Peever Flats sits near the bottom of U.S. towns for winter warmth
In July the day’s top temperature is typically 83°. June is the wettest month here, with about 5.4 times the rain of January. By precipitation alone, it ranks drier than 87% of U.S. towns. The frost-free window for a garden runs roughly May 9 to September 28.
A year in Peever Flats at a glance
Each month’s typical high and low, and what it brings.
What stands out about Peever Flats’ climate
Compared with towns across the U.S., with Peever Flats’ place in South Dakota beside it.
What a year in Peever Flats feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 141 frost-free days a year
In half of years the last 32° night comes by May 9 and the first by September 28. Frost and day counts come from NOAA’s station at Browns Valley, MN, 7 miles from the town’s center, 240 ft lower.
The 2023 USDA map puts Peever Flats’ center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −23°. 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 51 inches of snow a winter
Snow, measured at Wilmot, SD, is heaviest from January through February, about 11 inches a month. 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 84 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Peever Flats
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 Browns Valley, MN.
Living with Peever Flats’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
141 frost-free days in zone 4b. The last frost comes by May 9 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 28.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September.
Parks & trails →Cold waves are 37% of the yearly building losses FEMA expects in Peever Flats from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Peever Flats and similar climates
TownRatings has no climate map of the towns around Peever Flats yet.
Climates most like Peever Flats’, 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 |
|---|---|---|---|---|
| Peever Flats, SD | 3° | 83° | 25" | 51" |
| Grand Forks, ND | −2° | 81° | 22" | 49" |
| Big Lake, MN | 4° | 81° | 31" | 49" |
| Spirit Lake, IA | 7° | 83° | 31" | 42" |
| Kingsford, MI | 5° | 80° | 29" | 61" |
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 Peever Flats averaged 1.1° warmer than the 1900s. The biggest change is in January (+2.8°).
A smaller shift than in 67% 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 Peever Flats compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Peever Flats’ place among South Dakota’s.
Peever Flats weather by month
Highs, lows and precipitation from NOAA’s grid at Peever Flats’ center; snow, wet days and snow on the ground from Wilmot, SD. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 21° | 3° | 0.7" | 10.6" | 5 | 27 | −2° – 25° |
| February | 26° | 7° | 0.7" | 10.6" | 5 | 23 | 3° – 27° |
| March | 39° | 20° | 1.2" | 7.7" | 5 | 17 | 19° – 43° |
| April | 55° | 32° | 2.4" | 6.1" | 7 | 4 | 33° – 51° |
| May | 68° | 45° | 3.0" | 0.0" | 10 | 0 | 52° – 64° |
| June | 78° | 56° | 3.8" | 0.0" | 10 | 0 | 62° – 71° |
| July | 83° | 60° | 3.7" | 0.0" | 9 | 0 | 63° – 77° |
| August | 81° | 57° | 2.6" | 0.0" | 8 | 0 | 64° – 72° |
| September | 73° | 49° | 2.5" | 0.0" | 8 | 0 | 54° – 66° |
| October | 57° | 36° | 2.4" | 1.4" | 7 | 1 | 39° – 51° |
| November | 40° | 22° | 0.9" | 5.7" | 4 | 6 | 18° – 42° |
| December | 26° | 10° | 0.7" | 8.9" | 5 | 19 | 4° – 26° |
| Year | 54° | 33° | 24.6" | 51.0" | 84 | 96 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from -2° to 25°. August is the most reliable, staying within 9°.
Where Peever Flats’ 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 Peever Flats’ center.
- Snow: Wilmot, SD.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Browns Valley, MN, 7 miles from the town’s center, 240 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 Peever Flats’ climate
What is the weather like in Peever Flats?
A typical July afternoon reaches 83°, a January night drops to 3°, and about 51 inches of snow falls in a normal winter. Colder January nights than all but 104 U.S. towns; cooler July afternoons than 76% of U.S. towns.
How cold does it get in Peever Flats in winter?
January nights average 3°. About 179 nights a year reach 32° or below and 41 reach 0° or below. In the coldest January of the last 30 years the month averaged −2°.
How much snow does Peever Flats get?
About 51 inches in a normal winter at Wilmot, SD, heaviest from January through February, about 11 inches a month, with snow on the ground about 96 days a year.
How hot does it get in Peever Flats?
July, with a typical high of 83° and a low of 60°. About 15 days a year reach 90° (Browns Valley, MN).
When is the first and last frost in Peever Flats?
In half of years the last spring frost (32°) comes by May 9 and the first fall frost by September 28, about 141 frost-free days, at Browns Valley, MN.
What growing zone is Peever Flats in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −23°.
What is the best time of year to visit Peever Flats?
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 Peever Flats getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 67% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Peever Flats.
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.