Photo: Coconino National Forest · Public domainFort Valley’s winters are colder than most of the U.S.; July afternoons average 75°
A typical July afternoon reaches 75°, a January night drops to 15°.
A year in Fort Valley at a glance
Each month’s typical high and low, and what it brings.
What stands out about Fort Valley’s climate
Compared with towns across the U.S., with Fort Valley’s place in Arizona beside it.
What a year in Fort Valley feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 99 frost-free days a year
In half of years the last 32° night comes by June 11 and the first by September 25. Frost and day counts come from Ft Valley, AZ, 4 miles away.
The 2023 USDA map puts Fort Valley’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −5°. 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 24 inches of rain a year
August is the wettest month and June the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Fort Valley
98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from September through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Ft Valley, AZ.
Living with Fort Valley’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
99 frost-free days in zone 6b. The last frost comes by Jun 11 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 25.
Months with highs of 62–84° and lows of 40° or more: July and August. 241 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Fort Valley from natural hazards, river flooding is the largest share (60%); heat waves, cold waves, winter storms and ice storms together are 7%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Fort Valley and its neighbors
Flagstaff the hottest July afternoons (84°, 9° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Fort Valley averaged 1.8° warmer than the 1900s. The biggest change is in March (+3.4°).
A bigger shift than in 82% 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 Fort Valley compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Fort Valley’s place among Arizona’s.
Fort Valley weather by month
Highs, lows and precipitation from NOAA’s grid at Fort Valley’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 39° | 15° | 2.7" | 20° – 33° |
| February | 40° | 16° | 2.6" | 23° – 35° |
| March | 46° | 20° | 2.4" | 26° – 38° |
| April | 52° | 25° | 1.2" | 32° – 43° |
| May | 61° | 31° | 0.9" | 41° – 50° |
| June | 72° | 39° | 0.4" | 50° – 59° |
| July | 75° | 46° | 3.0" | 57° – 64° |
| August | 72° | 45° | 3.5" | 56° – 63° |
| September | 67° | 39° | 2.0" | 49° – 55° |
| October | 57° | 29° | 1.6" | 39° – 48° |
| November | 46° | 21° | 1.7" | 26° – 40° |
| December | 38° | 14° | 2.3" | 20° – 31° |
| Year | 55° | 28° | 24.3" |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 26° to 40°. September is the most reliable, staying within 6°.
Where Fort Valley’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 Fort Valley’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Ft Valley, AZ, 4 miles from the town’s center, 520 ft lower; no station nearby passes every check; this is the nearest one in the same valley, flagged above.
- 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 Fort Valley’s climate
What is the weather like in Fort Valley?
A typical July afternoon reaches 75°, a January night drops to 15°. Colder January nights than 86% of U.S. towns; cooler July afternoons than 98% of U.S. towns.
How cold does it get in Fort Valley in winter?
December nights average 14°. About 244 nights a year reach 32° or below and 11 reach 0° or below. In the coldest December of the last 30 years the month averaged 20°.
How hot does it get in Fort Valley?
July, with a typical high of 75° and a low of 46°. About 6 days a year reach 90° (Ft Valley, AZ).
When is the first and last frost in Fort Valley?
In half of years the last spring frost (32°) comes by June 11 and the first fall frost by September 25, about 99 frost-free days, at Ft Valley, AZ.
What growing zone is Fort Valley in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −5°.
What is the best time of year to visit Fort Valley?
By one simple rule (highs of 62–84° and lows of 40° or more), July and August. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Fort Valley getting warmer?
Yes: 1991–2020 averaged 1.8° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 82% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Fort Valley.
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.