August weather forecast
Montrose, IA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Montrose, Iowa, with an average temperature ranging between min 64°F (17.8°C) and max 82.8°F (28.2°C).

Temperature

August brings an average high-temperature of a still moderately hot 82.8°F (28.2°C), nearly identical to the preceding month. In August, the average low-temperature records at an enjoyable 64°F (17.8°C) during the nights.

Heat index

August's average heat index is evaluated at a hot 89.6°F (32°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
Consider that heat index readings are for situations in the shade and light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. 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

The average relative humidity in August in Montrose is 78%.

Rainfall

In Montrose, during August, the rain falls for 14.2 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Montrose, during the entire year, the rain falls for 147.8 days and collects up to 30.98" (787mm) of precipitation.

Snowfall

In Montrose, snow does not fall in May through September.

Daylight

In Montrose, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:38 pm CDT.

Sunshine

In August, the average sunshine is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Montrose, Iowa. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Feb 12, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot is it in Montrose in August?

The average high-temperature and low-temperature in Montrose, Iowa, during August are 82.8°F (28.2°C) and 64°F (17.8°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 89.6°F (32°C).

What is the average humidity in August in Montrose?

The average relative humidity in August in Montrose is 78%.

How much does it rain in Montrose in August?

In Montrose, during August, the rain falls for 14.2 days and regularly aggregates up to 2.52" (64mm) of precipitation.

When it does not snow in Montrose?

May through September are months without snowfall in Montrose.

What is the average length of the day in August in Montrose?

In Montrose, Iowa, the average day length in August is 13h and 44min.

When is the sunrise / sunset in August in Montrose?

On the first day of August in Montrose, Iowa, sunrise is at 6:03 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:38 pm CDT.

How long on average sun shines in August in Montrose?

In Montrose, Iowa, the average sunshine duration in August is 9.9h.

What are the months with the highest UV index in Montrose?

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 Montrose?

The average daily maximum UV index in August in Montrose, Iowa, is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Montrose, IA

Average temperature in August - Montrose, IA
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in August
Montrose, IA

Average pressure in August - Montrose, 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).

Average wind speed in August
Montrose, IA

Average wind speed in August - Montrose, IA
  • Average wind speed in August: 6.7mph

The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

Average humidity in August
Montrose, IA

Average humidity in August - Montrose, 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 (70%).

Average rainfall in August
Montrose, IA

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

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (1.38").

Average rainfall days in August
Montrose, IA

Average rainfall days in August - Montrose, IA
  • Average rainfall days in August: 14.2 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (5.5 days).

Average snowfall in August
Montrose, IA

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

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Montrose, IA

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

The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 9h and 5min

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

Average sunshine days in August
Montrose, IA

Average sunshine days in August - Montrose, IA
  • Average sunshine days in August: 14.1 days

The month with the most sunshine days is December (17.8 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in August
Montrose, IA

Average UV index in August - Montrose, 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).

Average cloud cover in August
Montrose, IA

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

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 30).

Average visibility in August
Montrose, IA

Average visibility in August - Montrose, 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).

Montrose, Iowa, USA

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