Nantucket, MA weather in March
March in Nantucket: chilly, with frequent rain and some snow. Highs 44°F, lows 32°F, about 11 days with rain or snow and about 4.7 in of snow.
- Normal high
- 44°F
- Normal low
- 32°F
- Wet days
- 11
- 3.8 in total
- Snowfall
- 4.7 in
- snow on the ground 3 days
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 42°F | 47°F |
| Normal low | 29°F | 35°F |
| Chance of a wet day | 34% | 37% |
| Sunrise / sunset | 6:14 am / 5:30 pm | 6:25 am / 7:04 pm |
| Daylight | 11.3 h | 12.7 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical March day
- 6 am32°Fdew point 25°F
- 9 am38°Fdew point 26°F
- Noon44°Fdew point 27°F
- 3 pm43°Fdew point 26°F
- 6 pm39°Fdew point 26°F
- 9 pm36°Fdew point 26°F
NOAA hourly normals (local standard time) from Plymouth Muni Airport (54 mi away); average wind 9 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)0 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain (temperature and rain only)0 of 31
- Hot dayshigh 90°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow11 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below17 of 31
- Snow on the groundsnow depth 1 in or more3 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain and snow in March
Normal precipitation is 3.8 in; a dry March brings about 2.8 in and a wet one about 4.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 4.7 in, with about 2 days of an inch or more.
How March varies from year to year
- Warmest March, 1991-20202012: average high 50°F
- Coolest March2015: average high 40°F
- Wettest March2018: 10.9 in
- Driest March2006: 0.7 in
- Highest reading66°F (March 23, 2012)
- Lowest reading10°F (March 1, 2015)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 40°F | 44°F | 52°F |
| Normal low | 27°F | 32°F | 39°F |
| Wet days | 10 | 11 | 12 |
| Comfortable days | 0 | 0 | 1 |
| Daylight | 10.6 h | 12.0 h | 13.3 h |
Highs change by +4°F from February and +8°F into April.
Nearby alternatives in March
- Warmer: Yonkers, NY199 mi · high 50°F · 11 wet days
How Nantucket ranks in March
- Normal high329th warmest of 378 cities; 8th of 9 in Massachusetts
- Wet days253rd driest of 378
What to pack for Nantucket in March
- A warm jacket – lows near 32°F, highs near 44°F
- A rain jacket or umbrella – rain or snow on about 11 days
- Waterproof boots – about 4.7 in of snow in a typical year
- A hat and gloves – about 17 freezing nights
Heating and cooling
March has 842 heating degree days and 0 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.
Questions
How cold is Nantucket in March?
The normal high is 44°F and the normal low is 32°F. From 1991 to 2020 the coldest March reading was 10°F (most recently on March 1, 2015).
Does it rain a lot in Nantucket in March?
About 11 days in March have at least 0.01 in of precipitation, and the normal total is 3.8 in. The wettest March in 1991-2020 was in 2018 (10.9 in); the driest was in 2006 (0.7 in).
Does it snow in Nantucket in March?
Yes. Normal snowfall in March is 4.7 in, and snow covers the ground on about 3 days.
Is March a good time to visit Nantucket?
March ranks 9th of 12 months on our comfort score for Nantucket (42 out of 100). It has almost no comfortable days (judged by temperature only). The best months are July and August.
Where the numbers come from
- Temperature, rain and frost dates: Nantucket Mem Airport (USW00014756), 2.9 mi SE of the city center, 45 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Edgartown (USC00192501), 23 mi WNW of the city center, 30 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Plymouth Muni Airport (USW00054769), 54 mi NW of the city center, 149 ft (128 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Not available for this location: cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).