Climate Comfort Score
78/100
Good
NOAA 1991–2020 normals 66°F annual avg Public-domain federal data
Catalina SP, AZ Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 66°F
- Avg annual temp
- 78/100
- Comfort score
- 13.2"
- Annual precip
- 223d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Catalina SP
Catalina SP, Arizona averages 66°F a year and scores 78/100 on the comfort index - good, milder than 74% of U.S. cities.
- 66°F
- annual average temperature (NOAA normal)
- 78/100
- comfort score, milder than 74% of U.S. cities
- 13.2"
- precipitation, annual total
- 223 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
66°F (19°C)
Avg High
84°F
Avg Low
48°F
Annual Precip
13.2"
Comfort Score
78/100
Good
Avg Annual Temperature
66°F
30-year mean (NOAA NCEI)
Annual Precipitation
13.2"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Catalina SP) 78.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Catalina SP area.
How Catalina SP compares to every U.S. city
Catalina SP'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 Catalina SP
MethodologyThe chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Catalina SP, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.
- 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 | 67°F (19°C) | 31°F (-1°C) | 49°F (9°C) | 1.4" | 19.7 | 0.0 |
| February | 68°F (20°C) | 32°F (0°C) | 50°F (10°C) | 1.2" | 14.8 | 0.0 |
| March | 75°F (24°C) | 36°F (2°C) | 56°F (13°C) | 0.7" | 6.5 | 1.3 |
| April | 82°F (28°C) | 43°F (6°C) | 62°F (17°C) | 0.3" | 1.6 | 6.5 |
| May | 91°F (33°C) | 51°F (10°C) | 71°F (22°C) | 0.2" | 0.2 | 19.1 |
| June | 101°F (38°C) | 60°F (15°C) | 80°F (27°C) | 0.3" | 0.0 | 29.5 |
| July | 100°F (38°C) | 71°F (22°C) | 85°F (30°C) | 2.6" | 0.0 | 29.2 |
| August | 98°F (37°C) | 69°F (20°C) | 84°F (29°C) | 2.5" | 0.0 | 29.6 |
| September | 96°F (35°C) | 62°F (17°C) | 79°F (26°C) | 1.2" | 0.0 | 26.2 |
| October | 87°F (30°C) | 48°F (9°C) | 67°F (20°C) | 0.8" | 0.8 | 13.8 |
| November | 76°F (24°C) | 38°F (3°C) | 57°F (14°C) | 0.8" | 6.7 | 1.5 |
| December | 66°F (19°C) | 31°F (-1°C) | 49°F (9°C) | 1.2" | 17.1 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 1.4"
February 1.2"
March 0.7"
April 0.3"
May 0.2"
June 0.3"
July 2.6"
August 2.5"
September 1.2"
October 0.8"
November 0.8"
December 1.2"
Frost Dates & Growing Season
First Fall Freeze
November 11
50% probability date
Last Spring Freeze
April 2
50% probability date
Growing Season
223 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,180
Higher = more heating needed
Cooling Degree Days
2,445
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Catalina SP's climate means for you
Catalina SP runs 66°F a year - peaking in July, coldest in December.
- Gardeners get about 223 frost-free days, with the last spring freeze near April 2 - plan the planting calendar around it, not the regional average.
- Energy bills track 2,180 heating and 2,445 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: Catalina SP, AZ
In Catalina SP, Arizona, the NOAA 1991–2020 climate normals put the annual average temperature at 66°F, ranging from a mean daily high of 84°F to a mean daily low of 48°F. July is typically the warmest month of the year, while December is the coldest. As thirty-year averages computed from station USC00021357, these numbers smooth out year-to-year noise into a working baseline for a typical month.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Catalina SP receives roughly 13.2 inches of precipitation each year, predominantly as rainfall. The frost-free season averages 223 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 2 and the first fall freeze near November 11. For energy use, 2,180 heating degree days and 2,445 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Catalina SP scores 78/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings July-driven heat, and winter brings December-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.
Frequently Asked Questions
What is the average temperature in Catalina SP, AZ? ▼
The average annual temperature in Catalina SP, Arizona is 66°F. The warmest month averages 101°F (38°C) and the coldest averages 31°F (-1°C).
How much rain does Catalina SP get? ▼
Catalina SP receives 13.2 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Catalina SP? ▼
Catalina SP 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 Catalina SP? ▼
Catalina SP has approximately 223 frost-free days per year, with the last spring freeze around April 2 and the first fall freeze around November 11.
How much energy does heating and cooling require in Catalina SP? ▼
Catalina SP has 2,180 heating degree days and 2,445 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 Catalina SP climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00021357 near Catalina SP.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00021357. 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.