Precipitation in Clay Springs trails that of 93% of U.S. towns: 15 inches a year
Peak summer warmth arrives in July, with afternoons near 86°. March has warmed most since 1901–2000, part of a 1.5° rise. If you like long walks, June, August and September offer highs of 78–84°.
A year in Clay Springs at a glance
Each month’s typical high and low, and what it brings.
What stands out about Clay Springs’ climate
Compared with towns across the U.S., with Clay Springs’ place in Arizona beside it.
What a year in Clay Springs feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 135 frost-free days a year
In half of years the last 32° night comes by May 23 and the first by October 5. Frost and day counts come from NOAA’s station at Heber (black Mesa) Rs, AZ, 15 miles from the town’s center, 230 ft higher.
The 2023 USDA map puts Clay Springs’ center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 0°. 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 13 inches of snow a winter
Snow, measured at Snowflake, AZ, falls mostly in December. Precipitation (rain plus melted snow) adds up to 15 inches a year; August is the wettest month and June the driest. Rain or snow falls on about 53 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Clay Springs
95% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Heber (black Mesa) Rs, AZ.
Living with Clay Springs’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
135 frost-free days in zone 6b. The last frost comes by May 23 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 5.
Months with highs of 62–84° and lows of 40° or more: June, August and September. 2.6 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Clay Springs from natural hazards, wildfire is the largest share (53%); heat waves, cold waves, winter storms and ice storms together are 5%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Clay Springs and similar climates
TownRatings has no climate map of the towns around Clay Springs yet.
Climates most like Clay Springs’, 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 |
|---|---|---|---|---|
| Clay Springs, AZ | 20° | 86° | 15" | 13" |
| Hamilton, MT | 20° | 86° | 13" | 17" |
| Santa Fe, NM | 18° | 86° | 13" | 20" |
| Indian Hills, NV | 25° | 86° | 14" | 14" |
| Blackfoot, ID | 16° | 88° | 11" | 15" |
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 Clay Springs averaged 1.5° warmer than the 1900s. The biggest change is in March (+2.7°).
A bigger shift than in 58% 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 Clay Springs compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Clay Springs’ place among Arizona’s.
Clay Springs weather by month
Highs, lows and precipitation from NOAA’s grid at Clay Springs’ center; snow, wet days and snow on the ground from Snowflake, AZ. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 47° | 20° | 1.2" | 2.3" | 4 | 3 | 25° – 39° |
| February | 51° | 23° | 1.2" | 2.0" | 4 | 1 | 31° – 44° |
| March | 58° | 28° | 0.9" | 2.1" | 4 | 1 | 36° – 48° |
| April | 65° | 33° | 0.5" | 0.5" | 3 | 0 | 43° – 54° |
| May | 73° | 39° | 0.5" | 0.0" | 2 | 0 | 50° – 61° |
| June | 84° | 48° | 0.3" | 0.0" | 2 | 0 | 60° – 70° |
| July | 86° | 56° | 2.3" | 0.0" | 8 | 0 | 68° – 74° |
| August | 83° | 55° | 2.5" | 0.0" | 9 | 0 | 66° – 74° |
| September | 78° | 48° | 1.6" | 0.0" | 5 | 0 | 59° – 66° |
| October | 68° | 36° | 1.1" | 0.3" | 4 | 0 | 49° – 57° |
| November | 56° | 27° | 1.1" | 1.2" | 4 | 0 | 34° – 50° |
| December | 46° | 20° | 1.4" | 4.5" | 4 | 4 | 28° – 39° |
| Year | 66° | 36° | 14.5" | 12.9" | 53 | 8 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 34° to 50°. July is the most reliable, staying within 6°.
Where Clay Springs’ 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 Clay Springs’ center.
- Snow: Snowflake, AZ.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Heber (black Mesa) Rs, AZ, 15 miles from the town’s center, 230 ft higher; 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 Clay Springs’ climate
What is the weather like in Clay Springs?
A typical July afternoon reaches 86°, a January night drops to 20°, and about 13 inches of snow falls in a normal winter. Colder January nights than 60% of U.S. towns; hotter July afternoons than 54% of U.S. towns.
How cold does it get in Clay Springs in winter?
January nights average 20°. About 170 nights a year reach 32° or below and 2 reach 0° or below. In the coldest January of the last 30 years the month averaged 25°.
How much snow does Clay Springs get?
About 13 inches in a normal winter at Snowflake, AZ, most of it in December, with snow on the ground about 8 days a year.
How hot does it get in Clay Springs?
July, with a typical high of 86° and a low of 56°. About 8 days a year reach 90° (Heber (black Mesa) Rs, AZ).
When is the first and last frost in Clay Springs?
In half of years the last spring frost (32°) comes by May 23 and the first fall frost by October 5, about 135 frost-free days, at Heber (black Mesa) Rs, AZ.
What growing zone is Clay Springs in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 0°.
What is the best time of year to visit Clay Springs?
By one simple rule (highs of 62–84° and lows of 40° or more), June, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Clay Springs getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 58% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Clay Springs.
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.