August weather forecast
South Haven, IN

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Weather in August

August, the last month of the summer in South Haven, is also a moderately hot month, with an average temperature ranging between min 64.4°F (18°C) and max 77.7°F (25.4°C).

Temperature

South Haven's shift into August sets the average high-temperature at a still warm 77.7°F (25.4°C), a figure that deviates only slightly from July's 79.2°F (26.2°C). An average low-temperature of 64.4°F (18°C) is recorded during the nights in August.

Humidity

In South Haven, the average relative humidity in August is 80%.

Rainfall

In South Haven, in August, it is raining for 16.2 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 157.4 rainfall days, and 23.9" (607mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 47min.
On the first day of August, 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.

Sunshine

August has the most sunshine of the year, with an average of 10.3h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

In August, the average high-temperature and low-temperature are 77.7°F (25.4°C) and 64.4°F (18°C) respectively.

What is the average humidity in August?

The average relative humidity in August is 80%.

How much does it rain in August?

In South Haven, during August, the rain falls for 16.2 days and regularly aggregates up to 2.64" (67mm) of precipitation.

When it does not snow?

May through October are months without snowfall in South Haven.

What is the average length of the day in August?

In South Haven, Indiana, the average day length in August is 13h and 47min.

When is the sunrise / 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?

With an average of 10.3h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August?

The average sunshine duration in August is 10.3h.

What is the month with the highest UV index?

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

What is the UV index reading in August?

In South Haven, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
South Haven, IN

Average temperature in August - South Haven, IN
  • Average high temperature in August: 77.7°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in August: 64.4°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in August
South Haven, IN

Average pressure in August - South Haven, 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
South Haven, IN

Average wind speed in August - South Haven, IN
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

Average humidity in August
South Haven, IN

Average humidity in August - South Haven, IN
  • Average humidity in August: 80%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).

Average rainfall in August
South Haven, IN

Average rainfall in August - South Haven, IN
  • Average rainfall in August: 2.64"

The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is February (1.18").

Average rainfall days in August
South Haven, IN

Average rainfall days in August - South Haven, IN
  • Average rainfall days in August: 16.2 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in August
South Haven, IN

Average snowfall in August - South Haven, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
South Haven, IN

Average snowfall days in August - South Haven, 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 May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
South Haven, IN

Average daylight in August / Average sunshine in August - South Haven, 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: 10h and 2min

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

Average sunshine days in August
South Haven, IN

Average sunshine days in August - South Haven, IN
  • Average sunshine days in August: 10.4 days

The month with the most sunshine days is November (15.7 days).
The months with the least sunshine days are June and August (10.4 days).

Average UV index in August
South Haven, IN

Average UV index in August - South Haven, IN
  • 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 and December (UV index 1).

Average cloud cover in August
South Haven, IN

Average cloud cover in August - South Haven, IN
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
South Haven, IN

Average visibility in August - South Haven, IN
  • Average visibility in August: 6mi

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

South Haven, Indiana, USA

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