Photo: TimothyMN · CC BY-SA 4.0Winslow reaches 100° on about 12 days a year, more than 92% of U.S. towns
In January the night’s low is typically 21°. Rain follows the seasons: August brings about 9.2 times as much as June. Its yearly precipitation falls short of almost every U.S. town. Tender plants can go out after about April 27; in half of years the first frost comes by October 18.
A year in Winslow at a glance
Each month’s typical high and low, and what it brings.
What stands out about Winslow’s climate
Compared with towns across the U.S., with Winslow’s place in Arizona beside it.
What a year in Winslow feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 174 frost-free days a year
In half of years the last 32° night comes by April 27 and the first by October 18. Frost and day counts come from NOAA’s station at Winslow Muni Airport, 0.7 miles from the town’s center, at about the same height.
The 2023 USDA map puts Winslow’s center in zone 7a: 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 7 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 Winslow
77% of the work is heating. Months averaging under 55° run from November 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 Winslow Muni Airport.
Living with Winslow’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
174 frost-free days in zone 7a. The last frost comes by Apr 27 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 18.
Months with highs of 62–84° and lows of 40° or more: May. 5.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Winslow from natural hazards, river flooding is the largest share (74%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Winslow and similar climates
TownRatings has no climate map of the towns around Winslow yet.
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 Winslow averaged 2.1° warmer than the 1900s. The biggest change is in January (+3.5°).
A bigger shift than in 94% 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 Winslow compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Winslow’s place among Arizona’s.
Winslow weather by month
Highs, lows and precipitation from NOAA’s grid at Winslow’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 51° | 21° | 0.5" | 29° – 41° |
| February | 57° | 25° | 0.5" | 36° – 47° |
| March | 65° | 31° | 0.5" | 42° – 53° |
| April | 72° | 36° | 0.3" | 48° – 59° |
| May | 81° | 44° | 0.3" | 57° – 67° |
| June | 93° | 53° | 0.2" | 67° – 77° |
| July | 95° | 62° | 1.1" | 73° – 82° |
| August | 92° | 60° | 1.5" | 73° – 82° |
| September | 86° | 52° | 1.0" | 65° – 72° |
| October | 74° | 39° | 0.6" | 52° – 61° |
| November | 61° | 27° | 0.5" | 37° – 51° |
| December | 49° | 20° | 0.6" | 26° – 41° |
| Year | 73° | 39° | 7.4" |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 26° to 41°. September is the most reliable, staying within 7°.
Where Winslow’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 Winslow’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Winslow Muni Airport, 0.7 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 Winslow’s climate
What is the weather like in Winslow?
A typical July afternoon reaches 95°, a January night drops to 21°. Colder January nights than 53% of U.S. towns; hotter July afternoons than 95% of U.S. towns.
How cold does it get in Winslow in winter?
December nights average 20°. About 134 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 26°.
How hot does it get in Winslow?
July, with a typical high of 95° and a low of 62°. About 80 days a year reach 90° and 12 reach 100° (Winslow Muni Airport).
When is the first and last frost in Winslow?
In half of years the last spring frost (32°) comes by April 27 and the first fall frost by October 18, about 174 frost-free days, at Winslow Muni Airport.
What growing zone is Winslow in?
Zone 7a 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 Winslow?
By one simple rule (highs of 62–84° and lows of 40° or more), May. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Winslow getting warmer?
Yes: 1991–2020 averaged 2.1° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 94% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Winslow.
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.