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
July is the warmest month, exhibiting average temperatures of 82°F (27.8°C) at the peak and 64.9°F (18.3°C) at the base.Heat index
The heat index for July is computed to be a tropical 89.6°F (32°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
The average relative humidity in July is 82%.Rainfall
In July, the rain falls for 12 days. Throughout July, 1.02" (26mm) of precipitation is accumulated. In Colfax, during the entire year, the rain falls for 104.4 days and collects up to 10.71" (272mm) of precipitation.Snowfall
June through September are months without snowfall in Colfax.Daylight
The average length of the day in July in Colfax is 14h and 51min.On the first day of July, sunrise is at 5:42 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:31 pm CDT.
Sunshine
With an average of 10.4h of sunshine, July has the most sunshine of the year.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 6 during July translates into the following recommendations:
Fend off overexposure. Sun protection is vital. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest in Colfax?
What are July temperatures in Colfax?
What is the average humidity in July in Colfax?
How many days does it rain in July in Colfax?
When it does not snow in Colfax?
What is the average length of the day in July in Colfax?
When are sunrise and sunset in July in Colfax?
What month has the most sunshine in Colfax?
How many hours of sunshine does Colfax have in July?
When is the highest UV index in Colfax?
What is the UV index reading in July in Colfax?
Average temperature in July
Colfax, IA
- Average high temperature in July: 82°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in July: 64.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in July
Colfax, IA
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in July
Colfax, IA
- Average wind speed in July: 7mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in July
Colfax, IA
- Average humidity in July: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Colfax, IA
- Average rainfall in July: 1.02"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in July
Colfax, IA
- Average rainfall days in July: 12 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in July
Colfax, IA
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Colfax, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Colfax, IA
- Average daylight in July: 14h and 5min
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: 10h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in July
Colfax, IA
- Average sunshine days in July: 14.7 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in July
Colfax, IA
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in July
Colfax, IA
- Average cloud cover in July: 29
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in July
Colfax, IA
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Colfax, Iowa, USA
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