August weather forecast
Monroe, IN

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Weather in August

The last month of the summer, August, is another warm month in Monroe, Indiana, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 61.7°F (16.5°C).

Temperature

The start of August marks an average high-temperature of a still moderately hot 79.2°F (26.2°C), hardly distinguishable from the conditions in July. During the month of August, Monroe experiences a steady low-temperature average of 61.7°F (16.5°C).

Humidity

The average relative humidity in August is 82%.

Rainfall

In Monroe, in August, it is raining for 15.1 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, in Monroe, there are 159.4 rainfall days, and 23.74" (603mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August is 13h and 45min.
On the first day of the month, sunrise is at 6:37 am and sunset at 8:54 pm. On the last day of August, sunrise is at 7:06 am and sunset at 8:13 pm EDT.

Sunshine

The average sunshine in August is 9.6h.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 5 in August leads to these guidelines:
Heed the precautions - It is counselled to guard against solar damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

In Monroe, in August, the average high-temperature is 79.2°F (26.2°C), and the average low-temperature is 61.7°F (16.5°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in August?

In Monroe, the average relative humidity in August is 82%.

How many days does it rain in August?

In Monroe, in August, it is raining for 15.1 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow in Monroe?

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

What is the average length of the day in August?

The average day length in August is 13h and 45min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:37 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:13 pm EDT.

How long on average sun shines in August?

In Monroe, the average sunshine duration in August is 9.6h.

What is the UV index reading in August?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Monroe, IN

Average temperature in August - Monroe, IN
  • Average high temperature in August: 79.2°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in August: 61.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in August
Monroe, IN

Average pressure in August - Monroe, IN
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Monroe, IN

Average wind speed in August - Monroe, IN
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in August
Monroe, IN

Average humidity in August - Monroe, IN
  • Average humidity in August: 82%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Monroe, IN

Average rainfall in August - Monroe, IN
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.34").

Average rainfall days in August
Monroe, IN

Average rainfall days in August - Monroe, IN
  • Average rainfall days in August: 15.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.5 days).

Average snowfall in August
Monroe, IN

Average snowfall in August - Monroe, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Monroe, IN

Average snowfall days in August - Monroe, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Monroe, IN

Average daylight in August / Average sunshine in August - Monroe, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in August
Monroe, IN

Average sunshine days in August - Monroe, IN
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (10 days).

Average UV index in August
Monroe, IN

Average UV index in August - Monroe, 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
Monroe, IN

Average cloud cover in August - Monroe, IN
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in August
Monroe, IN

Average visibility in August - Monroe, IN
  • Average visibility in August: 5mi

The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).

Monroe, Indiana, USA

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