January in Mosher Township bites harder than in 91% of U.S. towns
Expect July afternoons of about 89°. Precipitation is light here, less than falls on 89% of U.S. towns. Compared with 1901–2000, the average now sits 1.2° higher. The frost-free window for a garden runs roughly May 10 to October 1.
A year in Mosher Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Mosher Township’s climate
Compared with towns across the U.S., with Mosher Township’s place in South Dakota beside it.
What a year in Mosher Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 143 frost-free days a year
In half of years the last 32° night comes by May 10 and the first by October 1. Frost and day counts come from NOAA’s station at Wood, SD, 11 miles from the town’s center, at about the same height.
The 2023 USDA map puts Mosher Township’s center in zone 5a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −18°. 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 50 inches of snow a winter
Snow, measured at Wood, SD, falls mostly in February, March, April and December. Precipitation (rain plus melted snow) adds up to 21 inches a year; June is the wettest month and January the driest. Rain or snow falls on about 89 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Mosher Township
90% 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 Wood, SD.
Living with Mosher Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
143 frost-free days in zone 5a. The last frost comes by May 10 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 1.
Months with highs of 62–84° and lows of 40° or more: May, June and September. 15 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Mosher Township from natural hazards, river flooding is the largest share (35%); heat waves, cold waves, winter storms and ice storms together are 29%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Mosher Township and its neighbors
Every town next door is within a degree of Mosher Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Mosher 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 |
|---|---|---|---|---|
| Mosher Township, SD | 12° | 89° | 21" | 50" |
| Providence, UT | 15° | 89° | 19" | 44" |
| Alliance, NE | 13° | 88° | 17" | 45" |
| Preston, ID | 14° | 89° | 15" | 52" |
| Longmont, CO | 16° | 90° | 16" | 47" |
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 Mosher Township averaged 1.2° warmer than the 1900s. The biggest change is in January (+3.8°).
A smaller shift than in 65% 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 Mosher Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Mosher Township’s place among South Dakota’s.
Mosher Township weather by month
Highs, lows and precipitation from NOAA’s grid at Mosher Township’s center; snow, wet days and snow on the ground from Wood, SD. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 34° | 12° | 0.4" | 7.1" | 5 | 16 | 15° – 37° |
| February | 38° | 15° | 0.6" | 8.4" | 6 | 12 | 12° – 37° |
| March | 49° | 24° | 1.1" | 9.2" | 7 | 8 | 24° – 50° |
| April | 59° | 33° | 2.5" | 8.6" | 10 | 4 | 38° – 52° |
| May | 70° | 45° | 3.5" | 0.0" | 11 | 0 | 52° – 64° |
| June | 81° | 55° | 3.7" | 0.0" | 11 | 0 | 63° – 73° |
| July | 89° | 61° | 2.6" | 0.0" | 9 | 0 | 66° – 81° |
| August | 87° | 59° | 2.4" | 0.0" | 8 | 0 | 67° – 77° |
| September | 78° | 50° | 1.9" | 0.0" | 6 | 0 | 57° – 70° |
| October | 63° | 36° | 1.6" | 2.1" | 7 | 1 | 41° – 56° |
| November | 48° | 24° | 0.7" | 6.5" | 5 | 7 | 25° – 45° |
| December | 36° | 15° | 0.5" | 8.4" | 5 | 16 | 15° – 32° |
| Year | 61° | 36° | 21.4" | 50.3" | 89 | 64 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 24° to 50°. June is the most reliable, staying within 10°.
Where Mosher 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 Mosher Township’s center.
- Snow: Wood, SD.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Wood, SD, 11 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 Mosher Township’s climate
What is the weather like in Mosher Township?
A typical July afternoon reaches 89°, a January night drops to 12°, and about 50 inches of snow falls in a normal winter. Colder January nights than 91% of U.S. towns; hotter July afternoons than 71% of U.S. towns.
How cold does it get in Mosher Township in winter?
January nights average 12°. About 167 nights a year reach 32° or below and 20 reach 0° or below. In the coldest January of the last 30 years the month averaged 15°.
How much snow does Mosher Township get?
About 50 inches in a normal winter at Wood, SD, most of it in February, March, April and December, with snow on the ground about 64 days a year.
How hot does it get in Mosher Township?
July, with a typical high of 89° and a low of 61°. About 34 days a year reach 90° and 4 reach 100° (Wood, SD).
When is the first and last frost in Mosher Township?
In half of years the last spring frost (32°) comes by May 10 and the first fall frost by October 1, about 143 frost-free days, at Wood, SD.
What growing zone is Mosher Township in?
Zone 5a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −18°.
What is the best time of year to visit Mosher Township?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Mosher Township getting warmer?
Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 65% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Mosher 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.