Oroville weather in October

In October, Oroville sees average daytime highs of 76°F and overnight lows near 52°F, with 2.2 in of rain across 3.6 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 81°F in the first days to 71°F by the end. The sky is clear or mostly clear about 66% 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 18 min by month's end. Set against the rest of the year, October is Oroville's 5th-clearest and 9th-windiest month. For the whole year in context, see Oroville's year-round climate.

Daytime high
76°
6th warmest
Overnight low
52°
7th coldest
Rainfall
2.2 in
3.6 wet days
Daylight
10 h 54 min
6:23 AM – 5:20 PM
Cloud cover
30%
5th clearest
Wind
5 mph
9th windiest
Solar energy
4.16 kWh/m²
Travel score
8.3
out of 10

Oroville is city and county seat of Butte County, California, United States.

Density
482/km²
people per km²
Founded
1906

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 81°F in the first days to 71°F by the end.

A typical October day in Oroville reaches about 76°F in the afternoon and slips back to 52°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 65°F and 87°F. Set against its neighbours, October runs about 10°F cooler than September and about 13°F warmer than November.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18256
28255
38255
48155
58155
68054
78054
88054
97953
107953
117953
127853
137853
147852
157752
167752
177651
187651
197651
207551
217550
227450
237450
247349
257349
267249
277249
287148
297148
307048
317047

How October really feels in Oroville

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.

Oroville 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 daysSnow daysDaylight (hours)Travel score
Jan56° / 40°7.811.11.99.53.8
Feb60° / 42°7.410.52.710.44.6
Mar64° / 44°6.411.11.911.75.7
Apr70° / 48°3.27.70.6137.0
May79° / 55°2.05.3014.17.7
Jun88° / 61°0.51.9014.75.6
Jul94° / 65°0.00014.53.9
Aug92° / 64°0.10.3013.64.4
Sep87° / 59°0.31.1012.36.3
Oct76° / 52°2.23.6010.98.3
Nov63° / 44°4.58.30.89.85.8
Dec56° / 39°8.511.81.89.33.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28713
38713
48614
58614
68416
78416
88317
98317
108317
118218
128119
138119
148020
158020
168020
177822
187822
197723
207624
217624
227525
237525
247426
257426
267327
277228
287129
297030
306931
316832

Chance of precipitation in October

Any precipitation

Oroville gets around 2.2 in of rain over 3.6 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 12% and peaks near 18% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
18
28
38
48
59
69
79
89
99
109
1110
1210
1310
1410
1510
1610
1711
1811
1912
2012
2112
2213
2313
2414
2514
2615
2715
2816
2917
3018
3118

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3973
4973
5973
6973
7973
8973
9973
10973
11973
12973
13973
14973
15973
16973
17973
18973
19973
20973
21982
22982
23982
24982
25982
26991
27991
28991
29991
30991
31991

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 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over October. Sunrise moves from 6:07 AM to 6:40 AM, and sunset from 5:43 PM to 5:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:075:43
211.56:085:41
311.56:105:40
411.56:115:38
511.46:125:36
611.46:135:35
711.36:145:33
811.36:155:32
911.26:165:30
1011.26:175:29
1111.26:185:27
1211.16:195:25
1311.16:205:24
1411.06:215:22
1511.06:225:21
1610.96:235:20
1710.96:245:18
1810.96:255:17
1910.86:265:15
2010.86:275:14
2110.76:285:12
2210.76:305:11
2310.76:315:10
2410.66:325:08
2510.66:335:07
2610.56:345:06
2710.56:355:05
2810.56:365:03
2910.46:375:02
3010.46:385:01
3110.36:405:00

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.16 kWh/m².

For context, solar energy here swings from a low near 1.97 kWh/m² to a high of 8.24 kWh/m² in July across the year — October's 4.16 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.6Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.2Bright
174.1Bright
184.1Bright
194.0Bright
204.0Moderate
213.9Moderate
223.8Moderate
233.8Moderate
243.7Moderate
253.6Moderate
263.6Moderate
273.5Moderate
283.5Moderate
293.4Moderate
303.4Moderate
313.3Moderate
Planning a trip in October

Hazard calendar for Oroville

In seasonPeak

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

Oroville'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 Oroville?

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

8.3
Sightseeing
1st-best month of the year
7.1
Beach & pool
6th-best month of the year

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

What to pack for Oroville in October

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

In October, Oroville sees daytime highs around 76°F and nights near 52°F. Worth packing: light clothes. About 4 days see rain.

light clothes

UV index in Oroville 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 Oroville peaks around July 10 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 highHighModerateLowJul 10UV 10Dec 14UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May9Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov2Low
Dec2Low

Air quality in Oroville 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 Oroville is worst in July — around 64 µg/m³ PM2.5 (unhealthy), about 8.2× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateUnhealthyModerateJul 2363 µg/m³Dec 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar13Moderate
Apr13Moderate
May10Good
Jun10Good
Jul64Unhealthy
Aug59Unhealthy
Sep63Unhealthy
Oct17Moderate
Nov37Poor
Dec8Good
Location & terrain

Where is Oroville?

Oroville sits at 39.5°N, 121.6°W, 167 ft above sea level, in United States. The nearest listed city is Paradise, 17 mi away.

Topography around Oroville

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

Within 2 miles, the terrain around Oroville has only modest variations in elevation — a maximum elevation change of 472 ft around an average of 256 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,290 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,333 ft.

The land around Oroville is covered by trees (36%), grassland (32%) and artificial surfaces (26%) within 2 miles, trees (39%) and grassland (38%) within 10 miles, and trees (56%) and grassland (23%) within 50 miles.

2 miles
472 ft
10 miles
2,290 ft
50 miles
8,333 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Paradise 17 mi · Chico 21 mi · Yuba City 26 mi · Linda 27 mi · South Yuba City 28 mi · Lincoln 45 mi · Rocklin 53 mi · Roseville 55 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 Oroville (39.5139°, -121.5578°, elevation 167 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).