Towner reaches 100° on about 14 days a year, more than 93% of U.S. towns
Deep winter brings January lows near 17°. Expect the heaviest rain or snow in July and the lightest in January. Precipitation is light here, less than falls on 91% of U.S. towns. Picnics, hikes and garden evenings suit May and September, with highs of 75–82°.
A year in Towner at a glance
Each month’s typical high and low, and what it brings.
What stands out about Towner’s climate
Compared with towns across the U.S., with Towner’s place in Colorado beside it.
What a year in Towner feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 167 frost-free days a year
In half of years the last 32° night comes by April 28 and the first by October 13. Frost and day counts come from NOAA’s station at Sheridan Lake 4e, CO, 7 miles from the town’s center, 110 ft higher.
The 2023 USDA map puts Towner’s center in zone 6a: 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 22 inches of snow a winter
Snow, measured at Tribune 1w, KS, falls mostly in January, February and December. Precipitation (rain plus melted snow) adds up to 18 inches a year; July is the wettest month and January the driest. Rain or snow falls on about 65 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Towner
85% of the work is heating. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Sheridan Lake 4e, CO.
Living with Towner’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
167 frost-free days in zone 6a. The last frost comes by Apr 28 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 13.
Months with highs of 62–84° and lows of 40° or more: May and September.
Parks & trails →Of the yearly building losses FEMA expects in Towner from natural hazards, drought is the largest share (40%); heat waves, cold waves, winter storms and ice storms together are 7%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Towner and similar climates
TownRatings has no climate map of the towns around Towner yet.
Climates most like Towner’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 |
|---|---|---|---|---|
| Towner, CO | 17° | 91° | 18" | 22" |
| Harrisville, UT | 19° | 92° | 20" | 23" |
| Dalhart, TX | 21° | 92° | 16" | 20" |
| Sidney, NE | 15° | 89° | 17" | 29" |
| Torrington, WY | 14° | 90° | 13" | 31" |
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 Towner averaged 1.3° warmer than the 1900s. The biggest change is in March (+3.2°).
A smaller shift than in 55% 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 Towner compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Towner’s place among Colorado’s.
Towner weather by month
Highs, lows and precipitation from NOAA’s grid at Towner’s center; snow, wet days and snow on the ground from Tribune 1w, KS. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 45° | 17° | 0.3" | 4.2" | 3 | 7 | 19° – 38° |
| February | 48° | 20° | 0.4" | 4.2" | 3 | 6 | 25° – 41° |
| March | 58° | 28° | 0.9" | 3.6" | 5 | 3 | 37° – 50° |
| April | 66° | 36° | 1.6" | 2.1" | 6 | 1 | 45° – 56° |
| May | 75° | 46° | 2.3" | 0.3" | 8 | 0 | 53° – 67° |
| June | 87° | 56° | 2.6" | 0.0" | 8 | 0 | 67° – 77° |
| July | 91° | 62° | 3.3" | 0.0" | 8 | 0 | 72° – 81° |
| August | 88° | 60° | 3.1" | 0.0" | 8 | 0 | 69° – 78° |
| September | 82° | 51° | 1.2" | 0.1" | 5 | 0 | 61° – 72° |
| October | 68° | 38° | 1.3" | 1.3" | 5 | 1 | 46° – 59° |
| November | 55° | 26° | 0.5" | 2.1" | 3 | 2 | 33° – 47° |
| December | 45° | 18° | 0.4" | 3.8" | 3 | 6 | 24° – 35° |
| Year | 67° | 38° | 17.9" | 21.7" | 65 | 25 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 19° to 38°. August is the most reliable, staying within 9°.
Where Towner’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 Towner’s center.
- Snow: Tribune 1w, KS.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Sheridan Lake 4e, CO, 7 miles from the town’s center, 110 ft higher; 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 Towner’s climate
What is the weather like in Towner?
A typical July afternoon reaches 91°, a January night drops to 17°, and about 22 inches of snow falls in a normal winter. Colder January nights than 73% of U.S. towns; hotter July afternoons than 84% of U.S. towns.
How cold does it get in Towner in winter?
January nights average 17°. About 155 nights a year reach 32° or below and 6 reach 0° or below. In the coldest January of the last 30 years the month averaged 19°.
How much snow does Towner get?
About 22 inches in a normal winter at Tribune 1w, KS, most of it in January, February and December, with snow on the ground about 25 days a year.
How hot does it get in Towner?
July, with a typical high of 91° and a low of 62°. About 67 days a year reach 90° and 14 reach 100° (Sheridan Lake 4e, CO).
When is the first and last frost in Towner?
In half of years the last spring frost (32°) comes by April 28 and the first fall frost by October 13, about 167 frost-free days, at Sheridan Lake 4e, CO.
What growing zone is Towner in?
Zone 6a 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 Towner?
By one simple rule (highs of 62–84° and lows of 40° or more), May and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Towner getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 55% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Towner.
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.