Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August's presence marks an average high-temperature of a still moderately hot 79.5°F (26.4°C), subtly varied from July's 81°F (27.2°C). In the month of August, Monticello records a consistent average low-temperature of 62.4°F (16.9°C).Humidity
The average relative humidity in August is 83%.Rainfall
In August, the rain falls for 15.6 days. Throughout August, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 157.1 rainfall days, and 23.11" (587mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Monticello, the average length of the day in August is 13h and 45min.On the first day of August, sunrise is at 6:44 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 8:20 pm EDT.
Sunshine
The average sunshine in August is 9.2h.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In August, the maximum UV index of 5 suggests this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Monticello have in August?
What time are sunrise and sunset in August in Monticello?
How long on average sun shines in August?
What is the UV index intensity in August?
Average temperature in August
Monticello, IN
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in August: 62.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in August
Monticello, IN
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Monticello, IN
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in August
Monticello, IN
- Average humidity in August: 83%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Monticello, IN
- Average rainfall in August: 2.17"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in August
Monticello, IN
- Average rainfall days in August: 15.6 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in August
Monticello, IN
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Monticello, IN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Monticello, IN
- Average daylight in August: 13h and 4min
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 18min).
- Average sunshine in August: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Monticello, IN
- Average sunshine days in August: 11.2 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in August
Monticello, IN
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Monticello, IN
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Monticello, IN
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Monticello, Indiana, USA
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