Cerritos weather in October

In October, Cerritos sees average daytime highs of 76°F and overnight lows near 60°F, with 0.6 in of rain across 1.9 wet days and about 11.1 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 78°F in the first days to 73°F by the end. The sky is clear or mostly clear about 70% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 42 min by month's end. Set against the rest of the year, October is Cerritos's 5th-clearest and 11th-windiest month. For the whole year in context, see Cerritos's year-round climate.

Daytime high
76°
4th warmest
Overnight low
60°
8th coldest
Rainfall
0.6 in
1.9 wet days
Daylight
11 h 06 min
6:03 AM – 5:11 PM
Cloud cover
28%
5th clearest
Wind
4 mph
11th windiest
Solar energy
4.71 kWh/m²
Travel score
8.8
out of 10

Cerritos is city in Los Angeles County, California, United States.

Density
2,180/km²
people per km²
Founded
1956

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 78°F in the first days to 73°F by the end.

A typical October day in Cerritos reaches about 76°F in the afternoon and slips back to 60°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 68°F and 85°F. Set against its neighbours, October runs about 4°F cooler than September and about 6°F warmer than November.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
17863
27862
37862
47862
57862
67862
77762
87762
97761
107761
117761
127661
137661
147661
157661
167660
177660
187660
197560
207560
217560
227559
237559
247459
257459
267458
277458
287458
297358
307358
317357

Cerritos weather by month

How October compares with the rest of the year at a glance. October is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan64° / 49°2.85.2106.8
Feb65° / 50°3.16.110.76.7
Mar66° / 53°1.85.111.77.0
Apr69° / 55°0.72.612.87.9
May71° / 58°0.31.513.78.3
Jun74° / 61°0.10.314.29.1
Jul79° / 64°0.10.4149.0
Aug81° / 65°0.00.113.38.9
Sep80° / 64°0.10.512.28.8
Oct76° / 60°0.61.911.18.8
Nov70° / 54°0.72.410.28.1
Dec65° / 49°1.94.99.86.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 11% of October, with mostly cloudy or overcast conditions the remaining 18%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38812
48812
58812
68713
78713
88713
98614
108515
118416
128416
138416
148218
158218
168119
178020
188020
197822
207822
217822
227822
237723
247723
257723
267723
277723
287723
297723
307723
317723

Chance of precipitation in October

Any precipitation

Cerritos gets around 0.6 in of rain over 1.9 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 6% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
55
65
75
85
96
106
116
126
136
146
156
166
176
186
196
206
216
226
236
246
256
266
276
287
297
307
317

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11540424
21640404
31641393
41742373
51843363
61944343
72044333
82145313
92245303
102346292
112446282
122446282
132546272
142546262
152646262
162746252
172847242
182947232
193147221
203246201
213446191
223646171
233746161
243946141
254145130
264345110
274545100
28474490
29494380
30504370
31524260

Wind in October

Winds average 4 mph in October.

Across October, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over October. Sunrise moves from 5:51 AM to 6:16 AM, and sunset from 5:31 PM to 4:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:515:31
211.65:525:30
311.65:535:28
411.65:545:27
511.55:545:26
611.55:555:24
711.55:565:23
811.45:575:22
911.45:575:20
1011.35:585:19
1111.35:595:18
1211.36:005:16
1311.26:015:15
1411.26:015:14
1511.26:025:13
1611.16:035:11
1711.16:045:10
1811.16:055:09
1911.06:065:08
2011.06:065:07
2111.06:075:06
2210.96:085:05
2310.96:095:03
2410.96:105:02
2510.86:115:01
2610.86:125:00
2710.86:134:59
2810.76:144:58
2910.76:144:57
3010.76:154:56
3110.76:164:55

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.71 kWh/m².

For context, solar energy here swings from a low near 2.98 kWh/m² to a high of 7.89 kWh/m² in June across the year — October's 4.71 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.5Bright
214.5Bright
224.4Bright
234.4Bright
244.3Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.2Bright
304.1Bright
314.1Bright
Planning a trip in October

Is October a good time to visit Cerritos?

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

8.8
Sightseeing
4th-best month of the year
7.5
Beach & pool
4th-best month of the year

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

What to pack for Cerritos in October

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

In October, Cerritos sees daytime highs around 76°F and nights near 60°F. Worth packing: light clothes and sun protection.

light clothessun protection

Sea temperature near Cerritos in October

The nearest coast averages about 67°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 mi away) is warmest in August at about 69°F and coldest in February near 59°F.

It's comfortable for a long swim from Jul 18 to Sep 26 — about 2.3 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°F)Comfort
Jan59Cool
Feb59Cool
Mar59Cool
Apr60Cool
May62Cool
Jun65Cool
Jul68Refreshing
Aug69Refreshing
Sep69Refreshing
Oct67Cool
Nov64Cool
Dec60Cool

UV index in Cerritos in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cerritos peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 11UV 11Dec 16UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Cerritos 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 Cerritos is worst in September — around 49 µg/m³ PM2.5 (poor), about 4.0× the cleanest month (May, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1447 µg/m³May 1713 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar19Moderate
Apr17Moderate
May12Moderate
Jun17Moderate
Jul19Moderate
Aug32Moderate
Sep49Poor
Oct21Moderate
Nov21Moderate
Dec18Moderate
Location & terrain

Where is Cerritos?

Cerritos sits at 33.9°N, 118.1°W, 46 ft above sea level, in United States. The nearest listed city is Artesia, 1.2 mi away.

Topography around Cerritos

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

Within 2 miles, the terrain around Cerritos has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 56 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,368 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,013 ft.

The land around Cerritos is covered by artificial surfaces (89%) within 2 miles, artificial surfaces (82%) within 10 miles, and water (35%) and artificial surfaces (24%) within 50 miles.

2 miles
66 ft
10 miles
1,368 ft
50 miles
10,013 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Artesia 1.2 mi · La Palma 1.2 mi · Norwalk 3.1 mi · Cypress 3.1 mi · Bellflower 3.1 mi · Buena Park 3.7 mi · Lakewood 3.7 mi · La Mirada 5.0 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 Cerritos (33.8584°, -118.0648°, elevation 46 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).