PlainClimate
2026 data Public-data reference. official source

Bozeman Gallatin Fld, MT Climate

Temperature, precipitation, and comfort score from NOAA NCEI 1991-2020 normals →

30-year climate normals from 1 weather station (1991-2020).

Bozeman Gallatin Fld, Montana has an average annual temperature of 43°F and a climate comfort score of 47/100 (Moderate). Annual precipitation totals 13.4". Based on NOAA 30-year normals (1991–2020).

Avg Temperature

43°F (6°C)

Avg High

57°F

Avg Low

29°F

Annual Precip

13.4"

Comfort Score

47/100

Moderate

Climate Comfort Score

47/100

Moderate

Avg Annual Temperature

43°F

30-year mean (NOAA NCEI)

Annual Precipitation

13.4"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Bozeman Gallatin Fld) 47.0%
National median (≈55)

PlainClimate composite — temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Bozeman Gallatin Fld area.

Warming context for Bozeman Gallatin Fld

Methodology

How the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Bozeman Gallatin Fld captures average conditions across the spread shown — the most recent decade is warmer than the 30-year mean.

Warming context — U.S. vs global, with Paris reference lines Anomaly chart from 1900 to 2024. Local series shows warming of 0.11 °C per decade versus a global rate of 0.11 °C per decade (ratio 1.00). Paris Agreement thresholds at 1.5 and 2.0 °C are dashed. -1.0°C -0.5°C +0.0°C +0.5°C +1.0°C +1.5°C +2.0°C +2.5°C Paris 1.5°C Paris 2.0°C 1900192019401960198020002020
  • 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
Sources: NOAA NCEI, NASA GISTEMP. Paris thresholds per IPCC AR6 WG1.

Monthly Temperatures

Average daily high and low temperatures by month

Month Avg High Avg Low Mean
January 32°F (0°C) 10°F (-12°C) 21°F (-6°C)
February 36°F (2°C) 13°F (-11°C) 24°F (-4°C)
March 46°F (8°C) 22°F (-6°C) 34°F (1°C)
April 55°F (13°C) 29°F (-2°C) 42°F (6°C)
May 65°F (18°C) 38°F (3°C) 51°F (11°C)
June 74°F (23°C) 44°F (7°C) 59°F (15°C)
July 85°F (30°C) 49°F (10°C) 67°F (20°C)
August 84°F (29°C) 47°F (9°C) 66°F (19°C)
September 73°F (23°C) 40°F (4°C) 56°F (13°C)
October 58°F (14°C) 29°F (-1°C) 43°F (6°C)
November 42°F (5°C) 18°F (-8°C) 30°F (-1°C)
December 32°F (0°C) 10°F (-12°C) 21°F (-6°C)

Monthly Precipitation

Average monthly rainfall

January 0.4"

6.6 days with precipitation

February 0.4"

6.6 days with precipitation

March 0.9"

8.5 days with precipitation

April 1.7"

12.7 days with precipitation

May 2.1"

13.1 days with precipitation

June 2.5"

12.9 days with precipitation

July 1.1"

8.3 days with precipitation

August 0.9"

7.5 days with precipitation

September 1.0"

7.3 days with precipitation

October 1.1"

9.0 days with precipitation

November 0.7"

7.9 days with precipitation

December 0.4"

6.8 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

September 16

50% probability date

Last Spring Freeze

May 26

50% probability date

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

8,245

Higher = more heating needed

Cooling Degree Days

232

Higher = more cooling needed

Warmest Month

July

Coldest Month

December

Humidity & Wind

Monthly averages from hourly observations

Month Humidity Wind (mph)
January 70% 5.0
February 67% 5.5
March 61% 6.6
April 56% 7.0
May 62% 6.2
June 55% 6.0
July 49% 6.1
August 48% 5.9
September 56% 5.5
October 65% 5.2
November 72% 4.7
December 74% 4.6

Related Data

Climate Guides

Climate Insight: Bozeman Gallatin Fld, MT

The NOAA 1991–2020 climate normals describe Bozeman Gallatin Fld, Montana as a location with an annual average temperature of 43°F, ranging from a mean daily high of 57°F to a mean daily low of 29°F. July is typically the warmest month of the year, while December is the coldest. These thirty-year averages, computed from station USW00024132, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Bozeman Gallatin Fld receives roughly 13.4 inches of precipitation each year, predominantly as rainfall. Growing-season length varies with elevation and microclimate, with the last spring freeze near May 26 and the first fall freeze near September 16. For energy use, 8,245 heating degree days and 232 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Bozeman Gallatin Fld scores 47/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows — shoulder seasons for mild highs and lows, peak summer for July-driven heat, or deep winter for December-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.

Frequently Asked Questions

What is the average temperature in Bozeman Gallatin Fld, MT?
The average annual temperature in Bozeman Gallatin Fld, Montana is 43°F. The warmest month averages 85°F (30°C) and the coldest averages 10°F (-12°C).
How much rain does Bozeman Gallatin Fld get?
Bozeman Gallatin Fld receives 13.4 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Bozeman Gallatin Fld?
Bozeman Gallatin Fld has a climate comfort score of 47/100 (Moderate). This score considers temperature mildness, humidity, precipitation, and extreme weather frequency.
When is the growing season in Bozeman Gallatin Fld?
Growing season data is not available for Bozeman Gallatin Fld.
How much energy does heating and cooling require in Bozeman Gallatin Fld?
Bozeman Gallatin Fld has 8,245 heating degree days and 232 cooling degree days annually. Higher heating degree days indicate greater winter energy demand, while higher cooling degree days indicate greater summer cooling needs.
Where does this Bozeman Gallatin Fld climate data come from?
All climate data comes from NOAA U.S. Climate Normals v1.0.1, covering the 30-year period from 1991 to 2020. Data is collected from weather station USW00024132. These 30-year averages are the standard reference for typical weather conditions.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00024132. For informational purposes only.

Related

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial