Photo: Famartin · CC BY-SA 3.0Tonopah’s winters are milder than most of the U.S.; July afternoons average 89°
A typical July afternoon reaches 89°, a January night drops to 24°.
A year in Tonopah at a glance
Each month’s typical high and low, and what it brings.
What stands out about Tonopah’s climate
Compared with towns across the U.S., with Tonopah’s place in Nevada beside it.
What a year in Tonopah feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 173 frost-free days a year
In half of years the last 32° night comes by April 30 and the first by October 22. Frost and day counts come from NOAA’s station at Tonopah, NV, 1.1 miles from the town’s center, 140 ft lower.
The 2023 USDA map puts Tonopah’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 3°. 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 6 inches of rain a year
March is the wettest month and June the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Tonopah
88% 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 Tonopah, NV.
Living with Tonopah’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
173 frost-free days in zone 7a. The last frost comes by Apr 30 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 22.
Months with highs of 62–84° and lows of 40° or more: May, June, September and October. 71 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Tonopah from natural hazards, river flooding is the largest share (44%); heat waves, cold waves, winter storms and ice storms together are 8%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Tonopah and similar climates
TownRatings has no climate map of the towns around Tonopah 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 Tonopah averaged 2.7° warmer than the 1900s. The biggest change is in January (+4.0°).
A bigger shift than in all but 18 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 Tonopah compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Tonopah’s place among Nevada’s.
Tonopah weather by month
Highs, lows and precipitation from NOAA’s grid at Tonopah’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 44° | 24° | 0.6" | 29° – 41° |
| February | 47° | 25° | 0.7" | 30° – 43° |
| March | 55° | 30° | 0.7" | 35° – 49° |
| April | 62° | 35° | 0.4" | 43° – 55° |
| May | 71° | 44° | 0.6" | 50° – 63° |
| June | 82° | 53° | 0.3" | 60° – 72° |
| July | 89° | 61° | 0.6" | 71° – 79° |
| August | 88° | 59° | 0.5" | 70° – 78° |
| September | 79° | 51° | 0.4" | 61° – 69° |
| October | 66° | 40° | 0.5" | 49° – 59° |
| November | 53° | 29° | 0.3" | 31° – 47° |
| December | 43° | 22° | 0.4" | 26° – 37° |
| Year | 65° | 40° | 5.8" |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 31° to 47°. September is the most reliable, staying within 8°.
Where Tonopah’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 Tonopah’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Tonopah, NV, 1.1 miles from the town’s center, 140 ft lower; 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 Tonopah’s climate
What is the weather like in Tonopah?
A typical July afternoon reaches 89°, a January night drops to 24°. Milder January nights than 59% of U.S. towns; hotter July afternoons than 74% of U.S. towns.
How cold does it get in Tonopah in winter?
December nights average 22°. About 127 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 Tonopah?
July, with a typical high of 89° and a low of 61°. About 32 days a year reach 90° (Tonopah, NV).
When is the first and last frost in Tonopah?
In half of years the last spring frost (32°) comes by April 30 and the first fall frost by October 22, about 173 frost-free days, at Tonopah, NV.
What growing zone is Tonopah in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 3°.
What is the best time of year to visit Tonopah?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Tonopah getting warmer?
Yes: 1991–2020 averaged 2.7° warmer than 1901–2000 on NOAA’s grid. A bigger shift than all but 18 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Tonopah.
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.