August weather forecast
Arthur, ND

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Weather in August

August, the last month of the summer in Arthur, is another warm month, with an average temperature varying between 59.5°F (15.3°C) and 80.8°F (27.1°C).

Temperature

Arthur's temperatures tend to hit their maximum during July and August, with an average high-temperature of 80.8°F (27.1°C).

Heat index

During August, the heat index is computed to be 82.4°F (28°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In August, the average relative humidity is 63%.

Rainfall

In August, the rain falls for 10.8 days. Throughout August, 1.69" (43mm) of precipitation is accumulated. Throughout the year, in Arthur, North Dakota, there are 102.6 rainfall days, and 17.8" (452mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 14h and 10min.
On the first day of the month, sunrise is at 6:09 am and sunset at 9:01 pm. On the last day of August, in Arthur, sunrise is at 6:47 am and sunset at 8:09 pm CDT.

Sunshine

In August, the average sunshine is 10.7h.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months in Arthur?

The highest point of temperatures in Arthur falls in July and August, when the average high-temperature ascends to 80.8°F (27.1°C).

What are the temperatures in Arthur in August?

In Arthur, in August, the average high-temperature is 80.8°F (27.1°C), and the average low-temperature is 59.5°F (15.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is computed to be 82.4°F (28°C).

What is the average humidity in August in Arthur?

In Arthur, the average relative humidity in August is 63%.

How much does it rain in Arthur in August?

In Arthur, North Dakota, in August, during 10.8 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow in Arthur?

June through September are months without snowfall in Arthur, North Dakota.

How many hours of daylight does Arthur have in August?

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

What time are sunrise and sunset in August in Arthur?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 8:09 pm CDT.

How long on average sun shines in August in Arthur?

In August, the average sunshine duration in Arthur, North Dakota, is 10.7h.

What is the UV index reading in August in Arthur?

The average daily maximum UV index in August in Arthur, North Dakota, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Arthur, ND

Average temperature in August - Arthur, ND
  • Average high temperature in August: 80.8°F

The warmest months (with the highest average high temperature) are July and August (80.8°F).
The month with the lowest average high temperature is January (16.7°F).

  • Average low temperature in August: 59.5°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 (3.2°F).

Average pressure in August
Arthur, ND

Average pressure in August - Arthur, ND
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in August
Arthur, ND

Average wind speed in August - Arthur, ND
  • Average wind speed in August: 8.1mph

The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).

Average humidity in August
Arthur, ND

Average humidity in August - Arthur, ND
  • Average humidity in August: 63%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (62%).

Average rainfall in August
Arthur, ND

Average rainfall in August - Arthur, ND
  • Average rainfall in August: 1.69"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in August
Arthur, ND

Average rainfall days in August - Arthur, ND
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in August
Arthur, ND

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

The month with the highest snowfall is December (3.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Arthur, ND

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

The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Arthur, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).

Average sunshine days in August
Arthur, ND

Average sunshine days in August - Arthur, ND
  • Average sunshine days in August: 18.1 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (11 days).

Average UV index in August
Arthur, ND

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

Average cloud cover in August
Arthur, ND

Average cloud cover in August - Arthur, ND
  • Average cloud cover in August: 24

The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in August
Arthur, ND

Average visibility in August - Arthur, 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).

Arthur, North Dakota, USA

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