July weather forecastDecatur, MI
July
Weather in July
July, like June, in Decatur, Michigan, is a moderately hot summer month, with an average temperature varying between 79.7°F (26.5°C) and 61.9°F (16.6°C).Temperature
With average temperatures fluctuating between a high of 79.7°F (26.5°C) and a low of 61.9°F (16.6°C), July stands out as the warmest month.Humidity
In Decatur, the average relative humidity in July is 82%.Rainfall
In July, the rain falls for 14.8 days. Throughout July, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 139.4 rainfall days, and 20" (508mm) of precipitation is accumulated.Snowfall
In Decatur, snow does not fall in June through September.Daylight
In Decatur, the average length of the day in July is 14h and 53min.On the first day of July, sunrise is at 6:12 am and sunset at 9:23 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 9:03 pm EDT.
Sunshine
The month with the most sunshine is July, with an average of 10.2h of sunshine.UV index
The average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 5 in July interprets into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Decatur, MI
- Average high temperature in July: 79.7°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in July: 61.9°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in July
Decatur, MI
- Average pressure in July: 29.97"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Decatur, MI
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in July
Decatur, MI
- Average humidity in July: 82%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in July
Decatur, MI
- Average rainfall in July: 1.89"
The wettest month (with the highest rainfall) is June (2.6").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in July
Decatur, MI
- Average rainfall days in July: 14.8 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in July
Decatur, MI
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Decatur, MI
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Decatur, MI
- 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: 10h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in July
Decatur, MI
- Average sunshine days in July: 13.3 days
The month with the most sunshine days is March (14.4 days).
The month with the least sunshine days is January (9.8 days).
Average UV index in July
Decatur, MI
- Average UV index in July: 5
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Decatur, MI
- Average cloud cover in July: 31
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in July
Decatur, MI
- Average visibility in July: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
