August weather forecast
Valparaiso, IN

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Weather in August

In August, Valparaiso's weather exhibits a gradual decrease in temperature, giving the initial signs of an impending summer exit. However, the weather pattern closely resembles that of July, with high levels of humidity and significant rainfall at 2.09" (53mm). Leisurely days filled with sunshine and long daylight hours become less frequent as the month progresses. The city of Valparaiso, slowly but surely, starts experiencing changes in its flora and landscape as August winds down, signaling the advent of September and autumn's onset.

Temperature

The start of August sees the average high-temperature at a still warm 78.6°F (25.9°C), showing little difference from July's 79.9°F (26.6°C). An average low-temperature of 62.4°F (16.9°C) is noted during the month of August.

Humidity

July and August, with an average relative humidity of 84%, are the most humid months.

Rainfall

In Valparaiso, in August, it is raining for 13.3 days, with typically 2.09" (53mm) of accumulated precipitation. In Valparaiso, during the entire year, the rain falls for 133.4 days and collects up to 19.09" (485mm) of precipitation.

Snowfall

In Valparaiso, snow does not fall in June through September.

Daylight

In Valparaiso, Indiana, the average length of the day in August is 13h and 47min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:05 pm. On the last day of August, sunrise is at 6:14 am and sunset at 7:22 pm CDT.

Sunshine

August has the most sunshine of the year, with an average of 9.8h of sunshine.

UV index

In Valparaiso, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 5 in August translates into the following instructions:
Make use of precautions - It is urged to ward off sun damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

In Valparaiso, in August, the average high-temperature is 78.6°F (25.9°C), and the average low-temperature is 62.4°F (16.9°C).

What is the most humid month?

July and August, with an average relative humidity of 84%, are most humid months.

What is the average humidity in August?

In August, the average relative humidity is 84%.

How many days does it rain in August?

In August, the rain falls for 13.3 days. Throughout August, 2.09" (53mm) of precipitation is accumulated.

When it does not snow?

In Valparaiso, snow does not fall in June through September.

How many hours of daylight does Valparaiso have in August?

The average day length in August is 13h and 47min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:43 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:22 pm CDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 9.8h of sunshine.

How many hours of sunshine does Valparaiso have in August?

In August, the average sunshine duration is 9.8h.

How high is the UV index in August?

In Valparaiso, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
Valparaiso, IN

Average temperature in August - Valparaiso, IN
  • Average high temperature in August: 78.6°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in August: 62.4°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°F).

Average pressure in August
Valparaiso, IN

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Valparaiso, IN

Average wind speed in August - Valparaiso, IN
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in August
Valparaiso, IN

Average humidity in August - Valparaiso, IN
  • Average humidity in August: 84%

The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (73%).

Average rainfall in August
Valparaiso, IN

Average rainfall in August - Valparaiso, IN
  • Average rainfall in August: 2.09"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in August
Valparaiso, IN

Average rainfall days in August - Valparaiso, IN
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.9 days).

Average snowfall in August
Valparaiso, IN

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

The month with the highest snowfall is January (2.48").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Valparaiso, IN

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

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Valparaiso, IN
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in August
Valparaiso, IN

Average sunshine days in August - Valparaiso, IN
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in August
Valparaiso, IN

Average UV index in August - Valparaiso, IN
  • Average UV index in August: 5

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Valparaiso, IN

Average cloud cover in August - Valparaiso, IN
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
Valparaiso, IN

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

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

Valparaiso, Indiana, USA

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