August weather forecast
Melvin, IL

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Weather in August

August, the last month of the summer in Melvin, is also a moderately hot month, with an average temperature varying between 62.8°F (17.1°C) and 79.7°F (26.5°C).

Temperature

Entering August, the average high-temperature is recorded at a still warm 79.7°F (26.5°C), exhibiting a minimal shift from July's 80.8°F (27.1°C). Nighttime temperatures consistently average an enjoyable 62.8°F (17.1°C) during August.

Humidity

The average relative humidity in August is 83%.

Rainfall

In Melvin, in August, during 13.2 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 126.2 rainfall days, and 14.96" (380mm) of precipitation is accumulated.

Snowfall

In Melvin, snow does not fall in May through September.

Daylight

In Melvin, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 5:50 am and sunset at 8:07 pm. On the last day of August, sunrise is at 6:19 am and sunset at 7:26 pm CDT.

Sunshine

In Melvin, the average sunshine in August is 9.7h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Melvin in August?

The average high-temperature and low-temperature during August are 79.7°F (26.5°C) and 62.8°F (17.1°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is evaluated at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 83%.

How many days does it rain in August?

In Melvin, in August, it is raining for 13.2 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow?

In Melvin, snow does not fall in May through September.

How many hours of daylight does Melvin have in August?

In August, the average day length is 13h and 44min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:50 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:26 pm CDT.

How many hours of sunshine does Melvin have in August?

In Melvin, the average sunshine duration in August is 9.7h.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August?

In Melvin, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Melvin, IL

Average temperature in August - Melvin, IL
  • Average high temperature in August: 79.7°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in August: 62.8°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average pressure in August
Melvin, IL

Average pressure in August - Melvin, IL
  • 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 (29.92"Hg).

Average wind speed in August
Melvin, IL

Average wind speed in August - Melvin, IL
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in August
Melvin, IL

Average humidity in August - Melvin, IL
  • Average humidity in August: 83%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Melvin, IL

Average rainfall in August - Melvin, IL
  • Average rainfall in August: 1.38"

The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are February and December (0.75").

Average rainfall days in August
Melvin, IL

Average rainfall days in August - Melvin, IL
  • Average rainfall days in August: 13.2 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in August
Melvin, IL

Average snowfall in August - Melvin, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Melvin, IL

Average snowfall days in August - Melvin, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.3 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
Melvin, IL

Average daylight in August / Average sunshine in August - Melvin, 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: 9h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
Melvin, IL

Average sunshine days in August - Melvin, IL
  • Average sunshine days in August: 13.5 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in August
Melvin, IL

Average UV index in August - Melvin, 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
Melvin, IL

Average cloud cover in August - Melvin, IL
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in August
Melvin, IL

Average visibility in August - Melvin, 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).

Melvin, Illinois, USA

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