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Colfax, CAPhoto: Egaowakaii · CC BY 3.0
Climate in Colfax · NOAA 1991–2020 normals

Colfax’s winters are milder and less snowy than most of the U.S.

A typical July afternoon reaches 91°, a January night drops to 35°, and about 7 inches of snow falls in a normal winter.

Milder January nights than 81% of U.S. towns#692Mildest winters  of 758 in CA
Less snow than 68% of U.S. towns#688Least snow  of 710 in CA
All CA rankings →

A year in Colfax at a glance

Each month’s typical high and low, and what it brings.

Jan54°35°
Feb56°36°
Mar60°39°
Apr65°42° Last frost ~Apr 3
May73°48° 2 days 90°+
Jun83°54° 8 days 90°+
Jul91°61° 21 days 90°+
Aug90°59° 20 days 90°+
Sep85°55° 13 days 90°+
Oct74°47° 3 days 90°+
Nov now60°39° First frost ~Nov 24
Dec52°35° Wettest

What stands out about Colfax’s climate

Compared with towns across the U.S., with Colfax’s place in California beside it.

A normal year

What a year in Colfax feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
54° / 36°
3 days with 1"+ of snow
Spring
66° / 43°
Last frost around Apr 3
Summer
88° / 58°
66 days reach 90°
Fall
73° / 47°
First frost around Nov 24
Best months to be outsideAprMayJunOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 233 frost-free days a year

In half of years the last 32° night comes by April 3 and the first by November 24. Frost and day counts come from NOAA’s station at Colfax, CA, 0.3 miles from the town’s center, at about the same height.

37
nights at or below 32° in a normal year
664th fewest of 752 in California
Fewer freezing nights than 83% of U.S. towns
0
nights at or below 0°
None in a normal year
66
days that reach 90°
382nd most of 752 in California
More 90° days than 82% of U.S. towns
9
days that reach 100°
403rd most of 752 in California
More 100° days than 90% of U.S. towns
9aUSDA zone
Plant hardiness zone 9a

The 2023 USDA map puts Colfax’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 23°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

9
JFMAMJJASOND

90° days by month

Average days at 90° or more

21
JFMAMJJASOND
Rain & snow

About 7 inches of snow a winter

Snow, measured at Colfax, CA, falls mostly in February. Precipitation (rain plus melted snow) adds up to 48 inches a year; December is the wettest month and July the driest. Rain or snow falls on about 76 days a year.

48"
Rain + melted snow a year
16th wettest of 758 in California
Wetter than 77% of U.S. towns
7.2"
Snow in a normal winter
688th least snowy of 710 in California
Less snow than 68% of U.S. towns
1 days
With 1"+ of snow on the ground
664th fewest of 681 in California
Fewer days with snow on the ground than 73% of U.S. towns

Rain + melted snow by month

Inches of water

9.0"
JFMAMJJASOND

Snowfall by month

Inches of snow

3"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Colfax

72% of the work is heating. Months averaging under 55° run from November through April.

3,335 heating degree daysLess heating than 75% of U.S. towns
1,273 cooling degree daysMore cooling than 67% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Colfax, CA.

Living here

Living with Colfax’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

233 frost-free days in zone 9a. The last frost comes by Apr 3 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 24.

Get outside

Months with highs of 62–84° and lows of 40° or more: April, May, June and October.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Colfax from natural hazards, avalanches are the largest share (67%). Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door & far away

Colfax and similar climates

TownRatings has no climate map of the towns around Colfax yet.

Climates most like Colfax’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Colfax, CA35°91°48"7.2"
Stuttgart, AR33°91°50"3.3"
Five Forks, SC33°90°49"3.9"
Garner, NC31°90°49"4.5"
Portsmouth, VA33°89°48"6.2"

Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.

Then and now

Warmer than it used to be

The last 30 years in Colfax averaged 0.9° warmer than the 1900s. The biggest change is in September (+2.0°).

+0.9°1991–2020 vs. 1901–2000

A smaller shift than in 86% of U.S. towns.

Winter+0.6°now 45°, was 44°
Spring+0.6°now 54°, was 54°
Summer+1.4°now 73°, was 72°
Fall+0.9°now 60°, was 59°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Colfax compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Colfax’s place among California’s.

Summer heat91° July high
Hotter July afternoons than 82% of U.S. towns355th hottest of 758 in California
Winter cold35° January low
Milder January nights than 81% of U.S. towns692nd mildest of 758 in California
Precipitation48" a year
Wetter than 77% of U.S. towns16th wettest of 758 in California
Snow7.2" a winter
Less snow than 68% of U.S. towns688th least snowy of 710 in California
Hot days66 days at 90°+
More 90° days than 82% of U.S. towns382nd most of 752 in California
Freezing nights37 a year
Fewer freezing nights than 83% of U.S. towns664th fewest of 752 in California
Growing season233 frost-free days
A longer frost-free season than 85% of U.S. towns301st longest of 359 in California
Month by month

Colfax weather by month

Highs, lows and precipitation from NOAA’s grid at Colfax’s center; snow, wet days and snow on the ground from Colfax, CA. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January54°35°8.4"0.9"11040° – 53°
February56°36°8.2"2.6"12038° – 53°
March60°39°7.5"1.2"11040° – 57°
April65°42°4.0"0.6"8046° – 58°
May73°48°2.4"0.0"6052° – 69°
June83°54°0.7"0.0"2063° – 73°
July91°61°0.0"0.0"0071° – 80°
August90°59°0.1"0.0"1071° – 78°
September85°55°0.4"0.0"1065° – 75°
October74°47°2.3"0.0"4056° – 67°
November60°39°5.1"0.4"9041° – 56°
December52°35°9.0"1.5"11040° – 48°
Year70°46°48.2"7.2"761
Year to year

How much a month can swing

A normal is an average. May swings the most: from 1991 to 2020 its average ranged from 52° to 69°. August is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Colfax’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Colfax’s center.
  • Snow: Colfax, CA (NOAA station in town).
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Colfax, CA, 0.3 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Colfax’s climate

What is the weather like in Colfax?

A typical July afternoon reaches 91°, a January night drops to 35°, and about 7 inches of snow falls in a normal winter. Milder January nights than 81% of U.S. towns; hotter July afternoons than 82% of U.S. towns.

How cold does it get in Colfax in winter?

December nights average 35°. About 37 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 40°.

How much snow does Colfax get?

About 7.2 inches in a normal winter at Colfax, CA, most of it in February, with snow on the ground about 1 days a year.

How hot does it get in Colfax?

July, with a typical high of 91° and a low of 61°. About 66 days a year reach 90° and 9 reach 100° (Colfax, CA).

When is the first and last frost in Colfax?

In half of years the last spring frost (32°) comes by April 3 and the first fall frost by November 24, about 233 frost-free days, at Colfax, CA.

What growing zone is Colfax in?

Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 23°.

What is the best time of year to visit Colfax?

By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Colfax getting warmer?

Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 86% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Colfax.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.