Climate Comfort Score
39/100
Below Average
NOAA 1991–2020 normals 44°F annual avg 2 stations
Choteau, MT Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 44°F
- Avg annual temp
- 39/100
- Comfort score
- 11.9"
- Annual precip
- 107d
- Growing season
30-year climate normals from 2 weather stations (1991-2020).
The climate verdict for Choteau
Choteau, Montana averages 44°F a year and scores 39/100 on the comfort index - below average, milder than 4% of U.S. cities.
- 44°F
- yearly average temperature, NOAA normal
- 39/100
- comfort score, milder than 4% of U.S. cities
- 11.9"
- annual precipitation · 48" snow
- 107 days
- growing season, frost-free days
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
44°F (7°C)
Avg High
58°F
Avg Low
30°F
Annual Precip
11.9"
Annual Snow
47.5"
Comfort Score
39/100
Below Average
Avg Annual Temperature
44°F
30-year mean (NOAA NCEI)
Annual Precipitation
11.9"
Plus 47.5" of snow
Comfort score vs national 100-point ceiling (Choteau) 39.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Below Average for the Choteau area.
How Choteau compares to every U.S. city
Choteau's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
39 Top 96% higher than 4% 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 Choteau
MethodologyThe chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Choteau, 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 | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 37°F (3°C) | 13°F (-10°C) | 25°F (-4°C) | 0.3" | 6.4" | 27.2 | 0.0 |
| February | 39°F (4°C) | 14°F (-10°C) | 27°F (-3°C) | 0.4" | 7.6" | 24.9 | 0.0 |
| March | 47°F (8°C) | 21°F (-6°C) | 34°F (1°C) | 0.5" | 8.1" | 25.6 | 0.0 |
| April | 56°F (13°C) | 29°F (-2°C) | 42°F (6°C) | 1.1" | 6.6" | 19.0 | 0.0 |
| May | 65°F (18°C) | 37°F (3°C) | 51°F (11°C) | 2.1" | 1.4" | 7.5 | 0.0 |
| June | 72°F (22°C) | 44°F (7°C) | 58°F (15°C) | 2.8" | 0.0" | 0.6 | 0.3 |
| July | 82°F (28°C) | 48°F (9°C) | 65°F (18°C) | 1.0" | 0.0" | 0.0 | 4.9 |
| August | 81°F (27°C) | 47°F (8°C) | 64°F (18°C) | 1.1" | 0.0" | 0.2 | 3.2 |
| September | 72°F (22°C) | 40°F (4°C) | 56°F (13°C) | 1.2" | 0.9" | 4.0 | 0.4 |
| October | 58°F (14°C) | 31°F (-1°C) | 44°F (7°C) | 0.7" | 4.2" | 16.8 | 0.0 |
| November | 45°F (7°C) | 22°F (-6°C) | 33°F (1°C) | 0.4" | 6.9" | 23.6 | 0.0 |
| December | 37°F (3°C) | 15°F (-10°C) | 26°F (-3°C) | 0.3" | 5.4" | 27.7 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 0.3"
Snow: 6.4"
4.7 days with precipitation
February 0.4"
Snow: 7.6"
6.2 days with precipitation
March 0.5"
Snow: 8.1"
5.9 days with precipitation
April 1.1"
Snow: 6.6"
7.6 days with precipitation
May 2.1"
Snow: 1.4"
8.9 days with precipitation
June 2.8"
10.8 days with precipitation
July 1.0"
6.0 days with precipitation
August 1.1"
7.0 days with precipitation
September 1.2"
Snow: 0.9"
6.0 days with precipitation
October 0.7"
Snow: 4.2"
6.1 days with precipitation
November 0.4"
Snow: 6.9"
5.2 days with precipitation
December 0.3"
Snow: 5.4"
4.8 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
September 12
50% probability date
Last Spring Freeze
May 28
50% probability date
Growing Season
107 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
7,845
Higher = more heating needed
Cooling Degree Days
155
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Choteau's climate means for you
Choteau runs 44°F a year - peaking in July, coldest in January.
- Gardeners get about 107 frost-free days, with the last spring freeze near May 28 - plan the planting calendar around it, not the regional average.
- Energy bills track 7,845 heating and 155 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: Choteau, MT
Choteau, Montana runs an annual average of 44°F, ranging from a mean daily high of 58°F to a mean daily low of 30°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from 2 weather stations, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Choteau receives roughly 11.9 inches of precipitation each year, with 47.5 inches typically falling as snow. The frost-free season averages 107 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 28 and the first fall freeze near September 12. For energy use, 7,845 heating degree days and 155 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Choteau scores 39/100 (Below Average), 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 January-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 Choteau, MT? ▼
The average annual temperature in Choteau, Montana is 44°F. The warmest month averages 82°F (28°C) and the coldest averages 13°F (-10°C).
How much rain does Choteau get? ▼
Choteau receives 11.9 inches of precipitation annually, including 47.5 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Choteau? ▼
Choteau has a climate comfort score of 39/100 (Below Average), milder than 4% of U.S. cities in the PlainClimate database.
When is the growing season in Choteau? ▼
Choteau has approximately 107 frost-free days per year, with the last spring freeze around May 28 and the first fall freeze around September 12.
How much energy does heating and cooling require in Choteau? ▼
Choteau has 7,845 heating degree days and 155 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 Choteau climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from 2 weather stations near Choteau.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00241737. 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.