July weather forecastPerth, ND
July
Weather in July
July is a warm summer month in Perth, North Dakota, with an average temperature ranging between min 57.2°F (14°C) and max 77.4°F (25.2°C).Temperature
July witnesses a subtle temperature ascent, adjusting from an agreeable 70.7°F (21.5°C) in June to a moderately hot 77.4°F (25.2°C). Perth reports an average nighttime low-temperature of 57.2°F (14°C) in July.Humidity
In Perth, the average relative humidity in July is 69%.Rainfall
In July, in Perth, the rain falls for 15.3 days. Throughout July, 2.52" (64mm) of precipitation is accumulated. Throughout the year, in Perth, North Dakota, there are 110.9 rainfall days, and 17.95" (456mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in July in Perth, North Dakota, is 15h and 40min.On the first day of July in Perth, sunrise is at 5:39 am and sunset at 9:44 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 9:16 pm CDT.
Sunshine
The month with the most sunshine is July, with an average of 11h of sunshine.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index in Perth. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 5 in July leads to these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Perth, ND
- Average high temperature in July: 77.4°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is January (14.2°F).
- Average low temperature in July: 57.2°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure in July
Perth, ND
- Average pressure in July: 29.9"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Perth, ND
- Average wind speed in July: 8.6mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in July
Perth, ND
- Average humidity in July: 69%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).
Average rainfall in July
Perth, ND
- Average rainfall in July: 2.52"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in July
Perth, ND
- Average rainfall days in July: 15.3 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2 days).
Average snowfall in July
Perth, ND
- Average snowfall in July: 0"
The month with the highest snowfall is November (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Perth, ND
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Perth, ND
- Average daylight in July: 15h and 42min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in July: 11h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in July
Perth, ND
- Average sunshine days in July: 12.3 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in July
Perth, ND
- Average UV index in July: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in July
Perth, ND
- Average cloud cover in July: 27
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in July
Perth, ND
- 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, March and December (5mi).





