Climate Comfort Score
90/100
Excellent
NOAA 1991–2020 normals 67°F annual avg Public-domain federal data
San Manuel, AZ Climate
Annual temperature, rainfall, and a comfort score, sourced from NOAA NCEI's 1991–2020 normals →
- 67°F
- Avg annual temp
- 90/100
- Comfort score
- 12.6"
- Annual precip
- 307d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for San Manuel
San Manuel, Arizona averages 67°F a year and scores 90/100 on the comfort index - excellent, milder than 94% of U.S. cities.
- 67°F
- annual average temperature (NOAA normal)
- 90/100
- comfort score, milder than 94% of U.S. cities
- 12.6"
- annual precipitation · 1" snow
- 307 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
67°F (19°C)
Avg High
79°F
Avg Low
54°F
Annual Precip
12.6"
Annual Snow
0.7"
Comfort Score
90/100
Excellent
Avg Annual Temperature
67°F
30-year mean (NOAA NCEI)
Annual Precipitation
12.6"
Plus 0.7" of snow
Comfort score vs national 100-point ceiling (San Manuel) 90.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the San Manuel area.
How San Manuel compares to every U.S. city
San Manuel's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
90 Top 6% higher than 94% 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 San Manuel
MethodologyZooming out from San Manuel's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.
- 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 | 60°F (16°C) | 38°F (3°C) | 49°F (9°C) | 1.1" | 0.3" | 4.6 | 0.0 |
| February | 64°F (18°C) | 41°F (5°C) | 52°F (11°C) | 1.1" | 0.1" | 2.9 | 0.0 |
| March | 71°F (22°C) | 46°F (8°C) | 59°F (15°C) | 0.7" | 0.1" | 0.3 | 0.0 |
| April | 79°F (26°C) | 51°F (11°C) | 65°F (18°C) | 0.4" | 0.1" | 0.1 | 2.0 |
| May | 88°F (31°C) | 59°F (15°C) | 74°F (23°C) | 0.3" | 0.0" | 0.0 | 13.2 |
| June | 97°F (36°C) | 69°F (21°C) | 83°F (29°C) | 0.3" | 0.0" | 0.0 | 29.2 |
| July | 97°F (36°C) | 72°F (22°C) | 84°F (29°C) | 2.4" | 0.0" | 0.0 | 28.3 |
| August | 94°F (35°C) | 71°F (22°C) | 83°F (28°C) | 2.8" | 0.0" | 0.0 | 26.6 |
| September | 90°F (32°C) | 66°F (19°C) | 78°F (26°C) | 1.3" | 0.0" | 0.0 | 15.0 |
| October | 80°F (27°C) | 57°F (14°C) | 69°F (20°C) | 0.6" | 0.0" | 0.0 | 2.2 |
| November | 69°F (20°C) | 45°F (7°C) | 57°F (14°C) | 0.6" | 0.0" | 0.4 | 0.0 |
| December | 59°F (15°C) | 38°F (3°C) | 49°F (9°C) | 1.0" | 0.1" | 5.3 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 1.1"
Snow: 0.3"
4.9 days with precipitation
February 1.1"
Snow: 0.1"
4.8 days with precipitation
March 0.7"
Snow: 0.1"
3.5 days with precipitation
April 0.4"
Snow: 0.1"
1.9 days with precipitation
May 0.3"
1.9 days with precipitation
June 0.3"
1.8 days with precipitation
July 2.4"
9.1 days with precipitation
August 2.8"
9.9 days with precipitation
September 1.3"
5.0 days with precipitation
October 0.6"
3.2 days with precipitation
November 0.6"
2.9 days with precipitation
December 1.0"
Snow: 0.1"
5.0 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
December 8
50% probability date
Last Spring Freeze
February 4
50% probability date
Growing Season
307 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
1,942
Higher = more heating needed
Cooling Degree Days
2,588
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What San Manuel's climate means for you
San Manuel runs 67°F a year - peaking in July, coldest in December.
- Gardeners get about 307 frost-free days, with the last spring freeze near February 4 - plan the planting calendar around it, not the regional average.
- Energy bills track 1,942 heating and 2,588 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: San Manuel, AZ
The NOAA 1991–2020 climate normals describe San Manuel, Arizona as a location with an annual average temperature of 67°F, ranging from a mean daily high of 79°F to a mean daily low of 54°F. July is typically the warmest month of the year, while December is the coldest. These thirty-year averages, computed from station USC00027530, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.
Anyone planning to live, garden, or travel in San Manuel should weigh precipitation alongside temperature: the annual average runs 12.6 inches, with 0.7 inches typically falling as snow. The frost-free season averages 307 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 4 and the first fall freeze near December 8. And on the energy front, 1,942 heating degree days and 2,588 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, San Manuel scores 90/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for July-driven heat, or deep winter for December-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.
Frequently Asked Questions
What is the average temperature in San Manuel, AZ? ▼
The average annual temperature in San Manuel, Arizona is 67°F. The warmest month averages 97°F (36°C) and the coldest averages 38°F (3°C).
How much rain does San Manuel get? ▼
San Manuel receives 12.6 inches of precipitation annually, including 0.7 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for San Manuel? ▼
San Manuel has a climate comfort score of 90/100 (Excellent), milder than 94% of U.S. cities in the PlainClimate database.
When is the growing season in San Manuel? ▼
San Manuel has approximately 307 frost-free days per year, with the last spring freeze around February 4 and the first fall freeze around December 8.
How much energy does heating and cooling require in San Manuel? ▼
San Manuel has 1,942 heating degree days and 2,588 cooling degree days annually, a fairly balanced heating/cooling split. 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 San Manuel climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00027530 near San Manuel.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00027530. 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.