Lewisville in Winter
In winter (December, January and February), Lewisville sees average daytime highs around 58°F and overnight lows near 39°F, with 8.8 in of precipitation over about 21 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 44% of the time across winter, and the air most often feels dry.
Winter is Lewisville's 3rd-best season to visit on our travel score. For the whole year in context, see Lewisville's year-round climate.
- Avg daytime high
- 58°F
- coldest season of the year
- Avg overnight low
- 39°F
- Precipitation
- 8.8 in
- 21 wet days
- Avg wind
- 9 mph
- Travel score
- 4.6
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Lewisville in Winter
Across winter, daytime highs hold fairly steady around 58°F.
A typical winter day in Lewisville 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 Lewisville
Once humidity and wind are folded in, winter brings about 0 days that feel above 90°F and 36 that feel at or below 32°F.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Lewisville 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° / 38° | 2.7 | 6.9 | 0.5 | 10.1 | 4.1 |
| Feb | 60° / 41° | 2.7 | 7.1 | 0.6 | 10.8 | 5.2 |
| Mar | 67° / 49° | 3.7 | 8.9 | 0.2 | 11.7 | 6.5 |
| Apr | 75° / 56° | 4.1 | 8.2 | 0 | 12.8 | 7.2 |
| May | 82° / 65° | 5.2 | 10.9 | 0 | 13.7 | 6.0 |
| Jun | 90° / 73° | 3.2 | 7.7 | 0 | 14.1 | 4.3 |
| Jul | 94° / 76° | 1.8 | 5.4 | 0 | 14 | 3.2 |
| Aug | 94° / 76° | 2.0 | 5.2 | 0 | 13.2 | 3.3 |
| Sep | 87° / 69° | 2.8 | 6.1 | 0 | 12.2 | 5.3 |
| Oct | 77° / 58° | 3.8 | 7.5 | 0 | 11.2 | 7.4 |
| Nov | 66° / 47° | 3.5 | 6.8 | 0.1 | 10.3 | 6.7 |
| Dec | 57° / 40° | 3.4 | 6.9 | 0.3 | 9.9 | 4.5 |
Cloud cover in Winter
The sky is clear or mostly clear about 44% of the time across winter.
Chance of precipitation in Winter
Lewisville gets around 8.8 in of rain and snow over 21 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 3.0 kWh/m².
Hazard calendar for Lewisville
None of Lewisville's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Lewisville sits in the Atlantic hurricane belt; the season peaks August–October.
Is winter a good time to visit Lewisville?
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 Lewisville for sightseeing.
What to pack for Lewisville in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Lewisville sees daytime highs around 58°F and nights near 39°F. Worth packing: a warm layer. About 21 days see rain.
UV index in Lewisville 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 Lewisville peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 9 | 9 | 10 | 10 | 10 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 6 | High |
| Apr | 9 | Very high |
| May | 9 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Lewisville 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 Lewisville 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 Lewisville?
Lewisville sits at 33.0°N, 97.0°W, 525 ft above sea level, in United States. The nearest listed city is Highland Village, 4.3 mi away.
Topography around Lewisville
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Lewisville.
Within 2 miles, the terrain around Lewisville has only modest variations in elevation — a maximum elevation change of 177 ft around an average of 515 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 348 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 938 ft.
The land around Lewisville is covered by artificial surfaces (43%) and trees (28%) within 2 miles, artificial surfaces (38%), trees (25%) and grassland (20%) within 10 miles, and grassland (49%) and trees (25%) 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 Lewisville (33.0462°, -96.9942°, elevation 525 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.