Cottonwood Heights in Winter
In winter (December, January and February), Cottonwood Heights sees average daytime highs around 32°F and overnight lows near 17°F, with 7.4 in of precipitation over about 31 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Over the season highs climb from about 34°F in early December to 38°F by late February. The sky is clear or mostly clear about 29% of the time across winter, and the air most often feels dry.
Winter is Cottonwood Heights's weakest season of the year to visit on our travel score. For the whole year in context, see Cottonwood Heights's year-round climate.
- Avg daytime high
- 32°F
- coldest season of the year
- Avg overnight low
- 17°F
- Precipitation
- 7.4 in
- 31 wet days
- Avg wind
- 4 mph
- Travel score
- 0.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Cottonwood Heights in Winter
Over the season highs climb from about 34°F in early December to 38°F by late February.
A typical winter day in Cottonwood Heights reaches about 32°F and drops to 17°F overnight. The warmest of the three months is February, the coolest December.
How winter really feels in Cottonwood Heights
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.
Cottonwood Heights 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 | 31° / 16° | 2.7 | 11.3 | 11.7 | 9.4 | 0.0 |
| Feb | 35° / 20° | 2.3 | 10.2 | 10.6 | 10.4 | 0.0 |
| Mar | 44° / 26° | 2.5 | 11.3 | 10.4 | 11.7 | 0.8 |
| Apr | 51° / 31° | 2.9 | 12.4 | 9.6 | 13 | 2.3 |
| May | 62° / 39° | 2.5 | 11.6 | 3.6 | 14.2 | 5.2 |
| Jun | 75° / 49° | 1.3 | 6.3 | 0.5 | 14.8 | 7.6 |
| Jul | 85° / 57° | 0.9 | 4.8 | 0 | 14.6 | 6.3 |
| Aug | 83° / 56° | 0.9 | 5.2 | 0 | 13.6 | 6.9 |
| Sep | 72° / 47° | 1.7 | 6.4 | 0.6 | 12.3 | 7.6 |
| Oct | 58° / 35° | 2.1 | 8.3 | 3.9 | 10.9 | 4.7 |
| Nov | 42° / 23° | 2.2 | 9.2 | 8.5 | 9.7 | 0.6 |
| Dec | 31° / 15° | 2.4 | 9.9 | 10.5 | 9.1 | 0.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 29% of the time across winter.
Chance of precipitation in Winter
Cottonwood Heights gets around 7.4 in of rain and snow over 31 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 4 mph across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 18 min in early December to 10 h 54 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 2.8 kWh/m².
Is winter a good time to visit Cottonwood Heights?
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 Cottonwood Heights.
What to pack for Cottonwood Heights in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Cottonwood Heights sees daytime highs around 32°F and nights near 17°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 31 days see rain.
UV index in Cottonwood Heights 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 Cottonwood Heights peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 5 | 7 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | Moderate | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Cottonwood Heights 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 Cottonwood Heights is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (June, 9 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) | 11 | 11 | 12 | 10 | 10 | 9 | 11 | 14 | 22 | 12 | 9 | 9 |
| Level | Good | Good | Moderate | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 11 | Good |
| Mar | 12 | Moderate |
| Apr | 10 | Good |
| May | 10 | Good |
| Jun | 9 | Good |
| Jul | 11 | Good |
| Aug | 14 | Moderate |
| Sep | 22 | Moderate |
| Oct | 12 | Good |
| Nov | 9 | Good |
| Dec | 9 | Good |
Where is Cottonwood Heights?
Cottonwood Heights sits at 40.6°N, 111.8°W, 4,823 ft above sea level, in United States. The nearest listed city is Sandy Hills, 3.1 mi away.
Topography around Cottonwood Heights
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Cottonwood Heights.
Within 2 miles, the terrain around Cottonwood Heights has large variations in elevation — a maximum elevation change of 2,644 ft around an average of 4,925 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 7,234 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,635 ft.
The land around Cottonwood Heights is covered by trees (47%) and artificial surfaces (32%) within 2 miles, trees (46%) and artificial surfaces (30%) within 10 miles, and grassland (40%) and trees (31%) 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 Cottonwood Heights (40.6197°, -111.8102°, elevation 4,823 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.