Boston, MA weather in March
March in Boston: chilly, with frequent rain and some snow. Highs 46°F, lows 31°F, about 12 wet days and about 9.0 in of snow.
- Normal high
- 46°F
- Normal low
- 31°F
- Wet days
- 12
- 4.2 in total
- Snowfall
- 9.0 in
- snow on the ground 9 days
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 42°F | 50°F |
| Normal low | 27°F | 35°F |
| Chance of a wet day | 37% | 39% |
| Sunrise / sunset | 6:19 am / 5:33 pm | 6:28 am / 7:08 pm |
| Daylight | 11.2 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 am34°Fdew point 24°F
- 9 am38°Fdew point 25°F
- Noon42°Fdew point 25°F
- 3 pm43°Fdew point 26°F
- 6 pm40°Fdew point 25°F
- 9 pm38°Fdew point 25°F
NOAA hourly normals (local standard time) from Boston Logan Intl Airport (3 mi away); average wind 13 mph; clear or few clouds in 27% of daytime hours, mostly cloudy or overcast in 59%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow12 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below16 of 31
- Snow on the groundsnow depth 1 in or more9 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain and snow in March
Normal precipitation is 4.2 in; a dry March brings about 3.0 in and a wet one about 4.4 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 9.0 in, with about 2 days of an inch or more.
How March varies from year to year
- Warmest March, 1991-20202012: average high 55°F
- Coolest March2001: average high 41°F
- Wettest March2010: 14.9 in
- Driest March2006: 0.6 in
- Highest reading89°F (March 31, 1998)
- Lowest reading5°F (March 9, 2007)
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 | 39°F | 46°F | 56°F |
| Normal low | 25°F | 31°F | 41°F |
| Wet days | 11 | 12 | 12 |
| Comfortable days | 0 | 1 | 6 |
| Daylight | 10.6 h | 11.9 h | 13.4 h |
Highs change by +7°F from February and +10°F into April.
Nearby alternatives in March
- Warmer: Paterson, NJ189 mi · high 51°F · 11 wet days
- Cooler: Stowe, VT167 mi · high 39°F · 12 wet days
How Boston ranks in March
- Normal high315th warmest of 378 cities; 6th of 9 in Massachusetts
- Wet days316th driest of 378
- Comfortable days295th most of 339
What to pack for Boston in March
- A warm jacket – lows near 31°F, highs near 46°F
- A rain jacket or umbrella – rain or snow on about 12 days
- Waterproof boots – about 9.0 in of snow in a typical year
- A hat and gloves – about 16 freezing nights
Heating and cooling
March has 828 heating degree days and 1 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How cold is Boston in March?
The normal high is 46°F and the normal low is 31°F. From 1991 to 2020 the coldest March reading was 5°F (March 9, 2007).
Does it rain a lot in Boston in March?
About 12 days in March have at least 0.01 in of precipitation, and the normal total is 4.2 in. The wettest March in 1991-2020 was in 2010 (14.9 in); the driest was in 2006 (0.6 in).
Does it snow in Boston in March?
Yes. Normal snowfall in March is 9.0 in, and snow covers the ground on about 9 days.
Is March a good time to visit Boston?
March ranks 9th of 12 months on our comfort score for Boston (42 out of 100). It has about 1 comfortable day. The best months are May, June and September.
Where the numbers come from
- Temperature, rain, snowfall, frost dates, humidity and wind by hour and cloud cover: Boston Logan Intl Airport (USW00014739), 2.5 mi E of the city center, 12 ft . NOAA normals and daily records, 1991-2020.
- Snow depth: Hingham (USC00193624), 12 mi SE of the city center, 35 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Gen E L Logan International Airport (725090-14739), 2.5 mi E of the city center, 11 ft . Hourly observations, 1991-2020.