July Weather in Boise

Last updated: March 2, 2024

The weather in Boise, United States, during July is characterized by an average temperature of 27°C (81°F). Highs can soar to 40°C (104°F), while lows may dip to 13°C (56°F). Typically, the humidity level in Boise throughout July hovers around 66%.

13°C (56°F)

Minimum temperature

27°C (81°F)

Average temperature

40°C (104°F)

Maximum temperature

66%

Humidity

Precipitation and Sunshine hours

In July, Boise averages 1 mm (0.0 inches) of rainfall, typically over the course of 0 rainy days. The month enjoys an average of 15 hours 0 minutes of daylight, with the sun shining for approximately 12 hours 54 minutes each day. Additionally, there is a 80% probability of sunny days during this period.

1 mm (0.0 inches)

Precipitation

0 rainy days

Rainy days

12 hours 54 minutes

Sunshine hours

80%

Chance of sun

UV Index

In July, the UV Index in Boise reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 3 4 7 9 10 11 10 8 5 3 2
Exposure Low Moderate High VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 30 min 45 min

Compare Boise's Climate with Cities Worldwide