Climate Comfort Score
59/100
Moderate
NOAA 1991–2020 normals 48°F annual avg Public-domain federal data
Castana Exp Farm, IA Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 48°F
- Avg annual temp
- 59/100
- Comfort score
- 32.1"
- Annual precip
- 170d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Castana Exp Farm
Castana Exp Farm, Iowa averages 48°F a year and scores 59/100 on the comfort index - moderate, milder than 39% of U.S. cities.
- 48°F
- annual average temperature (NOAA normal)
- 59/100
- comfort score, milder than 39% of U.S. cities
- 32.1"
- annual precipitation · 29" snow
- 170 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
48°F (9°C)
Avg High
59°F
Avg Low
38°F
Annual Precip
32.1"
Annual Snow
28.6"
Comfort Score
59/100
Moderate
Avg Annual Temperature
48°F
30-year mean (NOAA NCEI)
Annual Precipitation
32.1"
Plus 28.6" of snow
Comfort score vs national 100-point ceiling (Castana Exp Farm) 59.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Castana Exp Farm area.
How Castana Exp Farm compares to every U.S. city
Castana Exp Farm'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 Castana Exp Farm
MethodologyCastana Exp Farm's NOAA 1991-2020 normal sits inside a longer story: U.S. land temperatures have been tracking (and drifting from) the global mean since 1900, and the chart below shows that spread, with the most recent decade running 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 | 29°F (-2°C) | 10°F (-12°C) | 20°F (-7°C) | 0.6" | 7.1" | 30.2 | 0.0 |
| February | 33°F (1°C) | 14°F (-10°C) | 24°F (-5°C) | 0.7" | 7.2" | 25.7 | 0.0 |
| March | 47°F (8°C) | 26°F (-4°C) | 36°F (2°C) | 1.7" | 4.2" | 22.5 | 0.0 |
| April | 60°F (15°C) | 37°F (3°C) | 48°F (9°C) | 3.3" | 1.7" | 8.2 | 0.1 |
| May | 71°F (21°C) | 49°F (10°C) | 60°F (16°C) | 4.7" | 0.0" | 0.5 | 0.3 |
| June | 80°F (27°C) | 60°F (15°C) | 70°F (21°C) | 4.8" | 0.0" | 0.0 | 2.2 |
| July | 84°F (29°C) | 64°F (18°C) | 74°F (23°C) | 4.0" | 0.0" | 0.0 | 5.7 |
| August | 82°F (28°C) | 61°F (16°C) | 71°F (22°C) | 4.2" | 0.0" | 0.0 | 3.2 |
| September | 75°F (24°C) | 53°F (11°C) | 64°F (18°C) | 3.0" | 0.0" | 0.1 | 1.5 |
| October | 63°F (17°C) | 40°F (4°C) | 51°F (11°C) | 2.4" | 0.7" | 6.5 | 0.0 |
| November | 47°F (8°C) | 26°F (-3°C) | 36°F (2°C) | 1.5" | 2.0" | 20.8 | 0.0 |
| December | 33°F (1°C) | 16°F (-9°C) | 25°F (-4°C) | 1.0" | 5.7" | 29.6 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 0.6"
Snow: 7.1"
5.4 days with precipitation
February 0.7"
Snow: 7.2"
4.9 days with precipitation
March 1.7"
Snow: 4.2"
6.7 days with precipitation
April 3.3"
Snow: 1.7"
9.9 days with precipitation
May 4.7"
13.0 days with precipitation
June 4.8"
11.4 days with precipitation
July 4.0"
9.7 days with precipitation
August 4.2"
9.4 days with precipitation
September 3.0"
7.7 days with precipitation
October 2.4"
Snow: 0.7"
7.2 days with precipitation
November 1.5"
Snow: 2.0"
5.2 days with precipitation
December 1.0"
Snow: 5.7"
5.9 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 12
50% probability date
Last Spring Freeze
April 25
50% probability date
Growing Season
170 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
6,879
Higher = more heating needed
Cooling Degree Days
804
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Castana Exp Farm's climate means for you
Castana Exp Farm runs 48°F a year - peaking in July, coldest in January.
- Gardeners get about 170 frost-free days, with the last spring freeze near April 25 - plan the planting calendar around it, not the regional average.
- Energy bills track 6,879 heating and 804 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: Castana Exp Farm, IA
Castana Exp Farm, Iowa runs an annual average of 48°F, ranging from a mean daily high of 59°F to a mean daily low of 38°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 USC00131277, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Beyond temperature, Castana Exp Farm averages 32.1 inches of precipitation annually, with 28.6 inches typically falling as snow - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 170 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 25 and the first fall freeze near October 12. Turning to energy use, 6,879 heating degree days and 804 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Castana Exp Farm scores 59/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.
Frequently Asked Questions
What is the average temperature in Castana Exp Farm, IA? ▼
The average annual temperature in Castana Exp Farm, Iowa is 48°F. The warmest month averages 84°F (29°C) and the coldest averages 10°F (-12°C).
How much rain does Castana Exp Farm get? ▼
Castana Exp Farm receives 32.1 inches of precipitation annually, including 28.6 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Castana Exp Farm? ▼
Castana Exp Farm 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 Castana Exp Farm? ▼
Castana Exp Farm has approximately 170 frost-free days per year, with the last spring freeze around April 25 and the first fall freeze around October 12.
How much energy does heating and cooling require in Castana Exp Farm? ▼
Castana Exp Farm has 6,879 heating degree days and 804 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 Castana Exp Farm climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00131277 near Castana Exp Farm.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00131277. 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.