Yuma Proving Ground reaches 100° on about 121 days a year, more than all but 20 U.S. towns
January nights here settle around 45°. Precipitation is light here, less than falls on almost every U.S. town. Compared with 1901–2000, the average now sits 2.2° higher. Picnics, hikes and garden evenings come into their own from November to March, with highs of 68–81°.
A year in Yuma Proving Ground at a glance
Each month’s typical high and low, and what it brings.
What stands out about Yuma Proving Ground’s climate
Compared with towns across the U.S., with Yuma Proving Ground’s place in Arizona beside it.
What a year in Yuma Proving Ground feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 121 days a year reach 100°
And 181 days reach 90°. Frost and day counts come from NOAA’s station at Yuma Proving Ground, AZ, 3 miles from the town’s center, at about the same height.
The 2023 USDA map puts Yuma Proving Ground’s center in zone 10a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 33°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 3 inches of rain a year
January is the wettest month and June the driest. Rain falls on about 18 days a year. Snow is rare: about 0.0" in a normal year at Yuma Proving Ground, AZ, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Yuma Proving Ground
16% of the work is heating, so air conditioning is the bigger bill. No month averages under 55°.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Yuma Proving Ground, AZ.
Living with Yuma Proving Ground’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 10a. Frost comes about 6 winters in 10, so the growing year is set by heat, not cold: 121 days at 100° make midsummer the hard season for gardens.
Months with highs of 62–84° and lows of 40° or more: January, February, March, November and December. 0.7 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Yuma Proving Ground from natural hazards, river flooding is the largest share (60%); heat waves, cold waves, winter storms and ice storms together are 11%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Yuma Proving Ground and similar climates
TownRatings has no climate map of the towns around Yuma Proving Ground yet.
Climates most like Yuma Proving Ground’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Yuma Proving Ground, AZ | 45° | 108° | 3" | 0.0" |
| Laughlin, NV | 45° | 110° | 5" | 0.0" |
| Ridgecrest, CA | 34° | 103° | 4" | 0.5" |
| St. George, UT | 33° | 103° | 8" | 1.2" |
| Laredo, TX | 45° | 99° | 20" | 0.1" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Yuma Proving Ground averaged 2.2° warmer than the 1900s. The biggest change is in January (+2.8°).
A bigger shift than in 95% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Yuma Proving Ground compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Yuma Proving Ground’s place among Arizona’s.
Yuma Proving Ground weather by month
Highs, lows and precipitation from NOAA’s grid at Yuma Proving Ground’s center; snow, wet days and snow on the ground from Yuma Proving Ground, AZ. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 70° | 45° | 0.5" | 0.0" | 3 | 0 | 53° – 63° |
| February | 74° | 47° | 0.5" | 0.0" | 3 | 0 | 55° – 67° |
| March | 81° | 52° | 0.3" | 0.0" | 2 | 0 | 60° – 73° |
| April | 87° | 57° | 0.1" | 0.0" | 1 | 0 | 66° – 76° |
| May | 95° | 65° | 0.0" | 0.0" | 1 | 0 | 75° – 86° |
| June | 104° | 73° | 0.0" | 0.0" | 0 | 0 | 83° – 92° |
| July | 108° | 81° | 0.2" | 0.0" | 1 | 0 | 91° – 97° |
| August | 107° | 81° | 0.3" | 0.0" | 2 | 0 | 91° – 97° |
| September | 102° | 75° | 0.4" | 0.0" | 2 | 0 | 85° – 91° |
| October | 91° | 62° | 0.2" | 0.0" | 1 | 0 | 73° – 83° |
| November | 78° | 51° | 0.2" | 0.0" | 1 | 0 | 58° – 70° |
| December | 68° | 43° | 0.4" | 0.0" | 3 | 0 | 52° – 59° |
| Year | 89° | 61° | 3.2" | 0.0" | 18 | 0 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 60° to 73°. September is the most reliable, staying within 6°.
Where Yuma Proving Ground’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Yuma Proving Ground’s center.
- Snow: Yuma Proving Ground, AZ.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Yuma Proving Ground, AZ, 3 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Yuma Proving Ground’s climate
What is the weather like in Yuma Proving Ground?
A typical July afternoon reaches 108°, a January night drops to 45°, and snow is almost unheard of. Milder January nights than 93% of U.S. towns; hotter July afternoons than all but 15 U.S. towns.
How cold does it get in Yuma Proving Ground in winter?
December nights average 43°. About 2 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 52°.
How much snow does Yuma Proving Ground get?
About 0.0 inches in a normal winter at Yuma Proving Ground, AZ, so most winters see none.
How hot does it get in Yuma Proving Ground?
July, with a typical high of 108° and a low of 81°. About 181 days a year reach 90° and 121 reach 100° (Yuma Proving Ground, AZ).
When is the first and last frost in Yuma Proving Ground?
There is no reliable frost date: a 32° night comes in about 57% of winters at Yuma Proving Ground, AZ, so most years bring a freeze but some pass without one.
What growing zone is Yuma Proving Ground in?
Zone 10a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 33°.
What is the best time of year to visit Yuma Proving Ground?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Yuma Proving Ground getting warmer?
Yes: 1991–2020 averaged 2.2° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 95% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Yuma Proving Ground.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.