Canby, California climate: Normal weather by month, frost dates and records

Canby's normal year runs from 20°F December nights to 88°F July afternoons. (NOAA 1991-2020 normals)

In metric: a yearly mean of 8.7°C, December lows of −7°C, July highs of 31°C.

  • NOAA stationCanby (3 mi SW)
  • Station IDUSC00041476
  • Location41.42°N 120.90°W
  • Elevation4,310 ft (1,314 m)
  • Population (census place)287

On October 23, the normal high in Canby is 63°F and the normal low 26°F.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Canby.

  1. Jan 42° 20°
  2. Feb 48° 23°
  3. Mar 53° 27°
  4. Apr 59° 30°
  5. May 69° 37°
  6. Jun 78° 43°
  7. Jul 88° 48°
  8. Aug 87° 45°
  9. Sep 80° 38°
  10. Oct 67° 28°
  11. Nov 52° 23°
  12. Dec 41° 20°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

What is the weather like in Canby each month?

July is the warmest month, with normal highs of 88°F; December the coldest, with normal lows of 20°F.

Canby monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanWet days90°F daysFreezing nightsDaylight
January 42°F20°F30.8°F –<1289 h 30 min
February 48°F23°F35.1°F –<12410 h 40 min
March 53°F27°F39.7°F –<12611 h 50 min
April 59°F30°F44.6°F –<12113 h 20 min
May 69°F37°F52.8°F –1814 h 30 min
June 78°F43°F60.2°F –2215 h 10 min
July 88°F48°F68.0°F –14<114 h 50 min
August 87°F45°F66.0°F –12<113 h 50 min
September 80°F38°F59.1°F –4612 h 30 min
October 67°F28°F47.7°F –<12211 h 10 min
November 52°F23°F37.8°F –<1269 h 50 min
December 41°F20°F30.0°F –<1289 h 10 min
Year (annual)64°F32°F47.7°F–33192
The same normals in °C and millimetres
Canby monthly normals, 1991-2020 (°C, mm)
MonthHighLowMean
January6°C−7°C−0.7°C
February9°C−5°C1.7°C
March12°C−3°C4.3°C
April15°C−1°C7.0°C
May20°C3°C11.6°C
June25°C6°C15.7°C
July31°C9°C20.0°C
August31°C7°C18.9°C
September27°C3°C15.1°C
October19°C−2°C8.7°C
November11°C−5°C3.2°C
December5°C−7°C−1.1°C
Normal daily high and low by month, Canby

NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Adin (16 miles away), gets 45 inches of snow in a normal year; elevation and distance can change that.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00041476; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.

When is the best weather to visit Canby?

Normal highs sit between 65°F and 85°F in May, June, September and October.

That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00041476.

When is the last frost in Canby?

In Canby, the last spring frost (32°F) comes after June 1 in half of years and after June 20 in one year in ten; the first autumn frost comes before September 16 in half of years and before September 1 in one year in ten.

Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years

Last spring frost, half of years after
June 11 year in 10 after June 20; 9 in 10 after May 13
First autumn frost, half of years before
September 161 year in 10 before September 1; 9 in 10 before September 29

NOAA puts the median frost-free season at 106 days, and the season without a hard freeze (28°F) at 137 days.

A hard freeze (28°F) comes after May 12 in half of springs and before September 28 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Canby in zone 7a in ZIP code 96015, the nearest ZIP area.

Frost dates for every NOAA station in California · Frost dates by ZIP code

Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00041476; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.

How hot and how cold does it get in Canby?

In a normal year in Canby, 33 days a year reach 90°F (2 of them 100°F or more) and 192 nights fall to 32°F or colder.

Days at 90°F or more
33a normal year
Days at 100°F or more
2a normal year
Nights at 32°F or colder
192a normal year
Days that stay below freezing
8high of 32°F or less

Source: NOAA NCEI 1991-2020 annual normals, station USC00041476.

How sunny is Canby?

Over a year 82% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Canby, 4.8 kWh per square metre a day. July is the sunniest month (93%) and December the cloudiest (64%).

Canby: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January69%2.0
February71%3.0
March70%4.1
April74%5.5
May80%6.8
June88%7.9
July93%8.0
August93%7.1
September90%5.6
October83%3.8
November71%2.3
December64%1.6

Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.

How much heating and cooling does Canby need?

A normal year in Canby brings 6,553 heating degree days, 22% more than the median U.S. place (5,373), and 248 cooling degree days, 73% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,875 growing degree days a year above 50°F.

Canby: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January1,0590
February8370
March7830
April6120
May3824
June16724
July31124
August4879
September19417
October5380
November8180
December1,0850
Year (annual)6,553248

Source: NOAA NCEI 1991-2020 monthly normals, station USC00041476. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.

How does Canby's climate compare?

Canby is warmer than 9 of the other 218 places with their own NOAA record in California. Across the 7,247 U.S. stations with normals, its annual mean of 47.7°F is warmer than 31%.

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.

Questions about Canby's climate

What is the coldest month in Canby?

December, with a normal high of 41°F and a normal low of 20°F. The warmest is July (88°F by day, 48°F at night).

Does it snow in Canby?

Yes. NOAA publishes no 1991-2020 snowfall normal for Canby's NOAA station; the nearest record that keeps one, Adin (16 miles away), records 45 inches of snow in a normal year.

What plant hardiness zone is Canby in?

The USDA's 2023 map puts Canby in zone 7a in ZIP code 96015, the nearest ZIP area.

How late can frost come in Canby?

In half of years the last 32°F night comes after June 1; in one year in ten it comes after June 20. Waiting until June 20 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made