August weather forecast
Thompson, IA

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Weather in August

The last month of the summer, August, is another warm month in Thompson, Iowa, with an average temperature fluctuating between 77.4°F (25.2°C) and 59.9°F (15.5°C).

Temperature

Thompson in August witnesses an average high-temperature of a still moderately hot 77.4°F (25.2°C), indicating a slight variation from July's 79.3°F (26.3°C). During August, the average low-temperature is recorded at a mild 59.9°F (15.5°C).

Humidity

In August, the average relative humidity is 82%.

Rainfall

In Thompson, during August, the rain falls for 14.6 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 136.2 rainfall days, and 25.39" (645mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Thompson.

Daylight

The average length of the day in August is 13h and 55min.
On the first day of August in Thompson, sunrise is at 6:05 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:51 pm CDT.

Sunshine

The average sunshine in August is 9.6h.

UV index

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 5 in August leads to these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in Thompson?

The high-temperature, in August, in Thompson, records 77.4°F (25.2°C), while the low-temperature is 59.9°F (15.5°C).

What is the average humidity in August in Thompson?

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

How much does it rain in Thompson in August?

In August, in Thompson, the rain falls for 14.6 days. Throughout August, 2.52" (64mm) of precipitation is accumulated.

When it does not snow in Thompson?

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

How many hours of daylight does Thompson have in August?

In August, the average day length is 13h and 55min.

What time are sunrise and sunset in August in Thompson?

In August, on the first day of the month, sunrise is at 6:05 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:51 pm CDT.

How many hours of sunshine does Thompson have in August?

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

How high is the UV index in August in Thompson?

In August, the average daily maximum UV index in Thompson, Iowa, is 5. A UV Index value of 3 to 5 symbolizes 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
Thompson, IA

Average temperature in August - Thompson, IA
  • Average high temperature in August: 77.4°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.1°F).

  • Average low temperature in August: 59.9°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in August
Thompson, IA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in August
Thompson, IA

Average wind speed in August - Thompson, IA
  • Average wind speed in August: 7.5mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

Average humidity in August
Thompson, IA

Average humidity in August - Thompson, IA
  • Average humidity in August: 82%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August
Thompson, IA

Average rainfall in August - Thompson, IA
  • Average rainfall in August: 2.52"

The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in August
Thompson, IA

Average rainfall days in August - Thompson, IA
  • Average rainfall days in August: 14.6 days

The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3 days).

Average snowfall in August
Thompson, IA

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

The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Thompson, IA

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

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Thompson, IA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in August
Thompson, IA

Average sunshine days in August - Thompson, IA
  • Average sunshine days in August: 13.8 days

The months with the most sunshine days are October and November (17.4 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in August
Thompson, IA

Average UV index in August - Thompson, IA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in August
Thompson, IA

Average cloud cover in August - Thompson, IA
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in August
Thompson, IA

Average visibility in August - Thompson, IA
  • Average visibility in August: 5mi

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

Thompson, Iowa, USA

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