Climate Comfort Score
54/100
Moderate
NOAA 1991–2020 normals 47°F annual avg Public-domain federal data
Geraldine, MT Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 47°F
- Avg annual temp
- 54/100
- Comfort score
- 16.9"
- Annual precip
- 135d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Geraldine
Geraldine, Montana averages 47°F a year and scores 54/100 on the comfort index - moderate, milder than 27% of U.S. cities.
- 47°F
- average temperature, NOAA 1991-2020 normal
- 54/100
- comfort score, milder than 27% of U.S. cities
- 16.9"
- precipitation, annual total
- 135 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
47°F (8°C)
Avg High
60°F
Avg Low
34°F
Annual Precip
16.9"
Comfort Score
54/100
Moderate
Avg Annual Temperature
47°F
30-year mean (NOAA NCEI)
Annual Precipitation
16.9"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Geraldine) 54.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Geraldine area.
How Geraldine compares to every U.S. city
Geraldine'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 Geraldine
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Geraldine's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs 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 | 37°F (3°C) | 15°F (-10°C) | 26°F (-3°C) | 0.6" | 25.6 | 0.0 |
| February | 40°F (5°C) | 16°F (-9°C) | 28°F (-2°C) | 0.6" | 23.4 | 0.0 |
| March | 50°F (10°C) | 24°F (-5°C) | 37°F (3°C) | 0.8" | 23.5 | 0.0 |
| April | 59°F (15°C) | 32°F (0°C) | 46°F (8°C) | 2.1" | 14.5 | 0.0 |
| May | 68°F (20°C) | 41°F (5°C) | 55°F (13°C) | 2.7" | 4.4 | 0.6 |
| June | 76°F (24°C) | 49°F (9°C) | 62°F (17°C) | 3.2" | 0.1 | 2.0 |
| July | 86°F (30°C) | 55°F (13°C) | 71°F (21°C) | 1.7" | 0.0 | 13.0 |
| August | 86°F (30°C) | 53°F (12°C) | 69°F (21°C) | 1.3" | 0.1 | 12.5 |
| September | 75°F (24°C) | 45°F (7°C) | 60°F (16°C) | 1.5" | 2.1 | 2.6 |
| October | 60°F (16°C) | 34°F (1°C) | 47°F (8°C) | 1.1" | 13.0 | 0.1 |
| November | 46°F (8°C) | 24°F (-5°C) | 35°F (2°C) | 0.6" | 21.9 | 0.0 |
| December | 39°F (4°C) | 16°F (-9°C) | 27°F (-3°C) | 0.6" | 26.4 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 0.6"
8.5 days with precipitation
February 0.6"
6.8 days with precipitation
March 0.8"
8.3 days with precipitation
April 2.1"
9.8 days with precipitation
May 2.7"
11.1 days with precipitation
June 3.2"
14.4 days with precipitation
July 1.7"
9.3 days with precipitation
August 1.3"
7.4 days with precipitation
September 1.5"
7.1 days with precipitation
October 1.1"
7.9 days with precipitation
November 0.6"
7.1 days with precipitation
December 0.6"
6.2 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
7,051
Higher = more heating needed
Cooling Degree Days
467
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Geraldine's climate means for you
Geraldine runs 47°F a year - peaking in July, coldest in January.
- 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 7,051 heating and 467 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: Geraldine, MT
Geraldine, Montana runs an annual average of 47°F, ranging from a mean daily high of 60°F to a mean daily low of 34°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 USC00243445, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Geraldine averages 16.9 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 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, 7,051 heating degree days and 467 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Geraldine scores 54/100 (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 January-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 Geraldine, MT? ▼
The average annual temperature in Geraldine, Montana is 47°F. The warmest month averages 86°F (30°C) and the coldest averages 15°F (-10°C).
How much rain does Geraldine get? ▼
Geraldine receives 16.9 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Geraldine? ▼
Geraldine 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 Geraldine? ▼
Geraldine 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 Geraldine? ▼
Geraldine has 7,051 heating degree days and 467 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 Geraldine climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00243445 near Geraldine.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00243445. 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.