Climate Comfort Score
47/100
Moderate
NOAA 1991–2020 normals 40°F annual avg Public-domain federal data
Deer Lodge, MT Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 40°F
- Avg annual temp
- 47/100
- Comfort score
- 14.6"
- Annual precip
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Deer Lodge
Deer Lodge, Montana averages 40°F a year and scores 47/100 on the comfort index - moderate, milder than 17% of U.S. cities.
- 40°F
- average temperature, NOAA 1991-2020 normal
- 47/100
- comfort score, milder than 17% of U.S. cities
- 14.6"
- annual precipitation
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
40°F (5°C)
Avg High
54°F
Avg Low
26°F
Annual Precip
14.6"
Comfort Score
47/100
Moderate
Avg Annual Temperature
40°F
30-year mean (NOAA NCEI)
Annual Precipitation
14.6"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Deer Lodge) 47.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Deer Lodge area.
How Deer Lodge compares to every U.S. city
Deer Lodge's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
47 Top 83% higher than 17% 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 Deer Lodge
MethodologyThe chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Deer Lodge, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.
- 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 | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 33°F (1°C) | 11°F (-12°C) | 22°F (-6°C) | 0.5" | 30.4 | 0.0 |
| February | 36°F (2°C) | 13°F (-10°C) | 25°F (-4°C) | 0.7" | 27.6 | 0.0 |
| March | 44°F (7°C) | 19°F (-7°C) | 32°F (0°C) | 1.3" | 29.2 | 0.0 |
| April | 53°F (12°C) | 26°F (-3°C) | 39°F (4°C) | 1.1" | 25.0 | 0.0 |
| May | 62°F (17°C) | 34°F (1°C) | 48°F (9°C) | 2.2" | 14.1 | 0.1 |
| June | 69°F (20°C) | 40°F (4°C) | 54°F (12°C) | 2.7" | 5.4 | 0.8 |
| July | 79°F (26°C) | 44°F (7°C) | 62°F (16°C) | 1.5" | 0.6 | 4.2 |
| August | 79°F (26°C) | 42°F (6°C) | 61°F (16°C) | 1.3" | 2.3 | 3.4 |
| September | 70°F (21°C) | 35°F (1°C) | 52°F (11°C) | 1.4" | 13.0 | 0.7 |
| October | 55°F (13°C) | 26°F (-3°C) | 41°F (5°C) | 1.0" | 24.7 | 0.0 |
| November | 40°F (5°C) | 16°F (-9°C) | 28°F (-2°C) | 0.5" | 28.1 | 0.0 |
| December | 31°F (0°C) | 11°F (-12°C) | 21°F (-6°C) | 0.5" | 30.3 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 0.5"
February 0.7"
March 1.3"
April 1.1"
May 2.2"
June 2.7"
July 1.5"
August 1.3"
September 1.4"
October 1.0"
November 0.5"
December 0.5"
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
9,032
Higher = more heating needed
Cooling Degree Days
65
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Deer Lodge's climate means for you
Deer Lodge runs 40°F a year - peaking in July, coldest in December.
- Energy bills track 9,032 heating and 65 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: Deer Lodge, MT
Deer Lodge, Montana runs an annual average of 40°F, ranging from a mean daily high of 54°F to a mean daily low of 26°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while December is the coldest. Drawn from station USC00242275, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Deer Lodge sees about 14.6 inches of precipitation a year, predominantly as rainfall. Growing-season length varies with elevation and microclimate. On the energy side, 9,032 heating degree days and 65 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Deer Lodge scores 47/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings July-driven heat, and winter brings December-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.
Frequently Asked Questions
What is the average temperature in Deer Lodge, MT? ▼
The average annual temperature in Deer Lodge, Montana is 40°F. The warmest month averages 79°F (26°C) and the coldest averages 11°F (-12°C).
How much rain does Deer Lodge get? ▼
Deer Lodge receives 14.6 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Deer Lodge? ▼
Deer Lodge has a climate comfort score of 47/100 (Moderate), milder than 17% of U.S. cities in the PlainClimate database.
When is the growing season in Deer Lodge? ▼
Growing season data is not available for Deer Lodge.
How much energy does heating and cooling require in Deer Lodge? ▼
Deer Lodge has 9,032 heating degree days and 65 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 Deer Lodge climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00242275 near Deer Lodge.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00242275. 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.