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Boulder City (NV) Weather and Climate: A Comprehensive Guide

Boulder City experiences great temperature shifts. The city's weather can transition from very hot days to mild weather. The city has a dry climate with very low precipitation levels. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

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 in July to a moderate 13°C in December.

Nighttime temperatures can drop, with average lows reaching 4°C in December. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Boulder City is known for its low rainfall, with yearly precipitation amounts around 112 mm. The seasons in Boulder City, bring significant changes in precipitation. The wettest month, August, receives low rainfall, with an average of 17 mm of precipitation. This rainfall is distributed across 4 rainy days.

In contrast, the driest month, June, experiences much less rainfall, totaling 0.9 mm 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

Sunshine over the year

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

Data from: Las Vegas, the United States of America (32 KM, 20 Miles).

Daily hours of sunshine

Data from: Las Vegas, the United States of America (32 KM, 20 Miles).

Forecast for Boulder City (NV)

Sat   Dec 21
20°C | 7°C
N 3 m/s
almost clear and no rain

almost clear and no rain

Sun   Dec 22
19°C | 7°C
NE 3 m/s
partly cloudy and no rain

partly cloudy and no rain

Mon   Dec 23
20°C | 8°C
N 3 m/s
almost clear and no rain

almost clear and no rain

The best time of year to visit Boulder City in the United States of America

During the months of March, April and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Boulder City?
    July has an average maximum temperature of 40°C and is the warmest month of the year.
  • Which is the coldest month in Boulder City?
    The coldest month is December with an average maximum temperature of 13°C.
  • Which is the wettest month in Boulder City?
    August tops the wettest month list with 17 mm of rainfall.
  • Which is the driest month in Boulder City?
    June is the driest month with 1 mm of precipitation.
  • Which is the sunniest month in Boulder City?
    June is the sunniest month with an average of 411 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.