Oxnard in Winter
In winter (December, January and February), Oxnard sees average daytime highs around 61°F and overnight lows near 49°F, with 9.7 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 61°F. The sky is clear or mostly clear about 51% of the time across winter, and the air most often feels dry.
Winter is Oxnard's weakest season of the year to visit on our travel score. For the whole year in context, see Oxnard's year-round climate.
- Avg daytime high
- 61°F
- coldest season of the year
- Avg overnight low
- 49°F
- Rainfall
- 9.7 in
- 17 wet days
- Avg wind
- 5 mph
- Travel score
- 5.9
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Oxnard in Winter
Across winter, daytime highs hold fairly steady around 61°F.
A typical winter day in Oxnard reaches about 61°F and drops to 49°F overnight. The warmest of the three months is December, the coolest January.
Oxnard 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.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 61° / 49° | 3.7 | 5.6 | 10 | 5.9 |
| Feb | 61° / 49° | 3.7 | 6.1 | 10.7 | 5.7 |
| Mar | 62° / 51° | 2.6 | 5.1 | 11.7 | 6.3 |
| Apr | 65° / 52° | 0.9 | 2.8 | 12.8 | 7.3 |
| May | 67° / 56° | 0.4 | 1.5 | 13.8 | 7.9 |
| Jun | 70° / 59° | 0.1 | 0.3 | 14.2 | 8.7 |
| Jul | 74° / 63° | 0.1 | 0.4 | 14 | 9.3 |
| Aug | 75° / 64° | 0.0 | 0.1 | 13.3 | 9.6 |
| Sep | 74° / 63° | 0.1 | 0.5 | 12.2 | 9.3 |
| Oct | 71° / 59° | 0.7 | 2 | 11.1 | 8.5 |
| Nov | 66° / 54° | 0.9 | 2.8 | 10.2 | 7.6 |
| Dec | 61° / 49° | 2.3 | 4.9 | 9.8 | 6.1 |
Cloud cover in Winter
The sky is clear or mostly clear about 51% of the time across winter.
Chance of precipitation in Winter
Oxnard gets around 9.7 in of rain over 17 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 5 mph across winter.
Sunrise & sunset in Winter
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.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.4 kWh/m².
Is winter a good time to visit Oxnard?
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.
winter is a reasonable time to visit Oxnard for sightseeing.
What to pack for Oxnard in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Oxnard sees daytime highs around 61°F and nights near 49°F. Worth packing: a warm layer. About 17 days see rain.
Sea temperature near Oxnard 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 offshore 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 58 | 58 | 58 | 58 | 60 | 63 | 66 | 67 | 67 | 65 | 62 | 60 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 58 | Bracing |
| Feb | 58 | Bracing |
| Mar | 58 | Bracing |
| Apr | 58 | Bracing |
| May | 60 | Cool |
| Jun | 63 | Cool |
| Jul | 66 | Cool |
| Aug | 67 | Cool |
| Sep | 67 | Cool |
| Oct | 65 | Cool |
| Nov | 62 | Cool |
| Dec | 60 | Cool |
UV index in Oxnard in Winter
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 Oxnard peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 5 | 7 | 8 | 10 | 10 | 10 | 8 | 6 | 3 | 3 |
| Level | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | Very high |
| May | 8 | Very high |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Air quality in Oxnard in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Oxnard is worst in December — around 78 µg/m³ PM2.5 (unhealthy), about 12.6× the cleanest month (January, 6 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) | 6 | 7 | 8 | 7 | 7 | 7 | 11 | 12 | 11 | 8 | 14 | 78 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 7 | Good |
| Mar | 8 | Good |
| Apr | 7 | Good |
| May | 7 | Good |
| Jun | 7 | Good |
| Jul | 11 | Good |
| Aug | 12 | Good |
| Sep | 11 | Good |
| Oct | 8 | Good |
| Nov | 14 | Moderate |
| Dec | 78 | Unhealthy |
Where is Oxnard?
Oxnard sits at 34.2°N, 119.2°W, 52 ft above sea level, in United States. The nearest listed city is Port Hueneme, 3.7 mi away.
Topography around Oxnard
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Oxnard.
Within 2 miles, the terrain around Oxnard has only modest variations in elevation — a maximum elevation change of 75 ft around an average of 52 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,667 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,806 ft.
The land around Oxnard is covered by artificial surfaces (81%) within 2 miles, water (35%) within 10 miles, and water (47%) 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 Oxnard (34.1975°, -119.177°, 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.