Climate Comfort Score
77/100
Good
NOAA 1991–2020 normals 71°F annual avg Public-domain federal data
Casa Grande NM, AZ Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 71°F
- Avg annual temp
- 77/100
- Comfort score
- 8.3"
- Annual precip
- 285d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Casa Grande NM
Casa Grande NM, Arizona averages 71°F a year and scores 77/100 on the comfort index - good, milder than 72% of U.S. cities.
- 71°F
- average temperature, NOAA 1991-2020 normal
- 77/100
- comfort score, milder than 72% of U.S. cities
- 8.3"
- annual precipitation
- 285 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
71°F (22°C)
Avg High
88°F
Avg Low
55°F
Annual Precip
8.3"
Annual Snow
0.0"
Comfort Score
77/100
Good
Avg Annual Temperature
71°F
30-year mean (NOAA NCEI)
Annual Precipitation
8.3"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Casa Grande NM) 77.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Casa Grande NM area.
How Casa Grande NM compares to every U.S. city
Casa Grande NM's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
77 Top 28% higher than 72% 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 Casa Grande NM
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Casa Grande NM's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs 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 | 68°F (20°C) | 37°F (3°C) | 52°F (11°C) | 1.0" | 0.0" | 9.5 | 0.0 |
| February | 71°F (22°C) | 40°F (4°C) | 56°F (13°C) | 1.0" | 0.0" | 4.9 | 0.0 |
| March | 78°F (26°C) | 45°F (7°C) | 62°F (17°C) | 0.9" | 0.0" | 1.0 | 2.8 |
| April | 86°F (30°C) | 51°F (10°C) | 69°F (20°C) | 0.3" | 0.0" | 0.1 | 12.3 |
| May | 95°F (35°C) | 59°F (15°C) | 77°F (25°C) | 0.2" | 0.0" | 0.0 | 24.9 |
| June | 105°F (41°C) | 68°F (20°C) | 87°F (30°C) | 0.1" | 0.0" | 0.0 | 29.5 |
| July | 107°F (41°C) | 77°F (25°C) | 92°F (33°C) | 1.1" | 0.0" | 0.0 | 30.7 |
| August | 105°F (41°C) | 77°F (25°C) | 91°F (33°C) | 1.2" | 0.0" | 0.0 | 30.4 |
| September | 101°F (38°C) | 70°F (21°C) | 85°F (30°C) | 0.7" | 0.0" | 0.0 | 28.8 |
| October | 91°F (33°C) | 56°F (13°C) | 73°F (23°C) | 0.5" | 0.0" | 0.1 | 18.4 |
| November | 78°F (25°C) | 44°F (7°C) | 61°F (16°C) | 0.5" | 0.0" | 2.4 | 1.9 |
| December | 67°F (19°C) | 36°F (2°C) | 52°F (11°C) | 0.8" | 0.0" | 11.1 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 1.0"
4.4 days with precipitation
February 1.0"
4.2 days with precipitation
March 0.9"
3.2 days with precipitation
April 0.3"
1.4 days with precipitation
May 0.2"
1.3 days with precipitation
June 0.1"
0.6 days with precipitation
July 1.1"
4.7 days with precipitation
August 1.2"
5.3 days with precipitation
September 0.7"
3.3 days with precipitation
October 0.5"
2.2 days with precipitation
November 0.5"
2.0 days with precipitation
December 0.8"
4.2 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 29
50% probability date
Last Spring Freeze
February 17
50% probability date
Growing Season
285 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
1,452
Higher = more heating needed
Cooling Degree Days
3,778
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Casa Grande NM's climate means for you
Casa Grande NM runs 71°F a year - peaking in July, coldest in December.
- Gardeners get about 285 frost-free days, with the last spring freeze near February 17 - plan the planting calendar around it, not the regional average.
- Energy bills track 1,452 heating and 3,778 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: Casa Grande NM, AZ
The NOAA 1991–2020 climate normals describe Casa Grande NM, Arizona as a location with an annual average temperature of 71°F, ranging from a mean daily high of 88°F to a mean daily low of 55°F. July is typically the warmest month of the year, while December is the coldest. These thirty-year averages, computed from station USC00021314, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Casa Grande NM receives roughly 8.3 inches of precipitation each year, with negligible snowfall. The frost-free season averages 285 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 17 and the first fall freeze near November 29. For energy use, 1,452 heating degree days and 3,778 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Casa Grande NM scores 77/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings December-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Casa Grande NM, AZ? ▼
The average annual temperature in Casa Grande NM, Arizona is 71°F. The warmest month averages 107°F (41°C) and the coldest averages 36°F (2°C).
How much rain does Casa Grande NM get? ▼
Casa Grande NM receives 8.3 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Casa Grande NM? ▼
Casa Grande NM has a climate comfort score of 77/100 (Good), milder than 72% of U.S. cities in the PlainClimate database.
When is the growing season in Casa Grande NM? ▼
Casa Grande NM has approximately 285 frost-free days per year, with the last spring freeze around February 17 and the first fall freeze around November 29.
How much energy does heating and cooling require in Casa Grande NM? ▼
Casa Grande NM has 1,452 heating degree days and 3,778 cooling degree days annually, a cooling-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 Casa Grande NM climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00021314 near Casa Grande NM.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00021314. 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.