Rockwall in Winter
In winter (December, January and February), Rockwall sees average daytime highs around 58°F and overnight lows near 39°F, with 9.7 in of precipitation over about 23 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across winter, daytime highs hold fairly steady around 58°F. The sky is clear or mostly clear about 42% of the time across winter, and the air most often feels dry.
Winter is Rockwall's 3rd-best season to visit on our travel score. For the whole year in context, see Rockwall's year-round climate.
- Avg daytime high
- 58°F
- coldest season of the year
- Avg overnight low
- 39°F
- Precipitation
- 9.7 in
- 23 wet days
- Avg wind
- 9 mph
- Travel score
- 4.5
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Rockwall in Winter
Across winter, daytime highs hold fairly steady around 58°F.
A typical winter day in Rockwall reaches about 58°F and drops to 39°F overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Rockwall
Once humidity and wind are folded in, winter brings about 0 days that feel above 90°F and 41 that feel at or below 32°F.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Rockwall 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 | 56° / 37° | 2.8 | 7.2 | 0.4 | 10.1 | 4.0 |
| Feb | 60° / 41° | 3.0 | 7.8 | 0.6 | 10.8 | 5.0 |
| Mar | 67° / 48° | 4.1 | 9.5 | 0.2 | 11.7 | 6.3 |
| Apr | 74° / 56° | 4.5 | 9.1 | 0 | 12.8 | 7.1 |
| May | 82° / 65° | 5.4 | 11.3 | 0 | 13.7 | 6.0 |
| Jun | 89° / 72° | 3.4 | 8.9 | 0 | 14.1 | 4.3 |
| Jul | 93° / 76° | 1.9 | 6.2 | 0 | 14 | 3.3 |
| Aug | 93° / 75° | 2.1 | 5.6 | 0 | 13.2 | 3.4 |
| Sep | 87° / 69° | 2.7 | 6.6 | 0 | 12.2 | 5.3 |
| Oct | 77° / 57° | 4.0 | 7.9 | 0 | 11.2 | 7.4 |
| Nov | 66° / 47° | 3.7 | 7.3 | 0.1 | 10.3 | 6.5 |
| Dec | 57° / 39° | 3.8 | 7.5 | 0.2 | 9.9 | 4.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 42% of the time across winter.
Chance of precipitation in Winter
Rockwall gets around 9.7 in of rain and snow over 23 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 9 mph across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 hours 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 2.9 kWh/m².
Hazard calendar for Rockwall
None of Rockwall's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Rockwall sits in the Atlantic hurricane belt; the season peaks August–October.
Is winter a good time to visit Rockwall?
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 Rockwall for sightseeing.
What to pack for Rockwall in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Rockwall sees daytime highs around 58°F and nights near 39°F. Worth packing: a warm layer. About 23 days see rain.
UV index in Rockwall 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 Rockwall peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 6 | 10 | 10 | 10 | 10 | 10 | 8 | 6 | 5 | 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 | 6 | High |
| Apr | 10 | Very high |
| May | 10 | Very high |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Rockwall 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 Rockwall is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (October, 8 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) | 8 | 8 | 10 | 11 | 14 | 16 | 19 | 15 | 11 | 8 | 8 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 8 | Good |
| Mar | 10 | Good |
| Apr | 11 | Good |
| May | 14 | Moderate |
| Jun | 16 | Moderate |
| Jul | 19 | Moderate |
| Aug | 15 | Moderate |
| Sep | 11 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Rockwall?
Rockwall sits at 32.9°N, 96.5°W, 591 ft above sea level, in United States. The nearest listed city is Rowlett, 6.2 mi away.
Topography around Rockwall
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Rockwall.
Within 2 miles, the terrain around Rockwall has only modest variations in elevation — a maximum elevation change of 187 ft around an average of 509 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 279 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 617 ft.
The land around Rockwall is covered by artificial surfaces (32%), grassland (25%) and water (21%) within 2 miles, grassland (41%) within 10 miles, and grassland (47%) and trees (26%) 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 Rockwall (32.9312°, -96.4597°, elevation 591 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.