Middle Amana has cold winters and warm summers
A typical July afternoon reaches 84°, a January night drops to 12°, and about 27 inches of snow falls in a normal winter.
A year in Middle Amana at a glance
Each month’s typical high and low, and what it brings.
What a year in Middle Amana feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
27 inches of snow, 37 of rain and melt
June is the wettest month and January the driest. Rain or snow falls on about 88 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
About 164 frost-free days a year
In half of years the last 32° night comes by April 28 and the first by October 9.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Middle Amana’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
164 frost-free days. The last frost comes by Apr 28 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 9.
About 27" a winter over 11 days with an inch or more, most in December. Snow covers the ground about 52 days a year.
Months averaging under 55° run from October through April. Heating is 90% of the year’s heating-and-cooling load.
About 17 days a year reach 90°, and July afternoons average 84°.
The nicest months are May, June, August and September.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Warmer than it used to be
The last 30 years in Middle Amana averaged 0.7° warmer than the 1900s. The biggest change is in December (+2.2°).
A smaller shift than in 87% of U.S. towns.
Change by month
How Middle Amana compares
Against every U.S. town on TownTapestry, each counted once, with its place in Iowa.
Middle Amana weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 29° | 12° | 1.0" | 7.7" | 5 | 19 | 11° – 33° |
| February | 34° | 16° | 1.2" | 5.7" | 4 | 13 | 12° – 37° |
| March | 47° | 27° | 2.0" | 3.7" | 6 | 5 | 29° – 52° |
| April | 61° | 37° | 3.8" | 0.8" | 10 | 1 | 41° – 56° |
| May | 72° | 49° | 4.5" | 0 | 10 | 0 | 54° – 68° |
| June | 81° | 59° | 5.5" | 0 | 11 | 0 | 67° – 74° |
| July | 84° | 63° | 4.3" | 0 | 8 | 0 | 67° – 80° |
| August | 82° | 60° | 4.2" | 0 | 8 | 0 | 66° – 78° |
| September | 76° | 52° | 3.5" | 0 | 7 | 0 | 58° – 69° |
| October | 63° | 40° | 2.9" | 0.2" | 7 | 0 | 46° – 57° |
| November | 47° | 28° | 2.1" | 1.2" | 6 | 1 | 30° – 48° |
| December | 34° | 17° | 1.5" | 7.9" | 5 | 13 | 11° – 36° |
| Year | 59° | 38° | 36.6" | 27.2" | 88 | 52 |
Heating and cooling a home in Middle Amana
90% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 12° to 37°. June is the most reliable, staying within 7°.
Common questions about Middle Amana’s climate
What is the coldest month in Middle Amana?
January, with a typical high of 29° and a low of 12°.
What is the hottest month in Middle Amana?
July, with a typical high of 84° and a low of 63°. About 17 days a year reach 90°.
How much snow does Middle Amana get?
About 27 inches in a normal winter, most of it in December.
When is the first frost in Middle Amana?
In half of years the first 32° night comes by October 9, and the last spring frost by April 28.
What is the rainiest month in Middle Amana?
June, with 5.5 inches of rain and melted snow. The year totals 37 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Middle Amana.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Middle Amana itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Walford 2 Se, IA (7 mi, snow) and Williamsburg 1e, IA (10 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.