McGill, Nevada climate: Normal weather by month, frost dates and records
McGill's normal year runs from 14°F December nights to 88°F July afternoons, with 8.8 inches of precipitation and 37 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 8.7°C, December lows of −10°C, July highs of 31°C, 225 mm of precipitation a year.
- NOAA stationMcGill
- Station IDUSC00264950
- Location39.41°N 114.77°W
- Elevation6,270 ft (1,911 m)
- Population (census place)1,043
On October 23, the normal high in McGill is 62°F and the normal low 29°F, and the chance of measurable rain or snow is 14%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for McGill.
- Jan 41° 15°
- Feb 44° 18°
- Mar 53° 24°
- Apr 59° 30°
- May 69° 38°
- Jun 80° 46°
- Jul 88° 54°
- Aug 87° 53°
- Sep 78° 43°
- Oct 65° 31°
- Nov 51° 22°
- Dec 41° 14°
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 McGill each month?
July is the warmest month, with normal highs of 88°F; December the coldest, with normal lows of 14°F. The most precipitation falls in April (1.06 in), the least in July (0.49 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 41°F | 15°F | 28.0°F | 0.65 | 6.3 | 5 | <1 | 30 | 9 h 40 min |
| February | 44°F | 18°F | 30.9°F | 0.74 | 7.7 | 6 | <1 | 26 | 10 h 40 min |
| March | 53°F | 24°F | 38.6°F | 0.90 | 5.9 | 5 | <1 | 26 | 11 h 50 min |
| April | 59°F | 30°F | 44.6°F | 1.06 | 3.6 | 6 | <1 | 19 | 13 h 10 min |
| May | 69°F | 38°F | 53.0°F | 1.04 | 1.2 | 6 | <1 | 8 | 14 h 20 min |
| June | 80°F | 46°F | 63.0°F | 0.60 | 0.0 | 3 | 3 | 1 | 15 h |
| July | 88°F | 54°F | 71.0°F | 0.49 | 0.0 | 3 | 13 | <1 | 14 h 40 min |
| August | 87°F | 53°F | 69.8°F | 0.54 | 0.0 | 4 | 8 | <1 | 13 h 50 min |
| September | 78°F | 43°F | 60.2°F | 0.75 | 0.0 | 4 | 1 | 2 | 12 h 30 min |
| October | 65°F | 31°F | 48.1°F | 0.75 | 0.6 | 4 | <1 | 16 | 11 h 10 min |
| November | 51°F | 22°F | 36.7°F | 0.66 | 3.4 | 4 | <1 | 25 | 10 h |
| December | 41°F | 14°F | 27.7°F | 0.67 | 8.2 | 5 | <1 | 29 | 9 h 20 min |
| Year (annual) | 63°F | 32°F | 47.6°F | 8.85 | 36.9 | 54 | 25 | 181 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 5°C | −9°C | −2.2°C | 17 mm | 16 cm |
| February | 7°C | −8°C | −0.6°C | 19 mm | 20 cm |
| March | 12°C | −4°C | 3.7°C | 23 mm | 15 cm |
| April | 15°C | −1°C | 7.0°C | 27 mm | 9 cm |
| May | 20°C | 3°C | 11.7°C | 26 mm | 3 cm |
| June | 27°C | 8°C | 17.2°C | 15 mm | 0 cm |
| July | 31°C | 12°C | 21.7°C | 12 mm | 0 cm |
| August | 31°C | 12°C | 21.0°C | 14 mm | 0 cm |
| September | 25°C | 6°C | 15.7°C | 19 mm | 0 cm |
| October | 18°C | 0°C | 8.9°C | 19 mm | 2 cm |
| November | 11°C | −5°C | 2.6°C | 17 mm | 9 cm |
| December | 5°C | −10°C | −2.4°C | 17 mm | 21 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00264950; 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 McGill?
Normal highs sit between 65°F and 85°F in May, June, September and October. 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 USC00264950.
When is the last frost in McGill?
In McGill, the last spring frost (32°F) comes after May 28 in half of years and after June 13 in one year in ten; the first autumn frost comes before September 24 in half of years and before September 11 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 281 year in 10 after June 13; 9 in 10 after May 10
- First autumn frost, half of years before
- September 241 year in 10 before September 11; 9 in 10 before October 6
NOAA puts the median frost-free season at 119 days, and the season without a hard freeze (28°F) at 147 days.
A hard freeze (28°F) comes after May 11 in half of springs and before October 4 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts McGill in zone 6a in ZIP code 89318, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, McGill's NOAA station is in zone 6a: the coldest night of a typical year reaches −8°F (24 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 USC00264950; 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 in McGill?
In a normal year in McGill, 25 days a year reach 90°F, 181 nights fall to 32°F or colder and 54 days bring measurable precipitation.
- Days at 90°F or more
- 25a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 181a normal year
- Days that stay below freezing
- 20high of 32°F or less
- Days with 0.01 inch of precipitation
- 54a normal year
- Days with 1 inch of snow or more
- 11a normal year
The highest temperature in this station's record (since 1892) is 104°F, on July 27, 1898; the lowest is −25°F, on January 20, 1937.
The wettest calendar year on that record is 1918, with 16.21 in; the snowiest season is 2010–11, with 72.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00264950; records: ACIS (NOAA Regional Climate Centers), station USC00264950. Records use complete months only; a month missing more than three days is left out.
How sunny is McGill?
Over a year 82% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around McGill, 5.0 kWh per square metre a day. September is the sunniest month (88%) and December the cloudiest (73%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 77% | 2.5 |
| February | 77% | 3.5 |
| March | 77% | 4.7 |
| April | 77% | 5.8 |
| May | 79% | 6.8 |
| June | 87% | 7.9 |
| July | 84% | 7.2 |
| August | 86% | 6.7 |
| September | 88% | 5.6 |
| October | 84% | 4.1 |
| November | 80% | 2.8 |
| December | 73% | 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 much heating and cooling does McGill need?
A normal year in McGill brings 6,754 heating degree days, 26% more than the median U.S. place (5,373), and 454 cooling degree days, 50% 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 2,269 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,145 | 0 |
| February | 955 | 0 |
| March | 819 | 0 |
| April | 611 | 0 |
| May | 378 | 6 |
| June | 121 | 63 |
| July | 11 | 195 |
| August | 15 | 163 |
| September | 169 | 27 |
| October | 524 | 1 |
| November | 851 | 0 |
| December | 1,156 | 0 |
| Year (annual) | 6,754 | 454 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00264950. 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.
Has McGill been warmer than normal lately?
2025 averaged 49.3°F, 1.7°F above the 1991-2020 normal of 47.6°F. 2 of the 3 complete years since 2023 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2023 | 44.9°F | −2.7°F | 13.81 | – |
| 2024 | 48.7°F | +1.1°F | – | – |
| 2025 | 49.3°F | +1.7°F | – | – |
Over 75 complete years from 1916 to 2025, the station's annual mean temperature rose at a fitted 2.8°F per century (+0.15°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00264950; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does McGill's climate compare?
McGill is warmer than 11 of the other 54 places with their own NOAA record in Nevada, and wetter than 28. Across the 7,247 U.S. stations with normals, its annual mean of 47.6°F is warmer than 30%.
In the Köppen classification computed from these normals, McGill 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 McGill's climate
What is the coldest month in McGill?
December, with a normal high of 41°F and a normal low of 14°F. The warmest is July (88°F by day, 54°F at night).
Does it snow in McGill?
Yes: 37 inches in a normal year, falling on 14 days with 0.1 inch or more, the most in December (8.2 inches).
What is the rainiest month in McGill?
April, with 1.06 in of precipitation in a normal year; the driest is July with 0.49 in.
What plant hardiness zone is McGill in?
The USDA's 2023 map puts McGill in zone 6a in ZIP code 89318, the nearest ZIP area. By the same method at McGill's NOAA station, the coldest night of a typical year reaches −8°F (24 years, 1991-2020): zone 6a.
How late can frost come in McGill?
In half of years the last 32°F night comes after May 28; in one year in ten it comes after June 13. Waiting until June 13 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Nevada climateThe statewide normals and every place in the state
- Ely, NV9 miles from this station, 46.1°F a year
- Ruth, NV15 miles from this station, 42.4°F a year
- Moorman Ranch - Ruth (16 mi WNW), NV30 miles from this station, 43.5°F a year
- Shoshone (5 mi N), NV40 miles from this station, 48.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made