Climate Mount Washington - New Hampshire
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 14 | 15 | 21 | 30 | 41 | 50 |
| Average low in ºF Av. low Lo | -4 | -2 | 5 | 17 | 30 | 40 |
| Av. precipitation in inch Av. precip. Pre. | 6.44 | 6.77 | 7.67 | 7.44 | 8.18 | 8.40 |
| Av. snowfall in inch Snowfall Sn | 44 | 40 | 45 | 36 | 12 | 1 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 54 | 53 | 47 | 36 | 28 | 18 |
| Average low in ºF Av. low Lo | 44 | 43 | 36 | 24 | 13 | 2 |
| Av. precipitation in inch Av. precip. Pre. | 8.77 | 8.32 | 8.03 | 9.27 | 9.85 | 7.73 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 2 | 18 | 38 | 46 |
What is the average weather in Mount Washington, New Hampshire?
Mount Washington experiences a tundra climate, defined by very cold winters and cool summers. The high elevation keeps temperatures noticeably lower throughout the year. This location is very wet, with precipitation spread fairly evenly, though winters bring very snowy conditions. Significant snowfall is a distinctive feature of the climate.
Mount Washington Climate Graph - New Hampshire Climate Chart
Daily normals Mount Washington - New Hampshire - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 16.8 | -0.6 | 0.21 | 0.21 | 1.50 | 1.50 |
| 2 Jan | 16.7 | -0.8 | 0.42 | 0.42 | 2.90 | 2.90 |
| 3 Jan | 16.5 | -1.0 | 0.63 | 0.63 | 4.30 | 4.30 |
| 4 Jan | 16.4 | -1.2 | 0.83 | 0.83 | 5.70 | 5.70 |
| 5 Jan | 16.2 | -1.4 | 1.03 | 1.03 | 7.10 | 7.10 |
| 6 Jan | 16.1 | -1.7 | 1.23 | 1.23 | 8.50 | 8.50 |
| 7 Jan | 15.9 | -1.9 | 1.42 | 1.42 | 9.90 | 9.90 |
| 8 Jan | 15.8 | -2.1 | 1.61 | 1.61 | 11.20 | 11.20 |
| 9 Jan | 15.6 | -2.3 | 1.80 | 1.80 | 12.60 | 12.60 |
| 10 Jan | 15.5 | -2.5 | 2.00 | 2.00 | 13.90 | 13.90 |
| 11 Jan | 15.3 | -2.6 | 2.18 | 2.18 | 15.20 | 15.20 |
| 12 Jan | 15.2 | -2.8 | 2.37 | 2.37 | 16.50 | 16.50 |
| 13 Jan | 15.1 | -3.0 | 2.56 | 2.56 | 17.90 | 17.90 |
| 14 Jan | 15.0 | -3.2 | 2.75 | 2.75 | 19.20 | 19.20 |
| 15 Jan | 14.8 | -3.3 | 2.93 | 2.93 | 20.50 | 20.50 |
| 16 Jan | 14.7 | -3.5 | 3.11 | 3.11 | 21.80 | 21.80 |
| 17 Jan | 14.6 | -3.7 | 3.29 | 3.29 | 23.10 | 23.10 |
| 18 Jan | 14.5 | -3.8 | 3.47 | 3.47 | 24.40 | 24.40 |
| 19 Jan | 14.4 | -3.9 | 3.66 | 3.66 | 25.60 | 25.60 |
| 20 Jan | 14.3 | -4.1 | 3.84 | 3.84 | 26.90 | 26.90 |
| 21 Jan | 14.2 | -4.2 | 4.02 | 4.02 | 28.20 | 28.20 |
| 22 Jan | 14.1 | -4.3 | 4.20 | 4.20 | 29.50 | 29.50 |
| 23 Jan | 14.0 | -4.4 | 4.38 | 4.38 | 30.90 | 30.90 |
| 24 Jan | 14.0 | -4.5 | 4.56 | 4.56 | 32.20 | 32.20 |
| 25 Jan | 13.9 | -4.5 | 4.74 | 4.74 | 33.50 | 33.50 |
| 26 Jan | 13.8 | -4.6 | 4.91 | 4.91 | 34.80 | 34.80 |
| 27 Jan | 13.8 | -4.7 | 5.08 | 5.08 | 36.10 | 36.10 |
| 28 Jan | 13.7 | -4.7 | 5.24 | 5.24 | 37.40 | 37.40 |
| 29 Jan | 13.7 | -4.7 | 5.40 | 5.40 | 38.70 | 38.70 |
| 30 Jan | 13.7 | -4.7 | 5.57 | 5.57 | 40.00 | 40.00 |
| 31 Jan | 13.7 | -4.7 | 5.74 | 5.74 | 41.40 | 41.40 |
Weather history Mount Washington - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 46.0 | 42.1 | 0.00 | - | - |
| 02 Sep | 52.0 | 43.0 | 0.00 | - | - |
| 03 Sep | 50.0 | 39.9 | 0.06 | 0.00 | 0.0 |
| 04 Sep | 48.9 | 46.9 | 0.40 | 0.00 | 0.0 |
| 05 Sep | 48.0 | 42.1 | 0.06 | 0.00 | 0.0 |
| 06 Sep | 45.0 | 36.0 | 0.44 | 0.00 | 0.0 |
| 07 Sep | 41.0 | 32.0 | 0.25 | 0.00 | 0.0 |
| 08 Sep | 46.9 | 39.9 | 0.07 | 0.00 | 0.0 |
| 09 Sep | 48.0 | 39.0 | 0.04 | 0.00 | 0.0 |
| 10 Sep | 55.4 | 42.8 | - | - | - |
| 11 Sep | 50.0 | 30.9 | 0.00 | 0.00 | 0.0 |
| 12 Sep | 50.0 | 30.9 | 0.00 | 0.00 | 0.0 |
| 13 Sep | 52.0 | 45.0 | 0.33 | 0.00 | 0.0 |
| 14 Sep | 53.1 | 36.0 | 0.35 | 0.00 | 0.0 |
| 15 Sep | - | - | - | - | - |
| 16 Sep | - | - | - | - | - |
| 17 Sep | 52.0 | 44.1 | 0.00 | 0.00 | 0.0 |
| 18 Sep | 51.1 | 37.9 | 0.11 | - | - |
| 19 Sep | 42.1 | 30.0 | 0.00 | 0.00 | 0.0 |
| 20 Sep | 44.1 | 34.0 | 0.00 | 0.00 | 0.0 |
| 21 Sep | 39.0 | 32.0 | 0.79 | - | - |
| 22 Sep | 39.0 | 30.0 | 0.00 | 0.00 | 0.0 |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Mount Washington
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 47.7 ºF | 14 ºF | |
| Average low temperature Av. low temp. | 37.7 ºF | -4 ºF | |
| Total precipitation Total precip. | 2.90 inch | 6.44 inch | |
| Total snowfall Total snowfall | - inch | 44 inch | |
| Highest max temperature Highest max temp. | 55.4 ºF | - | |
| Lowest max temperature Lowest max temp. | 39.0 ºF | - | |
| Highest min temperature Highest min temp. | 46.9 ºF | - | |
| Lowest min temperature Lowest min temp. | 30.0 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Mount Washington - New Hampshire
| Country | United States | |
|---|---|---|
| State | New Hampshire | |
| County | Coos | |
| City | Mount Washington | |
| Zip Code | 3846 | |
| Longitude | -71.3 dec. degr. | |
| Latitude | 44.26 dec. degr. | |
| Altitude - Elevation | 5200ft | |
| ICAO | - | |
| IATA | - |
Date and Time Mount Washington - New Hampshire
| Local Time | 09:07 AM | |
|---|---|---|
| Sunrise | 06:33 AM | |
| Sunset | 06:40 PM | |
| Day/Night | Day | |
| Timezone | Eastern Daylight Time | |
| Timezone DB | America - New York |
Map of Mount Washington - New Hampshire
USGS National Map — Open interactive map
Mount Washington weather averages
| Annual high temperature | 34ºF |
| Annual low temperature | 21ºF |
| Average annual precip. | 96.87 inch |
| Av. annual snowfall | 282 inch |
Station Data
Monthly averages Mount Washington
Longitude: -71.3, Latitude: 44.26
Average weather Mount Washington, NH - 3846
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...