Fair Oaks in Fall
In fall (September, October and November), Fair Oaks sees average daytime highs around 77°F and overnight lows near 52°F, with 4.8 in of rain over about 11 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 91°F in early September to 60°F by late November. The sky is clear or mostly clear about 66% of the time across fall, and the air most often feels dry.
Fall is Fair Oaks's 2nd-best season to visit on our travel score. For the whole year in context, see Fair Oaks's year-round climate.
- Avg daytime high
- 77°F
- 2nd-warmest season
- Avg overnight low
- 52°F
- Rainfall
- 4.8 in
- 11 wet days
- Avg wind
- 5 mph
- Travel score
- 6.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Fair Oaks in Fall
Over the season highs ease from about 91°F in early September to 60°F by late November.
A typical fall day in Fair Oaks reaches about 77°F and drops to 52°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Fair Oaks
Once humidity and wind are folded in, fall brings about 7 days that feel above 90°F and 0 that feel at or below 32°F.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Fair Oaks weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 57° / 40° | 5.6 | 10.1 | 9.6 | 4.1 |
| Feb | 61° / 43° | 5.3 | 9.7 | 10.5 | 5.1 |
| Mar | 66° / 46° | 4.7 | 9.6 | 11.7 | 6.2 |
| Apr | 72° / 49° | 2.2 | 6.4 | 13 | 7.4 |
| May | 80° / 55° | 1.3 | 4.5 | 14.1 | 7.7 |
| Jun | 88° / 60° | 0.3 | 1.2 | 14.6 | 5.7 |
| Jul | 93° / 63° | 0.0 | 0.1 | 14.4 | 4.3 |
| Aug | 92° / 62° | 0.0 | 0.1 | 13.5 | 4.6 |
| Sep | 88° / 59° | 0.2 | 0.8 | 12.3 | 6.1 |
| Oct | 78° / 52° | 1.6 | 3.3 | 11 | 8.3 |
| Nov | 65° / 44° | 3.0 | 6.9 | 9.9 | 6.4 |
| Dec | 57° / 40° | 5.6 | 10.4 | 9.3 | 4.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 66% of the time across fall.
Chance of precipitation in Fall
Fair Oaks gets around 4.8 in of rain over 11 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 54 min in early September to 9 h 30 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.3 kWh/m².
Hazard calendar for Fair Oaks
In fall, Fair Oaks overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Fair Oaks's rainy season runs November–March, when most of the year's rain falls.
Is fall a good time to visit Fair Oaks?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Fair Oaks for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Fair Oaks in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Fair Oaks sees daytime highs around 77°F and nights near 52°F. Pack light clothes. Worth having: a warm layer and sun protection. About 11 days see rain.
UV index in Fair Oaks in Fall
Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Fair Oaks peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 6 | 8 | 10 | 10 | 9 | 6 | 5 | 2 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 5 | Moderate |
| Nov | 2 | Low |
| Dec | 2 | Low |
Air quality in Fair Oaks in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Fair Oaks is worst in September — around 41 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (June, 11 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 15 | 18 | 15 | 11 | 11 | 21 | 37 | 41 | 21 | 31 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Poor | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 15 | Moderate |
| Mar | 18 | Moderate |
| Apr | 15 | Moderate |
| May | 11 | Good |
| Jun | 11 | Good |
| Jul | 21 | Moderate |
| Aug | 37 | Poor |
| Sep | 41 | Poor |
| Oct | 21 | Moderate |
| Nov | 31 | Moderate |
| Dec | 13 | Moderate |
Where is Fair Oaks?
Fair Oaks sits at 38.6°N, 121.3°W, 174 ft above sea level, in United States. The nearest listed city is Orangevale, 3.7 mi away.
Topography around Fair Oaks
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Fair Oaks.
Within 2 miles, the terrain around Fair Oaks has only modest variations in elevation — a maximum elevation change of 217 ft around an average of 164 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,033 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,368 ft.
The land around Fair Oaks is covered by trees (59%) and artificial surfaces (34%) within 2 miles, artificial surfaces (37%), grassland (31%) and trees (24%) within 10 miles, and trees (40%), grassland (29%) and cropland (22%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Fair Oaks (38.6446°, -121.2722°, elevation 174 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.