August weather forecast and climate
Arena, ND

The last month of the summer, August, is also a moderately hot month in Arena, North Dakota, with average temperature varying between 82.2°F (27.9°C) and 60.3°F (15.7°C).

Temperature

In Arena, the average high-temperature is almost the same as in July - a still warm 82.2°F (27.9°C). In Arena, in August, the average low-temperature is 60.3°F (15.7°C).

Heat index

The average heat index is appraised at 83.8°F (28.8°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, clothing, differences in body mass, height, and shape). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Arena, it is raining for 9.7 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 105.9 rainfall days, and 15" (381mm) of precipitation is accumulated.

Snowfall

In Arena snow does not fall in June through September.

Daylight

In August, the average length of the day is 14.2h.

Sunshine

The average sunshine in August is 11h.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in August in Arena?

In Arena, North Dakota, in August, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 60.3°F (15.7°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines air temperature and relative humidity, is estimated at 83.8°F (28.8°C).

What is the least humid month in Arena?

The least humid month in Arena is August, with an average relative humidity of 55%.

What is the average humidity in August in Arena?

In August, the average relative humidity is 55%.

How many days does it rain in August in Arena?

In Arena, North Dakota, during August, the rain falls for 9.7 days and regularly aggregates up to 1.38" (35mm) of precipitation.

When it does not snow in Arena?

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

How many hours of daylight does Arena have in August?

In Arena, the average length of the day in August is 14.2h.

How many hours of sunshine does Arena have in August?

The average sunshine in August is 11h.

How high is the UV index in August in Arena?

In Arena, North Dakota, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in August - Arena, ND
  • Average high temperature in August: 27.9°C

The warmest month (with the highest average high temperature) is July (28.7°C).
The month with the lowest average high temperature is January (-6.2°C).

  • Average low temperature in August: 15.7°C

The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-14.4°C).

Average pressure in August - Arena, ND
  • Average pressure in August: 1012.7mbar

The month with the highest atmospheric pressure is February (1021.7mbar).
The month with the lowest atmospheric pressure is June (1010.7mbar).

Average wind speed in August - Arena, ND
  • Average wind speed in August: 13.4km/h

The windiest month (with the highest average wind speed) is April (17.2km/h).
The calmest month (with the lowest average wind speed) is August (13.4km/h).

Average humidity in August - Arena, 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 - Arena, ND
  • Average rainfall in August: 35mm

The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is January (15mm).

Average rainfall days in August - Arena, ND
  • Average rainfall days in August: 9.7 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in August - Arena, ND
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (110mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is December (15.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Arena, ND
  • Average daylight in August: 14.2h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in August: 11h

The month with the most sunshine is July (Average sunshine: 11.4h).
The month with the least sunshine is January (Average sunshine: 3.8h).

Average sunshine days in August - Arena, ND
  • Average sunshine days in August: 18.8 days

The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is March (12.3 days).

Average UV index in August - Arena, ND
  • Average UV index in August: 5

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

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

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

Average visibility in August - Arena, ND
  • Average visibility in August: 10km

Months with the highest visibility are May, June, July, August, September and October (10km).
Months with the lowest visibility are January, February, March and December (8km).