Grand Junction in Winter
In winter (December, January and February), Grand Junction sees average daytime highs around 36°F and overnight lows near 16°F, with 4.7 in of precipitation over about 24 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 36°F. The sky is clear or mostly clear about 43% of the time across winter, and the air most often feels dry.
Winter is Grand Junction's weakest season of the year to visit on our travel score. For the whole year in context, see Grand Junction's year-round climate.
- Avg daytime high
- 36°F
- coldest season of the year
- Avg overnight low
- 16°F
- Precipitation
- 4.7 in
- 24 wet days
- Avg wind
- 3 mph
- Travel score
- 0.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Grand Junction in Winter
Across winter, daytime highs hold fairly steady around 36°F.
A typical winter day in Grand Junction reaches about 36°F and drops to 16°F overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Grand Junction
Once humidity and wind are folded in, winter brings about 0 days that feel above 90°F and 90 that feel at or below 32°F.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Grand Junction 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 34° / 13° | 1.5 | 7.5 | 7.2 | 9.6 | 0.0 |
| Feb | 39° / 19° | 1.7 | 9 | 8.1 | 10.5 | 0.0 |
| Mar | 49° / 27° | 2.0 | 9.5 | 6.5 | 11.7 | 2.2 |
| Apr | 58° / 34° | 2.0 | 9.7 | 3.8 | 13 | 4.5 |
| May | 70° / 44° | 1.9 | 8.8 | 0.6 | 14.1 | 6.8 |
| Jun | 82° / 53° | 1.0 | 4.8 | 0 | 14.7 | 7.0 |
| Jul | 87° / 60° | 2.2 | 8.6 | 0 | 14.5 | 5.1 |
| Aug | 83° / 58° | 3.2 | 11.7 | 0 | 13.5 | 5.9 |
| Sep | 75° / 49° | 2.7 | 8.9 | 0.1 | 12.3 | 7.3 |
| Oct | 62° / 37° | 2.0 | 8.1 | 1.6 | 11 | 5.8 |
| Nov | 47° / 25° | 1.7 | 7 | 4.9 | 9.9 | 1.6 |
| Dec | 35° / 15° | 1.5 | 7.3 | 7.3 | 9.3 | 0.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 43% of the time across winter.
Chance of precipitation in Winter
Grand Junction gets around 4.7 in of rain and snow over 24 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 3 mph across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 30 min in early December to 11 hours 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 3.1 kWh/m².
Is winter a good time to visit Grand Junction?
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 weaker month for outdoor sightseeing in Grand Junction.
What to pack for Grand Junction in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Grand Junction sees daytime highs around 36°F and nights near 16°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 24 days see rain.
UV index in Grand Junction in Winter
Clear-sky midday UV across winter averages around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Grand Junction peaks around July 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 6 | 6 | 8 | 11 | 11 | 10 | 7 | 6 | 3 | 2 |
| Level | Moderate | Moderate | High | High | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 7 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Where is Grand Junction?
Grand Junction sits at 39.1°N, 108.6°W, 4,593 ft above sea level, in United States. The nearest listed city is Clifton, 5.6 mi away.
Topography around Grand Junction
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Grand Junction.
Within 2 miles, the terrain around Grand Junction has only modest variations in elevation — a maximum elevation change of 308 ft around an average of 4,613 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,176 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,178 ft.
The land around Grand Junction is covered by artificial surfaces (53%) within 2 miles, grassland (29%) within 10 miles, and trees (38%), shrubs (24%) and grassland (24%) 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 Grand Junction (39.0639°, -108.5507°, elevation 4,593 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.