Photo: Vsmith · CC BY-SA 4.0For weather, Ava is about as ordinary as U.S. towns get
Peak summer warmth arrives in July, with afternoons near 88°. The wettest month is May; the driest is February. Precipitation is plentiful here, more than falls on 69% of U.S. towns. Comfortable outdoor weather lasts from April to June and September to October, with highs of 68–83°.
A year in Ava at a glance
Each month’s typical high and low, and what it brings.
What stands out about Ava’s climate
Compared with towns across the U.S., with Ava’s place in Missouri beside it.
What a year in Ava feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 198 frost-free days a year
In half of years the last 32° night comes by April 10 and the first by October 27. Frost and day counts come from NOAA’s station at Wasola 5n, MO, 8 miles from the town’s center, at about the same height.
The 2023 USDA map puts Ava’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 1°. 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 8 inches of snow a winter
Snow, measured at Mansfield, MO, is heaviest from January through February, about 2 inches a month. Precipitation (rain plus melted snow) adds up to 47 inches a year; May is the wettest month and February the driest. Rain or snow falls on about 102 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Ava
79% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Wasola 5n, MO.
Living with Ava’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
198 frost-free days in zone 7a. The last frost comes by Apr 10 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 27.
Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Ava from natural hazards, river flooding is the largest share (29%); heat waves, cold waves, winter storms and ice storms together are 30%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Ava and similar climates
TownRatings has no climate map of the towns around Ava yet.
Climates most like Ava’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Ava, MO | 24° | 88° | 47" | 7.7" |
| Phoenixville, PA | 23° | 88° | 47" | 7.6" |
| Mount Carmel, IL | 24° | 88° | 48" | 8.9" |
| Vincennes, IN | 23° | 88° | 47" | 8.5" |
| Owensboro, KY | 25° | 88° | 48" | 5.7" |
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 Ava averaged 0.8° warmer than the 1900s. The biggest change is in February (+1.9°).
A smaller shift than in 92% 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 Ava compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Ava’s place among Missouri’s.
Ava weather by month
Highs, lows and precipitation from NOAA’s grid at Ava’s center; snow, wet days and snow on the ground from Mansfield, MO. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 44° | 24° | 2.7" | 2.2" | 7 | 5 | 29° – 43° |
| February | 49° | 27° | 2.7" | 2.1" | 7 | 2 | 29° – 47° |
| March | 58° | 35° | 4.3" | 1.9" | 10 | 1 | 39° – 59° |
| April | 68° | 44° | 5.2" | 0.0" | 10 | 0 | 50° – 62° |
| May | 75° | 53° | 5.4" | 0.0" | 12 | 0 | 60° – 71° |
| June | 83° | 62° | 4.0" | 0.0" | 9 | 0 | 68° – 77° |
| July | 88° | 66° | 4.4" | 0.0" | 9 | 0 | 72° – 83° |
| August | 87° | 64° | 3.5" | 0.0" | 7 | 0 | 69° – 81° |
| September | 80° | 56° | 4.1" | 0.0" | 7 | 0 | 64° – 76° |
| October | 69° | 45° | 3.7" | 0.0" | 9 | 0 | 51° – 62° |
| November | 57° | 35° | 4.0" | 0.0" | 8 | 0 | 39° – 54° |
| December | 46° | 27° | 3.0" | 1.5" | 7 | 3 | 24° – 43° |
| Year | 67° | 45° | 46.9" | 7.7" | 102 | 11 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 39° to 59°. June is the most reliable, staying within 9°.
Where Ava’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 Ava’s center.
- Snow: Mansfield, MO.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Wasola 5n, MO, 8 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 Ava’s climate
What is the weather like in Ava?
A typical July afternoon reaches 88°, a January night drops to 24°, and about 8 inches of snow falls in a normal winter. Milder January nights than 59% of U.S. towns; hotter July afternoons than 67% of U.S. towns.
How cold does it get in Ava in winter?
January nights average 24°. About 96 nights a year reach 32° or below and 1 reach 0° or below. In the coldest January of the last 30 years the month averaged 29°.
How much snow does Ava get?
About 7.7 inches in a normal winter at Mansfield, MO, heaviest from January through February, about 2 inches a month, with snow on the ground about 11 days a year.
How hot does it get in Ava?
July, with a typical high of 88° and a low of 66°. About 28 days a year reach 90° and 1 reach 100° (Wasola 5n, MO).
When is the first and last frost in Ava?
In half of years the last spring frost (32°) comes by April 10 and the first fall frost by October 27, about 198 frost-free days, at Wasola 5n, MO.
What growing zone is Ava in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 1°.
What is the best time of year to visit Ava?
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 Ava getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 92% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Ava.
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.