August weather forecast
Fairfax, MN

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Weather in August

The last month of the summer, August, is also a moderately hot month in Fairfax, Minnesota, with an average temperature fluctuating between 59.5°F (15.3°C) and 78.8°F (26°C).

Temperature

The introduction of August notes a subtle temperature variation to a still warm 78.8°F (26°C) from July's 80.4°F (26.9°C). August's nights in Fairfax, Minnesota, observe an average temperature of 59.5°F (15.3°C).

Humidity

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

Rainfall

In Fairfax, during August, the rain falls for 11.4 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, in Fairfax, there are 99.2 rainfall days, and 12.13" (308mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August in Fairfax, Minnesota, is 13h and 59min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:43 pm. On the last day of August, sunrise is at 6:41 am and sunset at 7:56 pm CDT.

Sunshine

The average sunshine in August is 9.7h.

UV index

The average daily maximum UV index in August in Fairfax is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 5 in August translates into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature in Fairfax?

The average high-temperature and low-temperature in Fairfax during August are 78.8°F (26°C) and 59.5°F (15.3°C) respectively.

What is the average humidity in August in Fairfax?

In August, the average relative humidity is 78%.

How many days does it rain in August in Fairfax?

In Fairfax, during August, the rain falls for 11.4 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When it does not snow in Fairfax?

May through September are months without snowfall in Fairfax, Minnesota.

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

In Fairfax, the average day length in August is 13h and 59min.

When is the sunrise / sunset in August in Fairfax?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 8:43 pm. On the last day of the month, in Fairfax, sunrise is at 6:41 am and sunset at 7:56 pm CDT.

How long on average sun shines in August in Fairfax?

In Fairfax, Minnesota, the average sunshine duration in August is 9.7h.

What is the UV index intensity in August in Fairfax?

In Fairfax, Minnesota, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Fairfax, MN

Average temperature in August - Fairfax, MN
  • Average high temperature in August: 78.8°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7°F).

Average pressure in August
Fairfax, MN

Average pressure in August - Fairfax, MN
  • Average pressure in August: 29.95"Hg

The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in August
Fairfax, MN

Average wind speed in August - Fairfax, MN
  • Average wind speed in August: 7.2mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

Average humidity in August
Fairfax, MN

Average humidity in August - Fairfax, MN
  • Average humidity in August: 78%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are May and October (68%).

Average rainfall in August
Fairfax, MN

Average rainfall in August - Fairfax, MN
  • Average rainfall in August: 1.06"

The wettest month (with the highest rainfall) is June (2.01").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in August
Fairfax, MN

Average rainfall days in August - Fairfax, MN
  • Average rainfall days in August: 11.4 days

The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (1.5 days).

Average snowfall in August
Fairfax, MN

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

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

Average snowfall days in August
Fairfax, MN

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

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Fairfax, MN

Average daylight in August / Average sunshine in August - Fairfax, MN
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Fairfax, MN

Average sunshine days in August - Fairfax, MN
  • Average sunshine days in August: 17.3 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in August
Fairfax, MN

Average UV index in August - Fairfax, MN
  • 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, February and November (UV index 1).

Average cloud cover in August
Fairfax, MN

Average cloud cover in August - Fairfax, MN
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).

Average visibility in August
Fairfax, MN

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

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

Fairfax, Minnesota, USA

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