August weather forecast
Martensdale, IA

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Weather in August

The last month of the summer, August, is another warm month in Martensdale, Iowa, with an average temperature ranging between max 81.3°F (27.4°C) and min 62.6°F (17°C).

Temperature

The arrival of August is marked by an average high-temperature of a still warm 81.3°F (27.4°C), bearing a close resemblance to July. Martensdale records an average low of 62.6°F (17°C) throughout the nights in August.

Heat index

In August, the average heat index is computed to be a hot 87.8°F (31°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in August is 79%.

Rainfall

In Martensdale, in August, during 12.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Martensdale, Iowa, during the entire year, the rain falls for 118.9 days and collects up to 18.62" (473mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Martensdale, Iowa, the average length of the day in August is 13h and 47min.
On the first day of August, sunrise is at 6:10 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:49 pm CDT.

Sunshine

The average sunshine in August is 9.9h.

UV index

The months with the highest UV index in Martensdale, Iowa, 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 exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during August translates into the following guidance:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the usual temperature for Martensdale in August?

Martensdale in August has an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 62.6°F (17°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in August in Martensdale?

In August, the average relative humidity is 79%.

How much does it rain in Martensdale in August?

In Martensdale, Iowa, in August, it is raining for 12.8 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow in Martensdale?

June through September are months without snowfall in Martensdale, Iowa.

How many hours of daylight does Martensdale have in August?

The average day length in August is 13h and 47min.

What time are sunrise and sunset in August in Martensdale?

On the first day of August, sunrise is at 6:10 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:49 pm CDT.

How many hours of sunshine does Martensdale have in August?

The average sunshine duration in August in Martensdale, Iowa, is 9.9h.

When is the highest UV index in Martensdale?

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

How high is the UV index in August in Martensdale?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from 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
Martensdale, IA

Average temperature in August - Martensdale, IA
  • Average high temperature in August: 81.3°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in August
Martensdale, IA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in August
Martensdale, IA

Average wind speed in August - Martensdale, IA
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

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Average humidity in August
Martensdale, IA

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

The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Martensdale, IA

Average rainfall in August - Martensdale, IA
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (0.55").

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Average rainfall days in August
Martensdale, IA

Average rainfall days in August - Martensdale, IA
  • Average rainfall days in August: 12.8 days

The months with the highest number of rainy days are May and June (15.9 days).
The month with the least rainy days is January (3.4 days).

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Average snowfall in August
Martensdale, IA

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

The month with the highest snowfall is February (3.03").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Martensdale, IA

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

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Martensdale, 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 18min).

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Average sunshine days in August
Martensdale, IA

Average sunshine days in August - Martensdale, IA
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (11 days).

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Average UV index in August
Martensdale, IA

Average UV index in August - Martensdale, IA
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in August
Martensdale, IA

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

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in August
Martensdale, IA

Average visibility in August - Martensdale, 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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Martensdale, Iowa, USA

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