Climate Comfort Score
80/100
Excellent
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Saguaro NP
Saguaro NP, Arizona averages 70°F a year and scores 80/100 on the comfort index - excellent, milder than 82% of U.S. cities.
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
70°F (21°C)
Avg High
83°F
Avg Low
57°F
Annual Precip
N/A
Comfort Score
80/100
Excellent
Climate Comfort Score
80/100
Excellent
Avg Annual Temperature
70°F
30-year mean (NOAA NCEI)
Annual Precipitation
N/A
Liquid-equivalent total
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Saguaro NP area.
Saguaro NP's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
80 Top 18% higher than 82% 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
Saguaro NP'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.
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) | 41°F (5°C) | 53°F (12°C) | N/A | 2.1 | 0.0 |
| February | 68°F (20°C) | 43°F (6°C) | 56°F (13°C) | N/A | 2.3 | 0.0 |
| March | 74°F (24°C) | 48°F (9°C) | 61°F (16°C) | N/A | 0.1 | 1.2 |
| April | 82°F (28°C) | 54°F (12°C) | 68°F (20°C) | N/A | 0.0 | 6.9 |
| May | 91°F (33°C) | 62°F (17°C) | 77°F (25°C) | N/A | 0.0 | 18.2 |
| June | 101°F (38°C) | 72°F (22°C) | 86°F (30°C) | N/A | 0.0 | 29.5 |
| July | 100°F (38°C) | 74°F (23°C) | 87°F (30°C) | N/A | 0.0 | 29.7 |
| August | 98°F (37°C) | 73°F (23°C) | 85°F (30°C) | N/A | 0.0 | 29.3 |
| September | 94°F (34°C) | 69°F (20°C) | 81°F (27°C) | N/A | 0.0 | 24.1 |
| October | 86°F (30°C) | 59°F (15°C) | 72°F (22°C) | N/A | 0.0 | 10.2 |
| November | 75°F (24°C) | 49°F (9°C) | 62°F (16°C) | N/A | 0.3 | 0.8 |
| December | 65°F (18°C) | 41°F (5°C) | 53°F (11°C) | N/A | 3.0 | 0.0 |
Average monthly rainfall
First Fall Freeze
December 16
50% probability date
Last Spring Freeze
January 26
50% probability date
Growing Season
324 days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
1,399
Higher = more heating needed
Cooling Degree Days
3,262
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Saguaro NP's climate means for you
Saguaro NP runs 70°F a year - peaking in July, coldest in December.
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
In Saguaro NP, Arizona, the NOAA 1991–2020 climate normals put the annual average temperature at 70°F, ranging from a mean daily high of 83°F to a mean daily low of 57°F. July is typically the warmest month of the year, while December is the coldest. As thirty-year averages computed from station USC00027398, these numbers smooth out year-to-year noise into a working baseline for a typical month.
Anyone planning to live, garden, or travel in Saguaro NP should weigh precipitation alongside temperature: the annual average runs an uncharted amount, predominantly as rainfall. The frost-free season averages 324 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 26 and the first fall freeze near December 16. And on the energy front, 1,399 heating degree days and 3,262 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Saguaro NP scores 80/100 (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.
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00027398. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
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.