Selmer, Tennessee climate: Normal weather by month, frost dates and records
Selmer's normal year runs from 30°F January nights to 90°F July afternoons, with 59.1 inches of precipitation and 1 inch of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 15.8°C, January lows of −1°C, July highs of 32°C, 1,500 mm of precipitation a year.
- NOAA stationSelmer
- Station IDUSC00408160
- Location35.16°N 88.60°W
- Elevation470 ft (143 m)
- From the centerunder 1 mile
- Population4,590
On October 22, the normal high in Selmer is 72°F and the normal low 46°F, and the chance of measurable rain or snow is 26%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Selmer.
- Jan 49° 30°
- Feb 54° 33°
- Mar 63° 40°
- Apr 73° 48°
- May 80° 58°
- Jun 87° 66°
- Jul 90° 69°
- Aug 90° 68°
- Sep 84° 61°
- Oct 74° 49°
- Nov 62° 38°
- Dec 52° 33°
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 Selmer each month?
July is the warmest month, with normal highs of 90°F; January the coldest, with normal lows of 30°F. The most precipitation falls in March (5.75 in), the least in August (3.84 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 49°F | 30°F | 39.3°F | 4.69 | 0.3 | 12 | <1 | 20 | 10 h |
| February | 54°F | 33°F | 43.1°F | 5.30 | 0.4 | 11 | <1 | 15 | 10 h 50 min |
| March | 63°F | 40°F | 51.4°F | 5.75 | 0.2 | 12 | <1 | 9 | 11 h 50 min |
| April | 73°F | 48°F | 60.4°F | 5.64 | 0.1 | 11 | <1 | 2 | 13 h |
| May | 80°F | 58°F | 68.9°F | 5.36 | 0.0 | 11 | 2 | <1 | 14 h |
| June | 87°F | 66°F | 76.5°F | 4.79 | 0.0 | 10 | 12 | <1 | 14 h 30 min |
| July | 90°F | 69°F | 79.8°F | 5.17 | 0.0 | 10 | 20 | <1 | 14 h 20 min |
| August | 90°F | 68°F | 78.8°F | 3.84 | 0.0 | 9 | 17 | <1 | 13 h 30 min |
| September | 84°F | 61°F | 72.6°F | 4.35 | 0.0 | 7 | 8 | <1 | 12 h 30 min |
| October | 74°F | 49°F | 61.1°F | 4.14 | 0.0 | 7 | 1 | 2 | 11 h 20 min |
| November | 62°F | 38°F | 50.1°F | 4.37 | 0.0 | 10 | <1 | 10 | 10 h 20 min |
| December | 52°F | 33°F | 42.2°F | 5.66 | 0.0 | 12 | <1 | 17 | 9 h 50 min |
| Year (annual) | 72°F | 49°F | 60.4°F | 59.06 | 1.0 | 119 | 59 | 74 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 10°C | −1°C | 4.1°C | 119 mm | 1 cm |
| February | 12°C | 0°C | 6.2°C | 135 mm | 1 cm |
| March | 17°C | 4°C | 10.8°C | 146 mm | 1 cm |
| April | 23°C | 9°C | 15.8°C | 143 mm | 0 cm |
| May | 27°C | 14°C | 20.5°C | 136 mm | 0 cm |
| June | 31°C | 19°C | 24.7°C | 122 mm | 0 cm |
| July | 32°C | 21°C | 26.6°C | 131 mm | 0 cm |
| August | 32°C | 20°C | 26.0°C | 98 mm | 0 cm |
| September | 29°C | 16°C | 22.6°C | 110 mm | 0 cm |
| October | 23°C | 9°C | 16.2°C | 105 mm | 0 cm |
| November | 17°C | 4°C | 10.1°C | 111 mm | 0 cm |
| December | 11°C | 0°C | 5.7°C | 144 mm | 0 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00408160; 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 Selmer?
Normal highs sit between 65°F and 85°F in April, May, September and October. Of those, September has the fewest days with rain (7).
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 USC00408160.
When is the last frost in Selmer?
In Selmer, the last spring frost (32°F) comes after April 6 in half of years and after April 20 in one year in ten; the first autumn frost comes before October 30 in half of years and before October 18 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 61 year in 10 after April 20; 9 in 10 after March 19
- First autumn frost, half of years before
- October 301 year in 10 before October 18; 9 in 10 before November 12
NOAA puts the median frost-free season at 206 days, and the season without a hard freeze (28°F) at 232 days.
A hard freeze (28°F) comes after March 24 in half of springs and before November 9 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Selmer in zone 7b in ZIP code 38375, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Selmer's NOAA station is in zone 7b: the coldest night of a typical year reaches 8°F (30 complete years).
Frost dates for every NOAA station in Tennessee · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00408160; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. 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 Selmer?
In a normal year in Selmer, 59 days a year reach 90°F (2 of them 100°F or more), 74 nights fall to 32°F or colder and 119 days bring measurable precipitation.
- Days at 90°F or more
- 59a normal year
- Days at 100°F or more
- 2a normal year
- Nights at 32°F or colder
- 74a normal year
- Days that stay below freezing
- 5high of 32°F or less
- Days with 0.01 inch of precipitation
- 119a normal year
- Days with 1 inch of snow or more
- 1a normal year
The highest temperature in this station's record (since 1958) is 107°F, on June 30, 2012; the lowest is −21°F, on January 30, 1966.
The wettest calendar year on that record is 2018, with 75.12 in; the snowiest season is 1967–68, with 25.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00408160; records: ACIS (NOAA Regional Climate Centers), station USC00408160. Records use complete months only; a month missing more than three days is left out.
How sunny is Selmer?
Over a year 76% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Selmer, 4.4 kWh per square metre a day. June is the sunniest month (82%) and February the cloudiest (64%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 68% | 2.4 |
| February | 64% | 2.9 |
| March | 68% | 4.0 |
| April | 74% | 5.3 |
| May | 76% | 5.9 |
| June | 82% | 6.5 |
| July | 82% | 6.3 |
| August | 82% | 5.7 |
| September | 81% | 4.9 |
| October | 77% | 3.8 |
| November | 74% | 2.8 |
| December | 66% | 2.1 |
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 Selmer need?
A normal year in Selmer brings 3,444 heating degree days, 36% fewer than the median U.S. place (5,373), and 1,782 cooling degree days, 96% more than the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 4,964 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 797 | 0 |
| February | 614 | 1 |
| March | 433 | 10 |
| April | 189 | 52 |
| May | 49 | 172 |
| June | 2 | 348 |
| July | 0 | 459 |
| August | 0 | 426 |
| September | 19 | 246 |
| October | 179 | 60 |
| November | 453 | 6 |
| December | 708 | 1 |
| Year (annual) | 3,444 | 1,782 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00408160. 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.
Has Selmer been warmer than normal lately?
2022 averaged 59.5°F, 0.9°F below the 1991-2020 normal of 60.4°F.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2022 | 59.5°F | −0.9°F | 61.05 | 0.0 |
Over 52 complete years from 1959 to 2022, the station's annual mean temperature rose at a fitted 3.2°F per century (+0.18°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00408160; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Selmer's climate compare?
Selmer is warmer than 106 of the other 115 places with their own NOAA record in Tennessee, and wetter than 87. Across the 7,247 U.S. stations with normals, its annual mean of 60.4°F is warmer than 76%.
In the Köppen classification computed from these normals, Selmer 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 Selmer 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.
- Bethel Springs, TN748 people · 5 mi N
- Chalybeate, MS0 people · 22 mi SW
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 Selmer's climate
What is the coldest month in Selmer?
January, with a normal high of 49°F and a normal low of 30°F. The warmest is July (90°F by day, 69°F at night).
Does it snow in Selmer?
Yes: 1 inch in a normal year, falling on 1 days with 0.1 inch or more, the most in February (0.4 inches).
What is the rainiest month in Selmer?
March, with 5.75 in of precipitation in a normal year; the driest is August with 3.84 in.
What plant hardiness zone is Selmer in?
The USDA's 2023 map puts Selmer in zone 7b in ZIP code 38375, the nearest ZIP area. By the same method at Selmer's NOAA station, the coldest night of a typical year reaches 8°F (30 years, 1991-2020): zone 7b.
How late can frost come in Selmer?
In half of years the last 32°F night comes after April 6; in one year in ten it comes after April 20. Waiting until April 20 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Tennessee climateThe statewide normals and every place in the state
- Savannah, TN16 miles from this station, 61.5°F a year
- Corinth, MS20 miles from this station, 60.5°F a year
- Henderson, TN21 miles from this station, 58.1°F a year
- Bolivar, TN23 miles from this station, 59.6°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made