DeWitt General Hospital · Photo: T71024 · CC BY-SA 4.0North Auburn’s winters are milder than most of the U.S.; July afternoons average 93°
A typical July afternoon reaches 93°, a January night drops to 38°.
A year in North Auburn at a glance
Each month’s typical high and low, and what it brings.
What stands out about North Auburn’s climate
Compared with towns across the U.S., with North Auburn’s place in California beside it.
What a year in North Auburn feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 286 frost-free days a year
In half of years the last 32° night comes by February 25 and the first by December 5. Frost and day counts come from NOAA’s station at Auburn, CA, 1.6 miles from the town’s center, 120 ft lower.
The 2023 USDA map puts North Auburn’s center in zone 9b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 26°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 37 inches of rain a year
December is the wettest month and July the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in North Auburn
66% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Auburn, CA.
Living with North Auburn’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
286 frost-free days in zone 9b. The last frost comes by Feb 25 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Dec 5.
Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November. 11 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in North Auburn from natural hazards, avalanches are the largest share (80%). Normals are averages; the hazards page covers the extremes.
Natural hazards →North Auburn and similar climates
TownRatings has no climate map of the towns around North Auburn yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in North Auburn averaged 0.9° warmer than the 1900s. The biggest change is in September (+1.8°).
A smaller shift than in 84% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How North Auburn compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with North Auburn’s place among California’s.
North Auburn weather by month
Highs, lows and precipitation from NOAA’s grid at North Auburn’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 56° | 38° | 6.6" | 43° – 54° |
| February | 59° | 40° | 6.4" | 43° – 55° |
| March | 62° | 42° | 5.8" | 45° – 58° |
| April | 68° | 44° | 3.0" | 50° – 60° |
| May | 76° | 51° | 1.8" | 55° – 71° |
| June | 85° | 57° | 0.4" | 65° – 76° |
| July | 93° | 63° | 0.0" | 74° – 82° |
| August | 92° | 62° | 0.1" | 73° – 81° |
| September | 87° | 58° | 0.3" | 69° – 77° |
| October | 76° | 50° | 1.8" | 60° – 69° |
| November | 63° | 42° | 3.8" | 45° – 58° |
| December | 55° | 37° | 6.6" | 43° – 49° |
| Year | 73° | 49° | 36.6" |
How much a month can swing
A normal is an average. May swings the most: from 1991 to 2020 its average ranged from 55° to 71°. December is the most reliable, staying within 7°.
Where North Auburn’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 North Auburn’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Auburn, CA, 1.6 miles from the town’s center, 120 ft lower; 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 North Auburn’s climate
What is the weather like in North Auburn?
A typical July afternoon reaches 93°, a January night drops to 38°. Milder January nights than 85% of U.S. towns; hotter July afternoons than 91% of U.S. towns.
How cold does it get in North Auburn in winter?
December nights average 37°. About 20 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 43°.
How hot does it get in North Auburn?
July, with a typical high of 93° and a low of 63°. About 63 days a year reach 90° and 7 reach 100° (Auburn, CA).
When is the first and last frost in North Auburn?
In half of years the last spring frost (32°) comes by February 25 and the first fall frost by December 5, about 286 frost-free days, at Auburn, CA.
What growing zone is North Auburn in?
Zone 9b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 26°.
What is the best time of year to visit North Auburn?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is North Auburn getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 84% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in North Auburn.
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.