A middle-of-the-road climate: Grandview is close to most U.S. towns on every count
January nights here settle around 19°. Expect the heaviest rain or snow in May and the lightest in February. Precipitation is light here, less than falls on 66% of U.S. towns. Tender plants can go out after about April 14; in half of years the first frost comes by October 20.
A year in Grandview at a glance
Each month’s typical high and low, and what it brings.
What stands out about Grandview’s climate
Compared with towns across the U.S., with Grandview’s place in Illinois beside it.
What a year in Grandview feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 187 frost-free days a year
In half of years the last 32° night comes by April 14 and the first by October 20. Frost and day counts come from NOAA’s station at Springfield Capital Airport, 4 miles from the town’s center, at about the same height.
The 2023 USDA map puts Grandview’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −7°. 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 22 inches of snow a winter
Snow, measured at Springfield Capital Airport, is heaviest from January through February, about 6 inches a month. Precipitation (rain plus melted snow) adds up to 38 inches a year; May is the wettest month and February the driest. Rain or snow falls on about 115 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Grandview
81% of the work is heating. Months averaging under 55° run from November 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 Springfield Capital Airport.
Living with Grandview’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
187 frost-free days in zone 6a. The last frost comes by Apr 14 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: April, May, June, September and October. 0.0 miles of trails are waiting.
Parks & trails →Cold waves are 24% of the yearly building losses FEMA expects in Grandview from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Grandview and its neighbors
Every town next door is within a degree of Grandview in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Grandview’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 |
|---|---|---|---|---|
| Grandview, IL | 19° | 86° | 38" | 22" |
| Savannah, MO | 18° | 87° | 37" | 21" |
| Huntingdon, PA | 21° | 85° | 40" | 26" |
| Dublin, OH | 21° | 85° | 40" | 24" |
| Peru, IN | 19° | 84° | 40" | 21" |
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 Grandview averaged 0.8° warmer than the 1900s. The biggest change is in December (+2.1°).
A smaller shift than in 88% 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 Grandview compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Grandview’s place among Illinois’.
Grandview weather by month
Highs, lows and precipitation from NOAA’s grid at Grandview’s center; snow, wet days and snow on the ground from Springfield Capital Airport. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 35° | 19° | 2.1" | 6.7" | 10 | 11 | 21° – 39° |
| February | 40° | 23° | 2.0" | 6.1" | 9 | 7 | 19° – 42° |
| March | 52° | 32° | 2.7" | 3.1" | 11 | 2 | 35° – 56° |
| April | 65° | 42° | 4.2" | 0.3" | 12 | 0 | 47° – 60° |
| May | 75° | 53° | 4.5" | 0.0" | 13 | 0 | 59° – 73° |
| June | 83° | 62° | 4.4" | 0.0" | 11 | 0 | 68° – 76° |
| July | 86° | 65° | 3.8" | 0.0" | 9 | 0 | 70° – 82° |
| August | 85° | 63° | 3.5" | 0.0" | 8 | 0 | 69° – 79° |
| September | 79° | 55° | 3.0" | 0.0" | 7 | 0 | 62° – 72° |
| October | 67° | 44° | 3.2" | 0.1" | 9 | 0 | 51° – 61° |
| November | 52° | 34° | 3.0" | 1.2" | 9 | 1 | 35° – 50° |
| December | 40° | 25° | 2.1" | 4.3" | 9 | 6 | 18° – 42° |
| Year | 63° | 43° | 38.4" | 21.8" | 115 | 27 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 18° to 42°. June is the most reliable, staying within 8°.
Where Grandview’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 Grandview’s center.
- Snow: Springfield Capital Airport.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Springfield Capital Airport, 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 Grandview’s climate
What is the weather like in Grandview?
A typical July afternoon reaches 86°, a January night drops to 19°, and about 22 inches of snow falls in a normal winter. Colder January nights than 63% of U.S. towns; hotter July afternoons than 55% of U.S. towns.
How cold does it get in Grandview in winter?
January nights average 19°. About 111 nights a year reach 32° or below and 5 reach 0° or below. In the coldest January of the last 30 years the month averaged 21°.
How much snow does Grandview get?
About 22 inches in a normal winter at Springfield Capital Airport, heaviest from January through February, about 6 inches a month, with snow on the ground about 27 days a year.
How hot does it get in Grandview?
July, with a typical high of 86° and a low of 65°. About 28 days a year reach 90° (Springfield Capital Airport).
When is the first and last frost in Grandview?
In half of years the last spring frost (32°) comes by April 14 and the first fall frost by October 20, about 187 frost-free days, at Springfield Capital Airport.
What growing zone is Grandview in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −7°.
What is the best time of year to visit Grandview?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Grandview getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 88% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Grandview.
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.