Pickett State Park, Tennessee climate: Climate normals at a NOAA weather station
Pickett State Park's normal year runs from 24°F January nights to 83°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 12.4°C, January lows of −5°C, July highs of 28°C.
- NOAA stationPickett State Park
- Station IDUSC00407141
- Location36.55°N 84.80°W
- Elevation1,625 ft (495 m)
On October 22, the normal high in Pickett State Park is 67°F and the normal low 41°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Pickett State Park.
- Jan 44° 24°
- Feb 48° 27°
- Mar 57° 33°
- Apr 67° 42°
- May 74° 51°
- Jun 80° 59°
- Jul 83° 63°
- Aug 83° 61°
- Sep 78° 55°
- Oct 69° 44°
- Nov 56° 34°
- Dec 48° 27°
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 Pickett State Park each month?
July is the warmest month, with normal highs of 83°F; January the coldest, with normal lows of 24°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 44°F | 24°F | 33.8°F | – | <1 | 23 | 10 h |
| February | 48°F | 27°F | 37.2°F | – | <1 | 21 | 10 h 50 min |
| March | 57°F | 33°F | 45.0°F | – | <1 | 14 | 11 h 50 min |
| April | 67°F | 42°F | 54.3°F | – | <1 | 6 | 13 h 10 min |
| May | 74°F | 51°F | 62.4°F | – | <1 | 1 | 14 h 10 min |
| June | 80°F | 59°F | 69.3°F | – | 1 | <1 | 14 h 40 min |
| July | 83°F | 63°F | 72.7°F | – | 3 | <1 | 14 h 30 min |
| August | 83°F | 61°F | 72.2°F | – | 4 | <1 | 13 h 40 min |
| September | 78°F | 55°F | 66.2°F | – | 1 | <1 | 12 h 30 min |
| October | 69°F | 44°F | 56.2°F | – | <1 | 4 | 11 h 20 min |
| November | 56°F | 34°F | 44.9°F | – | <1 | 15 | 10 h 20 min |
| December | 48°F | 27°F | 37.7°F | – | <1 | 22 | 9 h 40 min |
| Year (annual) | 65°F | 43°F | 54.3°F | – | 9 | 106 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 7°C | −5°C | 1.0°C |
| February | 9°C | −3°C | 2.9°C |
| March | 14°C | 1°C | 7.2°C |
| April | 19°C | 5°C | 12.4°C |
| May | 23°C | 11°C | 16.9°C |
| June | 27°C | 15°C | 20.7°C |
| July | 28°C | 17°C | 22.6°C |
| August | 28°C | 16°C | 22.3°C |
| September | 26°C | 13°C | 19.0°C |
| October | 20°C | 7°C | 13.4°C |
| November | 14°C | 1°C | 7.2°C |
| December | 9°C | −3°C | 3.2°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Jamestown (12 miles away), gets 19 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00407141; 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 Pickett State Park?
Normal highs sit between 65°F and 85°F in April, May, June, July, August, 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 USC00407141.
When is the last frost at Pickett State Park?
In Pickett State Park, the last spring frost (32°F) comes after April 25 in half of years and after May 12 in one year in ten; the first autumn frost comes before October 19 in half of years and before October 5 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 251 year in 10 after May 12; 9 in 10 after April 9
- First autumn frost, half of years before
- October 191 year in 10 before October 5; 9 in 10 before October 30
NOAA puts the median frost-free season at 175 days, and the season without a hard freeze (28°F) at 198 days.
A hard freeze (28°F) comes after April 12 in half of springs and before October 28 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Pickett State Park in zone 7a in ZIP code 38577, 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 USC00407141; 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 Pickett State Park?
In a normal year in Pickett State Park, 9 days a year reach 90°F and 106 nights fall to 32°F or colder.
- Days at 90°F or more
- 9a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 106a normal year
- Days that stay below freezing
- 13high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00407141.
How sunny is it at Pickett State Park?
Over a year 73% of the sunlight that would reach the ground under clear skies gets through the clouds at Pickett State Park, 4.2 kWh per square metre a day. August is the sunniest month (79%) and February the cloudiest (61%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 63% | 2.2 |
| February | 61% | 2.8 |
| March | 66% | 3.9 |
| April | 72% | 5.2 |
| May | 73% | 5.7 |
| June | 78% | 6.2 |
| July | 76% | 5.9 |
| August | 79% | 5.5 |
| September | 77% | 4.7 |
| October | 74% | 3.6 |
| November | 73% | 2.6 |
| December | 63% | 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 Pickett State Park record?
A normal year at Pickett State Park brings 4,675 heating degree days, 13% fewer than the median U.S. place (5,373), and 816 cooling degree days, 10% fewer 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 3,448 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 969 | 0 |
| February | 778 | 0 |
| March | 621 | 1 |
| April | 334 | 13 |
| May | 138 | 59 |
| June | 22 | 152 |
| July | 3 | 244 |
| August | 6 | 228 |
| September | 64 | 102 |
| October | 290 | 17 |
| November | 602 | 1 |
| December | 848 | 0 |
| Year (annual) | 4,675 | 816 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00407141. 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 Pickett State Park's climate compare?
Pickett State Park is warmer than 3 of the 116 places with their own NOAA record in Tennessee. Across the 7,247 U.S. stations with normals, its annual mean of 54.3°F is warmer than 58%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Questions about Pickett State Park's climate
What is the coldest month at Pickett State Park?
January, with a normal high of 44°F and a normal low of 24°F. The warmest is July (83°F by day, 63°F at night).
Does it snow at Pickett State Park?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Jamestown (12 miles away), records 19 inches of snow in a normal year.
What plant hardiness zone is Pickett State Park in?
The USDA's 2023 map puts Pickett State Park in zone 7a in ZIP code 38577, the nearest ZIP area.
How late can frost come at Pickett State Park?
In half of years the last 32°F night comes after April 25; in one year in ten it comes after May 12. Waiting until May 12 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Tennessee climateThe statewide normals and every place in the state
- Jamestown, TN12 miles from this station, 55.2°F a year
- Allardt, TN12 miles from this station, 55.5°F a year
- Oneida, TN15 miles from this station, 55.1°F a year
- Byrdstown, TN19 miles from this station, 56.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made