Savannah, Missouri Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Savannah weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 9:22 AM CDT · Open-Meteo
- TodaySep 21Light Drizzle later12%0.01″66°62°—
- TuesdaySep 22Overcast—0.02″63°59°-3°
- WednesdaySep 23Overcast——72°51°+9°
- ThursdaySep 24Light Drizzle12%—74°55°+2°
- FridaySep 25Drizzle47%0.04″70°60°-4°
- SaturdaySep 26Drizzle53%—84°62°+14°
- SundaySep 27Drizzle28%—77°63°-7°
Air quality now AQI 18 · Good
AQI 18 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:52 PM
- Moonset
- 1:41 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Savannah at a glance
- Today vs. normal: Today averages 64°F (high 66°F, low 62°F), about the 65°F normal for Sep 21
- Last frost: April 17 (1991–2020 median, NOAA station 14 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Savannah
- Mon66°62°12%
- Tue63°59°3%
- Wed72°51°2%
- Thu74°55°12%
- Fri70°60°47%
- Sat84°62°53%
- Sun77°63°28%
- Mon81°60°36%
- Tue76°58°39%
- Wed76°54°14%
- Thu82°58°13%
- Fri87°60°27%
- Sat75°56°27%
- Sun61°46°17%
- Mon63°41°19%
- Tue62°45°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Fall planting + final harvests
As of September 21, the season's first frost (typically October 19) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for September: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Savannah
Savannah sits in Andrew County, where the year’s longest day runs 15h 0m of daylight and its shortest just 9h 20m — a swing of +5h 41m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
St. Louis, the state’s largest city, lies about 261 miles to the ESE. The nearest town Savannah tracks is Irena, roughly 48 miles to the NNE.
Air quality in Savannah
Air quality in Savannah’s county has held roughly steady since 2020; its cleanest year on record was 2020 (median AQI 38).
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes | radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, summer squash |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
Savannah's warmest month is July (~78°F mean) and its coldest is January (~27°F). Rainfall peaks in May (4.9 inches) and bottoms out in January (0.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 27° | 0.7″ | 5 |
| February | 32° | 0.9″ | 6 |
| March | 43° | 2.1″ | 8 |
| April | 54° | 3.7″ | 11 |
| May | 65° | 4.9″ | 12 |
| June | 74° | 4.8″ | 12 |
| July | 78° | 4.7″ | 9 |
| August | 75° | 3.8″ | 9 |
| September | 67° | 3.2″ | 8 |
| October | 55° | 2.8″ | 8 |
| November | 42° | 1.9″ | 6 |
| December | 31° | 1.3″ | 6 |
Regional context
Similar climates Amazonia, MO, Country Club, MO, Rosendale, MO
In Savannah, NOAA NCEI 1991-2020 normals put January near 27°F and July near 78°F — a 50°F seasonal arc — with about 34.8 inches of precipitation over 99 rainy or snowy days.
Precipitation in Savannah runs summer-dominant: May averages 4.9 inches across 12.3 days of warm-season storms, while January drops to 0.7 inches over 4.7 rainy days of drier cool air. That puts Savannah in a summer-convective cohort with places like Amazonia, MO, Country Club, MO and Rosendale, MO.
Around April 17, Savannah sheds its freezing nights — kale, peas, spinach, and parsnips go into Savannah's beds. Tomatoes and peppers do best set out two weeks later in Savannah, once nights clear the mid-40s°F. The season ends by October 19 in Savannah, once hard frosts set back in. That date is a median: Savannah freezes sooner in half of years.
Similar climates: Amazonia, MO, Country Club, MO, Rosendale, MO, Rea, MO, Cosby, MO.
Frequently asked
- When does it freeze in Savannah?
- In Savannah, expect the last spring frost near April 17; Savannah's first autumn frost comes around October 19.
- What is the rainy season in Savannah?
- May is the wettest month in Savannah, about 4.9 inches on average; the year totals roughly 35 inches.
- What is the warmest month in Savannah?
- July is Savannah's warmest month, averaging about 78°F.
- What is the coldest month in Savannah?
- Savannah bottoms out in January, with a mean near 27°F.
- When can I start a vegetable garden in Savannah?
- Frost-hardy sowings begin at April 17 in Savannah; warm-season starts follow two weeks on.
- How many rainy days does Savannah get?
- Expect roughly 99 wet days a year in Savannah.
- What hardiness zone is Savannah?
- Savannah sits in the USDA zone set by January lows near 27°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Savannah?
- Savannah's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Savannah?
- See this week's day-by-day rain chances for Savannah in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Savannah?
- Current conditions for Savannah and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Savannah forecast updated?
- The Savannah forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Savannah?
- Today's sunrise and sunset times for Savannah are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Savannah?
- The next few days in Savannah's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Savannah sits at 39.9°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Savannah
- 64485