PlainClimate
NOAA 1991–2020 normals 55°F annual avg Public-domain federal data

Mtn Grove, MO Climate

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

55°F
Avg annual temp
78/100
Comfort score
45.9"
Annual precip
200d
Growing season

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

The climate verdict for Mtn Grove

Mtn Grove, Missouri averages 55°F a year and scores 78/100 on the comfort index - good, milder than 74% of U.S. cities.

55°F
average temperature, NOAA 1991-2020 normal
78/100
comfort score, milder than 74% of U.S. cities
45.9"
annual precipitation · 10" snow
200 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

55°F (13°C)

Avg High

66°F

Avg Low

45°F

Annual Precip

45.9"

Annual Snow

10.4"

Comfort Score

78/100

Good

Climate Comfort Score

78/100

Good

Avg Annual Temperature

55°F

30-year mean (NOAA NCEI)

Annual Precipitation

45.9"

Plus 10.4" of snow

Comfort score vs national 100-point ceiling (Mtn Grove) 78.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Mtn Grove area.

How Mtn Grove compares to every U.S. city

Mtn Grove's comfort score vs. all U.S. cities

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

78 Top 26% higher than 74% 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%). Below this entry. 50–60: 1,433 US cities (21%). Below this entry. 60–70: 1,357 US cities (20%). Below this entry. 70–80: 1,102 US cities (16%). This entry sits in this band. 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 Mtn Grove

Methodology

Mtn Grove'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 41°F (5°C) 22°F (-5°C) 32°F (0°C)
February 47°F (8°C) 26°F (-3°C) 36°F (2°C)
March 56°F (13°C) 34°F (1°C) 45°F (7°C)
April 66°F (19°C) 44°F (7°C) 55°F (13°C)
May 74°F (24°C) 53°F (12°C) 64°F (18°C)
June 82°F (28°C) 62°F (17°C) 72°F (22°C)
July 87°F (31°C) 67°F (19°C) 77°F (25°C)
August 87°F (30°C) 65°F (18°C) 76°F (24°C)
September 79°F (26°C) 57°F (14°C) 68°F (20°C)
October 68°F (20°C) 46°F (8°C) 57°F (14°C)
November 55°F (13°C) 35°F (2°C) 45°F (7°C)
December 45°F (7°C) 27°F (-3°C) 36°F (2°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 2.8"

Snow: 3.7"

7.0 days with precipitation

February 2.7"

Snow: 2.3"

7.1 days with precipitation

March 4.1"

Snow: 1.8"

9.2 days with precipitation

April 5.0"

9.4 days with precipitation

May 5.4"

10.5 days with precipitation

June 3.9"

8.4 days with precipitation

July 4.5"

8.1 days with precipitation

August 3.4"

7.0 days with precipitation

September 4.0"

6.3 days with precipitation

October 3.3"

7.1 days with precipitation

November 3.9"

Snow: 0.2"

7.5 days with precipitation

December 2.7"

Snow: 2.4"

6.6 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

October 28

50% probability date

Last Spring Freeze

April 11

50% probability date

Growing Season

200 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

4,738

Higher = more heating needed

Cooling Degree Days

1,216

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Mtn Grove's climate means for you

Mtn Grove runs 55°F a year - peaking in July, coldest in January.

  • Gardeners get about 200 frost-free days, with the last spring freeze near April 11 - plan the planting calendar around it, not the regional average.
  • Energy bills track 4,738 heating and 1,216 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: Mtn Grove, MO

The NOAA 1991–2020 climate normals describe Mtn Grove, Missouri as a location with an annual average temperature of 55°F, ranging from a mean daily high of 66°F to a mean daily low of 45°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00235834, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Mtn Grove sees about 45.9 inches of precipitation a year, with 10.4 inches typically falling as snow. The frost-free season averages 200 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 11 and the first fall freeze near October 28. On the energy side, 4,738 heating degree days and 1,216 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Mtn Grove scores 78/100 (Good), 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 January-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 Mtn Grove, MO?
The average annual temperature in Mtn Grove, Missouri is 55°F. The warmest month averages 87°F (31°C) and the coldest averages 22°F (-5°C).
How much rain does Mtn Grove get?
Mtn Grove receives 45.9 inches of precipitation annually, including 10.4 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Mtn Grove?
Mtn Grove has a climate comfort score of 78/100 (Good), milder than 74% of U.S. cities in the PlainClimate database.
When is the growing season in Mtn Grove?
Mtn Grove has approximately 200 frost-free days per year, with the last spring freeze around April 11 and the first fall freeze around October 28.
How much energy does heating and cooling require in Mtn Grove?
Mtn Grove has 4,738 heating degree days and 1,216 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 Mtn Grove climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00235834 near Mtn Grove.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00235834. 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.