Ruby Lake National Wildlife Refuge, Nevada climate: Climate normals at a NOAA weather station

Ruby Lake National Wildlife Refuge's normal year runs from 14°F January nights to 88°F July afternoons, with 14.0 inches of precipitation and 52 inches of snow a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 8.1°C, January lows of −10°C, July highs of 31°C, 355 mm of precipitation a year.

  • NOAA stationRuby Lake National Wildlife Refuge
  • Station IDUSC00267123
  • Location40.20°N 115.49°W
  • Elevation6,019 ft (1,835 m)

On October 23, the normal high in Ruby Lake National Wildlife Refuge is 61°F and the normal low 28°F, and the chance of measurable rain or snow is 18%.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Ruby Lake National Wildlife Refuge.

  1. Jan 39° 14°
  2. Feb 42° 18°
  3. Mar 50° 25°
  4. Apr 56° 31°
  5. May 66° 39°
  6. Jun 78° 46°
  7. Jul 88° 53°
  8. Aug 87° 51°
  9. Sep 77° 41°
  10. Oct 64° 30°
  11. Nov 50° 22°
  12. Dec 39° 15°

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 Ruby Lake National Wildlife Refuge each month?

July is the warmest month, with normal highs of 88°F; January the coldest, with normal lows of 14°F. The most precipitation falls in January (1.73 in), the least in July (0.49 in).

Ruby Lake National Wildlife Refuge monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.SnowWet days90°F daysFreezing nightsDaylight
January 39°F14°F26.3°F 1.739.3 9<1309 h 40 min
February 42°F18°F29.8°F 1.369.6 9<12610 h 40 min
March 50°F25°F37.3°F 1.458.1 9<12611 h 50 min
April 56°F31°F43.3°F 1.516.1 10<11813 h 10 min
May 66°F39°F52.6°F 1.371.3 9<1614 h 20 min
June 78°F46°F62.2°F 0.770.0 53115 h
July 88°F53°F70.7°F 0.490.0 415<114 h 50 min
August 87°F51°F68.6°F 0.500.0 410<113 h 50 min
September 77°F41°F59.0°F 0.860.0 51312 h 30 min
October 64°F30°F46.7°F 1.101.5 6<12011 h 10 min
November 50°F22°F35.6°F 1.336.5 7<12610 h
December 39°F15°F27.0°F 1.509.4 9<1309 h 20 min
Year (annual)61°F32°F46.6°F13.9751.88528186
The same normals in °C and millimetres
Ruby Lake National Wildlife Refuge monthly normals, 1991-2020 (°C, mm, snow in cm)
MonthHighLowMeanPrecip.Snow
January4°C−10°C−3.2°C44 mm24 cm
February6°C−8°C−1.2°C35 mm24 cm
March10°C−4°C2.9°C37 mm21 cm
April13°C−1°C6.3°C38 mm15 cm
May19°C4°C11.4°C35 mm3 cm
June26°C8°C16.8°C20 mm0 cm
July31°C12°C21.5°C12 mm0 cm
August30°C10°C20.3°C13 mm0 cm
September25°C5°C15.0°C22 mm0 cm
October18°C−1°C8.2°C28 mm4 cm
November10°C−6°C2.0°C34 mm17 cm
December4°C−10°C−2.8°C38 mm24 cm
Normal daily high and low by month, Ruby Lake National Wildlife Refuge
Normal precipitation by month, Ruby Lake National Wildlife Refuge (inches)

Source: NOAA NCEI 1991-2020 monthly normals, station USC00267123; 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 Ruby Lake National Wildlife Refuge?

Normal highs sit between 65°F and 85°F in May, June and September. Of those, June has the fewest days with rain (5).

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 USC00267123.

When is the last frost at Ruby Lake National Wildlife Refuge?

In Ruby Lake National Wildlife Refuge, the last spring frost (32°F) comes after May 27 in half of years and after June 12 in one year in ten; the first autumn frost comes before September 23 in half of years and before September 10 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 271 year in 10 after June 12; 9 in 10 after May 5
First autumn frost, half of years before
September 231 year in 10 before September 10; 9 in 10 before October 4

NOAA puts the median frost-free season at 120 days, and the season without a hard freeze (28°F) at 147 days.

A hard freeze (28°F) comes after May 7 in half of springs and before October 2 in half of autumns.

By the USDA's method, the average of each year's coldest night over 1991-2020, the station is in plant hardiness zone 5b: the coldest night of a typical year reaches −10°F (26 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 USC00267123; 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 Ruby Lake National Wildlife Refuge?

In a normal year in Ruby Lake National Wildlife Refuge, 28 days a year reach 90°F, 186 nights fall to 32°F or colder and 85 days bring measurable precipitation.

Days at 90°F or more
28a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
186a normal year
Days that stay below freezing
23high of 32°F or less
Days with 0.01 inch of precipitation
85a normal year
Days with 1 inch of snow or more
20a normal year

The highest temperature in this station's record (since 1940) is 102°F, on July 14, 2002; the lowest is −29°F, on December 23, 1990.

The wettest calendar year on that record is 2005, with 20.03 in; the snowiest season is 1982–83, with 101.1 inches.

Source: NOAA NCEI 1991-2020 annual normals, station USC00267123; records: ACIS (NOAA Regional Climate Centers), station USC00267123. Records use complete months only; a month missing more than three days is left out.

How sunny is it at Ruby Lake National Wildlife Refuge?

Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds at Ruby Lake National Wildlife Refuge, 4.8 kWh per square metre a day. August is the sunniest month (89%) and December the cloudiest (65%).

Ruby Lake National Wildlife Refuge: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January71%2.2
February72%3.1
March72%4.3
April73%5.5
May78%6.7
June87%7.9
July88%7.5
August89%6.8
September88%5.6
October84%4.0
November75%2.5
December65%1.8

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 Ruby Lake National Wildlife Refuge record?

A normal year at Ruby Lake National Wildlife Refuge brings 7,084 heating degree days, 32% more than the median U.S. place (5,373), and 404 cooling degree days, 55% 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 2,126 growing degree days a year above 50°F.

Ruby Lake National Wildlife Refuge: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January1,2010
February9840
March8570
April6500
May3886
June13955
July13191
August25135
September19818
October5670
November8820
December1,1800
Year (annual)7,084404

Source: NOAA NCEI 1991-2020 monthly normals, station USC00267123. 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.

Have recent years at Ruby Lake National Wildlife Refuge been warmer than normal?

2022 averaged 46.1°F, 0.5°F below the 1991-2020 normal of 46.6°F. 1 of the 2 complete years since 2021 ran warmer than the normal.

Ruby Lake National Wildlife Refuge: each recent year's mean against the 1991-2020 normal (46.6°F)
YearMeanAgainst normalPrecip.Snow
202147.6°F+1.0°F13.63–
202246.1°F−0.5°F11.71–

Over 53 complete years from 1943 to 2022, the station's annual mean temperature rose at a fitted 3.0°F per century (+0.17°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.

Source: observed years: ACIS, station USC00267123; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.

How does Ruby Lake National Wildlife Refuge's climate compare?

Ruby Lake National Wildlife Refuge is warmer than 9 of the 55 places with their own NOAA record in Nevada, and wetter than 48. Across the 7,247 U.S. stations with normals, its annual mean of 46.6°F is warmer than 26%.

In the Köppen classification computed from these normals, Ruby Lake National Wildlife Refuge is Dsb: continental, dry-summer, warm summer. 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 Ruby Lake National Wildlife Refuge's climate

What is the coldest month at Ruby Lake National Wildlife Refuge?

January, with a normal high of 39°F and a normal low of 14°F. The warmest is July (88°F by day, 53°F at night).

Does it snow at Ruby Lake National Wildlife Refuge?

Yes: 52 inches in a normal year, falling on 34 days with 0.1 inch or more, the most in February (9.6 inches).

What is the rainiest month at Ruby Lake National Wildlife Refuge?

January, with 1.73 in of precipitation in a normal year; the driest is July with 0.49 in.

What plant hardiness zone is Ruby Lake National Wildlife Refuge in?

By the same method at the station, the coldest night of a typical year reaches −10°F (26 years, 1991-2020): zone 5b.

How late can frost come at Ruby Lake National Wildlife Refuge?

In half of years the last 32°F night comes after May 27; in one year in ten it comes after June 12. Waiting until June 12 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made