August weather forecast
Tennant, IA

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Weather in August

August, the last month of the summer in Tennant, is also a moderately hot month, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 80.2°F (26.8°C).

Temperature

Tennant's entry into August measures an average high-temperature of a still warm 80.2°F (26.8°C), closely parallel to the preceding month. Tennant registers a consistent average low-temperature of 62.1°F (16.7°C) during August.

Humidity

In Tennant, the average relative humidity in August is 79%.

Rainfall

In Tennant, during August, the rain falls for 12.3 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 113.5 rainfall days, and 15.71" (399mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 48min.
On the first day of August, sunrise is at 6:17 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:56 pm CDT.

Sunshine

The average sunshine in August is 9.8h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Tennant in August?

The high-temperature, in August, in Tennant, records 80.2°F (26.8°C), while the low-temperature is 62.1°F (16.7°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 89.6°F (32°C).

What is the average humidity in August?

In Tennant, Iowa, the average relative humidity in August is 79%.

How much does it rain in August?

In August, in Tennant, the rain falls for 12.3 days. Throughout August, 1.93" (49mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 48min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:17 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:56 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 9.8h.

What is the month with the highest UV index?

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

What is the UV index intensity in August in Tennant?

In Tennant, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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
Tennant, IA

Average temperature in August - Tennant, IA
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average pressure in August
Tennant, IA

Average pressure in August - Tennant, IA
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in August
Tennant, IA

Average wind speed in August - Tennant, IA
  • Average wind speed in August: 7.4mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in August
Tennant, IA

Average humidity in August - Tennant, IA
  • Average humidity in August: 79%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (68%).

Average rainfall in August
Tennant, IA

Average rainfall in August - Tennant, IA
  • Average rainfall in August: 1.93"

The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in August
Tennant, IA

Average rainfall days in August - Tennant, IA
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in August
Tennant, IA

Average snowfall in August - Tennant, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Tennant, IA

Average snowfall days in August - Tennant, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Tennant, IA

Average daylight in August / Average sunshine in August - Tennant, IA
  • 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 July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in August
Tennant, IA

Average sunshine days in August - Tennant, IA
  • Average sunshine days in August: 15.5 days

The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in August
Tennant, IA

Average UV index in August - Tennant, IA
  • 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, October, November and December (UV index 2).

Average cloud cover in August
Tennant, IA

Average cloud cover in August - Tennant, IA
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in August
Tennant, IA

Average visibility in August - Tennant, IA
  • Average visibility in August: 6mi

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

Tennant, Iowa, USA

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