Climate Comfort Score
59/100
Moderate
NOAA 1991–2020 normals 47°F annual avg Public-domain federal data
Iowa Falls, IA Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 47°F
- Avg annual temp
- 59/100
- Comfort score
- 38.1"
- Annual precip
- 165d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Iowa Falls
Iowa Falls, Iowa averages 47°F a year and scores 59/100 on the comfort index - moderate, milder than 39% of U.S. cities.
- 47°F
- yearly average temperature, NOAA normal
- 59/100
- comfort score, milder than 39% of U.S. cities
- 38.1"
- annual precipitation · 28" snow
- 165 days
- growing season, frost-free days
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
47°F (8°C)
Avg High
57°F
Avg Low
36°F
Annual Precip
38.1"
Annual Snow
27.7"
Comfort Score
59/100
Moderate
Avg Annual Temperature
47°F
30-year mean (NOAA NCEI)
Annual Precipitation
38.1"
Plus 27.7" of snow
Comfort score vs national 100-point ceiling (Iowa Falls) 59.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Iowa Falls area.
How Iowa Falls compares to every U.S. city
Iowa Falls's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
59 Top 61% higher than 39% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for Iowa Falls
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Iowa Falls captures average conditions across the spread shown, the most recent decade is warmer than the 30-year mean.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 26°F (-4°C) | 8°F (-13°C) | 17°F (-8°C) | 0.9" | 7.1" | 30.8 | 0.0 |
| February | 31°F (-1°C) | 12°F (-11°C) | 21°F (-6°C) | 1.2" | 7.1" | 27.3 | 0.0 |
| March | 44°F (6°C) | 24°F (-4°C) | 34°F (1°C) | 2.1" | 4.5" | 24.6 | 0.0 |
| April | 58°F (15°C) | 35°F (2°C) | 47°F (8°C) | 3.8" | 1.3" | 11.2 | 0.0 |
| May | 70°F (21°C) | 48°F (9°C) | 59°F (15°C) | 5.6" | 0.0" | 1.2 | 0.6 |
| June | 80°F (27°C) | 58°F (15°C) | 69°F (21°C) | 6.1" | 0.0" | 0.0 | 2.5 |
| July | 83°F (28°C) | 62°F (17°C) | 73°F (23°C) | 4.5" | 0.0" | 0.0 | 4.5 |
| August | 81°F (27°C) | 60°F (15°C) | 70°F (21°C) | 4.4" | 0.0" | 0.0 | 2.1 |
| September | 75°F (24°C) | 51°F (10°C) | 63°F (17°C) | 3.5" | 0.0" | 0.3 | 1.2 |
| October | 62°F (17°C) | 38°F (3°C) | 50°F (10°C) | 2.6" | 0.0" | 9.0 | 0.1 |
| November | 45°F (7°C) | 26°F (-4°C) | 35°F (2°C) | 2.0" | 1.6" | 23.0 | 0.0 |
| December | 32°F (0°C) | 15°F (-9°C) | 23°F (-5°C) | 1.5" | 6.1" | 30.0 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 0.9"
Snow: 7.1"
6.7 days with precipitation
February 1.2"
Snow: 7.1"
6.2 days with precipitation
March 2.1"
Snow: 4.5"
7.5 days with precipitation
April 3.8"
Snow: 1.3"
10.6 days with precipitation
May 5.6"
12.8 days with precipitation
June 6.1"
11.5 days with precipitation
July 4.5"
8.8 days with precipitation
August 4.4"
9.4 days with precipitation
September 3.5"
8.3 days with precipitation
October 2.6"
8.5 days with precipitation
November 2.0"
Snow: 1.6"
6.6 days with precipitation
December 1.5"
Snow: 6.1"
7.1 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 10
50% probability date
Last Spring Freeze
April 28
50% probability date
Growing Season
165 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
7,307
Higher = more heating needed
Cooling Degree Days
693
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Iowa Falls's climate means for you
Iowa Falls runs 47°F a year - peaking in July, coldest in January.
- Gardeners get about 165 frost-free days, with the last spring freeze near April 28 - plan the planting calendar around it, not the regional average.
- Energy bills track 7,307 heating and 693 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: Iowa Falls, IA
Iowa Falls, Iowa runs an annual average of 47°F, ranging from a mean daily high of 57°F to a mean daily low of 36°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from station USC00134142, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Beyond temperature, Iowa Falls averages 38.1 inches of precipitation annually, with 27.7 inches typically falling as snow - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 165 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 28 and the first fall freeze near October 10. Turning to energy use, 7,307 heating degree days and 693 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Iowa Falls scores 59/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, July-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Iowa Falls, IA? ▼
The average annual temperature in Iowa Falls, Iowa is 47°F. The warmest month averages 83°F (28°C) and the coldest averages 8°F (-13°C).
How much rain does Iowa Falls get? ▼
Iowa Falls receives 38.1 inches of precipitation annually, including 27.7 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Iowa Falls? ▼
Iowa Falls has a climate comfort score of 59/100 (Moderate), milder than 39% of U.S. cities in the PlainClimate database.
When is the growing season in Iowa Falls? ▼
Iowa Falls has approximately 165 frost-free days per year, with the last spring freeze around April 28 and the first fall freeze around October 10.
How much energy does heating and cooling require in Iowa Falls? ▼
Iowa Falls has 7,307 heating degree days and 693 cooling degree days annually, a heating-dominated climate. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Iowa Falls climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00134142 near Iowa Falls.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00134142. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.