Plymouth weather in March: Plymouth, Massachusetts: normal highs, lows, rain and records for March
Plymouth in March has a normal high of 46°F and a normal low of 27°F, a daily mean of 37°F, rising from 43°F on the 1st to 50°F by the 31st. Measurable precipitation falls on 12 days in a normal March, 4.95 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 8°C and low of −3°C, 126 mm of precipitation in March.
- NOAA stationPlymouth Municipal Airport
- Station IDUSW00054769
- Location41.91°N 70.73°W
- Elevation149 ft (45 m)
- Population (town)66,663
- Census place7,852
- Jan 38° 20°
- Feb 40° 21°
- Mar 46° 27°
- Apr 57° 36°
- May 67° 46°
- Jun 76° 55°
- Jul 82° 62°
- Aug 80° 61°
- Sep 73° 53°
- Oct 63° 42°
- Nov 53° 33°
- Dec 43° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Plymouth in March?
The normal high is 46°F and the normal low 27°F, for a daily mean of 36.8°F. March is 6.3°F warmer than February and 9.3°F cooler than April. March is the 9th warmest month of the year in Plymouth and the wettest. Across the month the normal high rises 7°F, from 43°F on March 1 to 50°F on March 31. From one year to the next March's mean temperature typically moves about 3.4°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 33°F and 40°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 43%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 43°F | 24°F | 38% | 22% |
| March 8 | 44°F | 26°F | 38% | 22% |
| March 15 | 46°F | 27°F | 39% | 23% |
| March 22 | 48°F | 29°F | 41% | 23% |
| March 31 | 50°F | 31°F | 43% | 24% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 43°F | 24°F | 38% | 22% | 11 h 10 min |
| March 2 | 43°F | 24°F | 38% | 22% | 11 h 10 min |
| March 3 | 43°F | 25°F | 38% | 22% | 11 h 20 min |
| March 4 | 43°F | 25°F | 38% | 22% | 11 h 20 min |
| March 5 | 43°F | 25°F | 38% | 22% | 11 h 20 min |
| March 6 | 44°F | 25°F | 38% | 22% | 11 h 30 min |
| March 7 | 44°F | 25°F | 38% | 22% | 11 h 30 min |
| March 8 | 44°F | 26°F | 38% | 22% | 11 h 30 min |
| March 9 | 44°F | 26°F | 39% | 22% | 11 h 30 min |
| March 10 | 45°F | 26°F | 39% | 22% | 11 h 40 min |
| March 11 | 45°F | 26°F | 39% | 22% | 11 h 40 min |
| March 12 | 45°F | 26°F | 39% | 22% | 11 h 40 min |
| March 13 | 45°F | 27°F | 39% | 23% | 11 h 50 min |
| March 14 | 45°F | 27°F | 39% | 23% | 11 h 50 min |
| March 15 | 46°F | 27°F | 39% | 23% | 11 h 50 min |
| March 16 | 46°F | 27°F | 40% | 23% | 11 h 50 min |
| March 17 | 46°F | 28°F | 40% | 23% | 12 h |
| March 18 | 46°F | 28°F | 40% | 23% | 12 h |
| March 19 | 47°F | 28°F | 40% | 23% | 12 h |
| March 20 | 47°F | 28°F | 40% | 23% | 12 h 10 min |
| March 21 | 47°F | 29°F | 41% | 23% | 12 h 10 min |
| March 22 | 48°F | 29°F | 41% | 23% | 12 h 10 min |
| March 23 | 48°F | 29°F | 41% | 23% | 12 h 10 min |
| March 24 | 48°F | 29°F | 41% | 23% | 12 h 20 min |
| March 25 | 48°F | 29°F | 41% | 23% | 12 h 20 min |
| March 26 | 49°F | 30°F | 42% | 24% | 12 h 20 min |
| March 27 | 49°F | 30°F | 42% | 24% | 12 h 30 min |
| March 28 | 49°F | 30°F | 42% | 24% | 12 h 30 min |
| March 29 | 50°F | 31°F | 43% | 24% | 12 h 30 min |
| March 30 | 50°F | 31°F | 43% | 24% | 12 h 30 min |
| March 31 | 50°F | 31°F | 43% | 24% | 12 h 40 min |
- Normal high
- 46°FMarch average
- Normal low
- 27°FMarch average
- Precipitation
- 4.95 inmonth total
- Days with precipitation
- 120.01 inch or more
- Nights at 32°F or colder
- 22
- Daylight
- 11 h 10 min to 12 h 40 minMarch 1 to March 31
- Days at 70°F or more
- 1
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00054769; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Plymouth in March?
On a given March day the chance of 0.01 inch or more is 40% on average, highest around March 31 (43%). In all, 4.95 in falls on 12 days of a normal March, 2 of them with an inch or more.
In a normal March in Plymouth, 22 nights fall to freezing and 2 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00054769.
How humid and windy is Plymouth in March?
At 3 p.m. the normal temperature is 48°F with 50% relative humidity and a dew point of 30°F; at 6 a.m. it is 36°F with 0% humidity. The wind averages 9.0 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 36°F | – | – | 6.9 mph | – |
| 9 a.m. | 43°F | 30°F | 59% | 11.4 mph | – |
| noon | 47°F | 30°F | 51% | – | – |
| 3 p.m. | 48°F | 30°F | 50% | 12.0 mph | – |
| 6 p.m. | 44°F | 31°F | 58% | 8.9 mph | – |
| 9 p.m. | 40°F | 31°F | 70% | 6.9 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00054769. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for March in Plymouth?
The warmest March temperature on this station's record (since 1996) is 80°F, on March 31, 1998; the coldest is −4°F, on March 1, 2015. The wettest March brought 13.79 in (2010).
The March mean against the 1991-2020 normal of 36.8°F: 2021 39.4°F (+2.6), 2022 41.1°F (+4.3), 2023 39.7°F (+2.9), 2024 42.6°F (+5.8), 2025 41.7°F (+4.9), 2026 38.3°F (+1.5). 6 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 39.4°F | +2.6°F | 2.29 in |
| 2022 | 41.1°F | +4.3°F | 3.50 in |
| 2023 | 39.7°F | +2.9°F | 5.03 in |
| 2024 | 42.6°F | +5.8°F | 10.76 in |
| 2025 | 41.7°F | +4.9°F | 3.93 in |
| 2026 | 38.3°F | +1.5°F | 6.24 in |
Source: records: ACIS, station USW00054769; recent months: ACIS, station USW00054769. Records and recent months use complete months only.
How does March in Plymouth compare across Massachusetts?
Across the 35 places PlainClimate covers in Massachusetts, March normal highs run from 42°F in Pittsfield to 49°F in Norwood; Plymouth's is 46°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.