PlainClimate
NOAA 1991–2020 normals 43°F annual avg Public-domain federal data

Bozeman Gallatin Fld, MT Climate

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

43°F
Avg annual temp
44/100
Comfort score
13.4"
Annual precip
113d
Growing season

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

The climate verdict for Bozeman Gallatin Fld

Bozeman Gallatin Fld, Montana averages 43°F a year and scores 44/100 on the comfort index - moderate, milder than 8% of U.S. cities.

43°F
average temperature, NOAA 1991-2020 normal
44/100
comfort score, milder than 8% of U.S. cities
13.4"
yearly precipitation total
113 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

43°F (6°C)

Avg High

57°F

Avg Low

29°F

Annual Precip

13.4"

Comfort Score

44/100

Moderate

Climate Comfort Score

44/100

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) 44.0%
National median (63)

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

How Bozeman Gallatin Fld compares to every U.S. city

Bozeman Gallatin Fld'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

0–10: 0 US cities (0%). Below this entry. 10–20: 0 US cities (0%). Below this entry. 20–30: 58 US cities (1%). Below this entry. 30–40: 439 US cities (6%). Below this entry. 40–50: 1,302 US cities (19%). This entry sits in this band. 50–60: 1,433 US cities (21%). Above this entry. 60–70: 1,357 US cities (20%). Above this entry. 70–80: 1,102 US cities (16%). Above this entry. 80–90: 778 US cities (11%). Above this entry. 90–100: 420 US cities (6%). Above this entry. This city 0 100 every U.S. city, bucketed by value

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 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

Growing Season

113 days

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

What Bozeman Gallatin Fld's climate means for you

Bozeman Gallatin Fld runs 43°F a year - peaking in July, coldest in December.

  • Gardeners get about 113 frost-free days, with the last spring freeze near May 26 - plan the planting calendar around it, not the regional average.
  • Energy bills track 8,245 heating and 232 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: Bozeman Gallatin Fld, MT

Based on station USW00024132 feeding NOAA's 1991–2020 climate normals, Bozeman Gallatin Fld, Montana averages 43°F a year, 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. Because these figures are thirty-year averages rather than any single year's readings, they describe the typical month, not a forecast for it.

Anyone planning to live, garden, or travel in Bozeman Gallatin Fld should weigh precipitation alongside temperature: the annual average runs 13.4 inches, predominantly as rainfall. The frost-free season averages 113 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 26 and the first fall freeze near September 16. And on the energy front, 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 44/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and December-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.

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 44/100 (Moderate), milder than 8% of U.S. cities in the PlainClimate database.
When is the growing season in Bozeman Gallatin Fld?
Bozeman Gallatin Fld has approximately 113 frost-free days per year, with the last spring freeze around May 26 and the first fall freeze around September 16.
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, 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 Bozeman Gallatin Fld climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00024132 near Bozeman Gallatin Fld.

Data Sources

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

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.