Photo: Farragutful · CC BY-SA 4.0Winter nights in Camanche are colder than in 88% of U.S. towns
The warmest part of a July day comes in at 84° on average. A year here swings 71° from midwinter lows to midsummer highs. Precipitation is light here, less than falls on 68% of U.S. towns. Garden planting can start around April 22; autumn frost returns near October 16.
A year in Camanche at a glance
Each month’s typical high and low, and what it brings.
What stands out about Camanche’s climate
Compared with towns across the U.S., with Camanche’s place in Iowa beside it.
What a year in Camanche feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 175 frost-free days a year
In half of years the last 32° night comes by April 22 and the first by October 16. Frost and day counts come from NOAA’s station at Clinton #1, IA, 0.6 miles from the town’s center, at about the same height.
The 2023 USDA map puts Camanche’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −14°. 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 32 inches of snow a winter
Snow, measured at Clinton #1, IA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 38 inches a year; June is the wettest month and January the driest. Rain or snow falls on about 118 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Camanche
87% of the work is heating, so the furnace matters far more than the air conditioner. 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 Clinton #1, IA.
Living with Camanche’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
175 frost-free days in zone 5b. The last frost comes by Apr 22 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 16.
Months with highs of 62–84° and lows of 40° or more: May, June, August, September and October. 1.7 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Camanche from natural hazards, river flooding is the largest share (58%); heat waves, cold waves, winter storms and ice storms together are 9%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Camanche and its neighbors
Every town next door is within a degree of Camanche in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Camanche’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 |
|---|---|---|---|---|
| Camanche, IA | 14° | 84° | 38" | 32" |
| Lowell, IN | 17° | 84° | 40" | 30" |
| Sayre, PA | 17° | 84° | 37" | 35" |
| Bryan, OH | 18° | 84° | 37" | 29" |
| Claverack, NY | 16° | 84° | 42" | 31" |
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 Camanche averaged 0.8° warmer than the 1900s. The biggest change is in December (+1.9°).
A smaller shift than in 90% 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 Camanche compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Camanche’s place among Iowa’s.
Camanche weather by month
Highs, lows and precipitation from NOAA’s grid at Camanche’s center; snow, wet days and snow on the ground from Clinton #1, IA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 30° | 14° | 1.4" | 9.2" | 10 | 20 | 13° – 34° |
| February | 34° | 18° | 1.8" | 7.5" | 8 | 14 | 13° – 37° |
| March | 47° | 29° | 2.5" | 3.9" | 10 | 4 | 30° – 53° |
| April | 61° | 39° | 3.8" | 0.8" | 11 | 0 | 41° – 57° |
| May | 72° | 51° | 4.5" | 0.0" | 13 | 0 | 56° – 68° |
| June | 81° | 60° | 5.0" | 0.0" | 12 | 0 | 68° – 75° |
| July | 84° | 64° | 4.1" | 0.0" | 9 | 0 | 68° – 80° |
| August | 82° | 62° | 4.0" | 0.0" | 10 | 0 | 66° – 78° |
| September | 76° | 54° | 3.9" | 0.0" | 8 | 0 | 59° – 70° |
| October | 63° | 42° | 2.8" | 0.3" | 9 | 0 | 48° – 58° |
| November | 48° | 30° | 2.4" | 2.3" | 9 | 2 | 31° – 48° |
| December | 35° | 20° | 1.9" | 7.9" | 10 | 11 | 13° – 37° |
| Year | 59° | 40° | 37.9" | 31.9" | 118 | 51 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 13° to 37°. June is the most reliable, staying within 7°.
Where Camanche’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 Camanche’s center.
- Snow: Clinton #1, IA (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Clinton #1, IA, 0.6 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 Camanche’s climate
What is the weather like in Camanche?
A typical July afternoon reaches 84°, a January night drops to 14°, and about 32 inches of snow falls in a normal winter. Colder January nights than 88% of U.S. towns; cooler July afternoons than 59% of U.S. towns.
How cold does it get in Camanche in winter?
January nights average 14°. About 129 nights a year reach 32° or below and 11 reach 0° or below. In the coldest January of the last 30 years the month averaged 13°.
How much snow does Camanche get?
About 32 inches in a normal winter at Clinton #1, IA, most of it in January, with snow on the ground about 51 days a year.
How hot does it get in Camanche?
July, with a typical high of 84° and a low of 64°. About 15 days a year reach 90° (Clinton #1, IA).
When is the first and last frost in Camanche?
In half of years the last spring frost (32°) comes by April 22 and the first fall frost by October 16, about 175 frost-free days, at Clinton #1, IA.
What growing zone is Camanche in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −14°.
What is the best time of year to visit Camanche?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Camanche getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 90% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Camanche.
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.