Climate Comfort Score
77/100
Good
NOAA 1991–2020 normals 72°F annual avg Public-domain federal data
Maricopa, AZ Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 72°F
- Avg annual temp
- 77/100
- Comfort score
- 7.1"
- Annual precip
- 274d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Maricopa
Maricopa, Arizona averages 72°F a year and scores 77/100 on the comfort index - good, milder than 72% of U.S. cities.
- 72°F
- yearly average temperature, NOAA normal
- 77/100
- comfort score, milder than 72% of U.S. cities
- 7.1"
- yearly precipitation total
- 274 days
- frost-free days per growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
72°F (22°C)
Avg High
89°F
Avg Low
55°F
Annual Precip
7.1"
Annual Snow
0.0"
Comfort Score
77/100
Good
Avg Annual Temperature
72°F
30-year mean (NOAA NCEI)
Annual Precipitation
7.1"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Maricopa) 77.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Maricopa area.
How Maricopa compares to every U.S. city
Maricopa'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 Maricopa
MethodologyMaricopa'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 | 69°F (21°C) | 37°F (3°C) | 53°F (12°C) | 0.8" | 0.0" | 10.7 | 0.0 |
| February | 73°F (23°C) | 40°F (4°C) | 56°F (14°C) | 0.8" | 0.0" | 5.1 | 0.0 |
| March | 80°F (27°C) | 45°F (7°C) | 62°F (17°C) | 0.9" | 0.0" | 1.0 | 3.0 |
| April | 88°F (31°C) | 51°F (10°C) | 70°F (21°C) | 0.2" | 0.0" | 0.1 | 12.6 |
| May | 97°F (36°C) | 59°F (15°C) | 78°F (26°C) | 0.2" | 0.0" | 0.0 | 26.7 |
| June | 107°F (42°C) | 69°F (20°C) | 88°F (31°C) | 0.1" | 0.0" | 0.0 | 29.7 |
| July | 109°F (43°C) | 78°F (25°C) | 93°F (34°C) | 0.7" | 0.0" | 0.0 | 31.0 |
| August | 107°F (42°C) | 77°F (25°C) | 92°F (34°C) | 1.0" | 0.0" | 0.0 | 30.9 |
| September | 102°F (39°C) | 69°F (21°C) | 86°F (30°C) | 0.7" | 0.0" | 0.0 | 29.6 |
| October | 91°F (33°C) | 55°F (13°C) | 73°F (23°C) | 0.5" | 0.0" | 0.1 | 18.0 |
| November | 78°F (26°C) | 43°F (6°C) | 60°F (16°C) | 0.5" | 0.0" | 2.6 | 2.0 |
| December | 68°F (20°C) | 35°F (2°C) | 51°F (11°C) | 0.8" | 0.0" | 12.3 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 0.8"
4.0 days with precipitation
February 0.8"
3.7 days with precipitation
March 0.9"
3.3 days with precipitation
April 0.2"
1.3 days with precipitation
May 0.2"
0.7 days with precipitation
June 0.1"
0.5 days with precipitation
July 0.7"
3.8 days with precipitation
August 1.0"
4.1 days with precipitation
September 0.7"
3.1 days with precipitation
October 0.5"
2.1 days with precipitation
November 0.5"
2.0 days with precipitation
December 0.8"
3.8 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 24
50% probability date
Last Spring Freeze
February 23
50% probability date
Growing Season
274 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
1,382
Higher = more heating needed
Cooling Degree Days
3,946
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Maricopa's climate means for you
Maricopa runs 72°F a year - peaking in July, coldest in December.
- Gardeners get about 274 frost-free days, with the last spring freeze near February 23 - plan the planting calendar around it, not the regional average.
- Energy bills track 1,382 heating and 3,946 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: Maricopa, AZ
Maricopa, Arizona runs an annual average of 72°F, ranging from a mean daily high of 89°F to a mean daily low of 55°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while December is the coldest. Drawn from station USC00025270, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Maricopa receives roughly 7.1 inches of precipitation each year, with negligible snowfall. The frost-free season averages 274 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 23 and the first fall freeze near November 24. For energy use, 1,382 heating degree days and 3,946 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Maricopa scores 77/100 (Good), 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 December-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 Maricopa, AZ? ▼
The average annual temperature in Maricopa, Arizona is 72°F. The warmest month averages 109°F (43°C) and the coldest averages 35°F (2°C).
How much rain does Maricopa get? ▼
Maricopa receives 7.1 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Maricopa? ▼
Maricopa 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 Maricopa? ▼
Maricopa has approximately 274 frost-free days per year, with the last spring freeze around February 23 and the first fall freeze around November 24.
How much energy does heating and cooling require in Maricopa? ▼
Maricopa has 1,382 heating degree days and 3,946 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 Maricopa climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00025270 near Maricopa.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00025270. 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.