PlainClimate
NOAA 1991–2020 normals 45°F annual avg Public-domain federal data

FT Benton, MT Climate

Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →

45°F
Avg annual temp
49/100
Comfort score
13.2"
Annual precip
130d
Growing season

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

The climate verdict for FT Benton

FT Benton, Montana averages 45°F a year and scores 49/100 on the comfort index - moderate, milder than 18% of U.S. cities.

45°F
average temperature, NOAA 1991-2020 normal
49/100
comfort score, milder than 18% of U.S. cities
13.2"
annual precipitation · 38" snow
130 days
frost-free growing season

Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.

Avg Temperature

45°F (7°C)

Avg High

59°F

Avg Low

31°F

Annual Precip

13.2"

Annual Snow

38.2"

Comfort Score

49/100

Moderate

Climate Comfort Score

49/100

Moderate

Avg Annual Temperature

45°F

30-year mean (NOAA NCEI)

Annual Precipitation

13.2"

Plus 38.2" of snow

Comfort score vs national 100-point ceiling (FT Benton) 49.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the FT Benton area.

How FT Benton compares to every U.S. city

FT Benton's comfort score vs. all U.S. cities

PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals

49 Top 82% higher than 18% 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 FT Benton

Methodology

FT Benton's NOAA 1991-2020 normal sits inside a longer story: U.S. land temperatures have been tracking (and drifting from) the global mean since 1900, and the chart below shows that spread, with the most recent decade running 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 35°F (1°C) 10°F (-12°C) 22°F (-5°C)
February 38°F (3°C) 13°F (-11°C) 25°F (-4°C)
March 48°F (9°C) 20°F (-6°C) 34°F (1°C)
April 59°F (15°C) 31°F (-1°C) 45°F (7°C)
May 68°F (20°C) 41°F (5°C) 54°F (12°C)
June 76°F (25°C) 49°F (9°C) 63°F (17°C)
July 86°F (30°C) 54°F (12°C) 70°F (21°C)
August 86°F (30°C) 52°F (11°C) 69°F (20°C)
September 74°F (23°C) 42°F (6°C) 58°F (15°C)
October 60°F (16°C) 31°F (-1°C) 45°F (7°C)
November 47°F (8°C) 21°F (-6°C) 34°F (1°C)
December 37°F (3°C) 13°F (-10°C) 25°F (-4°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 0.5"

Snow: 7.9"

5.4 days with precipitation

February 0.4"

Snow: 6.9"

5.7 days with precipitation

March 0.6"

Snow: 4.3"

5.8 days with precipitation

April 1.5"

Snow: 3.0"

8.4 days with precipitation

May 2.1"

Snow: 0.3"

9.8 days with precipitation

June 2.6"

11.0 days with precipitation

July 1.2"

5.7 days with precipitation

August 1.2"

6.3 days with precipitation

September 1.2"

Snow: 0.3"

6.6 days with precipitation

October 0.9"

Snow: 1.9"

7.0 days with precipitation

November 0.6"

Snow: 5.7"

5.5 days with precipitation

December 0.5"

Snow: 7.9"

5.1 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

September 22

50% probability date

Last Spring Freeze

May 15

50% probability date

Growing Season

130 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

7,545

Higher = more heating needed

Cooling Degree Days

428

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What FT Benton's climate means for you

FT Benton runs 45°F a year - peaking in July, coldest in January.

  • Gardeners get about 130 frost-free days, with the last spring freeze near May 15 - plan the planting calendar around it, not the regional average.
  • Energy bills track 7,545 heating and 428 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: FT Benton, MT

FT Benton, Montana runs an annual average of 45°F, ranging from a mean daily high of 59°F to a mean daily low of 31°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from station USC00243113, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.

FT Benton averages 13.2 inches of precipitation a year, with 38.2 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 130 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 15 and the first fall freeze near September 22. As for energy demand, 7,545 heating degree days and 428 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, FT Benton scores 49/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, July-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.

Frequently Asked Questions

What is the average temperature in FT Benton, MT?
The average annual temperature in FT Benton, Montana is 45°F. The warmest month averages 86°F (30°C) and the coldest averages 10°F (-12°C).
How much rain does FT Benton get?
FT Benton receives 13.2 inches of precipitation annually, including 38.2 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for FT Benton?
FT Benton has a climate comfort score of 49/100 (Moderate), milder than 18% of U.S. cities in the PlainClimate database.
When is the growing season in FT Benton?
FT Benton has approximately 130 frost-free days per year, with the last spring freeze around May 15 and the first fall freeze around September 22.
How much energy does heating and cooling require in FT Benton?
FT Benton has 7,545 heating degree days and 428 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 FT Benton climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00243113 near FT Benton.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00243113. 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.