Climate Comfort Score
27/100
Below Average
NOAA 1991–2020 normals 28°F annual avg Public-domain federal data
MT Washington, NH Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 28°F
- Avg annual temp
- 27/100
- Comfort score
- 91.2"
- Annual precip
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for MT Washington
MT Washington, New Hampshire averages 28°F a year and scores 27/100 on the comfort index - below average, milder than 0% of U.S. cities.
- 28°F
- average temperature, NOAA 1991-2020 normal
- 27/100
- comfort score, milder than 0% of U.S. cities
- 91.2"
- annual precipitation · 282" snow
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
28°F (-2°C)
Avg High
35°F
Avg Low
21°F
Annual Precip
91.2"
Annual Snow
281.8"
Comfort Score
27/100
Below Average
Avg Annual Temperature
28°F
30-year mean (NOAA NCEI)
Annual Precipitation
91.2"
Plus 281.8" of snow
Comfort score vs national 100-point ceiling (MT Washington) 27.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Below Average for the MT Washington area.
How MT Washington compares to every U.S. city
MT Washington's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
27 Top 100% higher than 0% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for MT Washington
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. MT Washington's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs warmer than the 30-year mean.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 15°F (-9°C) | -3°F (-20°C) | 6°F (-15°C) | 5.7" | 41.4" | 30.6 | 0.0 |
| February | 15°F (-10°C) | -3°F (-19°C) | 6°F (-14°C) | 5.5" | 43.3" | 28.0 | 0.0 |
| March | 21°F (-6°C) | 5°F (-15°C) | 13°F (-11°C) | 6.7" | 46.2" | 30.5 | 0.0 |
| April | 31°F (-1°C) | 17°F (-8°C) | 24°F (-5°C) | 7.3" | 33.1" | 27.9 | 0.0 |
| May | 43°F (6°C) | 30°F (-1°C) | 36°F (2°C) | 7.7" | 12.9" | 18.6 | 0.0 |
| June | 51°F (11°C) | 40°F (4°C) | 46°F (8°C) | 8.6" | 1.3" | 5.2 | 0.0 |
| July | 55°F (13°C) | 45°F (7°C) | 50°F (10°C) | 8.9" | 0.0" | 0.8 | 0.0 |
| August | 54°F (12°C) | 43°F (6°C) | 49°F (9°C) | 7.7" | 0.1" | 1.6 | 0.0 |
| September | 49°F (10°C) | 37°F (3°C) | 43°F (6°C) | 7.7" | 1.2" | 8.6 | 0.0 |
| October | 38°F (3°C) | 25°F (-4°C) | 31°F (0°C) | 10.0" | 19.0" | 22.6 | 0.0 |
| November | 28°F (-2°C) | 13°F (-10°C) | 21°F (-6°C) | 8.1" | 35.6" | 27.9 | 0.0 |
| December | 20°F (-7°C) | 4°F (-16°C) | 12°F (-11°C) | 7.3" | 47.7" | 30.8 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 5.7"
Snow: 41.4"
20.0 days with precipitation
February 5.5"
Snow: 43.3"
18.3 days with precipitation
March 6.7"
Snow: 46.2"
19.7 days with precipitation
April 7.3"
Snow: 33.1"
18.3 days with precipitation
May 7.7"
Snow: 12.9"
17.4 days with precipitation
June 8.6"
Snow: 1.3"
17.6 days with precipitation
July 8.9"
17.5 days with precipitation
August 7.7"
Snow: 0.1"
15.5 days with precipitation
September 7.7"
Snow: 1.2"
13.7 days with precipitation
October 10.0"
Snow: 19.0"
18.1 days with precipitation
November 8.1"
Snow: 35.6"
19.2 days with precipitation
December 7.3"
Snow: 47.7"
21.0 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
N/A
50% probability date
Last Spring Freeze
N/A
50% probability date
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
13,469
Higher = more heating needed
Cooling Degree Days
0
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What MT Washington's climate means for you
MT Washington runs 28°F a year - peaking in July, coldest in January.
- Energy bills track 13,469 heating and 0 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: MT Washington, NH
An annual average temperature of 28°F, ranging from a mean daily high of 35°F to a mean daily low of 21°F is what the NOAA 1991–2020 climate normals report for MT Washington, New Hampshire. July is typically the warmest month of the year, while January is the coldest. That baseline comes from station USW00014755 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.
Anyone planning to live, garden, or travel in MT Washington should weigh precipitation alongside temperature: the annual average runs 91.2 inches, with 281.8 inches typically falling as snow. Growing-season length varies with elevation and microclimate. And on the energy front, 13,469 heating degree days and 0 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, MT Washington scores 27/100 (Below Average), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in MT Washington, NH? ▼
The average annual temperature in MT Washington, New Hampshire is 28°F. The warmest month averages 55°F (13°C) and the coldest averages -3°F (-20°C).
How much rain does MT Washington get? ▼
MT Washington receives 91.2 inches of precipitation annually, including 281.8 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for MT Washington? ▼
MT Washington has a climate comfort score of 27/100 (Below Average), milder than 0% of U.S. cities in the PlainClimate database.
When is the growing season in MT Washington? ▼
Growing season data is not available for MT Washington.
How much energy does heating and cooling require in MT Washington? ▼
MT Washington has 13,469 heating degree days and 0 cooling degree days annually, a heating-dominated climate. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this MT Washington climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00014755 near MT Washington.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00014755. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.