Lewis Township is drier than 86% of U.S. towns: 28 inches of precipitation a year
Nights in January average 15°. May is the wettest month, January the driest. Its January nights bite harder than in 84% of U.S. towns. Tender plants can go out after about April 19; in half of years the first frost comes by October 20.
A year in Lewis Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Lewis Township’s climate
Compared with towns across the U.S., with Lewis Township’s place in Nebraska beside it.
What a year in Lewis Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 181 frost-free days a year
In half of years the last 32° night comes by April 19 and the first by October 20. Frost and day counts come from NOAA’s station at Clay Ctr, NE, 5 miles from the town’s center, at about the same height.
The 2023 USDA map puts Lewis Township’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −10°. 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 23 inches of snow a winter
Snow, measured at Clay Ctr 6 Ese, NE, falls mostly in February. Precipitation (rain plus melted snow) adds up to 28 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 83 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Lewis Township
84% 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 Clay Ctr, NE.
Living with Lewis Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
181 frost-free days in zone 6a. The last frost comes by Apr 19 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 20.
Months with highs of 62–84° and lows of 40° or more: May, June, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Lewis Township from natural hazards, hail is the largest share (40%); heat waves, cold waves, winter storms and ice storms together are 3%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Lewis Township and its neighbors
Every town next door is within a degree of Lewis Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Lewis 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 |
|---|---|---|---|---|
| Lewis Township, NE | 15° | 87° | 28" | 23" |
| Sergeant Bluff, IA | 11° | 86° | 30" | 36" |
| Yankton, SD | 10° | 86° | 28" | 38" |
| St. Joseph, MO | 18° | 87° | 37" | 21" |
| Chillicothe, IL | 16° | 86° | 37" | 20" |
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 Lewis Township averaged 1.1° warmer than the 1900s. The biggest change is in January (+2.8°).
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 Lewis Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Lewis Township’s place among Nebraska’s.
Lewis Township weather by month
Highs, lows and precipitation from NOAA’s grid at Lewis Township’s center; snow, wet days and snow on the ground from Clay Ctr 6 Ese, NE. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 36° | 15° | 0.7" | 5.4" | 4 | 13 | 18° – 38° |
| February | 40° | 19° | 0.8" | 6.6" | 5 | 12 | 20° – 39° |
| March | 52° | 28° | 1.3" | 2.9" | 7 | 4 | 32° – 54° |
| April | 63° | 38° | 2.5" | 1.3" | 8 | 1 | 43° – 57° |
| May | 73° | 49° | 4.7" | 0.0" | 11 | 0 | 55° – 67° |
| June | 84° | 60° | 3.9" | 0.0" | 9 | 0 | 67° – 77° |
| July | 87° | 65° | 3.8" | 0.0" | 8 | 0 | 71° – 81° |
| August | 85° | 63° | 3.7" | 0.0" | 8 | 0 | 69° – 78° |
| September | 79° | 53° | 2.4" | 0.0" | 7 | 0 | 60° – 72° |
| October | 66° | 40° | 2.2" | 1.1" | 7 | 1 | 45° – 58° |
| November | 51° | 28° | 1.3" | 1.8" | 5 | 2 | 31° – 48° |
| December | 38° | 19° | 0.9" | 4.1" | 5 | 8 | 17° – 33° |
| Year | 63° | 40° | 28.2" | 23.2" | 83 | 40 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 32° to 54°. August is the most reliable, staying within 9°.
Where Lewis 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 Lewis Township’s center.
- Snow: Clay Ctr 6 Ese, NE.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Clay Ctr, NE, 5 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 Lewis Township’s climate
What is the weather like in Lewis Township?
A typical July afternoon reaches 87°, a January night drops to 15°, and about 23 inches of snow falls in a normal winter. Colder January nights than 84% of U.S. towns; hotter July afternoons than 64% of U.S. towns.
How cold does it get in Lewis Township in winter?
January nights average 15°. About 145 nights a year reach 32° or below and 8 reach 0° or below. In the coldest January of the last 30 years the month averaged 18°.
How much snow does Lewis Township get?
About 23 inches in a normal winter at Clay Ctr 6 Ese, NE, most of it in February, with snow on the ground about 40 days a year.
How hot does it get in Lewis Township?
July, with a typical high of 87° and a low of 65°. About 34 days a year reach 90° and 2 reach 100° (Clay Ctr, NE).
When is the first and last frost in Lewis Township?
In half of years the last spring frost (32°) comes by April 19 and the first fall frost by October 20, about 181 frost-free days, at Clay Ctr, NE.
What growing zone is Lewis Township in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −10°.
What is the best time of year to visit Lewis Township?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Lewis 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 Lewis 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.