English Settlement School · Photo: Ian Poellet · CC BY-SA 3.0Fair Oaks has milder winter nights than 83% of U.S. towns
On a normal July day the thermometer tops out near 84°. A year here swings 49° from midwinter lows to midsummer highs. Comfortable outdoor weather lasts from April to June and September to October, with highs of 62–79°.
A year in Fair Oaks at a glance
Each month’s typical high and low, and what it brings.
What stands out about Fair Oaks’ climate
Compared with towns across the U.S., with Fair Oaks’ place in Oregon beside it.
What a year in Fair Oaks feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 215 frost-free days a year
In half of years the last 32° night comes by March 31 and the first by November 5. Frost and day counts come from NOAA’s station at Winchester, OR, 11 miles from the town’s center, 180 ft lower.
The 2023 USDA map puts Fair Oaks’ center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 20°. 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 43 inches of rain a year
December is the wettest month and July the driest. Rain falls on about 138 days a year. Snow is rare: about 0.3" in a normal year at Oakland, OR, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Fair Oaks
90% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Winchester, OR.
Living with Fair Oaks’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
215 frost-free days in zone 8b. The last frost comes by Mar 31 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 5.
Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Fair Oaks from natural hazards, river flooding is the largest share (55%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Fair Oaks and similar climates
TownRatings has no climate map of the towns around Fair Oaks yet.
Climates most like Fair Oaks’, 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.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Fair Oaks, OR | 36° | 84° | 43" | 0.3" |
| Healdsburg, CA | 38° | 85° | 41" | 0.0" |
| Kill Devil Hills, NC | 35° | 86° | 50" | 1.1" |
| Felida, WA | 35° | 81° | 42" | 0.8" |
| Virginia Beach, VA | 32° | 87° | 48" | 3.4" |
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 Fair Oaks averaged 1.6° warmer than the 1900s. The biggest change is in July (+2.6°).
A bigger shift than in 63% 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 Fair Oaks compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Fair Oaks’ place among Oregon’s.
Fair Oaks weather by month
Highs, lows and precipitation from NOAA’s grid at Fair Oaks’ center; snow, wet days and snow on the ground from Oakland, OR. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 49° | 36° | 6.1" | 0.0" | 17 | 0 | 38° – 47° |
| February | 53° | 36° | 4.6" | 0.0" | 16 | 0 | 39° – 49° |
| March | 58° | 38° | 5.0" | 0.0" | 18 | 0 | 45° – 53° |
| April | 62° | 40° | 3.9" | 0.0" | 16 | 0 | 47° – 56° |
| May | 70° | 46° | 2.8" | 0.0" | 11 | 0 | 53° – 63° |
| June | 76° | 50° | 1.4" | 0.0" | 5 | 0 | 59° – 69° |
| July | 84° | 54° | 0.4" | 0.0" | 2 | 0 | 63° – 73° |
| August | 85° | 54° | 0.4" | 0.0" | 2 | 0 | 66° – 74° |
| September | 79° | 49° | 1.3" | 0.0" | 5 | 0 | 61° – 67° |
| October | 66° | 44° | 3.5" | 0.0" | 12 | 0 | 51° – 60° |
| November | 54° | 39° | 6.3" | 0.1" | 18 | 0 | 41° – 51° |
| December | 47° | 36° | 7.6" | 0.2" | 18 | 0 | 35° – 46° |
| Year | 65° | 43° | 43.3" | 0.3" | 138 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 39° to 49°. September is the most reliable, staying within 6°.
Where Fair Oaks’ 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 Fair Oaks’ center.
- Snow: Oakland, OR.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Winchester, OR, 11 miles from the town’s center, 180 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 Fair Oaks’ climate
What is the weather like in Fair Oaks?
A typical July afternoon reaches 84°, a January night drops to 36°, and snow is almost unheard of. Milder January nights than 83% of U.S. towns; cooler July afternoons than 56% of U.S. towns.
How cold does it get in Fair Oaks in winter?
December nights average 36°. About 38 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 35°.
How much snow does Fair Oaks get?
About 0.3 inches in a normal winter at Oakland, OR, so most winters see none.
How hot does it get in Fair Oaks?
July, with a typical high of 84° and a low of 54°. About 25 days a year reach 90° and 2 reach 100° (Winchester, OR).
When is the first and last frost in Fair Oaks?
In half of years the last spring frost (32°) comes by March 31 and the first fall frost by November 5, about 215 frost-free days, at Winchester, OR.
What growing zone is Fair Oaks in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 20°.
What is the best time of year to visit Fair Oaks?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Fair Oaks getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 63% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Fair Oaks.
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.