July weather forecastChallis, ID
July
Weather in July
July is the summit of the summer season in Challis, where days are hot under clear and sunny skies. This month records the warmest temperatures of the year with an average high at 76.6°F (24.8°C). The weather conditions are dry with exceptionally low humidity levels and minimal clouds. Winds move at a gentle pace, making the heat somewhat bearable. July stands as a truly summer month, with the brilliant sun ruling the skies.Temperature
The highest temperatures are recorded in July, with averages reaching a high of 76.6°F (24.8°C) and a low of 47.3°F (8.5°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 38%.Rainfall
The month with the least rainfall is July, when the rain falls for 4.7 days and typically collects 0.28" (7mm) of precipitation.Snowfall
In Challis, snow does not fall in July and August.Daylight
In Challis, the average length of the day in July is 15h and 9min.On the first day of July, sunrise is at 5:56 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 9:03 pm MDT.
Sunshine
The month with the most sunshine is July, with an average of 11.9h of sunshine.UV index
June and July, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 5 in July translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Challis, ID
- Average high temperature in July: 76.6°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (26.1°F).
- Average low temperature in July: 47.3°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in July
Challis, ID
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Challis, ID
- Average wind speed in July: 5.7mph
The windiest months (with the highest average wind speed) are June and July (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in July
Challis, ID
- Average humidity in July: 38%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (38%).
Average rainfall in July
Challis, ID
- Average rainfall in July: 0.28"
The wettest month (with the highest rainfall) is June (1.1").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in July
Challis, ID
- Average rainfall days in July: 4.7 days
The month with the highest number of rainy days is June (10.2 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in July
Challis, ID
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are July and August (0").
Average snowfall days in July
Challis, ID
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (10.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in July /
Average sunshine in July
Challis, ID
- Average daylight in July: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in July: 11h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in July
Challis, ID
- Average sunshine days in July: 24.1 days
The month with the most sunshine days is July (24.1 days).
The months with the least sunshine days are March and April (17.2 days).
Average UV index in July
Challis, ID
- Average UV index in July: 5
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in July
Challis, ID
- Average cloud cover in July: 11
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in July
Challis, ID
- Average visibility in July: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
