July weather forecastPreston, ID
July
Weather in July
In the peak of summer, July sits as the warmest month in Preston, Idaho with temperatures escalating to about 84.4°F (29.1°C) at their highest. The city experiences the longest daylight hours, nearly 15 hours, accentuating its summer vibrancy. With the shift in seasons, precipitation also transitions from rainfall to negligible amounts of snowfall. Increased sunshine and limited cloud cover make July a great time for outdoor exploration and activities. It's the zenith of summer, where warmth, luminosity, and arid conditions dominate Preston.Temperature
The warmest time of the year is July, with temperatures averaging a high of 84.4°F (29.1°C) and a low of 53.8°F (12.1°C).Humidity
In July, the average relative humidity is 39%.Rainfall
The month with the least rainfall is July, when the rain falls for 5.5 days and typically collects 0.35" (9mm) of precipitation.Snowfall
June through August are months without snowfall.Daylight
The average length of the day in July is 14h and 53min.On the first day of July, sunrise is at 5:55 am and sunset at 9:07 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:47 pm MDT.
Sunshine
July has the most sunshine of the year, with an average of 12h of sunshine.UV index
July is the month with the highest UV index, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 6 in July transforms into the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Preston, ID
- Average high temperature in July: 84.4°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in July: 53.8°F
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in July
Preston, ID
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in July
Preston, ID
- Average wind speed in July: 5.4mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in July
Preston, ID
- Average humidity in July: 39%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (38%).
Average rainfall in July
Preston, ID
- Average rainfall in July: 0.35"
The wettest month (with the highest rainfall) is February (2.24").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in July
Preston, ID
- Average rainfall days in July: 5.5 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is July (5.5 days).
Average snowfall in July
Preston, ID
- Average snowfall in July: 0"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Preston, ID
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Preston, ID
- Average daylight in July: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in July
Preston, ID
- Average sunshine days in July: 21.8 days
The month with the most sunshine days is July (21.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in July
Preston, ID
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Preston, ID
- Average cloud cover in July: 10
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in July
Preston, 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, February and December (4mi).
