Boulder City (NV) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Boulder City.
Climate overview of Boulder City
Temperatures in Boulder City, Nevada, United States of America, vary greatly throughout the year. July is the hottest month at 40°C (104°F), while December is the coldest at 13°C (55°F).
The city has an arid climate, receiving only 112 mm (4.4 in) of rainfall per year. June is the sunniest month, averaging 13.7 hours of sunshine per day.
Boulder City Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Boulder City — and find the best time to visit.
Monthly Temperature in Boulder City
The climate in Boulder City is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very hot 40°C (104°F) in July to a moderate 13°C (55°F) in December.
Nighttime temperatures range from 27°C (81°F) in July to 4°C (39°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Boulder City
Boulder City is known for its low rainfall, with yearly precipitation amounts around 112 mm (4.4 in). The seasons in Boulder City bring significant changes in precipitation. The wettest month, August, receives low rainfall, with an average of 17 mm (0.7 in) of precipitation. This rainfall is distributed across 4 rainy days.
In contrast, the driest month, June, experiences much less rainfall, totaling 0.9 mm (0.04 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Boulder City Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Boulder City
In Boulder City, summer days are longer and more sunny, with daily sunshine hours peaking at 13.7 hours in June. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 8.0 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Boulder City by Month
The relative humidity is low throughout the year in Boulder City.
The city experiences its highest humidity in December, reaching 45%. In June, the humidity drops to its lowest level at 17%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Boulder City
Pack accordingly for the dry conditions. Sun protection and a hat are essential, though rain gear is rarely needed. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Boulder City
What is the best time to visit Boulder City?
March, April, October and November typically offer the most optimal weather in Boulder City. In contrast, June, July, August and September tend to have less optimal conditions. Boulder City has a distinct dry season from January to December.
What temperatures can I expect in Boulder City?
Daytime highs range from 13°C (55°F) in December to 40°C (104°F) in July. Nighttime lows range from 4°C (39°F) to 27°C (81°F). Temperatures vary considerably through the year.
How much rain does Boulder City get?
Annual rainfall is around 112 mm (4.4 in). August is the wettest month with 17 mm (0.7 in), while June is the driest with 0.9 mm (0.04 in).
How sunny is Boulder City?
Boulder City receives around 3,838 hours of sunshine per year. June is the sunniest month with 411 hours, while January is the cloudiest with just 239 hours. Overall, Boulder City enjoys abundant sunshine.
Boulder City 3-Day Forecast
Boulder City (NV) 3-Day Forecast
Boulder City on the map
Boulder City is highlighted — select any city to see its climate.
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