Photo: Adm58 at English Wikipedia · Public domainJanuary in Kellogg bites harder than in 91% of U.S. towns
On a normal July day the thermometer tops out near 84°. Precipitation is light here, less than falls on 72% of U.S. towns. December has warmed most since 1901–2000, part of a 0.8° rise. Radiators earn their keep from November to April, the months that average under 50°.
A year in Kellogg at a glance
Each month’s typical high and low, and what it brings.
What stands out about Kellogg’s climate
Compared with towns across the U.S., with Kellogg’s place in Iowa beside it.
What a year in Kellogg feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 174 frost-free days a year
In half of years the last 32° night comes by April 22 and the first by October 17. Frost and day counts come from NOAA’s station at Newton, IA, 6 miles from the town’s center, at about the same height.
The 2023 USDA map puts Kellogg’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −14°. 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 29 inches of snow a winter
Snow, measured at Newton, IA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 37 inches a year; June is the wettest month and January the driest. Rain or snow falls on about 98 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Kellogg
89% 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 Newton, IA.
Living with Kellogg’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
174 frost-free days in zone 5b. The last frost comes by Apr 22 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 17.
Months with highs of 62–84° and lows of 40° or more: May, June, August, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Kellogg from natural hazards, drought is the largest share (38%); heat waves, cold waves, winter storms and ice storms together are 8%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Kellogg and similar climates
TownRatings has no climate map of the towns around Kellogg yet.
Climates most like Kellogg’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 |
|---|---|---|---|---|
| Kellogg, IA | 12° | 84° | 37" | 29" |
| Rochelle, IL | 13° | 83° | 38" | 28" |
| Beloit, WI | 13° | 83° | 37" | 37" |
| Blair, NE | 14° | 85° | 32" | 32" |
| Winona, MN | 8° | 83° | 36" | 38" |
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 Kellogg averaged 0.8° warmer than the 1900s. The biggest change is in December (+2.4°).
A smaller shift than in 91% 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 Kellogg compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Kellogg’s place among Iowa’s.
Kellogg weather by month
Highs, lows and precipitation from NOAA’s grid at Kellogg’s center; snow, wet days and snow on the ground from Newton, IA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 29° | 12° | 0.9" | 9.2" | 6 | 11° – 33° |
| February | 34° | 16° | 1.2" | 6.0" | 6 | 13° – 36° |
| March | 47° | 27° | 2.0" | 4.5" | 8 | 29° – 52° |
| April | 61° | 38° | 3.8" | 0.8" | 10 | 40° – 56° |
| May | 71° | 49° | 5.0" | 0.0" | 12 | 54° – 68° |
| June | 81° | 60° | 5.4" | 0.0" | 11 | 67° – 74° |
| July | 84° | 63° | 4.2" | 0.0" | 8 | 68° – 80° |
| August | 82° | 61° | 4.3" | 0.0" | 9 | 66° – 77° |
| September | 76° | 52° | 3.6" | 0.0" | 7 | 58° – 69° |
| October | 63° | 40° | 2.8" | 0.3" | 8 | 46° – 57° |
| November | 47° | 29° | 2.0" | 1.6" | 6 | 30° – 49° |
| December | 34° | 18° | 1.4" | 6.3" | 7 | 11° – 35° |
| Year | 59° | 39° | 36.7" | 28.7" | 98 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 11° to 35°. June is the most reliable, staying within 7°.
Where Kellogg’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 Kellogg’s center.
- Snow: Newton, IA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Newton, IA, 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 Kellogg’s climate
What is the weather like in Kellogg?
A typical July afternoon reaches 84°, a January night drops to 12°, and about 29 inches of snow falls in a normal winter. Colder January nights than 91% of U.S. towns; cooler July afternoons than 58% of U.S. towns.
How cold does it get in Kellogg in winter?
January nights average 12°. About 142 nights a year reach 32° or below and 17 reach 0° or below. In the coldest January of the last 30 years the month averaged 11°.
How much snow does Kellogg get?
About 29 inches in a normal winter at Newton, IA, most of it in January.
How hot does it get in Kellogg?
July, with a typical high of 84° and a low of 63°. About 21 days a year reach 90° (Newton, IA).
When is the first and last frost in Kellogg?
In half of years the last spring frost (32°) comes by April 22 and the first fall frost by October 17, about 174 frost-free days, at Newton, IA.
What growing zone is Kellogg in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −14°.
What is the best time of year to visit Kellogg?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Kellogg getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 91% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Kellogg.
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.