August weather forecast
Arnold, ND

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Weather in August

The last month of the summer, August, is also a moderately hot month in Arnold, North Dakota, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 60.3°F (15.7°C).

Temperature

During August, the average high-temperature is a still moderately hot 82°F (27.8°C), maintaining a close resemblance to that of the preceding month. In Arnold, the nighttime chill during August is a clear shift from the day's highs, with an average of 60.3°F (15.7°C).

Heat index

August's average heat index is estimated at 84.2°F (29°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

August is the least humid month, with an average relative humidity of 55%.

Rainfall

In Arnold, in August, it is raining for 11.1 days, with typically 1.5" (38mm) of accumulated precipitation. In Arnold, during the entire year, the rain falls for 94.3 days and collects up to 14.29" (363mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Arnold, North Dakota, the average length of the day in August is 14h and 10min.
On the first day of the month, sunrise is at 6:23 am and sunset at 9:14 pm. On the last day of August, sunrise is at 7:02 am and sunset at 8:23 pm CDT.

Sunshine

In August, the average sunshine is 10.9h.

UV index

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 5 during August leads to these advisories:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

What is the usual temperature for Arnold in August?

The average high-temperature, in August, in Arnold, is 82°F (27.8°C), while the average low-temperature is 60.3°F (15.7°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is estimated at 84.2°F (29°C).

What is the least humid month?

August is the least humid month, with an average relative humidity of 55%.

What is the average humidity in August?

In August, the average relative humidity is 55%.

How much does it rain in August?

In Arnold, in August, during 11.1 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When it does not snow in Arnold?

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

What is the average length of the day in August?

In August, the average day length is 14h and 10min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:23 am and sunset at 9:14 pm. On the last day of the month, in Arnold, sunrise is at 7:02 am and sunset at 8:23 pm CDT.

How many hours of sunshine does Arnold have in August?

The average sunshine duration in August is 10.9h.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Arnold, ND

Average temperature in August - Arnold, ND
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in August: 60.3°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

Average pressure in August
Arnold, ND

Average pressure in August - Arnold, ND
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Arnold, ND

Average wind speed in August - Arnold, ND
  • Average wind speed in August: 8.5mph

The windiest months (with the highest average wind speed) are April and October (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in August
Arnold, ND

Average humidity in August - Arnold, ND
  • Average humidity in August: 55%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).

Average rainfall in August
Arnold, ND

Average rainfall in August - Arnold, ND
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in August
Arnold, ND

Average rainfall days in August - Arnold, ND
  • Average rainfall days in August: 11.1 days

The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in August
Arnold, ND

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

The month with the highest snowfall is December (3.31").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Arnold, ND

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

The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Arnold, ND

Average daylight in August / Average sunshine in August - Arnold, ND
  • 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: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
Arnold, ND

Average sunshine days in August - Arnold, ND
  • Average sunshine days in August: 17.3 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (14.6 days).

Average UV index in August
Arnold, ND

Average UV index in August - Arnold, ND
  • 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 November and December (UV index 1).

Average cloud cover in August
Arnold, ND

Average cloud cover in August - Arnold, ND
  • Average cloud cover in August: 21

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in August
Arnold, ND

Average visibility in August - Arnold, ND
  • Average visibility in August: 6mi

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

Arnold, North Dakota, USA

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