August weather forecast
Farmington, IA

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Weather in August

The last month of the summer, August, is another warm month in Farmington, Iowa, with an average temperature varying between 82.8°F (28.2°C) and 64°F (17.8°C).

Temperature

During August, Farmington observes a subtle ascent to a still warm 82.8°F (28.2°C) from July's 83.3°F (28.5°C) in the average high-temperature. The nights of August anticipate an average low-temperature of 64°F (17.8°C).

Heat index

The heat index in August is calculated to be a tropical 89.6°F (32°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

In August, the average relative humidity is 78%.

Rainfall

In August, in Farmington, the rain falls for 12.3 days. Throughout August, 2.4" (61mm) of precipitation is accumulated. In Farmington, during the entire year, the rain falls for 134.4 days and collects up to 27.44" (697mm) of precipitation.

Snowfall

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

Daylight

In Farmington, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:21 pm. On the last day of August, in Farmington, Iowa, sunrise is at 6:33 am and sunset at 7:40 pm CDT.

Sunshine

The average sunshine in August is 10h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in August interprets into the following advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

How hot is August in Farmington?

The average high-temperature, in August, in Farmington, is 82.8°F (28.2°C), while the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 89.6°F (32°C).

What is the average humidity in August in Farmington?

The average relative humidity in August is 78%.

How many days does it rain in August in Farmington?

In August, in Farmington, the rain falls for 12.3 days. Throughout August, 2.4" (61mm) of precipitation is accumulated.

When it does not snow in Farmington?

May through September are months without snowfall in Farmington, Iowa.

How many hours of daylight does Farmington have in August?

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

When is the sunrise / sunset in August in Farmington?

In August, on the first day of the month, sunrise is at 6:04 am and sunset at 8:21 pm. On the last day of the month, in Farmington, Iowa, sunrise is at 6:33 am and sunset at 7:40 pm CDT.

How long on average sun shines in August in Farmington?

In Farmington, the average sunshine duration in August is 10h.

What is the month with the highest UV index in Farmington?

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

How high is the UV index in August in Farmington?

In August, the average daily maximum UV index in Farmington, Iowa, is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Farmington, IA

Average temperature in August - Farmington, 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 (31.6°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in August
Farmington, IA

Average pressure in August - Farmington, 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
Farmington, IA

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

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity in August
Farmington, IA

Average humidity in August - Farmington, IA
  • Average humidity in August: 78%

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Farmington, IA

Average rainfall in August - Farmington, IA
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is January (1.22").

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Average rainfall days in August
Farmington, IA

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

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (4.7 days).

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Average snowfall in August
Farmington, IA

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

The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Farmington, IA

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

The month with the highest number of snowfall days is January (7.4 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
Farmington, IA

Average daylight in August / Average sunshine in August - Farmington, 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: 10h and 0min

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
Farmington, IA

Average sunshine days in August - Farmington, IA
  • Average sunshine days in August: 16.4 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in August
Farmington, IA

Average UV index in August - Farmington, 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
Farmington, IA

Average cloud cover in August - Farmington, IA
  • Average cloud cover in August: 29

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
Farmington, IA

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

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