Arnett 8 mi WSW Mesonet, Oklahoma climate: Climate normals at a NOAA weather station

Arnett 8 mi WSW Mesonet's normal year runs from 24°F January nights to 94°F July afternoons. (NOAA 1991-2020 normals)

In metric: a yearly mean of 14.8°C, January lows of −5°C, July highs of 35°C.

  • NOAA stationArnett 8 mi WSW Mesonet
  • Station IDUSC00340338
  • Location36.07°N 99.90°W
  • Elevation2,359 ft (719 m)

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Arnett 8 mi WSW Mesonet.

  1. Jan 50° 24°
  2. Feb 53° 26°
  3. Mar 63° 35°
  4. Apr 71° 44°
  5. May 80° 55°
  6. Jun 88° 64°
  7. Jul 94° 68°
  8. Aug 92° 66°
  9. Sep 85° 59°
  10. Oct 73° 45°
  11. Nov 61° 33°
  12. Dec 51° 26°

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 Arnett 8 mi WSW Mesonet each month?

July is the warmest month, with normal highs of 94°F; January the coldest, with normal lows of 24°F.

Arnett 8 mi WSW Mesonet monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanWet days90°F daysFreezing nightsDaylight
January 50°F24°F36.8°F –<12710 h
February 53°F26°F39.8°F –<12210 h 50 min
March 63°F35°F49.0°F –11111 h 50 min
April 71°F44°F57.7°F –2413 h
May 80°F55°F67.3°F –5<114 h
June 88°F64°F76.2°F –18<114 h 40 min
July 94°F68°F81.2°F –24<114 h 20 min
August 92°F66°F79.4°F –21<113 h 30 min
September 85°F59°F71.9°F –11<112 h 30 min
October 73°F45°F59.1°F –2311 h 20 min
November 61°F33°F47.0°F –<11310 h 20 min
December 51°F26°F38.0°F –<1259 h 40 min
Year (annual)72°F46°F58.6°F–84105
The same normals in °C and millimetres
Arnett 8 mi WSW Mesonet monthly normals, 1991-2020 (°C, mm)
MonthHighLowMean
January10°C−5°C2.7°C
February12°C−3°C4.3°C
March17°C2°C9.4°C
April22°C7°C14.3°C
May27°C13°C19.6°C
June31°C18°C24.6°C
July35°C20°C27.3°C
August34°C19°C26.3°C
September29°C15°C22.2°C
October23°C7°C15.1°C
November16°C1°C8.3°C
December10°C−4°C3.3°C
Normal daily high and low by month, Arnett 8 mi WSW Mesonet

NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Lipscomb (23 miles away), gets 10 inches of snow in a normal year; elevation and distance can change that.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00340338; 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 Arnett 8 mi WSW Mesonet?

Normal highs sit between 65°F and 85°F in April, May, 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 USC00340338.

When is the last frost at Arnett 8 mi WSW Mesonet?

In Arnett 8 mi WSW Mesonet, the last spring frost (32°F) comes after April 9 in half of years and after April 25 in one year in ten; the first autumn frost comes before October 27 in half of years and before October 14 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 91 year in 10 after April 25; 9 in 10 after March 23
First autumn frost, half of years before
October 271 year in 10 before October 14; 9 in 10 before November 9

NOAA puts the median frost-free season at 200 days, and the season without a hard freeze (28°F) at 220 days.

A hard freeze (28°F) comes after March 30 in half of springs and before November 4 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Arnett 8 mi WSW Mesonet in zone 7a in ZIP code 73858, the nearest ZIP area.

Frost dates for every NOAA station in Oklahoma · Frost dates by ZIP code

Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00340338; 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 Arnett 8 mi WSW Mesonet?

In a normal year in Arnett 8 mi WSW Mesonet, 84 days a year reach 90°F (16 of them 100°F or more) and 105 nights fall to 32°F or colder.

Days at 90°F or more
84a normal year
Days at 100°F or more
16a 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 USC00340338.

How sunny is it at Arnett 8 mi WSW Mesonet?

Over a year 83% of the sunlight that would reach the ground under clear skies gets through the clouds at Arnett 8 mi WSW Mesonet, 4.9 kWh per square metre a day. July is the sunniest month (88%) and February the cloudiest (76%).

Arnett 8 mi WSW Mesonet: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January80%2.8
February76%3.6
March79%4.8
April80%5.9
May81%6.6
June87%7.3
July88%7.1
August87%6.3
September86%5.3
October82%4.0
November82%3.1
December79%2.5

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 Arnett 8 mi WSW Mesonet record?

A normal year at Arnett 8 mi WSW Mesonet brings 4,047 heating degree days, 25% fewer than the median U.S. place (5,373), and 1,758 cooling degree days, 94% 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 4,681 growing degree days a year above 50°F.

Arnett 8 mi WSW Mesonet: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January8760
February7051
March5048
April25134
May75146
June1337
July0502
August0446
September25232
October23049
November5433
December8370
Year (annual)4,0471,758

Source: NOAA NCEI 1991-2020 monthly normals, station USC00340338. 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 Arnett 8 mi WSW Mesonet been warmer than normal?

2024 averaged 62.0°F, 3.4°F above the 1991-2020 normal of 58.6°F. 4 of the 4 complete years since 2021 ran warmer than the normal.

Arnett 8 mi WSW Mesonet: each recent year's mean against the 1991-2020 normal (58.6°F)
YearMeanAgainst normal
202159.3°F+0.7°F
202259.4°F+0.8°F
202359.9°F+1.3°F
202462.0°F+3.4°F

Source: observed years: ACIS, station USC00340338. A year counts only with all twelve months complete.

How does Arnett 8 mi WSW Mesonet's climate compare?

Arnett 8 mi WSW Mesonet is warmer than 18 of the 134 places with their own NOAA record in Oklahoma. Across the 7,247 U.S. stations with normals, its annual mean of 58.6°F is warmer than 71%.

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.

Which places near Arnett 8 mi WSW Mesonet share this climate record?

4 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.

  • Canadian, TX2,169 people · 29 mi SW
  • Higgins, TX341 people · 8 mi NW
  • Durham, OK28 people · 16 mi S
  • Glazier, TX22 people · 21 mi W

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 Arnett 8 mi WSW Mesonet's climate

What is the coldest month at Arnett 8 mi WSW Mesonet?

January, with a normal high of 50°F and a normal low of 24°F. The warmest is July (94°F by day, 68°F at night).

Does it snow at Arnett 8 mi WSW Mesonet?

Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Lipscomb (23 miles away), records 10 inches of snow in a normal year.

What plant hardiness zone is Arnett 8 mi WSW Mesonet in?

The USDA's 2023 map puts Arnett 8 mi WSW Mesonet in zone 7a in ZIP code 73858, the nearest ZIP area.

How late can frost come at Arnett 8 mi WSW Mesonet?

In half of years the last 32°F night comes after April 9; in one year in ten it comes after April 25. Waiting until April 25 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made