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June Weather in Boulder City, United States

Last updated: June 24, 2025

In June, the average temperature in Boulder City, United States soars to a sizzling 33°C (91°F). Temperatures can vary significantly, with a minimum of 16°C (61°F) and a scorching maximum of 47°C (116°F). Interestingly, the region experiences minimal rainfall, with only 1 mm (0.0 in) of precipitation over 0 days. Additionally, the air remains quite dry, boasting an average humidity of 31%. 🌞

June Temperature in Boulder City

In June in Boulder City, the average temperature is 33°C (91°F). Maximums can reach 47°C (116°F), while minimums can be as low as 16°C (61°F). Travelers should be prepared for extreme heat, but the cooler evenings may offer some relief.

June Weather in Boulder City: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Boulder City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boulder City, June typically has an average temperature of 33°C (91°F), with highs reaching up to 47°C (116°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec495361717891959486706049
Data source: Temperature data for Boulder City generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Boulder City

In Boulder City in June, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

June Precipitation Trends in Boulder City

The chart displays monthly precipitation patterns in Boulder City, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Boulder City, June typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec2122205611811581916
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Boulder City

In Boulder City in June, humidity is 31%. With an average temperature of 33°C (91°F), this humidity feels like a warm embrace, making outdoor exploration enjoyable yet slightly muggy, urging travelers to seek shade while still appreciating the vibrant atmosphere.

June Average Humidity in Boulder City

This chart illustrates the average monthly humidity levels in Boulder City, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Boulder City is approximately 31%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%80%68%58%45%31%27%30%48%60%70%77%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Boulder City

In Boulder City in June, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Boulder City.

Maximum UV Index Levels in Boulder City for June

The chart shows the monthly maximum UV Index (UVI) for Boulder City in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In June, the maximum UV index in Boulder City typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110753
Data source: Boulder City June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How June Weather in Boulder City Compares to Other Months

Weather in Boulder City varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Boulder City, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Boulder City, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)21 mm (0.8 inches)77%moderate
February Weather12°C (53°F)21 mm (0.8 inches)80%high
March Weather16°C (61°F)20 mm (0.8 inches)68%very high
April Weather22°C (71°F)5 mm (0.2 inches)58%very high
May Weather26°C (78°F)6 mm (0.2 inches)45%extreme
June Weather33°C (91°F)1 mm (0.0 inches)31%extreme
July Weather35°C (96°F)17 mm (0.7 inches)27%extreme
August Weather35°C (95°F)11 mm (0.4 inches)30%extreme
September Weather30°C (86°F)5 mm (0.2 inches)48%very high
October Weather21°C (71°F)8 mm (0.3 inches)59%high
November Weather15°C (60°F)19 mm (0.7 inches)70%moderate
December Weather10°C (50°F)15 mm (0.6 inches)77%moderate

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