Thousand Oaks in Winter

In winter (December, January and February), Thousand Oaks sees average daytime highs around 63°F and overnight lows near 45°F, with 9.8 in of rain over about 17 wet days across the season. It is the coldest season of the year and the wettest season of the year.

Across winter, daytime highs hold fairly steady around 63°F. The sky is clear or mostly clear about 49% of the time across winter, and the air most often feels dry.

Winter is Thousand Oaks's weakest season of the year to visit on our travel score. For the whole year in context, see Thousand Oaks's year-round climate.

Avg daytime high
63°F
coldest season of the year
Avg overnight low
45°F
Rainfall
9.8 in
17 wet days
Avg wind
4 mph
Travel score
6.5
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Thousand Oaks in Winter

Average highAverage lowShaded bands: 10–90% of days

Across winter, daytime highs hold fairly steady around 63°F.

A typical winter day in Thousand Oaks reaches about 63°F and drops to 45°F overnight. The warmest of the three months is February, the coolest December.

30°40°50°60°70°80°DecJanFeb

Thousand Oaks weather by month

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan63° / 45°3.65.6106.4
Feb64° / 45°3.86.410.76.4
Mar66° / 47°2.65.611.77.0
Apr70° / 50°0.92.912.88.0
May73° / 55°0.51.813.88.7
Jun78° / 59°0.10.514.29.1
Jul83° / 64°0.10.5148.1
Aug85° / 65°0.00.113.37.4
Sep83° / 62°0.20.612.28.2
Oct77° / 56°0.82.111.18.8
Nov70° / 49°0.82.610.28.1
Dec63° / 44°2.34.89.86.6

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitation

Thousand Oaks gets around 9.8 in of rain over 17 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 4 mph across winter.

0246810DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 9 h 54 min in early December to 11 h 12 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 3.4 kWh/m².

024DecJanFeb
Planning a trip in winter

Is winter a good time to visit Thousand Oaks?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.5
Sightseeing
4th-best month of the year
1.8
Beach & pool
4th-best month of the year

winter is a reasonable time to visit Thousand Oaks for sightseeing.

What to pack for Thousand Oaks in Winter

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

In winter, Thousand Oaks sees daytime highs around 63°F and nights near 45°F. Worth packing: a warm layer. About 17 days see rain.

a warm layer

Sea temperature near Thousand Oaks in Winter

The nearest coast averages about 59°F across winter — 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 67°F and coldest in March near 58°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

55°60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan58Bracing
Feb58Bracing
Mar58Bracing
Apr58Bracing
May60Cool
Jun63Cool
Jul66Cool
Aug67Cool
Sep67Cool
Oct65Cool
Nov62Cool
Dec60Cool

UV index in Thousand Oaks in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter 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 Thousand Oaks peaks around June 23 at about 10 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 16UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May8Very high
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Thousand Oaks in Winter

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Thousand Oaks is worst in December — around 29 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (May, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateDec 1428 µg/m³May 1812 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar17Moderate
Apr15Moderate
May12Good
Jun14Moderate
Jul25Moderate
Aug26Moderate
Sep24Moderate
Oct18Moderate
Nov23Moderate
Dec29Moderate
Location & terrain

Where is Thousand Oaks?

Thousand Oaks sits at 34.2°N, 118.8°W, 886 ft above sea level, in United States. The nearest listed city is Agoura Hills, 4.3 mi away.

Topography around Thousand Oaks

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

Within 2 miles, the terrain around Thousand Oaks has significant variations in elevation — a maximum elevation change of 883 ft around an average of 1,043 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,015 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,806 ft.

The land around Thousand Oaks is covered by artificial surfaces (39%) and trees (24%) within 2 miles, grassland (38%) and trees (25%) within 10 miles, and water (39%) within 50 miles.

2 miles
883 ft
10 miles
3,015 ft
50 miles
8,806 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
Winter weather nearby: Agoura Hills 4.3 mi · Agoura 6.2 mi · Simi Valley 7.5 mi · Moorpark 8.1 mi · West Hills 11 mi · Calabasas 11 mi · Camarillo 12 mi · Woodland Hills 13 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 Thousand Oaks (34.1706°, -118.8376°, elevation 886 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.