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
Rockville observes an average high-temperature of a still warm 81.1°F (27.3°C) in August, barely different from 82°F (27.8°C) in July. In August, the average low-temperature records at a refreshing 63.7°F (17.6°C) during the nights.Heat index
The average heat index in August is computed to be a tropical 87.8°F (31°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In Rockville, the average relative humidity in August is 82%.Rainfall
In Rockville, during August, the rain falls for 12.3 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 138.6 rainfall days, and 19.09" (485mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Rockville.Daylight
The average length of the day in August in Rockville, Indiana, is 13h and 41min.On the first day of August, sunrise is at 6:48 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 8:21 pm EDT.
Sunshine
The average sunshine in August is 9.3h.UV index
The months with the highest UV index in Rockville are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. 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 usual temperature for Rockville in August?
What is the average humidity in August in Rockville?
How much does it rain in Rockville in August?
When it does not snow in Rockville?
How many hours of daylight does Rockville have in August?
What time are sunrise and sunset in August in Rockville?
How long on average sun shines in August in Rockville?
When is the highest UV index in Rockville?
How high is the UV index in August in Rockville?
Average temperature in August
Rockville, IN
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in August
Rockville, IN
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Rockville, IN
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in August
Rockville, IN
- Average humidity in August: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Rockville, IN
- Average rainfall in August: 1.5"
The wettest months (with the highest rainfall) are April and May (2.52").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in August
Rockville, IN
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in August
Rockville, IN
- Average snowfall in August: 0"
The month with the highest snowfall is December (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Rockville, IN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rockville, IN
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in August
Rockville, IN
- Average sunshine days in August: 16.1 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10 days).
Average UV index in August
Rockville, IN
- Average UV index in August: 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, November and December (UV index 2).
Average cloud cover in August
Rockville, IN
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in August
Rockville, IN
- 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).
Rockville, Indiana, USA
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