Emminger, Corson, Round Barn · Photo: JERRYE AND ROY KLOTZ MD · CC BY-SA 3.0Sheridan Township sits near the bottom of U.S. towns for winter warmth
July afternoons average 81°. Rain follows the seasons: June brings about 7.2 times as much as January. It is a dry place: less rain and snow fall here than on 87% of U.S. towns. Radiators earn their keep from October to April, the months that average under 50°.
A year in Sheridan Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Sheridan Township’s climate
Compared with towns across the U.S., with Sheridan Township’s place in South Dakota beside it.
What a year in Sheridan Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 145 frost-free days a year
In half of years the last 32° night comes by May 7 and the first by September 30. Frost and day counts come from NOAA’s station at Watertown Rgnl Airport, 6 miles from the town’s center, at about the same height.
The 2023 USDA map puts Sheridan Township’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −24°. 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 41 inches of snow a winter
Snow, measured at Watertown Rgnl Airport, falls mostly in February and December. Precipitation (rain plus melted snow) adds up to 25 inches a year; June is the wettest month and January the driest. Rain or snow falls on about 96 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Sheridan Township
94% of the work is heating, so the furnace matters far more than the air conditioner. 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 Watertown Rgnl Airport.
Living with Sheridan Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
145 frost-free days in zone 4b. The last frost comes by May 7 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 30.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 6.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Sheridan Township from natural hazards, river flooding is the largest share (54%); heat waves, cold waves, winter storms and ice storms together are 22%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Sheridan Township and its neighbors
Every town next door is within a degree of Sheridan Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Sheridan Township’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 |
|---|---|---|---|---|
| Sheridan Township, SD | 2° | 81° | 25" | 41" |
| Baxter, MN | 1° | 80° | 29" | 48" |
| Jamestown, ND | 1° | 82° | 21" | 46" |
| Kingsford, MI | 5° | 80° | 29" | 61" |
| Rice Lake, WI | 3° | 80° | 33" | 53" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Sheridan Township averaged 1.1° warmer than the 1900s. The biggest change is in January (+3.0°).
A smaller shift than in 71% 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 Sheridan Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Sheridan Township’s place among South Dakota’s.
Sheridan Township weather by month
Highs, lows and precipitation from NOAA’s grid at Sheridan Township’s center; snow, wet days and snow on the ground from Watertown Rgnl Airport. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 21° | 2° | 0.6" | 6.7" | 6 | 26 | −1° – 25° |
| February | 26° | 6° | 0.6" | 8.9" | 6 | 21 | 3° – 28° |
| March | 39° | 19° | 1.2" | 5.4" | 7 | 15 | 19° – 43° |
| April | 54° | 31° | 2.3" | 5.2" | 9 | 4 | 33° – 50° |
| May | 67° | 44° | 3.2" | 0.1" | 11 | 0 | 50° – 62° |
| June | 76° | 55° | 4.1" | 0.0" | 11 | 0 | 60° – 70° |
| July | 81° | 59° | 3.5" | 0.0" | 10 | 0 | 62° – 76° |
| August | 79° | 57° | 3.1" | 0.0" | 9 | 0 | 62° – 72° |
| September | 71° | 47° | 2.7" | 0.0" | 9 | 0 | 53° – 64° |
| October | 56° | 34° | 2.1" | 1.4" | 8 | 1 | 37° – 50° |
| November | 40° | 21° | 0.9" | 4.5" | 5 | 5 | 19° – 40° |
| December | 26° | 9° | 0.7" | 8.9" | 6 | 22 | 4° – 25° |
| Year | 53° | 32° | 24.9" | 41.1" | 96 | 93 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from -1° to 25°. June is the most reliable, staying within 10°.
Where Sheridan Township’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 Sheridan Township’s center.
- Snow: Watertown Rgnl Airport.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Watertown Rgnl Airport, 6 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 Sheridan Township’s climate
What is the weather like in Sheridan Township?
A typical July afternoon reaches 81°, a January night drops to 2°, and about 41 inches of snow falls in a normal winter. Colder January nights than all but 87 U.S. towns; cooler July afternoons than 87% of U.S. towns.
How cold does it get in Sheridan Township in winter?
January nights average 2°. About 174 nights a year reach 32° or below and 35 reach 0° or below. In the coldest January of the last 30 years the month averaged −1°.
How much snow does Sheridan Township get?
About 41 inches in a normal winter at Watertown Rgnl Airport, most of it in February and December, with snow on the ground about 93 days a year.
How hot does it get in Sheridan Township?
July, with a typical high of 81° and a low of 59°. About 9 days a year reach 90° (Watertown Rgnl Airport).
When is the first and last frost in Sheridan Township?
In half of years the last spring frost (32°) comes by May 7 and the first fall frost by September 30, about 145 frost-free days, at Watertown Rgnl Airport.
What growing zone is Sheridan Township in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −24°.
What is the best time of year to visit Sheridan Township?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Sheridan Township getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 71% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Sheridan Township.
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.