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
Martinsville's August showcases an average high-temperature of a still warm 81.7°F (27.6°C), hardly distinct from July's 82.9°F (28.3°C). During August, Martinsville experiences a consistent low-temperature average of 64°F (17.8°C).Heat index
Throughout August, the heat index is estimated at a hot 87.8°F (31°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In August, the average relative humidity is 82%.Rainfall
In Martinsville, Illinois, during August, the rain falls for 10.6 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Martinsville, Illinois, during the entire year, the rain falls for 115.9 days and collects up to 11.26" (286mm) of precipitation.Snowfall
May through October are months without snowfall in Martinsville.Daylight
In August, the average length of the day is 13h and 40min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:03 pm. On the last day of August, sunrise is at 6:19 am and sunset at 7:23 pm CDT.
Sunshine
In Martinsville, Illinois, the average sunshine in August is 10h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Martinsville, Illinois. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 6 in August translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Martinsville?
What is the average humidity in August in Martinsville?
How much does it rain in Martinsville in August?
When it does not snow in Martinsville?
What is the average length of the day in August in Martinsville?
When are sunrise and sunset in August in Martinsville?
How many hours of sunshine does Martinsville have in August?
What are the months with the highest UV index in Martinsville?
What is the UV index intensity in August in Martinsville?
Average temperature in August
Martinsville, IL
- Average high temperature in August: 81.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in August
Martinsville, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Martinsville, IL
- Average wind speed in August: 6.1mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in August
Martinsville, IL
- Average humidity in August: 82%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Martinsville, IL
- Average rainfall in August: 0.87"
The wettest month (with the highest rainfall) is April (1.54").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in August
Martinsville, IL
- Average rainfall days in August: 10.6 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (6 days).
Average snowfall in August
Martinsville, IL
- Average snowfall in August: 0"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Martinsville, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Martinsville, IL
- 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 30min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Martinsville, IL
- Average sunshine days in August: 16.5 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in August
Martinsville, IL
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Martinsville, IL
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in August
Martinsville, IL
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Martinsville, Illinois, USA
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