Climate Comfort Score
44/100
Moderate
NOAA 1991–2020 normals 47°F annual avg Public-domain federal data
Big Timber, MT Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 47°F
- Avg annual temp
- 44/100
- Comfort score
- 16.9"
- Annual precip
- 135d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Big Timber
Big Timber, Montana averages 47°F a year and scores 44/100 on the comfort index - moderate, milder than 8% of U.S. cities.
- 47°F
- annual average temperature (NOAA normal)
- 44/100
- comfort score, milder than 8% of U.S. cities
- 16.9"
- annual precipitation · 55" snow
- 135 days
- frost-free days per growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
47°F (8°C)
Avg High
60°F
Avg Low
35°F
Annual Precip
16.9"
Annual Snow
54.6"
Comfort Score
44/100
Moderate
Avg Annual Temperature
47°F
30-year mean (NOAA NCEI)
Annual Precipitation
16.9"
Plus 54.6" of snow
Comfort score vs national 100-point ceiling (Big Timber) 44.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Big Timber area.
How Big Timber compares to every U.S. city
Big Timber's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
44 Top 92% higher than 8% 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 Big Timber
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Big Timber captures average conditions across the spread shown, the most recent decade is 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 | 38°F (3°C) | 20°F (-7°C) | 29°F (-2°C) | 0.7" | 7.1" | 24.8 | 0.0 |
| February | 40°F (4°C) | 20°F (-7°C) | 30°F (-1°C) | 0.7" | 10.8" | 23.3 | 0.0 |
| March | 49°F (10°C) | 26°F (-3°C) | 38°F (3°C) | 1.0" | 9.1" | 22.8 | 0.0 |
| April | 57°F (14°C) | 32°F (0°C) | 45°F (7°C) | 2.2" | 3.6" | 15.7 | 0.0 |
| May | 67°F (19°C) | 40°F (5°C) | 53°F (12°C) | 3.1" | 0.6" | 4.2 | 0.2 |
| June | 76°F (24°C) | 48°F (9°C) | 62°F (17°C) | 2.6" | 0.0" | 0.0 | 2.4 |
| July | 86°F (30°C) | 54°F (12°C) | 70°F (21°C) | 1.4" | 0.0" | 0.0 | 12.1 |
| August | 85°F (29°C) | 51°F (11°C) | 68°F (20°C) | 1.0" | 0.0" | 0.1 | 9.9 |
| September | 74°F (23°C) | 43°F (6°C) | 59°F (15°C) | 1.3" | 0.5" | 2.1 | 2.0 |
| October | 59°F (15°C) | 34°F (1°C) | 47°F (8°C) | 1.5" | 4.8" | 12.8 | 0.0 |
| November | 46°F (8°C) | 26°F (-3°C) | 36°F (2°C) | 0.8" | 7.9" | 21.1 | 0.0 |
| December | 37°F (3°C) | 20°F (-7°C) | 28°F (-2°C) | 0.7" | 10.2" | 25.9 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 0.7"
Snow: 7.1"
4.7 days with precipitation
February 0.7"
Snow: 10.8"
4.4 days with precipitation
March 1.0"
Snow: 9.1"
6.1 days with precipitation
April 2.2"
Snow: 3.6"
8.6 days with precipitation
May 3.1"
Snow: 0.6"
11.4 days with precipitation
June 2.6"
10.6 days with precipitation
July 1.4"
7.5 days with precipitation
August 1.0"
5.4 days with precipitation
September 1.3"
Snow: 0.5"
6.3 days with precipitation
October 1.5"
Snow: 4.8"
7.2 days with precipitation
November 0.8"
Snow: 7.9"
4.9 days with precipitation
December 0.7"
Snow: 10.2"
4.4 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
September 26
50% probability date
Last Spring Freeze
May 14
50% probability date
Growing Season
135 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
6,910
Higher = more heating needed
Cooling Degree Days
374
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Big Timber's climate means for you
Big Timber runs 47°F a year - peaking in July, coldest in December.
- Gardeners get about 135 frost-free days, with the last spring freeze near May 14 - plan the planting calendar around it, not the regional average.
- Energy bills track 6,910 heating and 374 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: Big Timber, MT
An annual average temperature of 47°F, ranging from a mean daily high of 60°F to a mean daily low of 35°F is what the NOAA 1991–2020 climate normals report for Big Timber, Montana. July is typically the warmest month of the year, while December is the coldest. That baseline comes from station USC00240780 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.
Big Timber averages 16.9 inches of precipitation a year, with 54.6 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 135 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 14 and the first fall freeze near September 26. As for energy demand, 6,910 heating degree days and 374 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Big Timber scores 44/100 (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 Big Timber, MT? ▼
The average annual temperature in Big Timber, Montana is 47°F. The warmest month averages 86°F (30°C) and the coldest averages 20°F (-7°C).
How much rain does Big Timber get? ▼
Big Timber receives 16.9 inches of precipitation annually, including 54.6 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Big Timber? ▼
Big Timber has a climate comfort score of 44/100 (Moderate), milder than 8% of U.S. cities in the PlainClimate database.
When is the growing season in Big Timber? ▼
Big Timber has approximately 135 frost-free days per year, with the last spring freeze around May 14 and the first fall freeze around September 26.
How much energy does heating and cooling require in Big Timber? ▼
Big Timber has 6,910 heating degree days and 374 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 Big Timber climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00240780 near Big Timber.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00240780. 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.