Barstow in Winter
In winter (December, January and February), Barstow sees average daytime highs around 59°F and overnight lows near 39°F, with 2.2 in of rain over about 10 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Over the season highs climb from about 59°F in early December to 63°F by late February. The sky is clear or mostly clear about 54% of the time across winter, and the air most often feels dry.
Winter is Barstow's 3rd-best season to visit on our travel score. For the whole year in context, see Barstow's year-round climate.
- Avg daytime high
- 59°F
- coldest season of the year
- Avg overnight low
- 39°F
- Rainfall
- 2.2 in
- 10 wet days
- Avg wind
- 6 mph
- Travel score
- 5.5
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Barstow in Winter
Over the season highs climb from about 59°F in early December to 63°F by late February.
A typical winter day in Barstow reaches about 59°F and drops to 39°F overnight. The warmest of the three months is February, the coolest December.
How winter really feels in Barstow
Once humidity and wind are folded in, winter brings about 0 days that feel above 90°F and 14 that feel at or below 32°F.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Barstow 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 | 58° / 38° | 0.7 | 3.3 | 9.9 | 5.2 |
| Feb | 62° / 41° | 0.9 | 3.7 | 10.7 | 6.3 |
| Mar | 68° / 46° | 0.5 | 2.5 | 11.7 | 7.8 |
| Apr | 74° / 50° | 0.3 | 1.5 | 12.9 | 8.7 |
| May | 83° / 57° | 0.1 | 0.3 | 13.8 | 7.8 |
| Jun | 92° / 65° | 0.0 | 0.2 | 14.3 | 4.4 |
| Jul | 98° / 72° | 0.2 | 1.1 | 14.1 | 2.2 |
| Aug | 97° / 71° | 0.1 | 0.6 | 13.3 | 2.5 |
| Sep | 90° / 64° | 0.1 | 0.6 | 12.2 | 5.2 |
| Oct | 78° / 54° | 0.2 | 1.1 | 11.1 | 8.7 |
| Nov | 65° / 43° | 0.3 | 1.4 | 10.2 | 7.6 |
| Dec | 57° / 37° | 0.6 | 2.5 | 9.7 | 4.9 |
Cloud cover in Winter
The sky is clear or mostly clear about 54% of the time across winter.
Chance of precipitation in Winter
Barstow gets around 2.2 in of rain over 10 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 6 mph across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 48 min in early December to 11 h 06 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 3.6 kWh/m².
Is winter a good time to visit Barstow?
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 Barstow for sightseeing.
What to pack for Barstow in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Barstow sees daytime highs around 59°F and nights near 39°F. Worth packing: a warm layer. About 10 days see rain.
UV index in Barstow 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 Barstow peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 | 8 | 8 | 11 | 11 | 11 | 8 | 6 | 3 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 5 | High |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Where is Barstow?
Barstow sits at 34.9°N, 117.0°W, 2,175 ft above sea level, in United States. The nearest listed city is Barstow Heights, 2.5 mi away.
Topography around Barstow
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Barstow.
Within 2 miles, the terrain around Barstow has only modest variations in elevation — a maximum elevation change of 525 ft around an average of 2,211 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,096 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,891 ft.
The land around Barstow is covered by bare terrain (55%) and artificial surfaces (35%) within 2 miles, bare terrain (91%) within 10 miles, and bare terrain (69%) 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 Barstow (34.8986°, -117.0228°, elevation 2,175 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.