Photo: Kbh3rd · CC BY 4.0For weather, Linneus is about as ordinary as U.S. towns get
In July the day’s top temperature is typically 87°. The wettest month is May; the driest is January. In January, nights here are colder than in 70% of U.S. towns. For walks and days out, the stretch from April to June and September to October brings highs of 64–83°.
A year in Linneus at a glance
Each month’s typical high and low, and what it brings.
What stands out about Linneus’ climate
Compared with towns across the U.S., with Linneus’ place in Missouri beside it.
What a year in Linneus 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 15 and the first by October 20. Frost and day counts come from NOAA’s station at Chillicothe 22 Ene, MO, 2.2 miles from the town’s center, at about the same height.
The 2023 USDA map puts Linneus’ 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 19 inches of snow a winter
Snow, measured at Brookfield, MO, falls mostly in February. Precipitation (rain plus melted snow) adds up to 40 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 110 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Linneus
84% of the work is heating. 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 Chillicothe 22 Ene, MO.
Living with Linneus’ 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 15 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. 0.1 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Linneus from natural hazards, river flooding is the largest share (43%); heat waves, cold waves, winter storms and ice storms together are 15%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Linneus and similar climates
TownRatings has no climate map of the towns around Linneus yet.
Climates most like Linneus’, 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 |
|---|---|---|---|---|
| Linneus, MO | 18° | 87° | 40" | 19" |
| Jacksonville, IL | 19° | 87° | 39" | 16" |
| Terre Haute, IN | 21° | 87° | 43" | 15" |
| Lock Haven, PA | 19° | 86° | 41" | 30" |
| 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 Linneus averaged 0.4° warmer than the 1900s. The biggest change is in December (+1.6°).
A smaller shift than in all but 177 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 Linneus compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Linneus’ place among Missouri’s.
Linneus weather by month
Highs, lows and precipitation from NOAA’s grid at Linneus’ center; snow, wet days and snow on the ground from Brookfield, MO. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 35° | 18° | 1.3" | 4.8" | 7 | 12 | 20° – 37° |
| February | 41° | 22° | 1.7" | 5.9" | 8 | 8 | 20° – 42° |
| March | 53° | 32° | 2.6" | 2.5" | 10 | 2 | 35° – 57° |
| April | 64° | 42° | 3.8" | 0.2" | 12 | 0 | 45° – 59° |
| May | 74° | 53° | 5.3" | 0.0" | 13 | 0 | 58° – 73° |
| June | 83° | 63° | 5.3" | 0.0" | 11 | 0 | 69° – 77° |
| July | 87° | 67° | 4.7" | 0.0" | 10 | 0 | 72° – 84° |
| August | 86° | 64° | 4.1" | 0.0" | 9 | 0 | 69° – 80° |
| September | 78° | 55° | 4.1" | 0.0" | 8 | 0 | 61° – 73° |
| October | 66° | 44° | 3.2" | 0.1" | 9 | 0 | 49° – 62° |
| November | 52° | 33° | 2.3" | 1.2" | 8 | 1 | 34° – 51° |
| December | 40° | 23° | 1.6" | 4.2" | 7 | 8 | 17° – 39° |
| Year | 63° | 43° | 39.9" | 18.9" | 110 | 30 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 17° to 39°. June is the most reliable, staying within 8°.
Where Linneus’ 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 Linneus’ center.
- Snow: Brookfield, MO.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Chillicothe 22 Ene, MO, 2.2 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 Linneus’ climate
What is the weather like in Linneus?
A typical July afternoon reaches 87°, a January night drops to 18°, and about 19 inches of snow falls in a normal winter. Colder January nights than 70% of U.S. towns; hotter July afternoons than 63% of U.S. towns.
How cold does it get in Linneus in winter?
January nights average 18°. About 116 nights a year reach 32° or below and 6 reach 0° or below. In the coldest January of the last 30 years the month averaged 20°.
How much snow does Linneus get?
About 19 inches in a normal winter at Brookfield, MO, most of it in February, with snow on the ground about 30 days a year.
How hot does it get in Linneus?
July, with a typical high of 87° and a low of 67°. About 22 days a year reach 90° (Chillicothe 22 Ene, MO).
When is the first and last frost in Linneus?
In half of years the last spring frost (32°) comes by April 15 and the first fall frost by October 20, about 184 frost-free days, at Chillicothe 22 Ene, MO.
What growing zone is Linneus 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 Linneus?
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 Linneus getting warmer?
Yes: 1991–2020 averaged 0.4° warmer than 1901–2000 on NOAA’s grid. A smaller shift than all but 177 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Linneus.
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.