 3 | 2 |
Best time to visit Nantucket
The best time to visit Nantucket in the state of Massachusetts is from July through September. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Nantucket is 22°C in August and the lowest is 4°C in February. The water temperature is 22°C at its highest and in other months it can be 5°C.
Climate of Nantucket by month
What is the average climate in a given month for Nantucket? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Nantucket weather experiences
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