Great Basin National Park, Nevada climate: Climate normals at a NOAA weather station

Great Basin National Park's normal year runs from 20°F December nights to 85°F July afternoons, with 14.3 inches of precipitation and 67 inches of snow a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 8.7°C, December lows of −7°C, July highs of 29°C, 362 mm of precipitation a year.

  • NOAA stationGreat Basin National Park
  • Station IDUSC00263340
  • Location39.01°N 114.22°W
  • Elevation6,850 ft (2,088 m)

On October 23, the normal high in Great Basin National Park is 57°F and the normal low 34°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 Great Basin National Park.

  1. Jan 40° 20°
  2. Feb 41° 21°
  3. Mar 48° 27°
  4. Apr 55° 32°
  5. May 64° 40°
  6. Jun 76° 49°
  7. Jul 85° 58°
  8. Aug 83° 56°
  9. Sep 73° 48°
  10. Oct 60° 36°
  11. Nov 48° 26°
  12. Dec 40° 20°

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 Great Basin National Park each month?

July is the warmest month, with normal highs of 85°F; December the coldest, with normal lows of 20°F. The most precipitation falls in April (1.57 in), the least in November (0.86 in).

Great Basin National Park monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.SnowWet days90°F daysFreezing nightsDaylight
January 40°F20°F29.6°F 1.3012.3 7<1309 h 40 min
February 41°F21°F30.6°F 1.4920.7 7<12510 h 40 min
March 48°F27°F37.6°F 1.217.3 7<12311 h 50 min
April 55°F32°F43.6°F 1.577.2 7<11613 h 10 min
May 64°F40°F52.3°F 1.250.7 8<1614 h 20 min
June 76°F49°F62.8°F 1.100.0 52114 h 50 min
July 85°F58°F71.4°F 0.900.0 77<114 h 40 min
August 83°F56°F69.3°F 1.220.0 74<113 h 40 min
September 73°F48°F60.6°F 1.080.0 6<1112 h 30 min
October 60°F36°F48.2°F 1.282.0 6<11011 h 10 min
November 48°F26°F36.8°F 0.866.9 6<12210 h 10 min
December 40°F20°F29.5°F 0.999.6 6<1299 h 30 min
Year (annual)59°F36°F47.7°F14.2566.77713162
The same normals in °C and millimetres
Great Basin National Park monthly normals, 1991-2020 (°C, mm, snow in cm)
MonthHighLowMeanPrecip.Snow
January4°C−7°C−1.3°C33 mm31 cm
February5°C−6°C−0.8°C38 mm53 cm
March9°C−3°C3.1°C31 mm19 cm
April13°C0°C6.4°C40 mm18 cm
May18°C5°C11.3°C32 mm2 cm
June25°C10°C17.1°C28 mm0 cm
July29°C15°C21.9°C23 mm0 cm
August28°C13°C20.7°C31 mm0 cm
September23°C9°C15.9°C27 mm0 cm
October16°C2°C9.0°C33 mm5 cm
November9°C−3°C2.7°C22 mm18 cm
December4°C−7°C−1.4°C25 mm24 cm
Normal daily high and low by month, Great Basin National Park
Normal precipitation by month, Great Basin National Park (inches)

Source: NOAA NCEI 1991-2020 monthly normals, station USC00263340; 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 Great Basin National Park?

Normal highs sit between 65°F and 85°F in June, July, August 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 USC00263340.

When is the last frost at Great Basin National Park?

In Great Basin National Park, the last spring frost (32°F) comes after May 27 in half of years and after June 16 in one year in ten; the first autumn frost comes before October 2 in half of years and before September 19 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 16; 9 in 10 after May 5
First autumn frost, half of years before
October 21 year in 10 before September 19; 9 in 10 before October 17

NOAA puts the median frost-free season at 128 days, and the season without a hard freeze (28°F) at 155 days.

A hard freeze (28°F) comes after May 10 in half of springs and before October 12 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Great Basin National Park in zone 6b in ZIP code 89311, 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 6b: the coldest night of a typical year reaches −1°F (19 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 USC00263340; 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 Great Basin National Park?

In a normal year in Great Basin National Park, 13 days a year reach 90°F, 162 nights fall to 32°F or colder and 77 days bring measurable precipitation.

Days at 90°F or more
13a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
162a normal year
Days that stay below freezing
21high of 32°F or less
Days with 0.01 inch of precipitation
77a normal year
Days with 1 inch of snow or more
20a normal year

The highest temperature in this station's record (since 1937) is 100°F, on June 28, 2013; the lowest is −20°F, on January 13, 1963.

The wettest calendar year on that record is 1983, with 18.85 in; the snowiest season is 1951–52, with 188.7 inches.

Source: NOAA NCEI 1991-2020 annual normals, station USC00263340; records: ACIS (NOAA Regional Climate Centers), station USC00263340. Records use complete months only; a month missing more than three days is left out.

How sunny is it at Great Basin National Park?

Over a year 82% of the sunlight that would reach the ground under clear skies gets through the clouds at Great Basin National Park, 5.0 kWh per square metre a day. September is the sunniest month (88%) and December the cloudiest (73%).

Great Basin National Park: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January77%2.5
February77%3.5
March77%4.7
April77%5.8
May79%6.8
June87%7.9
July84%7.2
August86%6.7
September88%5.6
October84%4.1
November80%2.8
December73%2.1

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 Great Basin National Park record?

A normal year at Great Basin National Park brings 6,749 heating degree days, 26% more than the median U.S. place (5,373), and 469 cooling degree days, 48% 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 2,271 growing degree days a year above 50°F.

Great Basin National Park: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January1,0970
February9630
March8480
April6420
May4027
June13569
July11208
August19154
September16531
October5221
November8460
December1,0990
Year (annual)6,749469

Source: NOAA NCEI 1991-2020 monthly normals, station USC00263340. 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 Great Basin National Park been warmer than normal?

2022 averaged 48.9°F, 1.2°F above the 1991-2020 normal of 47.7°F.

Great Basin National Park: each recent year's mean against the 1991-2020 normal (47.7°F)
YearMeanAgainst normalPrecip.Snow
202248.9°F+1.2°F12.73–

Source: observed years: ACIS, station USC00263340. A year counts only with all twelve months complete.

How does Great Basin National Park's climate compare?

Great Basin National Park is warmer than 13 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 47.7°F is warmer than 31%.

In the Köppen classification computed from these normals, Great Basin National Park is Dfb: continental, no dry season, 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 Great Basin National Park's climate

What is the coldest month at Great Basin National Park?

December, with a normal high of 40°F and a normal low of 20°F. The warmest is July (85°F by day, 58°F at night).

Does it snow at Great Basin National Park?

Yes: 67 inches in a normal year, falling on 25 days with 0.1 inch or more, the most in February (20.7 inches).

What is the rainiest month at Great Basin National Park?

April, with 1.57 in of precipitation in a normal year; the driest is November with 0.86 in.

What plant hardiness zone is Great Basin National Park in?

The USDA's 2023 map puts Great Basin National Park in zone 6b in ZIP code 89311, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches −1°F (19 years, 1991-2020): zone 6b.

How late can frost come at Great Basin National Park?

In half of years the last 32°F night comes after May 27; in one year in ten it comes after June 16. Waiting until June 16 leaves about a one-in-ten chance of a later frost.

Nearby and next

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