Bonners Ferry, ID climate
Bonners Ferry has chilly, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 84°, a January night drops to 22°, and about 54 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Bonners Ferry feels like
Winter
Spring
Summer
Fall
Bonners Ferry 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 | 33° | 22° | 2.7" | 15.0" | 13 | 25 | 20° – 34° |
| February | 38° | 23° | 1.7" | 10.8" | 9 | 14 | 21° – 37° |
| March | 48° | 28° | 2.0" | 3.7" | 11 | 6 | 33° – 43° |
| April | 58° | 34° | 1.5" | 0.4" | 9 | 0 | 41° – 53° |
| May | 68° | 41° | 1.9" | 0 | 10 | 0 | 50° – 62° |
| June | 74° | 47° | 2.0" | 0 | 10 | 0 | 57° – 68° |
| July | 84° | 51° | 0.9" | 0 | 6 | 0 | 59° – 73° |
| August | 84° | 50° | 0.8" | 0 | 4 | 0 | 62° – 71° |
| September | 72° | 43° | 1.1" | 0 | 7 | 0 | 54° – 62° |
| October | 56° | 34° | 2.0" | 0.2" | 10 | 0 | 40° – 51° |
| November | 41° | 28° | 2.7" | 6.4" | 13 | 4 | 27° – 41° |
| December | 33° | 22° | 3.1" | 17.3" | 13 | 18 | 21° – 32° |
| Year | 57° | 35° | 22.2" | 53.8" | 114 | 66 |
“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 Bonners Ferry
Bonners Ferry 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 114 days a year. Snow covers the ground about 66 days of the year.
About 154 frost-free days a year
In half of years the last 32° night comes by April 30 and the first one by October 4. That leaves about 154 frost-free days for gardens, shorter than 77% of U.S. towns.
Heating and cooling a home in Bonners Ferry
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Bonners Ferry, 95% of that work is heating and 5% 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 Bonners Ferry 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 Bonners Ferry averaged 1.4° warmer than the 1900s. The biggest change is in January (+3.7°). The shift is larger than in 62% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Bonners Ferry’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 21° to 37°. September is the most reliable, staying within 8°.
Common questions about Bonners Ferry’s climate
What is the coldest month in Bonners Ferry?
January, with a typical high of 33° and a low of 22°.
What is the hottest month in Bonners Ferry?
July, with a typical high of 84° and a low of 51°. About 21 days a year reach 90°.
How much snow does Bonners Ferry get?
About 54 inches in a normal winter, most of it in December.
When is the first frost in Bonners Ferry?
In half of years the first 32° night comes by October 4, and the last spring frost by April 30.
What is the rainiest month in Bonners Ferry?
December, with 3.1 inches of rain and melted snow. The year totals 22 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Bonners Ferry itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Bonners Ferry, ID (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.