Photo: Famartin · CC BY-SA 4.0Denio’s winters are colder but less snowy than most of the U.S.
A typical July afternoon reaches 91°, a January night drops to 21°, and about 20 inches of snow falls in a normal winter.
A year in Denio at a glance
Each month’s typical high and low, and what it brings.
What stands out about Denio’s climate
Compared with towns across the U.S., with Denio’s place in Nevada beside it.
What a year in Denio feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 111 frost-free days a year
In half of years the last 32° night comes by May 30 and the first by September 18. Frost and day counts come from NOAA’s station at Denio, NV, 0.2 miles from the town’s center, at about the same height.
The 2023 USDA map puts Denio’s center in zone 6b: 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 20 inches of snow a winter
Snow, measured at Denio, NV, falls mostly in December. Precipitation (rain plus melted snow) adds up to 8 inches a year; May is the wettest month and August the driest. Rain or snow falls on about 57 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Denio
89% 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 Denio, NV.
Living with Denio’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
111 frost-free days in zone 6b. The last frost comes by May 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 Sep 18.
Months with highs of 62–84° and lows of 40° or more: May, June and September.
Parks & trails →Of the yearly building losses FEMA expects in Denio from natural hazards, wildfire is the largest share (65%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Denio and similar climates
TownRatings has no climate map of the towns around Denio yet.
Climates most like Denio’s, 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 |
|---|---|---|---|---|
| Denio, NV | 21° | 91° | 8" | 20" |
| Twin Falls, ID | 22° | 90° | 10" | 24" |
| Eagle Mountain, UT | 18° | 91° | 10" | 26" |
| Snowflake, AZ | 20° | 90° | 10" | 13" |
| Delta, CO | 17° | 93° | 9" | 22" |
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 Denio averaged 1.5° warmer than the 1900s. The biggest change is in January (+3.0°).
A bigger shift than in 62% 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 Denio compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Denio’s place among Nevada’s.
Denio weather by month
Highs, lows and precipitation from NOAA’s grid at Denio’s center; snow, wet days and snow on the ground from Denio, NV. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 41° | 21° | 0.8" | 5.7" | 5 | 22° – 39° |
| February | 47° | 24° | 0.5" | 2.3" | 5 | 27° – 43° |
| March | 56° | 29° | 0.8" | 1.3" | 7 | 36° – 48° |
| April | 62° | 32° | 0.9" | 1.5" | 7 | 43° – 53° |
| May | 71° | 40° | 1.3" | 0.1" | 7 | 49° – 63° |
| June | 81° | 47° | 0.7" | 0.0" | 5 | 59° – 72° |
| July | 91° | 55° | 0.2" | 0.0" | 2 | 63° – 77° |
| August | 90° | 53° | 0.2" | 0.0" | 2 | 65° – 75° |
| September | 80° | 44° | 0.4" | 0.0" | 2 | 58° – 67° |
| October | 67° | 34° | 0.7" | 0.6" | 4 | 43° – 57° |
| November | 51° | 26° | 0.7" | 1.0" | 5 | 30° – 45° |
| December | 40° | 21° | 0.8" | 7.3" | 6 | 26° – 36° |
| Year | 65° | 36° | 7.8" | 19.8" | 57 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 22° to 39°. September is the most reliable, staying within 9°.
Where Denio’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 Denio’s center.
- Snow: Denio, NV (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Denio, NV, 0.2 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 Denio’s climate
What is the weather like in Denio?
A typical July afternoon reaches 91°, a January night drops to 21°, and about 20 inches of snow falls in a normal winter. Colder January nights than 52% of U.S. towns; hotter July afternoons than 84% of U.S. towns.
How cold does it get in Denio in winter?
December nights average 21°. About 152 nights a year reach 32° or below and 2 reach 0° or below. In the coldest December of the last 30 years the month averaged 26°.
How much snow does Denio get?
About 20 inches in a normal winter at Denio, NV, most of it in December.
How hot does it get in Denio?
July, with a typical high of 91° and a low of 55°. About 54 days a year reach 90° and 5 reach 100° (Denio, NV).
When is the first and last frost in Denio?
In half of years the last spring frost (32°) comes by May 30 and the first fall frost by September 18, about 111 frost-free days, at Denio, NV.
What growing zone is Denio in?
Zone 6b 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 Denio?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Denio getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 62% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Denio.
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.