Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
Eighteenmile's warmest month, July, generally records average temperatures ranging from a high of 77.4°F (25.2°C) to a low of 46°F (7.8°C).Humidity
The average relative humidity in July is 49%.Rainfall
July is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.47" (12mm) of precipitation.Snowfall
Months with snowfall in Eighteenmile are January through July, September through December. July is the last month it regularly snows. During 0.1 snowfall days, in July, Eighteenmile aggregates 0.08" (2mm) of snow. In Eighteenmile, during the entire year, snow falls for 138.1 days and aggregates up to 107.64" (2734mm) of snow.Daylight
In Eighteenmile, the average length of the day in July is 15h and 7min.On the first day of July, sunrise is at 5:47 am and sunset at 9:15 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:53 pm MDT.
Sunshine
July has the most sunshine of the year, with an average of 12h of sunshine.UV index
June and July, with an average maximum UV index of 5, are months with the highest UV index in Eighteenmile. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during July translates into the following guidance:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
What is the average July temperature?
What is the average humidity in July?
What is the driest month?
How many days does it rain in July?
What is the last month it snows?
What is the average length of the day in July?
When are sunrise and sunset in July?
What month has the most sunshine?
How long on average sun shines in July?
When is the highest UV index?
How high is the UV index in July?
Average temperature in July
Eighteenmile, ID
- Average high temperature in July: 77.4°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (22.3°F).
- Average low temperature in July: 46°F
The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).
Average pressure in July
Eighteenmile, ID
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Eighteenmile, ID
- Average wind speed in July: 5.8mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in July
Eighteenmile, ID
- Average humidity in July: 49%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in July
Eighteenmile, ID
- Average rainfall in July: 0.47"
The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in July
Eighteenmile, ID
- Average rainfall days in July: 6.8 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in July
Eighteenmile, ID
- Average snowfall in July: 0.08"
The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").
Average snowfall days in July
Eighteenmile, ID
- Average snowfall days in July: 0.1 days
The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).
Average daylight in July /
Average sunshine in July
Eighteenmile, ID
- Average daylight in July: 15h and 1min
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: 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: 3h and 48min).
Average sunshine days in July
Eighteenmile, ID
- Average sunshine days in July: 21.2 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in July
Eighteenmile, 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, November and December (UV index 1).
Average cloud cover in July
Eighteenmile, ID
- Average cloud cover in July: 13
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in July
Eighteenmile, ID
- Average visibility in July: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (3mi).
Eighteenmile, Idaho, USA
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