Climate Comfort Score
54/100
Moderate
NOAA 1991–2020 normals 45°F annual avg Public-domain federal data
Augusta, MT Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 45°F
- Avg annual temp
- 54/100
- Comfort score
- 15.5"
- Annual precip
- 125d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Augusta
Augusta, Montana averages 45°F a year and scores 54/100 on the comfort index - moderate, milder than 27% of U.S. cities.
- 45°F
- annual average temperature (NOAA normal)
- 54/100
- comfort score, milder than 27% of U.S. cities
- 15.5"
- annual precipitation
- 125 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
45°F (7°C)
Avg High
58°F
Avg Low
33°F
Annual Precip
15.5"
Comfort Score
54/100
Moderate
Avg Annual Temperature
45°F
30-year mean (NOAA NCEI)
Annual Precipitation
15.5"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Augusta) 54.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Augusta area.
How Augusta compares to every U.S. city
Augusta's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
54 Top 73% higher than 27% 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 Augusta
MethodologyAugusta'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.
- 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 | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 39°F (4°C) | 17°F (-8°C) | 28°F (-2°C) | 0.5" | 26.2 | 0.0 |
| February | 40°F (4°C) | 16°F (-9°C) | 28°F (-2°C) | 0.7" | 24.5 | 0.0 |
| March | 47°F (8°C) | 24°F (-5°C) | 35°F (2°C) | 0.7" | 24.8 | 0.0 |
| April | 55°F (13°C) | 31°F (0°C) | 43°F (6°C) | 1.6" | 19.3 | 0.0 |
| May | 65°F (18°C) | 39°F (4°C) | 52°F (11°C) | 2.7" | 8.6 | 0.1 |
| June | 72°F (22°C) | 47°F (8°C) | 59°F (15°C) | 3.0" | 0.8 | 0.5 |
| July | 82°F (28°C) | 51°F (11°C) | 67°F (19°C) | 1.2" | 0.0 | 7.8 |
| August | 82°F (28°C) | 50°F (10°C) | 66°F (19°C) | 1.2" | 0.3 | 6.6 |
| September | 73°F (23°C) | 42°F (6°C) | 57°F (14°C) | 1.4" | 5.1 | 1.7 |
| October | 59°F (15°C) | 34°F (1°C) | 46°F (8°C) | 1.4" | 16.8 | 0.1 |
| November | 45°F (7°C) | 26°F (-4°C) | 35°F (2°C) | 0.7" | 22.7 | 0.0 |
| December | 38°F (4°C) | 18°F (-8°C) | 28°F (-2°C) | 0.5" | 27.3 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 0.5"
February 0.7"
March 0.7"
April 1.6"
May 2.7"
June 3.0"
July 1.2"
August 1.2"
September 1.4"
October 1.4"
November 0.7"
December 0.5"
Frost Dates & Growing Season
First Fall Freeze
September 21
50% probability date
Last Spring Freeze
May 19
50% probability date
Growing Season
125 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
7,358
Higher = more heating needed
Cooling Degree Days
252
Higher = more cooling needed
Warmest Month
July
Coldest Month
February
What Augusta's climate means for you
Augusta runs 45°F a year - peaking in July, coldest in February.
- Gardeners get about 125 frost-free days, with the last spring freeze near May 19 - plan the planting calendar around it, not the regional average.
- Energy bills track 7,358 heating and 252 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: Augusta, MT
Augusta, Montana runs an annual average of 45°F, ranging from a mean daily high of 58°F to a mean daily low of 33°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while February is the coldest. Drawn from station USC00240364, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Augusta averages 15.5 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 125 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 19 and the first fall freeze near September 21. As for energy demand, 7,358 heating degree days and 252 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Augusta scores 54/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings February-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Augusta, MT? ▼
The average annual temperature in Augusta, Montana is 45°F. The warmest month averages 82°F (28°C) and the coldest averages 16°F (-9°C).
How much rain does Augusta get? ▼
Augusta receives 15.5 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Augusta? ▼
Augusta has a climate comfort score of 54/100 (Moderate), milder than 27% of U.S. cities in the PlainClimate database.
When is the growing season in Augusta? ▼
Augusta has approximately 125 frost-free days per year, with the last spring freeze around May 19 and the first fall freeze around September 21.
How much energy does heating and cooling require in Augusta? ▼
Augusta has 7,358 heating degree days and 252 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 Augusta climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00240364 near Augusta.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00240364. 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.