South Yuba City weather in October

In October, South Yuba City sees average daytime highs of 80°F and overnight lows near 55°F, with 1.1 in of rain across 3.1 wet days and about 11 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 85°F in the first days to 74°F by the end. The sky is clear or mostly clear about 68% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 24 min by month's end. Set against the rest of the year, October is South Yuba City's 5th-clearest and 8th-windiest month. For the whole year in context, see South Yuba City's year-round climate.

Daytime high
80°
6th warmest
Overnight low
55°
7th coldest
Rainfall
1.1 in
3.1 wet days
Daylight
11 hours
6:23 AM – 5:20 PM
Cloud cover
29%
5th clearest
Wind
5 mph
8th windiest
Solar energy
4.21 kWh/m²
Travel score
7.9
out of 10

South Yuba City is unincorporated community and former census-designated place in Sutter County, California, United States.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 85°F in the first days to 74°F by the end.

A typical October day in South Yuba City reaches about 80°F in the afternoon and slips back to 55°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 90°F. Set against its neighbours, October runs about 10°F cooler than September and about 14°F warmer than November.

40°60°80°100°151015202531
Avg high (°F)Avg low (°F)
18658
28558
38558
48558
58457
68457
78457
88357
98356
108356
118256
128256
138255
148155
158155
168155
178055
188054
197954
207954
217854
227853
237853
247753
257652
267652
277652
287551
297451
307451
317351

How October really feels in South Yuba City

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

South Yuba City weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan59° / 42°4.49.89.64.5
Feb63° / 45°4.08.910.55.6
Mar68° / 48°3.38.911.76.6
Apr75° / 52°1.55.5137.6
May85° / 58°0.93.614.16.5
Jun93° / 64°0.2114.73.9
Jul97° / 65°0.00.114.52.5
Aug96° / 64°0.00.213.53.2
Sep91° / 61°0.10.612.35.0
Oct80° / 55°1.13.1117.9
Nov67° / 47°2.36.29.96.8
Dec58° / 42°4.19.79.34.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38812
48713
58614
68515
78515
88416
98317
108317
118218
128119
138119
148119
157921
167921
177921
187723
197723
207723
217624
227624
237624
247525
257525
267525
277426
287426
297327
307228
317228

Chance of precipitation in October

Any precipitation

South Yuba City gets around 1.1 in of rain over 3.1 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 9% and peaks near 16% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
15
25
36
46
56
66
77
87
97
107
117
127
138
148
158
168
179
189
1910
2010
2111
2211
2312
2412
2513
2613
2714
2814
2915
3015
3116

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
190100
290100
390100
49190
59190
69190
79190
89190
99190
109091
119091
129181
139181
149271
159271
169271
179361
189361
199361
209361
219451
229550
239550
249550
259550
269640
279640
289640
299640
309640
319640

Wind in October

Winds average 5 mph in October.

Across October, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over October. Sunrise moves from 6:08 AM to 6:39 AM, and sunset from 5:43 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:085:43
211.66:095:42
311.56:105:40
411.56:115:39
511.46:125:37
611.46:135:35
711.36:145:34
811.36:155:32
911.36:165:31
1011.26:175:29
1111.26:185:28
1211.16:195:26
1311.16:205:25
1411.06:215:23
1511.06:225:22
1611.06:235:20
1710.96:245:19
1810.96:255:17
1910.86:265:16
2010.86:275:15
2110.86:285:13
2210.76:295:12
2310.76:305:11
2410.66:315:09
2510.66:335:08
2610.66:345:07
2710.56:355:06
2810.56:365:04
2910.46:375:03
3010.46:385:02
3110.46:395:01

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.21 kWh/m².

For context, solar energy here swings from a low near 2.02 kWh/m² to a high of 8.21 kWh/m² in July across the year — October's 4.21 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.7Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.4Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.1Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.4Moderate
313.4Moderate
Planning a trip in October

Hazard calendar for South Yuba City

In seasonPeak

None of South Yuba City's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

South Yuba City's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit South Yuba City?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.9
Sightseeing
1st-best month of the year
8.0
Beach & pool
3rd-best month of the year

October is one of the better times to visit South Yuba City for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for South Yuba City in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, South Yuba City sees daytime highs around 80°F and nights near 55°F. Worth packing: light clothes. About 3 days see rain.

light clothes

UV index in South Yuba City in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in South Yuba City peaks around June 22 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 22UV 10Dec 14UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Low
Dec2Low

Air quality in South Yuba City in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in South Yuba City 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateSep 1140 µg/m³Jun 911 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar18Moderate
Apr15Moderate
May11Good
Jun11Good
Jul21Moderate
Aug37Poor
Sep41Poor
Oct21Moderate
Nov31Moderate
Dec13Moderate
Location & terrain

Where is South Yuba City?

South Yuba City sits at 39.1°N, 121.6°W, 52 ft above sea level, in United States. The nearest listed city is Yuba City, 1.9 mi away.

Topography around South Yuba City

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of South Yuba City.

Within 2 miles, the terrain around South Yuba City has only modest variations in elevation — a maximum elevation change of 49 ft around an average of 56 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,040 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,538 ft.

The land around South Yuba City is covered by artificial surfaces (44%) and trees (35%) within 2 miles, cropland (40%), grassland (28%) and trees (22%) within 10 miles, and trees (43%), grassland (28%) and cropland (22%) within 50 miles.

2 miles
49 ft
10 miles
1,040 ft
50 miles
5,538 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Yuba City 1.9 mi · Linda 5.0 mi · Lincoln 24 mi · Oroville 28 mi · Woodland 31 mi · Rio Linda 31 mi · Rocklin 31 mi · Roseville 32 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 South Yuba City (39.1166°, -121.6391°, elevation 52 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).