Precipitation in Green trails that of 83% of U.S. towns: 33 inches a year
Midsummer highs settle at about 90°. Expect the heaviest rain or snow in May and the lightest in January. In July, afternoons here are warmer than in 78% of U.S. towns. The frost-free window for a garden runs roughly April 19 to October 19.
A year in Green at a glance
Each month’s typical high and low, and what it brings.
What stands out about Green’s climate
Compared with towns across the U.S., with Green’s place in Kansas beside it.
What a year in Green 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 19. Frost and day counts come from NOAA’s station at Clay Ctr, KS, 8 miles from the town’s center, 170 ft lower.
The 2023 USDA map puts Green’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 14 inches of snow a winter
Snow, measured at Randolph 4 Wnw, KS, falls mostly in January. Precipitation (rain plus melted snow) adds up to 33 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 79 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Green
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 Clay Ctr, KS.
Living with Green’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
181 frost-free days in zone 6b. 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 19.
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 Green from natural hazards, river flooding is the largest share (41%); heat waves, cold waves, winter storms and ice storms together are 12%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Green and similar climates
TownRatings has no climate map of the towns around Green yet.
Climates most like Green’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 |
|---|---|---|---|---|
| Green, KS | 18° | 90° | 33" | 14" |
| Trenton, MO | 17° | 88° | 39" | 17" |
| Jacksonville, IL | 19° | 87° | 39" | 16" |
| Ponca City, OK | 24° | 93° | 37" | 7.9" |
| South Ogden, UT | 21° | 91° | 22" | 23" |
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 Green averaged 0.8° warmer than the 1900s. The biggest change is in January (+2.3°).
A smaller shift than in 92% 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 Green compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Green’s place among Kansas’.
Green weather by month
Highs, lows and precipitation from NOAA’s grid at Green’s center; snow, wet days and snow on the ground from Randolph 4 Wnw, KS. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 39° | 18° | 0.7" | 4.6" | 4 | 7 | 23° – 40° |
| February | 44° | 22° | 1.0" | 3.0" | 4 | 4 | 25° – 42° |
| March | 55° | 32° | 1.9" | 1.1" | 6 | 1 | 36° – 56° |
| April | 66° | 41° | 3.0" | 0.5" | 8 | 0 | 46° – 59° |
| May | 75° | 52° | 4.8" | 0.0" | 10 | 0 | 58° – 72° |
| June | 85° | 63° | 4.7" | 0.0" | 9 | 0 | 68° – 79° |
| July | 90° | 67° | 4.5" | 0.0" | 9 | 0 | 74° – 85° |
| August | 88° | 65° | 4.0" | 0.0" | 8 | 0 | 71° – 84° |
| September | 80° | 56° | 2.9" | 0.0" | 7 | 0 | 62° – 76° |
| October | 68° | 44° | 2.4" | 0.1" | 6 | 0 | 48° – 61° |
| November | 53° | 31° | 1.5" | 1.0" | 5 | 1 | 34° – 50° |
| December | 42° | 22° | 1.2" | 3.4" | 4 | 7 | 19° – 36° |
| Year | 65° | 43° | 32.6" | 13.7" | 79 | 20 |
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 56°. July is the most reliable, staying within 10°.
Where Green’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 Green’s center.
- Snow: Randolph 4 Wnw, KS.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Clay Ctr, KS, 8 miles from the town’s center, 170 ft lower; 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 Green’s climate
What is the weather like in Green?
A typical July afternoon reaches 90°, a January night drops to 18°, and about 14 inches of snow falls in a normal winter. Colder January nights than 68% of U.S. towns; hotter July afternoons than 78% of U.S. towns.
How cold does it get in Green in winter?
January nights average 18°. About 121 nights a year reach 32° or below and 4 reach 0° or below. In the coldest January of the last 30 years the month averaged 23°.
How much snow does Green get?
About 14 inches in a normal winter at Randolph 4 Wnw, KS, most of it in January, with snow on the ground about 20 days a year.
How hot does it get in Green?
July, with a typical high of 90° and a low of 67°. About 54 days a year reach 90° and 8 reach 100° (Clay Ctr, KS).
When is the first and last frost in Green?
In half of years the last spring frost (32°) comes by April 19 and the first fall frost by October 19, about 181 frost-free days, at Clay Ctr, KS.
What growing zone is Green 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 Green?
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 Green getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 92% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Green.
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.