Evangelical Lutheran School · Photo: SharonPapierdreams · CC BY-SA 4.0Sylvan Grove reaches 100° on about 11 days a year, more than 91% of U.S. towns
Midwinter brings lows of about 18°. May is the wettest month, January the driest. Precipitation is light here, less than falls on 87% of U.S. towns. The frost-free window for a garden runs roughly April 21 to October 17.
A year in Sylvan Grove at a glance
Each month’s typical high and low, and what it brings.
What stands out about Sylvan Grove’s climate
Compared with towns across the U.S., with Sylvan Grove’s place in Kansas beside it.
What a year in Sylvan Grove feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 179 frost-free days a year
In half of years the last 32° night comes by April 21 and the first by October 17. Frost and day counts come from NOAA’s station at Wilson Lake, KS, 6 miles from the town’s center, at about the same height.
The 2023 USDA map puts Sylvan Grove’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −4°. 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 13 inches of snow a winter
Snow, measured at Sylvan Grove 1ne, KS, falls mostly in February. Precipitation (rain plus melted snow) adds up to 27 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 53 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Sylvan Grove
78% 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 Wilson Lake, KS.
Living with Sylvan Grove’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
179 frost-free days in zone 6b. The last frost comes by Apr 21 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: April, May, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Sylvan Grove from natural hazards, river flooding is the largest share (34%); heat waves, cold waves, winter storms and ice storms together are 15%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Sylvan Grove and similar climates
TownRatings has no climate map of the towns around Sylvan Grove yet.
Climates most like Sylvan Grove’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 |
|---|---|---|---|---|
| Sylvan Grove, KS | 18° | 93° | 27" | 13" |
| Woodward, OK | 22° | 95° | 26" | 15" |
| Perryton, TX | 22° | 94° | 21" | 14" |
| Ogden, UT | 20° | 92° | 20" | 23" |
| Clovis, NM | 24° | 91° | 17" | 13" |
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 Sylvan Grove averaged 0.9° warmer than the 1900s. The biggest change is in January (+2.7°).
A smaller shift than in 84% 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 Sylvan Grove compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Sylvan Grove’s place among Kansas’.
Sylvan Grove weather by month
Highs, lows and precipitation from NOAA’s grid at Sylvan Grove’s center; snow, wet days and snow on the ground from Sylvan Grove 1ne, KS. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 42° | 18° | 0.7" | 2.8" | 2 | 23° – 41° |
| February | 47° | 21° | 0.9" | 4.9" | 3 | 25° – 43° |
| March | 58° | 31° | 1.4" | 0.4" | 4 | 36° – 55° |
| April | 67° | 40° | 2.3" | 0.4" | 6 | 47° – 59° |
| May | 77° | 51° | 4.4" | 0.0" | 8 | 57° – 71° |
| June | 88° | 62° | 3.7" | 0.0" | 6 | 69° – 80° |
| July | 93° | 67° | 4.0" | 0.0" | 6 | 76° – 87° |
| August | 90° | 65° | 3.6" | 0.0" | 7 | 71° – 84° |
| September | 82° | 56° | 2.3" | 0.0" | 4 | 64° – 76° |
| October | 70° | 43° | 1.8" | 0.0" | 4 | 49° – 61° |
| November | 55° | 30° | 1.1" | 1.0" | 2 | 35° – 50° |
| December | 44° | 21° | 1.0" | 3.4" | 3 | 22° – 37° |
| Year | 68° | 42° | 27.2" | 12.9" | 53 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 36° to 55°. July is the most reliable, staying within 11°.
Where Sylvan Grove’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 Sylvan Grove’s center.
- Snow: Sylvan Grove 1ne, KS (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Wilson Lake, KS, 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 Sylvan Grove’s climate
What is the weather like in Sylvan Grove?
A typical July afternoon reaches 93°, a January night drops to 18°, and about 13 inches of snow falls in a normal winter. Colder January nights than 68% of U.S. towns; hotter July afternoons than 91% of U.S. towns.
How cold does it get in Sylvan Grove in winter?
January nights average 18°. About 128 nights a year reach 32° or below and 3 reach 0° or below. In the coldest January of the last 30 years the month averaged 23°.
How much snow does Sylvan Grove get?
About 13 inches in a normal winter at Sylvan Grove 1ne, KS, most of it in February.
How hot does it get in Sylvan Grove?
July, with a typical high of 93° and a low of 67°. About 62 days a year reach 90° and 11 reach 100° (Wilson Lake, KS).
When is the first and last frost in Sylvan Grove?
In half of years the last spring frost (32°) comes by April 21 and the first fall frost by October 17, about 179 frost-free days, at Wilson Lake, KS.
What growing zone is Sylvan Grove in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −4°.
What is the best time of year to visit Sylvan Grove?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Sylvan Grove getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 84% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Sylvan Grove.
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.