Boulder City in Spring
In spring (March, April and May), Boulder City sees average daytime highs around 79°F and overnight lows near 58°F, with 1.1 in of rain over about 6 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 66°F in early March to 93°F by late May. The sky is clear or mostly clear about 62% of the time across spring, and the air most often feels dry.
Spring is Boulder City's best season of the year to visit on our travel score. For the whole year in context, see Boulder City's year-round climate.
- Avg daytime high
- 79°F
- 3rd-warmest season
- Avg overnight low
- 58°F
- Rainfall
- 1.1 in
- 6 wet days
- Avg wind
- 6 mph
- Travel score
- 7.3
- best season of the year
- Months
- Mar · Apr · May
Temperature in Boulder City in Spring
Over the season highs climb from about 66°F in early March to 93°F by late May.
A typical spring day in Boulder City reaches about 79°F and drops to 58°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Boulder City
Once humidity and wind are folded in, spring brings about 11 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.
Boulder City 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 | 58° / 41° | 0.9 | 3.6 | 9.8 | 5.1 |
| Feb | 63° / 45° | 1.2 | 4.4 | 10.6 | 6.5 |
| Mar | 71° / 51° | 0.7 | 3.2 | 11.7 | 8.0 |
| Apr | 79° / 57° | 0.3 | 1.6 | 12.9 | 8.3 |
| May | 89° / 66° | 0.1 | 1.1 | 13.9 | 5.5 |
| Jun | 99° / 75° | 0.1 | 0.5 | 14.4 | 1.8 |
| Jul | 104° / 82° | 0.3 | 2.5 | 14.2 | 0.0 |
| Aug | 102° / 81° | 0.4 | 3 | 13.4 | 0.6 |
| Sep | 95° / 73° | 0.3 | 1.8 | 12.2 | 3.4 |
| Oct | 81° / 61° | 0.4 | 1.8 | 11.1 | 7.8 |
| Nov | 67° / 49° | 0.5 | 1.7 | 10.1 | 7.8 |
| Dec | 56° / 41° | 0.8 | 3 | 9.6 | 4.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 62% of the time across spring.
Chance of precipitation in Spring
Boulder City gets around 1.1 in of rain over 6 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 6 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 06 min in early March to 14 h 12 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 7.0 kWh/m².
Is spring a good time to visit Boulder City?
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 one of the better times to visit Boulder City for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Boulder City in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Boulder City sees daytime highs around 79°F and nights near 58°F. Pack light clothes and sun protection. About 6 days see rain.
UV index in Boulder City in Spring
Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Boulder City peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 | 5 | 6 | 8 | 11 | 10 | 10 | 8 | 6 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Where is Boulder City?
Boulder City sits at 36.0°N, 114.8°W, 2,510 ft above sea level, in United States. The nearest listed city is Henderson, 9.3 mi away.
Topography around Boulder City
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Boulder City.
Within 2 miles, the terrain around Boulder City has significant variations in elevation — a maximum elevation change of 1,634 ft around an average of 2,431 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,455 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,315 ft.
The land around Boulder City is covered by bare terrain (55%) and artificial surfaces (27%) within 2 miles, bare terrain (68%) within 10 miles, and bare terrain (59%) and shrubs (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 Boulder City (35.9786°, -114.8325°, elevation 2,510 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.