Photo: kennethaw88 · CC BY 4.0Tecumseh reaches 100° on about 12 days a year, more than 92% of U.S. towns
Midwinter brings lows of about 28°. From frosty January to warm July, readings climb 66°. In January, nights here are milder than in 69% of U.S. towns. The frost-free window for a garden runs roughly March 30 to November 5.
A year in Tecumseh at a glance
Each month’s typical high and low, and what it brings.
What stands out about Tecumseh’s climate
Compared with towns across the U.S., with Tecumseh’s place in Oklahoma beside it.
What a year in Tecumseh feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 221 frost-free days a year
In half of years the last 32° night comes by March 30 and the first by November 5. Frost and day counts come from NOAA’s station at Shawnee 3nnw Mesonet, OK, 7 miles from the town’s center, at about the same height.
The 2023 USDA map puts Tecumseh’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 8°. 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 1 inches of snow a winter
Snow, measured at Tecumseh, OK, falls mostly in February. Precipitation (rain plus melted snow) adds up to 40 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 50 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Tecumseh
63% 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 Shawnee 3nnw Mesonet, OK.
Living with Tecumseh’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
221 frost-free days in zone 7b. The last frost comes by Mar 30 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 5.
Months with highs of 62–84° and lows of 40° or more: March, April, May and October. 3.4 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Tecumseh from natural hazards, tornadoes are the largest share (31%); heat waves, cold waves, winter storms and ice storms together are 21%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Tecumseh and similar climates
TownRatings has no climate map of the towns around Tecumseh yet.
Climates most like Tecumseh’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 |
|---|---|---|---|---|
| Tecumseh, OK | 28° | 93° | 40" | 1.4" |
| Clearlake, CA | 35° | 93° | 40" | 0.4" |
| Lancaster, SC | 31° | 91° | 43" | 2.6" |
| Monroe, NC | 31° | 91° | 43" | 2.1" |
| Josephine, TX | 35° | 94° | 42" | 0.4" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
About as warm as it used to be
The last 30 years in Tecumseh averaged 0.3° warmer than the 1900s. The biggest change is in March (+1.8°).
A smaller shift than in all but 47 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 Tecumseh compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Tecumseh’s place among Oklahoma’s.
Tecumseh weather by month
Highs, lows and precipitation from NOAA’s grid at Tecumseh’s center; snow, wet days and snow on the ground from Tecumseh, OK. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 51° | 28° | 1.5" | 0.1" | 3 | 0 | 34° – 48° |
| February | 55° | 32° | 1.8" | 0.5" | 3 | 0 | 37° – 53° |
| March | 64° | 41° | 2.9" | 0.0" | 5 | 0 | 46° – 61° |
| April | 73° | 48° | 3.9" | 0.0" | 5 | 0 | 55° – 67° |
| May | 80° | 58° | 5.4" | 0.0" | 6 | 0 | 66° – 75° |
| June | 88° | 67° | 4.8" | 0.0" | 5 | 0 | 73° – 83° |
| July | 93° | 71° | 3.8" | 0.0" | 4 | 0 | 78° – 89° |
| August | 93° | 69° | 3.4" | 0.0" | 4 | 0 | 74° – 89° |
| September | 85° | 62° | 4.1" | 0.0" | 4 | 0 | 69° – 81° |
| October | 74° | 50° | 3.5" | 0.0" | 4 | 0 | 55° – 68° |
| November | 62° | 39° | 2.3" | 0.4" | 4 | 0 | 44° – 58° |
| December | 52° | 31° | 2.1" | 0.4" | 3 | 0 | 32° – 46° |
| Year | 73° | 49° | 39.6" | 1.4" | 50 | 1 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 37° to 53°. May is the most reliable, staying within 9°.
Where Tecumseh’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 Tecumseh’s center.
- Snow: Tecumseh, OK (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Shawnee 3nnw Mesonet, OK, 7 miles from the town’s center, at about the same height; 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 Tecumseh’s climate
What is the weather like in Tecumseh?
A typical July afternoon reaches 93°, a January night drops to 28°, and about 1 inches of snow falls in a normal winter. Milder January nights than 69% of U.S. towns; hotter July afternoons than 92% of U.S. towns.
How cold does it get in Tecumseh in winter?
January nights average 28°. About 68 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 34°.
How much snow does Tecumseh get?
About 1.4 inches in a normal winter at Tecumseh, OK, most of it in February, with snow on the ground about 1 days a year.
How hot does it get in Tecumseh?
July, with a typical high of 93° and a low of 71°. About 74 days a year reach 90° and 12 reach 100° (Shawnee 3nnw Mesonet, OK).
When is the first and last frost in Tecumseh?
In half of years the last spring frost (32°) comes by March 30 and the first fall frost by November 5, about 221 frost-free days, at Shawnee 3nnw Mesonet, OK.
What growing zone is Tecumseh in?
Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 8°.
What is the best time of year to visit Tecumseh?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Tecumseh getting warmer?
Yes: 1991–2020 averaged 0.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than all but 47 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Tecumseh.
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.