July weather forecastSaint John, UT
July
Weather in July
July is a hot summer month in Saint John, Utah, with an average temperature fluctuating between 86.5°F (30.3°C) and 63°F (17.2°C).Temperature
The warmest time of the year is July, with temperatures averaging a high of 86.5°F (30.3°C) and a low of 63°F (17.2°C).Humidity
The least humid month is July, with an average relative humidity of 33%.Rainfall
In Saint John, in July, during 12 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Saint John, during the entire year, the rain falls for 120.7 days and collects up to 18.39" (467mm) of precipitation.Snowfall
In Saint John, snow does not fall in June through August.Daylight
The average length of the day in July is 14h and 43min.On the first day of July, sunrise is at 6:03 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:45 pm MDT.
Sunshine
In July, the average sunshine is 11.8h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: In July, a daily UV index of 6 turns into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Saint John, UT
- Average high temperature in July: 86.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in July: 63°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in July
Saint John, UT
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in July
Saint John, UT
- Average wind speed in July: 6.5mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is January (5.3mph).
Average humidity in July
Saint John, UT
- Average humidity in July: 33%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (33%).
Average rainfall in July
Saint John, UT
- Average rainfall in July: 1.54"
The wettest month (with the highest rainfall) is April (2.09").
The driest month (with the least rainfall) is June (0.79").
Average rainfall days in July
Saint John, UT
- Average rainfall days in July: 12 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in July
Saint John, UT
- Average snowfall in July: 0"
The months with the highest snowfall are January and December (12.99").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Saint John, UT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Saint John, UT
- Average daylight in July: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in July: 11h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in July
Saint John, UT
- Average sunshine days in July: 15.3 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in July
Saint John, UT
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Saint John, UT
- Average cloud cover in July: 15
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in July
Saint John, UT
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





