August weather forecastMontgomery, IL
August
Weather in August
The last month of the summer, August, is another warm month in Montgomery, Illinois, with an average temperature ranging between min 62.4°F (16.9°C) and max 79.3°F (26.3°C).Temperature
Montgomery observes a minor difference in average high-temperatures between July's 81.1°F (27.3°C) and August's 79.3°F (26.3°C). Montgomery in August anticipates an average nighttime temperature of 62.4°F (16.9°C).Humidity
The months with the highest humidity are January, February, July and August, with an average relative humidity of 83%.Rainfall
In Montgomery, in August, during 15 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Montgomery, during the entire year, the rain falls for 133.1 days and collects up to 16.93" (430mm) of precipitation.Snowfall
In Montgomery, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 49min.On the first day of August, sunrise is at 5:48 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:27 pm CDT.
Sunshine
In Montgomery, the average sunshine in August is 9.7h.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during August translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. 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 August
Montgomery, IL
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in August: 62.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in August
Montgomery, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Montgomery, IL
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in August
Montgomery, IL
- Average humidity in August: 83%
The months with the highest relative humidity are January, February, July and August (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Montgomery, IL
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is June (2.24").
The driest months (with the least rainfall) are November and December (0.75").
Average rainfall days in August
Montgomery, IL
- Average rainfall days in August: 15 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Montgomery, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Montgomery, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Montgomery, IL
- Average daylight in August: 13h and 48min
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 August: 9h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Montgomery, IL
- Average sunshine days in August: 11.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in August
Montgomery, IL
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Montgomery, IL
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in August
Montgomery, IL
- Average visibility in August: 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).
