Denio, Nevada climate: Normal weather by month, frost dates and records
Denio's normal year runs from 22°F December nights to 94°F July afternoons, with 9.1 inches of precipitation and 20 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 10.6°C, December lows of −6°C, July highs of 35°C, 231 mm of precipitation a year.
- NOAA stationDenio
- Station IDUSC00262229
- Location41.99°N 118.63°W
- Elevation4,190 ft (1,277 m)
- Population (census place)12
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Denio.
- Jan 44° 22°
- Feb 49° 24°
- Mar 58° 29°
- Apr 64° 32°
- May 74° 39°
- Jun 84° 46°
- Jul 94° 54°
- Aug 93° 52°
- Sep 83° 43°
- Oct 69° 34°
- Nov 53° 26°
- Dec 42° 22°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Denio each month?
July is the warmest month, with normal highs of 94°F; December the coldest, with normal lows of 22°F. The most precipitation falls in May (1.36 in), the least in July (0.25 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 44°F | 22°F | 32.7°F | 0.73 | 5.7 | 5 | <1 | 26 | 9 h 30 min |
| February | 49°F | 24°F | 36.4°F | 0.82 | 2.3 | 5 | <1 | 23 | 10 h 30 min |
| March | 58°F | 29°F | 43.2°F | 0.98 | 1.3 | 7 | <1 | 20 | 11 h 50 min |
| April | 64°F | 32°F | 47.8°F | 1.00 | 1.5 | 7 | <1 | 16 | 13 h 20 min |
| May | 74°F | 39°F | 56.2°F | 1.36 | 0.1 | 7 | 1 | 6 | 14 h 30 min |
| June | 84°F | 46°F | 64.7°F | 0.76 | 0.0 | 5 | 7 | 1 | 15 h 10 min |
| July | 94°F | 54°F | 73.9°F | 0.25 | 0.0 | 2 | 21 | <1 | 15 h |
| August | 93°F | 52°F | 72.2°F | 0.30 | 0.0 | 2 | 20 | <1 | 14 h |
| September | 83°F | 43°F | 62.9°F | 0.29 | 0.0 | 2 | 5 | 2 | 12 h 30 min |
| October | 69°F | 34°F | 51.2°F | 0.65 | 0.6 | 4 | <1 | 12 | 11 h 10 min |
| November | 53°F | 26°F | 39.5°F | 0.77 | 1.0 | 5 | <1 | 21 | 9 h 50 min |
| December | 42°F | 22°F | 32.0°F | 1.19 | 7.3 | 6 | <1 | 26 | 9 h 10 min |
| Year (annual) | 67°F | 35°F | 51.0°F | 9.10 | 19.8 | 57 | 54 | 152 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 6°C | −6°C | 0.4°C | 19 mm | 14 cm |
| February | 9°C | −4°C | 2.4°C | 21 mm | 6 cm |
| March | 14°C | −2°C | 6.2°C | 25 mm | 3 cm |
| April | 18°C | 0°C | 8.8°C | 25 mm | 4 cm |
| May | 23°C | 4°C | 13.4°C | 35 mm | 0 cm |
| June | 29°C | 8°C | 18.2°C | 19 mm | 0 cm |
| July | 35°C | 12°C | 23.3°C | 6 mm | 0 cm |
| August | 34°C | 11°C | 22.3°C | 8 mm | 0 cm |
| September | 28°C | 6°C | 17.2°C | 7 mm | 0 cm |
| October | 20°C | 1°C | 10.7°C | 17 mm | 2 cm |
| November | 11°C | −3°C | 4.2°C | 20 mm | 3 cm |
| December | 6°C | −6°C | 0.0°C | 30 mm | 19 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00262229; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Denio?
Normal highs sit between 65°F and 85°F in May, June, September and October. Of those, September has the fewest days with rain (2).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00262229.
When is the last frost in Denio?
In Denio, the last spring frost (32°F) comes after May 30 in half of years and after June 15 in one year in ten; the first autumn frost comes before September 18 in half of years and before September 5 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- May 301 year in 10 after June 15; 9 in 10 after May 13
- First autumn frost, half of years before
- September 181 year in 10 before September 5; 9 in 10 before October 3
NOAA puts the median frost-free season at 111 days, and the season without a hard freeze (28°F) at 140 days.
A hard freeze (28°F) comes after May 11 in half of springs and before October 1 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Denio in zone 6b in ZIP code 97710, the nearest ZIP area.
Frost dates for every NOAA station in Nevada · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00262229; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Denio?
In a normal year in Denio, 54 days a year reach 90°F (5 of them 100°F or more), 152 nights fall to 32°F or colder and 57 days bring measurable precipitation.
- Days at 90°F or more
- 54a normal year
- Days at 100°F or more
- 5a normal year
- Nights at 32°F or colder
- 152a normal year
- Days that stay below freezing
- 11high of 32°F or less
- Days with 0.01 inch of precipitation
- 57a normal year
- Days with 1 inch of snow or more
- 7a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00262229.
How sunny is Denio?
Over a year 82% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Denio, 4.8 kWh per square metre a day. July is the sunniest month (92%) and December the cloudiest (64%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 69% | 2.0 |
| February | 71% | 3.0 |
| March | 73% | 4.2 |
| April | 77% | 5.7 |
| May | 80% | 6.8 |
| June | 87% | 7.8 |
| July | 92% | 7.8 |
| August | 92% | 6.9 |
| September | 89% | 5.5 |
| October | 84% | 3.8 |
| November | 75% | 2.4 |
| December | 64% | 1.6 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Denio need?
A normal year in Denio brings 5,750 heating degree days, 7% more than the median U.S. place (5,373), and 692 cooling degree days, 24% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,702 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,003 | 0 |
| February | 802 | 0 |
| March | 678 | 0 |
| April | 516 | 1 |
| May | 291 | 18 |
| June | 96 | 89 |
| July | 9 | 285 |
| August | 16 | 239 |
| September | 121 | 57 |
| October | 431 | 4 |
| November | 765 | 0 |
| December | 1,023 | 0 |
| Year (annual) | 5,750 | 692 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00262229. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Denio's climate compare?
Denio is warmer than 23 of the other 54 places with their own NOAA record in Nevada, and wetter than 30. Across the 7,247 U.S. stations with normals, its annual mean of 51.0°F is warmer than 45%.
In the Köppen classification computed from these normals, Denio is BSk: cold semi-arid steppe. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Denio's climate
What is the coldest month in Denio?
December, with a normal high of 42°F and a normal low of 22°F. The warmest is July (94°F by day, 54°F at night).
Does it snow in Denio?
Yes: 20 inches in a normal year, falling on 9 days with 0.1 inch or more, the most in December (7.3 inches).
What is the rainiest month in Denio?
May, with 1.36 in of precipitation in a normal year; the driest is July with 0.25 in.
What plant hardiness zone is Denio in?
The USDA's 2023 map puts Denio in zone 6b in ZIP code 97710, the nearest ZIP area.
How late can frost come in Denio?
In half of years the last 32°F night comes after May 30; in one year in ten it comes after June 15. Waiting until June 15 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Nevada climateThe statewide normals and every place in the state
- Fields, OR19 miles from this station, 50.0°F a year
- Kings River Valley - Orovada (26 mi NW), NV27 miles from this station, 48.1°F a year
- Leonard Creek Ranch - Denio (33 mi S), NV33 miles from this station, 51.2°F a year
- McDermitt, NV47 miles from this station, 47.6°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made