July in Wann runs hotter than in 85% of U.S. towns
In January the night’s low is typically 25°. Winters are mild: January nights here are milder than in 63% of U.S. towns. March has warmed most since 1901–2000, part of a 0.5° rise. Radiators earn their keep from November to March, the months that average under 50°.
A year in Wann at a glance
Each month’s typical high and low, and what it brings.
What stands out about Wann’s climate
Compared with towns across the U.S., with Wann’s place in Oklahoma beside it.
What a year in Wann feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 208 frost-free days a year
In half of years the last 32° night comes by April 6 and the first by November 1. Frost and day counts come from NOAA’s station at Coffeyville Wtr Wks, KS, 14 miles from the town’s center, 130 ft lower.
The 2023 USDA map puts Wann’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 2°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 9 inches of snow a winter
Snow, measured at Wann, OK, falls mostly in December. Precipitation (rain plus melted snow) adds up to 42 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 78 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Wann
72% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Coffeyville Wtr Wks, KS.
Living with Wann’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
208 frost-free days in zone 7a. The last frost comes by Apr 6 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 1.
Months with highs of 62–84° and lows of 40° or more: April, May, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Wann from natural hazards, river flooding is the largest share (27%); heat waves, cold waves, winter storms and ice storms together are 27%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Wann and similar climates
TownRatings has no climate map of the towns around Wann yet.
Climates most like Wann’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Wann, OK | 25° | 92° | 42" | 9.3" |
| Pevely, MO | 23° | 89° | 43" | 9.2" |
| Columbia, IL | 24° | 89° | 42" | 8.8" |
| Fredericksburg, VA | 25° | 89° | 43" | 11" |
| Mountain Home, AR | 26° | 90° | 48" | 7.8" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Wann averaged 0.5° warmer than the 1900s. The biggest change is in March (+1.8°).
A smaller shift than in 98% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Wann compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Wann’s place among Oklahoma’s.
Wann weather by month
Highs, lows and precipitation from NOAA’s grid at Wann’s center; snow, wet days and snow on the ground from Wann, OK. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 46° | 25° | 1.5" | 2.4" | 5 | 30° – 45° |
| February | 51° | 29° | 1.8" | 1.3" | 5 | 33° – 48° |
| March | 61° | 38° | 3.0" | 1.6" | 8 | 43° – 60° |
| April | 70° | 47° | 4.5" | 0.0" | 8 | 52° – 64° |
| May | 78° | 57° | 6.4" | 0.0" | 9 | 63° – 74° |
| June | 86° | 66° | 5.5" | 0.0" | 9 | 72° – 81° |
| July | 92° | 70° | 3.7" | 0.0" | 6 | 76° – 88° |
| August | 91° | 69° | 3.7" | 0.0" | 5 | 73° – 85° |
| September | 83° | 60° | 3.8" | 0.0" | 6 | 67° – 79° |
| October | 72° | 48° | 3.8" | 0.0" | 7 | 54° – 65° |
| November | 59° | 37° | 2.5" | 0.5" | 5 | 42° – 56° |
| December | 48° | 28° | 2.0" | 3.5" | 5 | 25° – 43° |
| Year | 70° | 48° | 42.2" | 9.3" | 78 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 25° to 43°. June is the most reliable, staying within 9°.
Where Wann’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Wann’s center.
- Snow: Wann, OK (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Coffeyville Wtr Wks, KS, 14 miles from the town’s center, 130 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Wann’s climate
What is the weather like in Wann?
A typical July afternoon reaches 92°, a January night drops to 25°, and about 9 inches of snow falls in a normal winter. Milder January nights than 63% of U.S. towns; hotter July afternoons than 85% of U.S. towns.
How cold does it get in Wann in winter?
January nights average 25°. About 94 nights a year reach 32° or below and 1 reach 0° or below. In the coldest January of the last 30 years the month averaged 30°.
How much snow does Wann get?
About 9.3 inches in a normal winter at Wann, OK, most of it in December.
How hot does it get in Wann?
July, with a typical high of 92° and a low of 70°. About 54 days a year reach 90° and 6 reach 100° (Coffeyville Wtr Wks, KS).
When is the first and last frost in Wann?
In half of years the last spring frost (32°) comes by April 6 and the first fall frost by November 1, about 208 frost-free days, at Coffeyville Wtr Wks, KS.
What growing zone is Wann in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 2°.
What is the best time of year to visit Wann?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Wann getting warmer?
Yes: 1991–2020 averaged 0.5° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 98% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Wann.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.