Banks, ID climate
Banks has chilly, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 86°, a January night drops to 22°, and about 69 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Banks feels like
Winter
Spring
Summer
Fall
Banks 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 | 35° | 22° | 3.0" | 22.8" | 12 | 30 | 20° – 35° |
| February | 40° | 24° | 2.3" | 10.2" | 11 | 24 | 26° – 39° |
| March | 49° | 29° | 2.4" | 3.5" | 11 | 13 | 34° – 45° |
| April | 56° | 33° | 2.0" | 0.4" | 10 | 0 | 39° – 50° |
| May | 66° | 41° | 2.1" | 0 | 9 | 0 | 47° – 60° |
| June | 75° | 48° | 1.4" | 0 | 7 | 0 | 57° – 69° |
| July | 86° | 56° | 0.4" | 0 | 3 | 0 | 61° – 78° |
| August | 86° | 57° | 0.4" | 0 | 2 | 0 | 65° – 74° |
| September | 76° | 48° | 0.8" | 0 | 4 | 0 | 58° – 67° |
| October | 60° | 38° | 1.5" | 0.3" | 7 | 0 | 41° – 55° |
| November | 43° | 28° | 2.5" | 8.0" | 11 | 4 | 29° – 41° |
| December | 34° | 22° | 3.4" | 24.2" | 13 | 23 | 20° – 33° |
| Year | 59° | 37° | 22.1" | 69.4" | 98 | 94 |
“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 Banks
Banks gets 22 inches of rain and melted snow a year. December is the wettest month and August the driest. Rain or snow falls on about 98 days a year. Snow covers the ground about 94 days of the year.
About 102 frost-free days a year
In half of years the last 32° night comes by June 1 and the first one by September 10. That leaves about 102 frost-free days for gardens, shorter than 99% of U.S. towns.
Heating and cooling a home in Banks
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Banks, 96% of that work is heating and 4% 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 Banks 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 Banks averaged 1.1° warmer than the 1900s. The biggest change is in January (+2.7°). The shift is smaller than in 60% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Banks’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. July swings the most: between 1991 and 2020 its average temperature ranged from 61° to 78°. September is the most reliable, staying within 9°.
Common questions about Banks’s climate
What is the coldest month in Banks?
December, with a typical high of 34° and a low of 22°.
What is the hottest month in Banks?
July, with a typical high of 86° and a low of 56°. About 46 days a year reach 90°.
How much snow does Banks get?
About 69 inches in a normal winter, most of it in December.
When is the first frost in Banks?
In half of years the first 32° night comes by September 10, and the last spring frost by June 1.
What is the rainiest month in Banks?
December, with 3.4 inches of rain and melted snow. The year totals 22 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Banks itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Garden Valley, ID (8 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.