McGrew, NE climate
McGrew has chilly, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 90°, a January night drops to 15°, and about 43 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in McGrew feels like
Winter
Spring
Summer
Fall
McGrew weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 41° | 15° | 0.3" | 5.3" | 5 | 10 | 21° – 36° |
| February | 44° | 17° | 0.5" | 7.5" | 6 | 7 | 20° – 39° |
| March | 54° | 25° | 0.9" | 6.8" | 7 | 4 | 31° – 49° |
| April | 62° | 32° | 1.8" | 5.2" | 9 | 2 | 41° – 53° |
| May | 71° | 43° | 2.9" | 0.9" | 12 | 0 | 51° – 62° |
| June | 83° | 53° | 2.5" | 0 | 11 | 0 | 62° – 75° |
| July | 90° | 59° | 2.1" | 0 | 8 | 0 | 69° – 79° |
| August | 88° | 56° | 1.6" | 0 | 7 | 0 | 67° – 76° |
| September | 79° | 47° | 1.5" | 0.3" | 7 | 0 | 57° – 68° |
| October | 64° | 33° | 1.2" | 3.5" | 7 | 1 | 40° – 55° |
| November | 51° | 23° | 0.5" | 5.2" | 5 | 4 | 27° – 44° |
| December | 41° | 15° | 0.4" | 7.8" | 5 | 9 | 19° – 34° |
| Year | 64° | 35° | 16.3" | 42.5" | 89 | 36 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in McGrew
McGrew gets 16 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 89 days a year. Snow covers the ground about 36 days of the year.
About 149 frost-free days a year
In half of years the last 32° night comes by May 5 and the first one by October 4. That leaves about 149 frost-free days for gardens, shorter than 82% of U.S. towns.
Heating and cooling a home in McGrew
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In McGrew, 88% of that work is heating and 12% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How McGrew compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in McGrew averaged 1.5° warmer than the 1900s. The biggest change is in March (+3.4°). The shift is larger than in 72% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at McGrew’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 20° to 39°. August is the most reliable, staying within 9°.
Common questions about McGrew’s climate
What is the coldest month in McGrew?
December, with a typical high of 41° and a low of 15°.
What is the hottest month in McGrew?
July, with a typical high of 90° and a low of 59°. About 49 days a year reach 90°.
How much snow does McGrew get?
About 43 inches in a normal winter, most of it in December.
When is the first frost in McGrew?
In half of years the first 32° night comes by October 4, and the last spring frost by May 5.
What is the rainiest month in McGrew?
May, with 2.9 inches of rain and melted snow. The year totals 16 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for McGrew itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Scottsbluff Heilig Airport, NE (12 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.