Diamond Valley - Eureka (14 mi NNW), Nevada climate: Climate normals at a NOAA weather station
Diamond Valley - Eureka (14 mi NNW)'s normal year runs from 12°F December nights to 87°F July afternoons, with 8.7 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 7.6°C, December lows of −11°C, July highs of 31°C, 221 mm of precipitation a year.
- NOAA stationDiamond Valley - Eureka (14 mi NNW)
- Station IDUSC00262296
- Location39.71°N 116.05°W
- Elevation5,890 ft (1,795 m)
On October 24, the normal high in Diamond Valley - Eureka (14 mi NNW) is 61°F and the normal low 26°F, and the chance of measurable rain or snow is 12%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Diamond Valley - Eureka (14 mi NNW).
- Jan 39° 12°
- Feb 43° 17°
- Mar 52° 23°
- Apr 59° 28°
- May 68° 35°
- Jun 79° 41°
- Jul 87° 48°
- Aug 86° 47°
- Sep 77° 39°
- Oct 64° 29°
- Nov 50° 20°
- Dec 39° 12°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Diamond Valley - Eureka (14 mi NNW) each month?
July is the warmest month, with normal highs of 87°F; December the coldest, with normal lows of 12°F. The most precipitation falls in May (1.12 in), the least in August (0.43 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 39°F | 12°F | 25.5°F | 0.77 | 4 | <1 | 31 | 9 h 40 min |
| February | 43°F | 17°F | 30.1°F | 0.77 | 5 | <1 | 28 | 10 h 40 min |
| March | 52°F | 23°F | 37.5°F | 0.89 | 5 | <1 | 29 | 11 h 50 min |
| April | 59°F | 28°F | 43.1°F | 0.96 | 6 | <1 | 24 | 13 h 10 min |
| May | 68°F | 35°F | 51.4°F | 1.12 | 6 | <1 | 14 | 14 h 20 min |
| June | 79°F | 41°F | 60.2°F | 0.68 | 3 | 4 | 3 | 15 h |
| July | 87°F | 48°F | 67.8°F | 0.57 | 3 | 14 | <1 | 14 h 40 min |
| August | 86°F | 47°F | 66.5°F | 0.43 | 3 | 9 | 1 | 13 h 50 min |
| September | 77°F | 39°F | 58.2°F | 0.61 | 3 | <1 | 6 | 12 h 30 min |
| October | 64°F | 29°F | 46.4°F | 0.67 | 4 | <1 | 23 | 11 h 10 min |
| November | 50°F | 20°F | 35.0°F | 0.51 | 4 | <1 | 29 | 10 h |
| December | 39°F | 12°F | 25.4°F | 0.74 | 4 | <1 | 31 | 9 h 20 min |
| Year (annual) | 62°F | 29°F | 45.6°F | 8.72 | 50 | 27 | 217 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 4°C | −11°C | −3.6°C | 20 mm |
| February | 6°C | −8°C | −1.1°C | 20 mm |
| March | 11°C | −5°C | 3.1°C | 23 mm |
| April | 15°C | −2°C | 6.2°C | 24 mm |
| May | 20°C | 2°C | 10.8°C | 28 mm |
| June | 26°C | 5°C | 15.7°C | 17 mm |
| July | 31°C | 9°C | 19.9°C | 14 mm |
| August | 30°C | 8°C | 19.2°C | 11 mm |
| September | 25°C | 4°C | 14.6°C | 15 mm |
| October | 18°C | −2°C | 8.0°C | 17 mm |
| November | 10°C | −7°C | 1.7°C | 13 mm |
| December | 4°C | −11°C | −3.7°C | 19 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Eureka station (14 miles away), gets 47 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00262296; 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.
Which months are mildest at Diamond Valley - Eureka (14 mi NNW)?
Normal highs sit between 65°F and 85°F in May, June and September. Of those, June has the fewest days with rain (3).
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 USC00262296.
When is the last frost at Diamond Valley - Eureka (14 mi NNW)?
In Diamond Valley - Eureka (14 mi NNW), the last spring frost (32°F) comes after June 10 in half of years and after June 27 in one year in ten; the first autumn frost comes before September 16 in half of years and before September 2 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
- June 101 year in 10 after June 27; 9 in 10 after May 26
- First autumn frost, half of years before
- September 161 year in 10 before September 2; 9 in 10 before September 30
NOAA puts the median frost-free season at 97 days, and the season without a hard freeze (28°F) at 122 days.
A hard freeze (28°F) comes after May 27 in half of springs and before September 27 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Diamond Valley - Eureka (14 mi NNW) in zone 5b in ZIP code 89316, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, the station is in zone 5b: the coldest night of a typical year reaches −14°F (16 complete years).
Frost dates for every NOAA station in Nevada · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00262296; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. 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 at Diamond Valley - Eureka (14 mi NNW)?
In a normal year in Diamond Valley - Eureka (14 mi NNW), 27 days a year reach 90°F, 217 nights fall to 32°F or colder and 50 days bring measurable precipitation.
- Days at 90°F or more
- 27a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 217a normal year
- Days that stay below freezing
- 18high of 32°F or less
- Days with 0.01 inch of precipitation
- 50a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00262296.
How sunny is it at Diamond Valley - Eureka (14 mi NNW)?
Over a year 82% of the sunlight that would reach the ground under clear skies gets through the clouds at Diamond Valley - Eureka (14 mi NNW), 5.0 kWh per square metre a day. September is the sunniest month (89%) and December the cloudiest (69%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 73% | 2.4 |
| February | 74% | 3.4 |
| March | 77% | 4.7 |
| April | 77% | 5.9 |
| May | 80% | 6.9 |
| June | 88% | 8.0 |
| July | 86% | 7.4 |
| August | 88% | 6.8 |
| September | 89% | 5.8 |
| October | 86% | 4.2 |
| November | 79% | 2.8 |
| December | 69% | 2.0 |
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 many heating and cooling degree days does Diamond Valley - Eureka (14 mi NNW) record?
A normal year at Diamond Valley - Eureka (14 mi NNW) brings 7,272 heating degree days, 35% more than the median U.S. place (5,373), and 221 cooling degree days, 76% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,819 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,225 | 0 |
| February | 979 | 0 |
| March | 851 | 0 |
| April | 656 | 0 |
| May | 424 | 1 |
| June | 163 | 20 |
| July | 26 | 111 |
| August | 34 | 82 |
| September | 213 | 7 |
| October | 578 | 0 |
| November | 899 | 0 |
| December | 1,228 | 0 |
| Year (annual) | 7,272 | 221 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00262296. 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 Diamond Valley - Eureka (14 mi NNW)'s climate compare?
Diamond Valley - Eureka (14 mi NNW) is warmer than 4 of the 55 places with their own NOAA record in Nevada, and wetter than 27. Across the 7,247 U.S. stations with normals, its annual mean of 45.6°F is warmer than 22%.
In the Köppen classification computed from these normals, Diamond Valley - Eureka (14 mi NNW) 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 Diamond Valley - Eureka (14 mi NNW)'s climate
What is the coldest month at Diamond Valley - Eureka (14 mi NNW)?
December, with a normal high of 39°F and a normal low of 12°F. The warmest is July (87°F by day, 48°F at night).
Does it snow at Diamond Valley - Eureka (14 mi NNW)?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Eureka station (14 miles away), records 47 inches of snow in a normal year.
What is the rainiest month at Diamond Valley - Eureka (14 mi NNW)?
May, with 1.12 in of precipitation in a normal year; the driest is August with 0.43 in.
What plant hardiness zone is Diamond Valley - Eureka (14 mi NNW) in?
The USDA's 2023 map puts Diamond Valley - Eureka (14 mi NNW) in zone 5b in ZIP code 89316, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches −14°F (16 years, 1991-2020): zone 5b.
How late can frost come at Diamond Valley - Eureka (14 mi NNW)?
In half of years the last 32°F night comes after June 10; in one year in ten it comes after June 27. Waiting until June 27 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Nevada climateThe statewide normals and every place in the state
- Eureka, NV7 miles from this station, 46.3°F a year
- Beowawe 49 mi S - University of Nevada Ranch, NV32 miles from this station, 47.9°F a year
- Ruby Lake National Wildlife Refuge, NV45 miles from this station, 46.6°F a year
- Moorman Ranch - Ruth (16 mi WNW), NV45 miles from this station, 43.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made