Knights Ferry, CA climate
Knights Ferry has mild winters and hot summers, with very little rain. A typical July afternoon reaches 96°, a January night drops to 38°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Knights Ferry feels like
Winter
Spring
Summer
Fall
Knights 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 | 56° | 38° | 3.4" | 0 | 13 | 0 | 43° – 52° |
| February | 62° | 40° | 3.3" | 0 | 11 | 0 | 47° – 55° |
| March | 67° | 42° | 2.8" | 0.2" | 11 | 0 | 48° – 60° |
| April | 73° | 45° | 1.4" | 0 | 7 | 0 | 54° – 63° |
| May | 81° | 51° | 0.8" | 0 | 5 | 0 | 59° – 74° |
| June | 90° | 56° | 0.2" | 0 | 2 | 0 | 68° – 78° |
| July | 96° | 61° | 0.0" | 0 | 0 | 0 | 74° – 82° |
| August | 94° | 60° | 0.0" | 0 | 0 | 0 | 73° – 81° |
| September | 90° | 57° | 0.1" | 0 | 1 | 0 | 69° – 77° |
| October | 79° | 49° | 0.9" | 0 | 4 | 0 | 61° – 69° |
| November | 66° | 42° | 1.7" | 0 | 8 | 0 | 46° – 59° |
| December | 56° | 38° | 2.9" | 0 | 12 | 0 | 43° – 51° |
| Year | 76° | 48° | 17.4" | 0.2" | 75 | 0 |
“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 Knights Ferry
Knights Ferry gets 17 inches of rain and melted snow a year. January is the wettest month and July the driest. Rain or snow falls on about 75 days a year.
About 290 frost-free days a year
In half of years the last 32° night comes by February 20 and the first one by December 11. That leaves about 290 frost-free days for gardens, longer than 94% of U.S. towns.
Heating and cooling a home in Knights Ferry
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Knights Ferry, 58% of that work is heating and 42% is cooling.
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 Knights 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 Knights Ferry averaged 1.2° warmer than the 1900s. The biggest change is in January (+2.2°). The shift is larger than in 52% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Knights Ferry’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. May swings the most: between 1991 and 2020 its average temperature ranged from 59° to 74°. August is the most reliable, staying within 8°.
Common questions about Knights Ferry’s climate
What is the coldest month in Knights Ferry?
December, with a typical high of 56° and a low of 38°.
What is the hottest month in Knights Ferry?
July, with a typical high of 96° and a low of 61°. About 98 days a year reach 90°.
How much snow does Knights Ferry get?
Almost none. A normal year brings 0.2 inches.
When is the first frost in Knights Ferry?
In half of years the first 32° night comes by December 11, and the last spring frost by February 20.
What is the rainiest month in Knights Ferry?
January, with 3.4 inches of rain and melted snow. The year totals 17 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Knights Ferry itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at New Melones Dam Hq, CA (16 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.