Montgomery Bell State Park, Tennessee climate: Climate normals at a NOAA weather station
Montgomery Bell State Park's normal year runs from 26°F January nights to 85°F July afternoons, with 54.9 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 13.8°C, January lows of −4°C, July highs of 30°C, 1,394 mm of precipitation a year.
- NOAA stationMontgomery Bell State Park
- Station IDUSC00406180
- Location36.10°N 87.28°W
- Elevation600 ft (183 m)
On October 23, the normal high in Montgomery Bell State Park is 68°F and the normal low 42°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Montgomery Bell State Park.
- Jan 47° 26°
- Feb 51° 29°
- Mar 62° 36°
- Apr 71° 44°
- May 76° 54°
- Jun 83° 63°
- Jul 85° 67°
- Aug 85° 65°
- Sep 80° 57°
- Oct 70° 45°
- Nov 59° 34°
- Dec 49° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Montgomery Bell State Park each month?
July is the warmest month, with normal highs of 85°F; January the coldest, with normal lows of 26°F. The most precipitation falls in May (5.53 in), the least in August (3.46 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 47°F | 26°F | 36.2°F | 4.11 | – | <1 | 24 | 10 h |
| February | 51°F | 29°F | 40.1°F | 5.04 | – | <1 | 20 | 10 h 50 min |
| March | 62°F | 36°F | 48.6°F | 5.39 | – | <1 | 14 | 11 h 50 min |
| April | 71°F | 44°F | 57.0°F | 5.26 | – | <1 | 4 | 13 h |
| May | 76°F | 54°F | 64.9°F | 5.53 | – | <1 | <1 | 14 h |
| June | 83°F | 63°F | 72.6°F | 4.27 | – | 1 | <1 | 14 h 40 min |
| July | 85°F | 67°F | 76.0°F | 4.47 | – | 3 | <1 | 14 h 20 min |
| August | 85°F | 65°F | 75.1°F | 3.46 | – | 5 | <1 | 13 h 30 min |
| September | 80°F | 57°F | 68.4°F | 3.87 | – | 1 | <1 | 12 h 30 min |
| October | 70°F | 45°F | 57.3°F | 3.96 | – | <1 | 4 | 11 h 20 min |
| November | 59°F | 34°F | 46.8°F | 4.04 | – | <1 | 16 | 10 h 20 min |
| December | 49°F | 28°F | 38.6°F | 5.48 | – | <1 | 22 | 9 h 40 min |
| Year (annual) | 68°F | 46°F | 56.8°F | 54.88 | – | 10 | 105 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 8°C | −4°C | 2.3°C | 104 mm |
| February | 11°C | −2°C | 4.5°C | 128 mm |
| March | 16°C | 2°C | 9.2°C | 137 mm |
| April | 21°C | 6°C | 13.9°C | 134 mm |
| May | 25°C | 12°C | 18.3°C | 140 mm |
| June | 28°C | 17°C | 22.6°C | 108 mm |
| July | 30°C | 19°C | 24.4°C | 114 mm |
| August | 30°C | 18°C | 23.9°C | 88 mm |
| September | 27°C | 14°C | 20.2°C | 98 mm |
| October | 21°C | 7°C | 14.1°C | 101 mm |
| November | 15°C | 1°C | 8.2°C | 103 mm |
| December | 10°C | −2°C | 3.7°C | 139 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Dickson (6 miles away), gets 3 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00406180; 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.
Which months are mildest at Montgomery Bell State Park?
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 USC00406180.
When is the last frost at Montgomery Bell State Park?
In Montgomery Bell State Park, the last spring frost (32°F) comes after April 16 in half of years and after May 2 in one year in ten; the first autumn frost comes before October 26 in half of years and before October 13 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 161 year in 10 after May 2; 9 in 10 after March 29
- First autumn frost, half of years before
- October 261 year in 10 before October 13; 9 in 10 before November 6
NOAA puts the median frost-free season at 193 days, and the season without a hard freeze (28°F) at 217 days.
A hard freeze (28°F) comes after April 2 in half of springs and before November 4 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Montgomery Bell State Park in zone 7b in ZIP code 37029, the nearest ZIP area.
Frost dates for every NOAA station in Tennessee · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00406180; 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 at Montgomery Bell State Park?
In a normal year in Montgomery Bell State Park, 10 days a year reach 90°F and 105 nights fall to 32°F or colder.
- Days at 90°F or more
- 10a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 105a normal year
- Days that stay below freezing
- 10high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00406180.
How sunny is it at Montgomery Bell State Park?
Over a year 75% of the sunlight that would reach the ground under clear skies gets through the clouds at Montgomery Bell State Park, 4.3 kWh per square metre a day. August is the sunniest month (81%) and February the cloudiest (63%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 66% | 2.2 |
| February | 63% | 2.8 |
| March | 67% | 3.9 |
| April | 73% | 5.2 |
| May | 75% | 5.8 |
| June | 81% | 6.4 |
| July | 81% | 6.2 |
| August | 81% | 5.6 |
| September | 80% | 4.8 |
| October | 76% | 3.6 |
| November | 73% | 2.6 |
| December | 64% | 1.9 |
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 many heating and cooling degree days does Montgomery Bell State Park record?
A normal year at Montgomery Bell State Park brings 4,141 heating degree days, 23% fewer than the median U.S. place (5,373), and 1,182 cooling degree days, 30% 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 4,006 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 893 | 0 |
| February | 697 | 0 |
| March | 515 | 5 |
| April | 261 | 23 |
| May | 95 | 92 |
| June | 5 | 232 |
| July | 1 | 343 |
| August | 2 | 313 |
| September | 48 | 151 |
| October | 261 | 22 |
| November | 547 | 1 |
| December | 817 | 0 |
| Year (annual) | 4,141 | 1,182 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00406180. 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.
Have recent years at Montgomery Bell State Park been warmer than normal?
2024 averaged 59.2°F, 2.4°F above the 1991-2020 normal of 56.8°F.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2024 | 59.2°F | +2.4°F | 51.81 |
Source: observed years: ACIS, station USC00406180. A year counts only with all twelve months complete.
How does Montgomery Bell State Park's climate compare?
Montgomery Bell State Park is warmer than 23 of the 116 places with their own NOAA record in Tennessee, and wetter than 43. Across the 7,247 U.S. stations with normals, its annual mean of 56.8°F is warmer than 66%.
In the Köppen classification computed from these normals, Montgomery Bell State Park 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 Montgomery Bell State Park 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.
- White Bluff, TN4,386 people · 4 mi E
- Burns, TN1,872 people · 4 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 Montgomery Bell State Park's climate
What is the coldest month at Montgomery Bell State Park?
January, with a normal high of 47°F and a normal low of 26°F. The warmest is July (85°F by day, 67°F at night).
Does it snow at Montgomery Bell State Park?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Dickson (6 miles away), records 3 inches of snow in a normal year.
What is the rainiest month at Montgomery Bell State Park?
May, with 5.53 in of precipitation in a normal year; the driest is August with 3.46 in.
What plant hardiness zone is Montgomery Bell State Park in?
The USDA's 2023 map puts Montgomery Bell State Park in zone 7b in ZIP code 37029, the nearest ZIP area.
How late can frost come at Montgomery Bell State Park?
In half of years the last 32°F night comes after April 16; in one year in ten it comes after May 2. Waiting until May 2 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Tennessee climateThe statewide normals and every place in the state
- Dickson, TN6 miles from this station, 58.1°F a year
- Charlotte, TN7 miles from this station, 57.5°F a year
- Kingston Springs, TN9 miles from this station, 59.0°F a year
- Fairview, TN12 miles from this station, 58.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made