Round Rock in Spring
In spring (March, April and May), Round Rock sees average daytime highs around 78°F and overnight lows near 59°F, with 10.3 in of rain over about 28 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs climb from about 68°F in early March to 88°F by late May. The sky is clear or mostly clear about 36% of the time across spring, and the air most often feels dry.
Spring is Round Rock's best season of the year to visit on our travel score. For the whole year in context, see Round Rock's year-round climate.
- Avg daytime high
- 78°F
- 3rd-warmest season
- Avg overnight low
- 59°F
- Rainfall
- 10.3 in
- 28 wet days
- Avg wind
- 9 mph
- Travel score
- 6.4
- best season of the year
- Months
- Mar · Apr · May
Temperature in Round Rock in Spring
Over the season highs climb from about 68°F in early March to 88°F by late May.
A typical spring day in Round Rock reaches about 78°F and drops to 59°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Round Rock
Once humidity and wind are folded in, spring brings about 5 days that feel above 90°F and 0 that feel at or below 32°F.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Round Rock weather by month
How the three spring months (March, April and May) 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 | 60° / 41° | 2.3 | 6.8 | 10.3 | 5.4 |
| Feb | 64° / 45° | 2.4 | 7.3 | 10.9 | 6.2 |
| Mar | 71° / 51° | 2.9 | 8.8 | 11.8 | 6.9 |
| Apr | 78° / 58° | 3.0 | 8.2 | 12.7 | 7.1 |
| May | 85° / 66° | 4.3 | 10.8 | 13.5 | 5.3 |
| Jun | 91° / 73° | 2.8 | 8.7 | 13.9 | 3.8 |
| Jul | 95° / 75° | 1.6 | 5.8 | 13.8 | 2.9 |
| Aug | 95° / 75° | 2.1 | 5.8 | 13.1 | 2.9 |
| Sep | 89° / 69° | 2.9 | 7.4 | 12.2 | 4.6 |
| Oct | 80° / 60° | 3.4 | 7.1 | 11.3 | 7.1 |
| Nov | 69° / 50° | 2.7 | 6.6 | 10.5 | 7.1 |
| Dec | 62° / 43° | 2.8 | 7.5 | 10.1 | 5.7 |
Cloud cover in Spring
The sky is clear or mostly clear about 36% of the time across spring.
Chance of precipitation in Spring
Round Rock gets around 10.3 in of rain over 28 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 9 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 18 min in early March to 13 h 48 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.2 kWh/m².
Is spring a good time to visit Round Rock?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Round Rock for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Round Rock in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Round Rock sees daytime highs around 78°F and nights near 59°F. Pack light clothes. Worth having: rain gear and sun protection. About 28 days see rain.
UV index in Round Rock in Spring
Clear-sky midday UV across spring averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Round Rock peaks around July 24 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (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) | 4 | 6 | 7 | 10 | 10 | 10 | 11 | 11 | 8 | 6 | 5 | 4 |
| Level | Moderate | High | High | Very high | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 6 | High |
| Mar | 7 | High |
| Apr | 10 | Very high |
| May | 10 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 4 | Moderate |
Air quality in Round Rock in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Round Rock is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 7 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) | 7 | 7 | 9 | 10 | 14 | 15 | 18 | 13 | 10 | 7 | 7 | 7 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 7 | Good |
| Mar | 9 | Good |
| Apr | 10 | Good |
| May | 14 | Moderate |
| Jun | 15 | Moderate |
| Jul | 18 | Moderate |
| Aug | 13 | Moderate |
| Sep | 10 | Good |
| Oct | 7 | Good |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Round Rock?
Round Rock sits at 30.5°N, 97.7°W, 735 ft above sea level, in United States. The nearest listed city is Brushy Creek, 3.7 mi away.
Topography around Round Rock
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Round Rock.
Within 2 miles, the terrain around Round Rock has only modest variations in elevation — a maximum elevation change of 220 ft around an average of 751 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 492 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,519 ft.
The land around Round Rock is covered by artificial surfaces (50%) and trees (32%) within 2 miles, trees (31%), grassland (30%) and artificial surfaces (29%) within 10 miles, and grassland (44%) and trees (42%) 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 Round Rock (30.5083°, -97.6789°, elevation 735 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.