Centennial Park, AZ climate
Centennial Park has chilly winters and hot summers, with very little rain. A typical July afternoon reaches 94°, a January night drops to 25°, and about 12 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Centennial Park feels like
Winter
Spring
Summer
Fall
Centennial Park weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 49° | 25° | 1.3" | 2.9" | 6 | 3 | 32° – 44° |
| February | 53° | 28° | 1.5" | 3.6" | 8 | 1 | 33° – 47° |
| March | 60° | 33° | 1.3" | 1.1" | 6 | 0 | 41° – 52° |
| April | 67° | 38° | 0.7" | 0.6" | 5 | 0 | 47° – 58° |
| May | 77° | 46° | 0.6" | 0 | 3 | 0 | 54° – 67° |
| June | 89° | 55° | 0.3" | 0 | 3 | 0 | 66° – 77° |
| July | 94° | 62° | 1.1" | 0 | 5 | 0 | 74° – 81° |
| August | 92° | 61° | 1.4" | 0 | 7 | 0 | 73° – 81° |
| September | 84° | 53° | 1.0" | 0 | 4 | 0 | 65° – 72° |
| October | 72° | 42° | 1.0" | 0.4" | 5 | 0 | 52° – 64° |
| November | 59° | 31° | 0.8" | 0.7" | 4 | 1 | 37° – 51° |
| December | 48° | 24° | 1.1" | 3.1" | 5 | 3 | 31° – 41° |
| Year | 70° | 41° | 12.1" | 12.4" | 59 | 9 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Centennial Park
Centennial Park gets 12 inches of rain and melted snow a year. February is the wettest month and June the driest. Rain or snow falls on about 59 days a year. Snow covers the ground about 9 days of the year.
About 180 frost-free days a year
In half of years the last 32° night comes by April 26 and the first one by October 25. That leaves about 180 frost-free days for gardens, longer than 53% of U.S. towns.
Heating and cooling a home in Centennial Park
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Centennial Park, 78% of that work is heating and 22% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Centennial Park compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Centennial Park averaged 1.8° warmer than the 1900s. The biggest change is in March (+2.7°). The shift is larger than in 86% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Centennial Park’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 33° to 47°. July is the most reliable, staying within 7°.
Common questions about Centennial Park’s climate
What is the coldest month in Centennial Park?
December, with a typical high of 48° and a low of 24°.
What is the hottest month in Centennial Park?
July, with a typical high of 94° and a low of 62°. About 72 days a year reach 90°.
How much snow does Centennial Park get?
About 12 inches in a normal winter, most of it in February.
When is the first frost in Centennial Park?
In half of years the first 32° night comes by October 25, and the last spring frost by April 26.
What is the rainiest month in Centennial Park?
February, with 1.5 inches of rain and melted snow. The year totals 12 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Centennial Park itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Colorado City, AZ (3 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.