August weather forecast
Arnold, MN

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Weather in August

August, the last month of the summer in Arnold, is another warm month, with an average temperature fluctuating between 75.7°F (24.3°C) and 55.8°F (13.2°C).

Temperature

The onset of August brings an average high-temperature of a still warm 75.7°F (24.3°C), nearly matching the July temperature. Arnold observes an average nighttime temperature of 55.8°F (13.2°C) during August.

Humidity

In August, the average relative humidity is 76%.

Rainfall

In Arnold, in August, it is raining for 13 days, with typically 2.24" (57mm) of accumulated precipitation. In Arnold, during the entire year, the rain falls for 116.4 days and collects up to 22.36" (568mm) of precipitation.

Snowfall

In Arnold, snow does not fall in June through September.

Daylight

The average length of the day in August in Arnold is 14h and 9min.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:40 pm. On the last day of August, in Arnold, Minnesota, sunrise is at 6:27 am and sunset at 7:49 pm CDT.

Sunshine

The average sunshine in August is 9.6h.

UV index

The average daily maximum UV index in August 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 average person.
Note: The daily high UV index of 5 in August translates into this advice:
Undertake precautions - Guarding against sun damage is counselled. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the usual temperature for Arnold in August?

The high-temperature, in August, in Arnold, is 75.7°F (24.3°C), while the low-temperature averages to 55.8°F (13.2°C).

What is the average humidity in August in Arnold?

In August, the average relative humidity is 76%.

How much does it rain in Arnold in August?

In August, the rain falls for 13 days. Throughout August, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Arnold?

June through September are months without snowfall in Arnold.

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

In Arnold, Minnesota, the average day length in August is 14h and 9min.

What time are sunrise and sunset in August in Arnold?

In August, on the first day of the month, sunrise is at 5:49 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:49 pm CDT.

How long on average sun shines in August in Arnold?

In Arnold, the average sunshine duration in August is 9.6h.

What is the UV index reading in August in Arnold?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Arnold, MN

Average temperature in August - Arnold, MN
  • Average high temperature in August: 75.7°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (16.2°F).

  • Average low temperature in August: 55.8°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (3.4°F).

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Average pressure in August
Arnold, MN

Average pressure in August - Arnold, MN
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in August
Arnold, MN

Average wind speed in August - Arnold, MN
  • Average wind speed in August: 6.6mph

The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in August
Arnold, MN

Average humidity in August - Arnold, MN
  • Average humidity in August: 76%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).

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Average rainfall in August
Arnold, MN

Average rainfall in August - Arnold, MN
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is July (2.95").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in August
Arnold, MN

Average rainfall days in August - Arnold, MN
  • Average rainfall days in August: 13 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (2 days).

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Average snowfall in August
Arnold, MN

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

The month with the highest snowfall is December (8.19").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Arnold, MN

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

The month with the highest number of snowfall days is December (17.9 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
Arnold, MN

Average daylight in August / Average sunshine in August - Arnold, MN
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

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Average sunshine days in August
Arnold, MN

Average sunshine days in August - Arnold, MN
  • Average sunshine days in August: 14.9 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in August
Arnold, MN

Average UV index in August - Arnold, MN
  • Average UV index in August: 5

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

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Average cloud cover in August
Arnold, MN

Average cloud cover in August - Arnold, MN
  • Average cloud cover in August: 36

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in August
Arnold, MN

Average visibility in August - Arnold, MN
  • Average visibility in August: 5mi

The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Arnold, Minnesota, USA

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