Photo: TCP04 · CC BY 4.0Summers, winters and rain in Montgomery City all run close to those of most U.S. towns
On a normal July day the thermometer tops out near 88°. Temperatures cover 67° across the year, low to high. By July afternoons alone, it runs hotter than 65% of U.S. towns. From April to June and September to October, highs of 66–83° make it easy to spend the day outdoors.
A year in Montgomery City at a glance
Each month’s typical high and low, and what it brings.
What stands out about Montgomery City’s climate
Compared with towns across the U.S., with Montgomery City’s place in Missouri beside it.
What a year in Montgomery City feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 191 frost-free days a year
In half of years the last 32° night comes by April 14 and the first by October 23. Frost and day counts come from NOAA’s station at Warrenton 1 N, MO, 22 miles from the town’s center, at about the same height.
The 2023 USDA map puts Montgomery City’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −4°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 42 inches of rain a year
May is the wettest month and February the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Montgomery City
80% of the work is heating. Months averaging under 55° run from November through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Warrenton 1 N, MO.
Living with Montgomery City’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
191 frost-free days in zone 6b. The last frost comes by Apr 14 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 23.
Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October. 0.1 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Montgomery City from natural hazards, river flooding is the largest share (43%); heat waves, cold waves, winter storms and ice storms together are 33%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Montgomery City and similar climates
TownRatings has no climate map of the towns around Montgomery City yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Montgomery City averaged 0.9° warmer than the 1900s. The biggest change is in December (+2.1°).
A smaller shift than in 87% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Montgomery City compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Montgomery City’s place among Missouri’s.
Montgomery City weather by month
Highs, lows and precipitation from NOAA’s grid at Montgomery City’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 38° | 20° | 2.2" | 23° – 40° |
| February | 43° | 24° | 2.2" | 23° – 44° |
| March | 54° | 33° | 3.1" | 36° – 57° |
| April | 66° | 43° | 4.4" | 48° – 60° |
| May | 75° | 53° | 4.9" | 59° – 72° |
| June | 83° | 63° | 4.5" | 69° – 78° |
| July | 88° | 67° | 4.3" | 72° – 84° |
| August | 86° | 65° | 3.9" | 69° – 82° |
| September | 79° | 56° | 3.6" | 61° – 74° |
| October | 67° | 45° | 3.3" | 50° – 61° |
| November | 54° | 34° | 3.1" | 36° – 51° |
| December | 42° | 25° | 2.3" | 19° – 43° |
| Year | 65° | 44° | 41.8" |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 19° to 43°. June is the most reliable, staying within 9°.
Where Montgomery City’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Montgomery City’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Warrenton 1 N, MO, 22 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Montgomery City’s climate
What is the weather like in Montgomery City?
A typical July afternoon reaches 88°, a January night drops to 20°. Colder January nights than 58% of U.S. towns; hotter July afternoons than 65% of U.S. towns.
How cold does it get in Montgomery City in winter?
January nights average 20°. About 111 nights a year reach 32° or below and 4 reach 0° or below. In the coldest January of the last 30 years the month averaged 23°.
How hot does it get in Montgomery City?
July, with a typical high of 88° and a low of 67°. About 31 days a year reach 90° and 2 reach 100° (Warrenton 1 N, MO).
When is the first and last frost in Montgomery City?
In half of years the last spring frost (32°) comes by April 14 and the first fall frost by October 23, about 191 frost-free days, at Warrenton 1 N, MO.
What growing zone is Montgomery City in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −4°.
What is the best time of year to visit Montgomery City?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Montgomery City getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 87% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Montgomery City.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.