Mount Washington weather in March: Mount Washington, New Hampshire: normal highs, lows, rain and records for March

Mount Washington in March has a normal high of 21°F and a normal low of 5°F, a daily mean of 13°F, rising from 17°F on the 1st to 25°F by the 31st. Measurable precipitation falls on 20 days in a normal March, 6.72 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of −6°C and low of −15°C, 171 mm of precipitation and 117 cm of snow in March.

  • NOAA stationMount Washington
  • Station IDUSW00014755
  • Location44.27°N 71.30°W
  • Elevation6,267 ft (1,910 m)
  1. Jan 15° -3°
  2. Feb 15° -3°
  3. Mar 21° 5°
  4. Apr 31° 17°
  5. May 43° 30°
  6. Jun 51° 40°
  7. Jul 55° 45°
  8. Aug 54° 43°
  9. Sep 49° 37°
  10. Oct 38° 25°
  11. Nov 28° 13°
  12. Dec 20° 4°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Mount Washington in March?

The normal high is 21°F and the normal low 5°F, for a daily mean of 12.9°F. March is 7.0°F warmer than February and 10.8°F cooler than April. March is the 9th warmest month of the year in Mount Washington and the 10th wettest. Across the month the normal high rises 8°F, from 17°F on March 1 to 25°F on March 31. From one year to the next March's mean temperature typically moves about 4.3°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 9°F and 17°F.

Mount Washington in March, day by day: normal high and low

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 65%).

Normal high and low on five days of March, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
March 117°F0°F65%43%
March 819°F2°F64%43%
March 1520°F5°F64%43%
March 2222°F7°F63%43%
March 3125°F10°F63%43%
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
Mount Washington: NOAA 1991-2020 daily normals for each day of March
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
March 117°F0°F65%43%11 h 10 min
March 217°F1°F65%43%11 h 10 min
March 318°F1°F65%43%11 h 10 min
March 418°F1°F64%43%11 h 20 min
March 518°F1°F64%43%11 h 20 min
March 618°F2°F64%43%11 h 20 min
March 719°F2°F64%43%11 h 30 min
March 819°F2°F64%43%11 h 30 min
March 919°F3°F64%44%11 h 30 min
March 1019°F3°F64%44%11 h 30 min
March 1119°F3°F64%44%11 h 40 min
March 1220°F4°F64%44%11 h 40 min
March 1320°F4°F64%44%11 h 40 min
March 1420°F4°F64%44%11 h 50 min
March 1520°F5°F64%43%11 h 50 min
March 1621°F5°F64%43%11 h 50 min
March 1721°F5°F63%43%12 h
March 1821°F6°F63%43%12 h
March 1922°F6°F63%43%12 h
March 2022°F6°F63%43%12 h 10 min
March 2122°F6°F63%43%12 h 10 min
March 2222°F7°F63%43%12 h 10 min
March 2323°F7°F63%43%12 h 10 min
March 2423°F8°F63%43%12 h 20 min
March 2523°F8°F63%43%12 h 20 min
March 2623°F8°F63%43%12 h 20 min
March 2724°F9°F63%43%12 h 30 min
March 2824°F9°F63%43%12 h 30 min
March 2924°F9°F63%43%12 h 30 min
March 3025°F10°F63%43%12 h 40 min
March 3125°F10°F63%43%12 h 40 min
Normal high
21°FMarch average
Normal low
5°FMarch average
Precipitation
6.72 inmonth total
Days with precipitation
200.01 inch or more
Snowfall
46.2 inmonth total
Nights at 32°F or colder
31
Daylight
11 h 10 min to 12 h 40 minMarch 1 to March 31
Sunshine
65%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014755; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Mount Washington in March?

On a given March day the chance of 0.01 inch or more is 64% on average, highest around March 1 (65%). In all, 6.72 in falls on 20 days of a normal March, 1 of them with an inch or more.

In a normal March in Mount Washington, 31 nights fall to freezing, 25 days stay below freezing all day and snowfall averages 46.2 inches.

Snow falls on 18 days in a normal March, and an inch or more covers the ground on 31 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014755.

What are the records for March in Mount Washington?

The warmest March temperature on this station's record (since 1948) is 55°F, on March 31, 1998; the coldest is −38°F, on March 3, 1950. The wettest March brought 15.98 in (1977); the snowiest, 98.0 inches (1970).

The March mean against the 1991-2020 normal of 12.9°F: 2021 14.3°F (+1.4), 2022 14.2°F (+1.3), 2023 14.0°F (+1.1), 2024 19.6°F (+6.7). 4 of 4 ran warmer than normal.

Mount Washington: March in recent years against the 1991-2020 normal
MarchMeanAgainst normalPrecip.
202114.3°F+1.4°F3.44 in
202214.2°F+1.3°F6.59 in
202314.0°F+1.1°F4.99 in
202419.6°F+6.7°F11.92 in

Source: records: ACIS, station USW00014755; recent months: ACIS, station USW00014755. Records and recent months use complete months only.

How does March in Mount Washington compare across New Hampshire?

Across the 28 places PlainClimate covers in New Hampshire, March normal highs run from 36°F in Colebrook to 46°F in Manchester; Mount Washington's is 21°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places