Climate Comfort Score
78/100
Good
NOAA 1991–2020 normals 65°F annual avg Public-domain federal data
Douglas, AZ Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 65°F
- Avg annual temp
- 78/100
- Comfort score
- 14.0"
- Annual precip
- 240d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Douglas
Douglas, Arizona averages 65°F a year and scores 78/100 on the comfort index - good, milder than 74% of U.S. cities.
- 65°F
- average temperature, NOAA 1991-2020 normal
- 78/100
- comfort score, milder than 74% of U.S. cities
- 14.0"
- yearly precipitation total
- 240 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
65°F (18°C)
Avg High
81°F
Avg Low
48°F
Annual Precip
14.0"
Comfort Score
78/100
Good
Avg Annual Temperature
65°F
30-year mean (NOAA NCEI)
Annual Precipitation
14.0"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Douglas) 78.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Douglas area.
How Douglas compares to every U.S. city
Douglas's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
78 Top 26% higher than 74% 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 Douglas
MethodologyDouglas'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 | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 65°F (18°C) | 31°F (-1°C) | 48°F (9°C) | 0.9" | 19.2 | 0.0 |
| February | 69°F (20°C) | 35°F (2°C) | 52°F (11°C) | 0.7" | 11.3 | 0.1 |
| March | 73°F (23°C) | 40°F (4°C) | 56°F (14°C) | 0.6" | 4.6 | 0.1 |
| April | 81°F (27°C) | 45°F (7°C) | 63°F (17°C) | 0.2" | 0.5 | 1.7 |
| May | 89°F (32°C) | 53°F (12°C) | 71°F (22°C) | 0.4" | 0.0 | 13.3 |
| June | 97°F (36°C) | 62°F (17°C) | 79°F (26°C) | 0.5" | 0.0 | 28.2 |
| July | 95°F (35°C) | 66°F (19°C) | 81°F (27°C) | 3.5" | 0.0 | 26.9 |
| August | 93°F (34°C) | 65°F (19°C) | 79°F (26°C) | 3.2" | 0.0 | 23.6 |
| September | 90°F (32°C) | 60°F (16°C) | 75°F (24°C) | 1.7" | 0.0 | 17.6 |
| October | 83°F (29°C) | 49°F (9°C) | 66°F (19°C) | 0.8" | 0.3 | 4.2 |
| November | 74°F (23°C) | 38°F (3°C) | 56°F (13°C) | 0.6" | 6.7 | 0.0 |
| December | 65°F (18°C) | 30°F (-1°C) | 48°F (9°C) | 0.9" | 17.2 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 0.9"
February 0.7"
March 0.6"
April 0.2"
May 0.4"
June 0.5"
July 3.5"
August 3.2"
September 1.7"
October 0.8"
November 0.6"
December 0.9"
Frost Dates & Growing Season
First Fall Freeze
November 13
50% probability date
Last Spring Freeze
March 18
50% probability date
Growing Season
240 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,136
Higher = more heating needed
Cooling Degree Days
1,989
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Douglas's climate means for you
Douglas runs 65°F a year - peaking in July, coldest in December.
- Gardeners get about 240 frost-free days, with the last spring freeze near March 18 - plan the planting calendar around it, not the regional average.
- Energy bills track 2,136 heating and 1,989 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: Douglas, AZ
The NOAA 1991–2020 climate normals describe Douglas, Arizona as a location with an annual average temperature of 65°F, ranging from a mean daily high of 81°F to a mean daily low of 48°F. July is typically the warmest month of the year, while December is the coldest. These thirty-year averages, computed from station USC00022659, 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 Douglas should weigh precipitation alongside temperature: the annual average runs 14.0 inches, predominantly as rainfall. The frost-free season averages 240 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 18 and the first fall freeze near November 13. And on the energy front, 2,136 heating degree days and 1,989 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Douglas scores 78/100 (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 Douglas, AZ? ▼
The average annual temperature in Douglas, Arizona is 65°F. The warmest month averages 97°F (36°C) and the coldest averages 30°F (-1°C).
How much rain does Douglas get? ▼
Douglas receives 14.0 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Douglas? ▼
Douglas has a climate comfort score of 78/100 (Good), milder than 74% of U.S. cities in the PlainClimate database.
When is the growing season in Douglas? ▼
Douglas has approximately 240 frost-free days per year, with the last spring freeze around March 18 and the first fall freeze around November 13.
How much energy does heating and cooling require in Douglas? ▼
Douglas has 2,136 heating degree days and 1,989 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 Douglas climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00022659 near Douglas.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00022659. 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.