August weather forecast
Fairfax, IA

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Weather in August

The last month of the summer, August, is another warm month in Fairfax, Iowa, with an average temperature varying between 62.1°F (16.7°C) and 79.5°F (26.4°C).

Temperature

Fairfax signifies an average high-temperature of a still warm 79.5°F (26.4°C) in August, closely mirroring the 80.8°F (27.1°C) of July. Throughout the month of August, the average temperature in Fairfax dips to an enjoyable 62.1°F (16.7°C) at night.

Humidity

The average relative humidity in August in Fairfax, Iowa, is 80%.

Rainfall

In August, the rain falls for 11.9 days. Throughout August, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 120.7 rainfall days, and 18.31" (465mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August is 13h and 49min.
On the first day of August, sunrise is at 6:01 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:41 pm CDT.

Sunshine

In August, the average sunshine in Fairfax is 9.9h.

UV index

In Fairfax, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in August transforms into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

What is the temperature in August in Fairfax?

An average high-temperature, in August, in Fairfax, is 79.5°F (26.4°C) and the average low-temperature is 62.1°F (16.7°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is appraised at 86°F (30°C).

What is the average humidity in August in Fairfax?

The average relative humidity in August in Fairfax is 80%.

How much does it rain in Fairfax in August?

In August, the rain falls for 11.9 days. Throughout August, 1.22" (31mm) of precipitation is accumulated.

When it does not snow in Fairfax?

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

How many hours of daylight does Fairfax have in August?

The average day length in August in Fairfax, Iowa, is 13h and 49min.

What time are sunrise and sunset in August in Fairfax?

In August, on the first day of the month, sunrise is at 6:01 am and sunset at 8:25 pm. On the last day of the month, in Fairfax, sunrise is at 6:32 am and sunset at 7:41 pm CDT.

How many hours of sunshine does Fairfax have in August?

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

How high is the UV index in August in Fairfax?

In Fairfax, Iowa, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents 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
Fairfax, IA

Average temperature in August - Fairfax, IA
  • Average high temperature in August: 79.5°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

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Average pressure in August
Fairfax, IA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Fairfax, IA

Average wind speed in August - Fairfax, IA
  • Average wind speed in August: 7mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in August
Fairfax, IA

Average humidity in August - Fairfax, IA
  • Average humidity in August: 80%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in August
Fairfax, IA

Average rainfall in August - Fairfax, IA
  • Average rainfall in August: 1.22"

The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").

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Average rainfall days in August
Fairfax, IA

Average rainfall days in August - Fairfax, IA
  • Average rainfall days in August: 11.9 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).

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Average snowfall in August
Fairfax, IA

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

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Fairfax, IA

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

The month with the highest number of snowfall days is January (10.3 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
Fairfax, IA

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

The month with the longest days is June (Average daylight: 15h and 12min).
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 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in August
Fairfax, IA

Average sunshine days in August - Fairfax, IA
  • Average sunshine days in August: 17 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in August
Fairfax, IA

Average UV index in August - Fairfax, 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).

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Average cloud cover in August
Fairfax, IA

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

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in August
Fairfax, IA

Average visibility in August - Fairfax, IA
  • Average visibility in August: 6mi

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

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Fairfax, Iowa, USA

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