August weather forecast
Saint Paul, IA

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Weather in August

August, the last month of the summer in Saint Paul, is another warm month, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 63.7°F (17.6°C).

Temperature

The shift into August records an average high-temperature of a still moderately hot 82.6°F (28.1°C), subtly varied from July's 82.9°F (28.3°C). In August, the nighttime temperature lowers to an average of 63.7°F (17.6°C).

Heat index

The heat index for August is evaluated at a hot 89.6°F (32°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

In Saint Paul, the average relative humidity in August is 78%.

Rainfall

In Saint Paul, in August, it is raining for 13.5 days, with typically 2.17" (55mm) of accumulated precipitation. In Saint Paul, Iowa, during the entire year, the rain falls for 145.2 days and collects up to 28.98" (736mm) of precipitation.

Snowfall

In Saint Paul, snow does not fall in May through September.

Daylight

In August, the average length of the day in Saint Paul is 13h and 45min.
On the first day of August, sunrise is at 6:03 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:39 pm CDT.

Sunshine

The average sunshine in August is 10h.

UV index

The months with the highest UV index in Saint Paul are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

Is it hot in Saint Paul during August?

In August, in Saint Paul, the average high-temperature is 82.6°F (28.1°C), and the average low-temperature is 63.7°F (17.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 89.6°F (32°C).

What is the average humidity in August in Saint Paul?

The average relative humidity in August in Saint Paul, Iowa, is 78%.

How many days does it rain in August in Saint Paul?

In Saint Paul, in August, during 13.5 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When it does not snow in Saint Paul?

In Saint Paul, snow does not fall in May through September.

How many hours of daylight does Saint Paul have in August?

In August, the average day length in Saint Paul, Iowa, is 13h and 45min.

When are sunrise and sunset in August in Saint Paul?

On the first day of August in Saint Paul, sunrise is at 6:03 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:39 pm CDT.

How long on average sun shines in August in Saint Paul?

In August, the average sunshine duration in Saint Paul, Iowa, is 10h.

What is the month with the highest UV index in Saint Paul?

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

What is the UV index reading in August in Saint Paul?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Saint Paul, IA

Average temperature in August - Saint Paul, IA
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in August: 63.7°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in August
Saint Paul, IA

Average pressure in August - Saint Paul, IA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Saint Paul, IA

Average wind speed in August - Saint Paul, IA
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in August
Saint Paul, IA

Average humidity in August - Saint Paul, IA
  • Average humidity in August: 78%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Saint Paul, IA

Average rainfall in August - Saint Paul, IA
  • Average rainfall in August: 2.17"

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is December (1.38").

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Average rainfall days in August
Saint Paul, IA

Average rainfall days in August - Saint Paul, IA
  • Average rainfall days in August: 13.5 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in August
Saint Paul, IA

Average snowfall in August - Saint Paul, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Saint Paul, IA

Average snowfall days in August - Saint Paul, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Saint Paul, IA

Average daylight in August / Average sunshine in August - Saint Paul, IA
  • Average daylight in August: 13h and 4min

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 18min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in August
Saint Paul, IA

Average sunshine days in August - Saint Paul, IA
  • Average sunshine days in August: 14.6 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (9.2 days).

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Average UV index in August
Saint Paul, IA

Average UV index in August - Saint Paul, 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, November and December (UV index 2).

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Average cloud cover in August
Saint Paul, IA

Average cloud cover in August - Saint Paul, IA
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).

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Average visibility in August
Saint Paul, IA

Average visibility in August - Saint Paul, 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).

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Saint Paul, Iowa, USA

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