Grovespring, Missouri climate: Normal weather by month, frost dates and records

Grovespring's normal year runs from 21°F January nights to 88°F July afternoons, with 44.3 inches of precipitation a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 12.9°C, January lows of −6°C, July highs of 31°C, 1,125 mm of precipitation a year.

  • NOAA stationGrovespring (1 mi NE)
  • Station IDUSC00233483
  • Location37.41°N 92.59°W
  • Elevation1,388 ft (423 m)
  • Population (census place)24

On October 23, the normal high in Grovespring is 67°F and the normal low 42°F, and the chance of measurable rain or snow is 29%.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Grovespring.

  1. Jan 43° 21°
  2. Feb 47° 25°
  3. Mar 57° 33°
  4. Apr 68° 43°
  5. May 75° 53°
  6. Jun 83° 62°
  7. Jul 88° 66°
  8. Aug 87° 64°
  9. Sep 80° 56°
  10. Oct 69° 44°
  11. Nov 56° 35°
  12. Dec 46° 26°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

What is the weather like in Grovespring each month?

July is the warmest month, with normal highs of 88°F; January the coldest, with normal lows of 21°F. The most precipitation falls in May (5.38 in), the least in February (2.26 in).

Grovespring monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.Wet days90°F daysFreezing nightsDaylight
January 43°F21°F32.0°F 2.37 7<1259 h 50 min
February 47°F25°F36.1°F 2.26 6<12010 h 50 min
March 57°F33°F44.9°F 4.06 9<11311 h 50 min
April 68°F43°F55.6°F 4.72 10<1313 h 10 min
May 75°F53°F64.0°F 5.38 11<1<114 h 10 min
June 83°F62°F72.3°F 4.14 113<114 h 40 min
July 88°F66°F77.1°F 4.02 913<114 h 30 min
August 87°F64°F75.8°F 3.47 714<113 h 40 min
September 80°F56°F68.0°F 3.82 84<112 h 30 min
October 69°F44°F56.8°F 3.27 8<1311 h 20 min
November 56°F35°F45.6°F 3.81 9<11210 h 10 min
December 46°F26°F35.6°F 2.99 7<1239 h 40 min
Year (annual)67°F44°F55.3°F44.3110133100
The same normals in °C and millimetres
Grovespring monthly normals, 1991-2020 (°C, mm)
MonthHighLowMeanPrecip.
January6°C−6°C0.0°C60 mm
February8°C−4°C2.3°C57 mm
March14°C1°C7.2°C103 mm
April20°C6°C13.1°C120 mm
May24°C12°C17.8°C137 mm
June28°C16°C22.4°C105 mm
July31°C19°C25.1°C102 mm
August31°C18°C24.3°C88 mm
September27°C13°C20.0°C97 mm
October21°C7°C13.8°C83 mm
November13°C2°C7.6°C97 mm
December8°C−3°C2.0°C76 mm
Normal daily high and low by month, Grovespring
Normal precipitation by month, Grovespring (inches)

NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Lebanon (20 miles away), gets 8 inches of snow in a normal year; elevation and distance can change that.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00233483; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.

When is the best weather to visit Grovespring?

Normal highs sit between 65°F and 85°F in April, May, June, September and October. Of those, October has the fewest days with rain (8).

That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00233483.

When is the last frost in Grovespring?

In Grovespring, the last spring frost (32°F) comes after April 15 in half of years and after May 2 in one year in ten; the first autumn frost comes before October 22 in half of years and before October 6 in one year in ten.

Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years

Last spring frost, half of years after
April 151 year in 10 after May 2; 9 in 10 after March 29
First autumn frost, half of years before
October 221 year in 10 before October 6; 9 in 10 before November 5

NOAA puts the median frost-free season at 188 days, and the season without a hard freeze (28°F) at 213 days.

A hard freeze (28°F) comes after April 2 in half of springs and before November 1 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Grovespring in zone 6b in ZIP code 65662, the nearest ZIP area.

Frost dates for every NOAA station in Missouri · Frost dates by ZIP code

Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00233483; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.

How hot and how cold does it get in Grovespring?

In a normal year in Grovespring, 33 days a year reach 90°F (1 of them 100°F or more), 100 nights fall to 32°F or colder and 101 days bring measurable precipitation.

Days at 90°F or more
33a normal year
Days at 100°F or more
1a normal year
Nights at 32°F or colder
100a normal year
Days that stay below freezing
17high of 32°F or less
Days with 0.01 inch of precipitation
101a normal year

Source: NOAA NCEI 1991-2020 annual normals, station USC00233483.

How sunny is Grovespring?

Over a year 76% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Grovespring, 4.3 kWh per square metre a day. July is the sunniest month (82%) and February the cloudiest (67%).

Grovespring: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January70%2.3
February67%3.0
March69%4.0
April72%5.1
May74%5.8
June82%6.6
July82%6.4
August80%5.7
September81%4.9
October76%3.6
November73%2.6
December68%2.0

Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.

How much heating and cooling does Grovespring need?

A normal year in Grovespring brings 4,731 heating degree days, 12% fewer than the median U.S. place (5,373), and 1,228 cooling degree days, 35% more than the median (908). Six months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 3,948 growing degree days a year above 50°F.

Grovespring: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January1,0240
February8090
March6243
April30521
May11382
June14231
July2377
August3337
September61149
October28025
November5874
December9100
Year (annual)4,7311,228

Source: NOAA NCEI 1991-2020 monthly normals, station USC00233483. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.

How does Grovespring's climate compare?

Grovespring is warmer than 67 of the other 133 places with their own NOAA record in Missouri, and wetter than 67. Across the 7,247 U.S. stations with normals, its annual mean of 55.3°F is warmer than 61%.

In the Köppen classification computed from these normals, Grovespring is Cfa: temperate, no dry season, hot summer. What the classes mean.

Places with the most similar year elsewhere

Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.

Which places near Grovespring share this climate record?

Evergreen has no NOAA station with 1991-2020 normals of its own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.

  • Evergreen, MO18 people · 10 mi N

Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.

Questions about Grovespring's climate

What is the coldest month in Grovespring?

January, with a normal high of 43°F and a normal low of 21°F. The warmest is July (88°F by day, 66°F at night).

Does it snow in Grovespring?

Yes. NOAA publishes no 1991-2020 snowfall normal for Grovespring's NOAA station; the nearest record that keeps one, Lebanon (20 miles away), records 8 inches of snow in a normal year.

What is the rainiest month in Grovespring?

May, with 5.38 in of precipitation in a normal year; the driest is February with 2.26 in.

What plant hardiness zone is Grovespring in?

The USDA's 2023 map puts Grovespring in zone 6b in ZIP code 65662, the nearest ZIP area.

How late can frost come in Grovespring?

In half of years the last 32°F night comes after April 15; in one year in ten it comes after May 2. Waiting until May 2 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made