Ava, Missouri climate: Normal weather by month, frost dates and records
Ava's normal year runs from 20°F January nights to 89°F July afternoons, with 48.5 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 12.7°C, January lows of −7°C, July highs of 31°C, 1,231 mm of precipitation a year.
- NOAA stationAva (6 mi NW)
- Station IDUSC00230360
- Location37.01°N 92.76°W
- Elevation1,253 ft (382 m)
- Population3,184
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Ava.
- Jan 44° 20°
- Feb 48° 23°
- Mar 58° 32°
- Apr 68° 41°
- May 76° 52°
- Jun 84° 60°
- Jul 89° 65°
- Aug 88° 63°
- Sep 81° 54°
- Oct 70° 42°
- Nov 57° 31°
- Dec 47° 24°
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 Ava each month?
July is the warmest month, with normal highs of 89°F; January the coldest, with normal lows of 20°F. The most precipitation falls in May (5.60 in), the least in February (2.75 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 44°F | 20°F | 31.9°F | 3.07 | – | <1 | 27 | 9 h 50 min |
| February | 48°F | 23°F | 35.4°F | 2.75 | – | <1 | 23 | 10 h 50 min |
| March | 58°F | 32°F | 45.1°F | 4.28 | – | <1 | 15 | 11 h 50 min |
| April | 68°F | 41°F | 54.3°F | 5.17 | – | <1 | 6 | 13 h 10 min |
| May | 76°F | 52°F | 64.2°F | 5.60 | – | 1 | <1 | 14 h 10 min |
| June | 84°F | 60°F | 72.0°F | 4.52 | – | 6 | <1 | 14 h 40 min |
| July | 89°F | 65°F | 76.7°F | 4.30 | – | 15 | <1 | 14 h 30 min |
| August | 88°F | 63°F | 75.5°F | 3.91 | – | 11 | <1 | 13 h 40 min |
| September | 81°F | 54°F | 67.6°F | 4.09 | – | 4 | <1 | 12 h 30 min |
| October | 70°F | 42°F | 56.3°F | 3.71 | – | <1 | 5 | 11 h 20 min |
| November | 57°F | 31°F | 43.9°F | 4.03 | – | <1 | 18 | 10 h 10 min |
| December | 47°F | 24°F | 35.6°F | 3.05 | – | <1 | 26 | 9 h 40 min |
| Year (annual) | 67°F | 42°F | 54.8°F | 48.48 | – | 38 | 120 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 7°C | −7°C | −0.1°C | 78 mm |
| February | 9°C | −5°C | 1.9°C | 70 mm |
| March | 15°C | 0°C | 7.3°C | 109 mm |
| April | 20°C | 5°C | 12.4°C | 131 mm |
| May | 24°C | 11°C | 17.9°C | 142 mm |
| June | 29°C | 15°C | 22.2°C | 115 mm |
| July | 31°C | 18°C | 24.8°C | 109 mm |
| August | 31°C | 17°C | 24.2°C | 99 mm |
| September | 27°C | 12°C | 19.8°C | 104 mm |
| October | 21°C | 6°C | 13.5°C | 94 mm |
| November | 14°C | −1°C | 6.6°C | 102 mm |
| December | 8°C | −4°C | 2.0°C | 77 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Mansfield (12 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 USC00230360; 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 Ava?
Normal highs sit between 65°F and 85°F in April, May, June, September and October.
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 USC00230360.
When is the last frost in Ava?
In Ava, the last spring frost (32°F) comes after April 23 in half of years and after May 6 in one year in ten; the first autumn frost comes before October 17 in half of years and before October 4 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 231 year in 10 after May 6; 9 in 10 after April 10
- First autumn frost, half of years before
- October 171 year in 10 before October 4; 9 in 10 before October 28
NOAA puts the median frost-free season at 175 days, and the season without a hard freeze (28°F) at 196 days.
A hard freeze (28°F) comes after April 12 in half of springs and before October 24 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Ava in zone 7a in ZIP code 65608, 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 USC00230360; 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 Ava?
In a normal year in Ava, 38 days a year reach 90°F (3 of them 100°F or more) and 120 nights fall to 32°F or colder.
- Days at 90°F or more
- 38a normal year
- Days at 100°F or more
- 3a normal year
- Nights at 32°F or colder
- 120a normal year
- Days that stay below freezing
- 13high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00230360.
How sunny is Ava?
Over a year 76% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Ava, 4.3 kWh per square metre a day. July is the sunniest month (82%) and February the cloudiest (67%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 70% | 2.3 |
| February | 67% | 3.0 |
| March | 69% | 4.0 |
| April | 72% | 5.1 |
| May | 74% | 5.8 |
| June | 82% | 6.6 |
| July | 82% | 6.4 |
| August | 80% | 5.7 |
| September | 81% | 4.9 |
| October | 76% | 3.6 |
| November | 73% | 2.6 |
| December | 68% | 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 Ava need?
A normal year in Ava brings 4,825 heating degree days, 10% fewer than the median U.S. place (5,373), and 1,157 cooling degree days, 27% 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 3,807 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,027 | 0 |
| February | 829 | 0 |
| March | 619 | 2 |
| April | 333 | 12 |
| May | 109 | 83 |
| June | 7 | 215 |
| July | 0 | 361 |
| August | 2 | 327 |
| September | 55 | 131 |
| October | 295 | 24 |
| November | 636 | 1 |
| December | 913 | 0 |
| Year (annual) | 4,825 | 1,157 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00230360. 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 Ava's climate compare?
Ava is warmer than 55 of the other 133 places with their own NOAA record in Missouri, and wetter than 111. Across the 7,247 U.S. stations with normals, its annual mean of 54.8°F is warmer than 59%.
In the Köppen classification computed from these normals, Ava is Dfa: continental, 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 Ava share this climate record?
2 places have no NOAA station with 1991-2020 normals of their 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.
- Seymour, MO1,934 people · 10 mi N
- Diggins, MO313 people · 13 mi NW
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
What do Ava's other NOAA stations record?
One more NOAA station keeps 1991-2020 normals in or near Ava. This page uses Ava (6 mi NW); the other differs by site and elevation:
| Station | From this station | Elevation | Year | Jan low | Jul high | Precip. | Snow | Last frost |
|---|---|---|---|---|---|---|---|---|
| Ava (12 mi SW) USC00230368 | 11 mi SW | 1,197 ft | 55.2°F | 23°F | 87°F | 44.1 | – | April 14 |
Source: NOAA NCEI 1991-2020 normals for each station. Last frost: the median last spring date of 32°F.
Questions about Ava's climate
What is the coldest month in Ava?
January, with a normal high of 44°F and a normal low of 20°F. The warmest is July (89°F by day, 65°F at night).
Does it snow in Ava?
Yes. NOAA publishes no 1991-2020 snowfall normal for Ava's NOAA station; the nearest record that keeps one, Mansfield (12 miles away), records 8 inches of snow in a normal year.
What is the rainiest month in Ava?
May, with 5.60 in of precipitation in a normal year; the driest is February with 2.75 in.
What plant hardiness zone is Ava in?
The USDA's 2023 map puts Ava in zone 7a in ZIP code 65608, the nearest ZIP area.
How late can frost come in Ava?
In half of years the last 32°F night comes after April 23; in one year in ten it comes after May 6. Waiting until May 6 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Missouri climateThe statewide normals and every place in the state
- Mansfield, MO12 miles from this station, 55.4°F a year
- Wasola, MO14 miles from this station, 55.8°F a year
- Oldfield, MO15 miles from this station, 52.6°F a year
- Gentryville, MO24 miles from this station, 56.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made