For weather, Easton is about as ordinary as U.S. towns get
In January the night’s low is typically 18°. A year here swings 70° from midwinter lows to midsummer highs. Winter nights are cold: in January they are colder than in 71% of U.S. towns. Seedlings are safe outdoors from about April 17, with the first autumn frost due around October 19.
A year in Easton at a glance
Each month’s typical high and low, and what it brings.
What stands out about Easton’s climate
Compared with towns across the U.S., with Easton’s place in Missouri beside it.
What a year in Easton feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 184 frost-free days a year
In half of years the last 32° night comes by April 17 and the first by October 19. Frost and day counts come from NOAA’s station at Cosby 2w, MO, 10 miles from the town’s center, at about the same height.
The 2023 USDA map puts Easton’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −8°. 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 21 inches of snow a winter
Snow, measured at Amity 4 Ne, MO, falls mostly in January, February and December. Precipitation (rain plus melted snow) adds up to 38 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 92 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Easton
83% 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 Cosby 2w, MO.
Living with Easton’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
184 frost-free days in zone 6a. The last frost comes by Apr 17 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, June, September and October. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Easton from natural hazards, river flooding is the largest share (48%); heat waves, cold waves, winter storms and ice storms together are 15%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Easton and similar climates
TownRatings has no climate map of the towns around Easton yet.
Climates most like Easton’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 |
|---|---|---|---|---|
| Easton, MO | 18° | 88° | 38" | 21" |
| Quincy, IL | 19° | 87° | 39" | 17" |
| Keokuk, IA | 18° | 86° | 40" | 23" |
| Martinsburg, WV | 23° | 87° | 40" | 23" |
| Strasburg, VA | 23° | 87° | 39" | 21" |
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 Easton averaged 0.8° warmer than the 1900s. The biggest change is in December (+2.2°).
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 Easton compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Easton’s place among Missouri’s.
Easton weather by month
Highs, lows and precipitation from NOAA’s grid at Easton’s center; snow, wet days and snow on the ground from Amity 4 Ne, MO. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 37° | 18° | 1.0" | 5.3" | 5 | 20° – 39° |
| February | 42° | 22° | 1.3" | 5.6" | 5 | 22° – 42° |
| March | 54° | 32° | 2.2" | 2.0" | 8 | 36° – 58° |
| April | 65° | 42° | 3.8" | 0.5" | 10 | 45° – 59° |
| May | 75° | 53° | 5.1" | 0.0" | 11 | 58° – 73° |
| June | 84° | 63° | 4.9" | 0.0" | 10 | 70° – 77° |
| July | 88° | 67° | 4.9" | 0.0" | 9 | 72° – 83° |
| August | 86° | 64° | 4.0" | 0.0" | 8 | 69° – 81° |
| September | 79° | 56° | 3.8" | 0.0" | 7 | 61° – 73° |
| October | 67° | 43° | 3.1" | 0.3" | 8 | 49° – 60° |
| November | 53° | 32° | 2.1" | 1.5" | 6 | 34° – 51° |
| December | 41° | 22° | 1.6" | 5.5" | 5 | 18° – 39° |
| Year | 64° | 43° | 37.7" | 20.7" | 92 |
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 58°. June is the most reliable, staying within 8°.
Where Easton’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 Easton’s center.
- Snow: Amity 4 Ne, MO.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Cosby 2w, MO, 10 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 Easton’s climate
What is the weather like in Easton?
A typical July afternoon reaches 88°, a January night drops to 18°, and about 21 inches of snow falls in a normal winter. Colder January nights than 71% of U.S. towns; hotter July afternoons than 65% of U.S. towns.
How cold does it get in Easton in winter?
January nights average 18°. About 130 nights a year reach 32° or below and 9 reach 0° or below. In the coldest January of the last 30 years the month averaged 20°.
How much snow does Easton get?
About 21 inches in a normal winter at Amity 4 Ne, MO, most of it in January, February and December.
How hot does it get in Easton?
July, with a typical high of 88° and a low of 67°. About 33 days a year reach 90° and 2 reach 100° (Cosby 2w, MO).
When is the first and last frost in Easton?
In half of years the last spring frost (32°) comes by April 17 and the first fall frost by October 19, about 184 frost-free days, at Cosby 2w, MO.
What growing zone is Easton in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −8°.
What is the best time of year to visit Easton?
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 Easton 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 Easton.
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.