Photo: Jedijoe82 · CC BY-SA 4.0Heber-Overgaard’s winters are colder than most of the U.S.; July afternoons average 84°
A typical July afternoon reaches 84°, a January night drops to 19°.
A year in Heber-Overgaard at a glance
Each month’s typical high and low, and what it brings.
What stands out about Heber-Overgaard’s climate
Compared with towns across the U.S., with Heber-Overgaard’s place in Arizona beside it.
What a year in Heber-Overgaard 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, 1.6 miles from the town’s center, at about the same height.
The 2023 USDA map puts Heber-Overgaard’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −2°. 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 16 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 Heber-Overgaard
95% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October 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 Heber (black Mesa) Rs, AZ.
Living with Heber-Overgaard’s 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, July, August and September. 8.1 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Heber-Overgaard from natural hazards, wildfire is the largest share (56%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Heber-Overgaard and similar climates
TownRatings has no climate map of the towns around Heber-Overgaard 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 Heber-Overgaard averaged 1.7° warmer than the 1900s. The biggest change is in March (+3.0°).
A bigger shift than in 70% 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 Heber-Overgaard compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Heber-Overgaard’s place among Arizona’s.
Heber-Overgaard weather by month
Highs, lows and precipitation from NOAA’s grid at Heber-Overgaard’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 46° | 19° | 1.2" | 26° – 38° |
| February | 49° | 23° | 1.3" | 30° – 43° |
| March | 56° | 28° | 1.2" | 34° – 47° |
| April | 63° | 32° | 0.5" | 41° – 53° |
| May | 71° | 39° | 0.6" | 49° – 59° |
| June | 82° | 48° | 0.4" | 59° – 69° |
| July | 84° | 55° | 2.5" | 66° – 73° |
| August | 81° | 54° | 2.8" | 64° – 72° |
| September | 77° | 47° | 1.6" | 57° – 64° |
| October | 66° | 35° | 1.1" | 48° – 56° |
| November | 55° | 26° | 1.2" | 33° – 49° |
| December | 46° | 19° | 1.5" | 28° – 38° |
| Year | 65° | 35° | 15.7" |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 33° to 49°. September is the most reliable, staying within 7°.
Where Heber-Overgaard’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 Heber-Overgaard’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Heber (black Mesa) Rs, AZ, 1.6 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 Heber-Overgaard’s climate
What is the weather like in Heber-Overgaard?
A typical July afternoon reaches 84°, a January night drops to 19°. Colder January nights than 63% of U.S. towns; cooler July afternoons than 62% of U.S. towns.
How cold does it get in Heber-Overgaard in winter?
January nights average 19°. 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 26°.
How hot does it get in Heber-Overgaard?
July, with a typical high of 84° and a low of 55°. About 8 days a year reach 90° (Heber (black Mesa) Rs, AZ).
When is the first and last frost in Heber-Overgaard?
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 Heber-Overgaard in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −2°.
What is the best time of year to visit Heber-Overgaard?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Heber-Overgaard getting warmer?
Yes: 1991–2020 averaged 1.7° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 70% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Heber-Overgaard.
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.