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
The advent of August brings an average high-temperature of a still moderately hot 81.9°F (27.7°C), almost identical to the preceding month. In August, in Macomb, the average low-temperature is an enjoyable 63.7°F (17.6°C).Heat index
In August, the heat index is appraised at a hot 87.8°F (31°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In August, the average relative humidity in Macomb is 80%.Rainfall
In Macomb, in August, it is raining for 11.1 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, in Macomb, there are 122.7 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
In Macomb, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 44min.On the first day of August, sunrise is at 6:00 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:35 pm CDT.
Sunshine
The average sunshine in August in Macomb is 10h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Macomb. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 6 in August transforms into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the average August temperature in Macomb?
What is the average humidity in August in Macomb?
How much does it rain in Macomb in August?
When it does not snow in Macomb?
What is the average length of the day in August in Macomb?
When are sunrise and sunset in August in Macomb?
How long on average sun shines in August in Macomb?
When is the highest UV index in Macomb?
What is the UV index reading in August in Macomb?
Average temperature in August
Macomb, IL
- Average high temperature in August: 81.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in August
Macomb, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Macomb, IL
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in August
Macomb, IL
- Average humidity in August: 80%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Macomb, IL
- Average rainfall in August: 1.42"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in August
Macomb, IL
- Average rainfall days in August: 11.1 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in August
Macomb, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Macomb, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.6 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
Macomb, IL
- 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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Macomb, IL
- Average sunshine days in August: 17.3 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in August
Macomb, IL
- 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
Macomb, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in August
Macomb, IL
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Macomb, Illinois, USA
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