Photo: Wi7431 · CC BY-SA 4.0Nights turn raw in Saukville each January, colder than in 90% of U.S. towns
Midsummer highs settle at about 81°. Summers stay cool: July afternoons here are cooler than in 88% of U.S. towns. The latest 30-year average runs 1.3° warmer than 1901–2000’s, with December up the most. For walks and days out, the stretch from May to September brings highs of 66–81°.
A year in Saukville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Saukville’s climate
Compared with towns across the U.S., with Saukville’s place in Wisconsin beside it.
What a year in Saukville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 158 frost-free days a year
In half of years the last 32° night comes by May 5 and the first by October 11. Frost and day counts come from NOAA’s station at Saukville Wwtp, WI, 4 miles from the town’s center, at about the same height.
The 2023 USDA map puts Saukville’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −13°. 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 54 inches of snow a winter
Snow, measured at Germantown, WI, is heaviest from January through February, about 16 inches a month. Precipitation (rain plus melted snow) adds up to 33 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 125 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Saukville
96% 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 Saukville Wwtp, WI.
Living with Saukville’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
158 frost-free days in zone 5b. The last frost comes by May 5 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 11.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 15 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Saukville from natural hazards, river flooding is the largest share (56%); heat waves, cold waves, winter storms and ice storms together are 27%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Saukville and its neighbors
Trenton has the coldest January nights next door (12°, 1° colder). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Saukville’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 |
|---|---|---|---|---|
| Saukville, WI | 13° | 81° | 33" | 54" |
| Houghton Lake, MI | 12° | 81° | 33" | 66" |
| Plattsburgh, NY | 9° | 81° | 35" | 50" |
| Colchester, VT | 10° | 81° | 38" | 50" |
| Inver Grove Heights, MN | 7° | 82° | 33" | 51" |
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 Saukville averaged 1.3° warmer than the 1900s. The biggest change is in December (+3.2°).
A smaller shift than in 53% 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 Saukville compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Saukville’s place among Wisconsin’s.
Saukville weather by month
Highs, lows and precipitation from NOAA’s grid at Saukville’s center; snow, wet days and snow on the ground from Germantown, WI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 28° | 13° | 1.5" | 16.5" | 10 | 23 | 9° – 32° |
| February | 31° | 15° | 1.4" | 16.0" | 8 | 19 | 12° – 33° |
| March | 42° | 24° | 1.9" | 6.5" | 9 | 9 | 25° – 47° |
| April | 54° | 34° | 3.6" | 2.0" | 11 | 1 | 35° – 49° |
| May | 66° | 44° | 3.7" | 0.3" | 13 | 0 | 50° – 61° |
| June | 76° | 55° | 4.1" | 0.0" | 12 | 0 | 61° – 70° |
| July | 81° | 60° | 3.6" | 0.0" | 11 | 0 | 65° – 77° |
| August | 79° | 59° | 3.6" | 0.0" | 11 | 0 | 64° – 75° |
| September | 72° | 51° | 3.0" | 0.0" | 10 | 0 | 55° – 66° |
| October | 59° | 40° | 2.7" | 0.3" | 12 | 0 | 45° – 55° |
| November | 45° | 29° | 2.1" | 2.4" | 10 | 3 | 28° – 45° |
| December | 33° | 19° | 1.8" | 10.3" | 9 | 15 | 13° – 36° |
| Year | 55° | 37° | 32.8" | 54.3" | 125 | 70 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 13° to 36°. June is the most reliable, staying within 9°.
Where Saukville’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 Saukville’s center.
- Snow: Germantown, WI.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Saukville Wwtp, WI, 4 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 Saukville’s climate
What is the weather like in Saukville?
A typical July afternoon reaches 81°, a January night drops to 13°, and about 54 inches of snow falls in a normal winter. Colder January nights than 90% of U.S. towns; cooler July afternoons than 88% of U.S. towns.
How cold does it get in Saukville in winter?
January nights average 13°. About 157 nights a year reach 32° or below and 16 reach 0° or below. In the coldest January of the last 30 years the month averaged 9°.
How much snow does Saukville get?
About 54 inches in a normal winter at Germantown, WI, heaviest from January through February, about 16 inches a month, with snow on the ground about 70 days a year.
How hot does it get in Saukville?
July, with a typical high of 81° and a low of 60°. About 3 days a year reach 90° (Saukville Wwtp, WI).
When is the first and last frost in Saukville?
In half of years the last spring frost (32°) comes by May 5 and the first fall frost by October 11, about 158 frost-free days, at Saukville Wwtp, WI.
What growing zone is Saukville in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −13°.
What is the best time of year to visit Saukville?
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 Saukville getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 53% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Saukville.
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.