August weather forecast
Rock Haven, ND

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Weather in August

The last month of the summer, August, is also a moderately hot month in Rock Haven, North Dakota, with an average temperature varying between 60.3°F (15.7°C) and 82°F (27.8°C).

Temperature

Rock Haven's entry into August measures an average high-temperature of a still moderately hot 82°F (27.8°C), closely parallel to the preceding month. Rock Haven, amidst the high August temperatures, experiences a substantial shift to an average nighttime low of 60.3°F (15.7°C).

Heat index

August's average heat index is computed to be 84.2°F (29°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

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

Rainfall

In August, the rain falls for 11.1 days. Throughout August, 1.5" (38mm) of precipitation is accumulated. In Rock Haven, during the entire year, the rain falls for 94.3 days and collects up to 14.29" (363mm) of precipitation.

Snowfall

In Rock Haven, snow does not fall in June through September.

Daylight

In Rock Haven, North Dakota, the average length of the day in August is 14h and 9min.
On the first day of August in Rock Haven, sunrise is at 6:24 am and sunset at 9:15 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:24 pm CDT.

Sunshine

The average sunshine in August in Rock Haven is 10.9h.

UV index

In Rock Haven, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What is the usual temperature for Rock Haven in August?

During August, Rock Haven experiences an average high-temperature of 82°F (27.8°C) and a low-temperature of 60.3°F (15.7°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 84.2°F (29°C).

What is the least humid month in Rock Haven?

The least humid month in Rock Haven, North Dakota, is August, with an average relative humidity of 55%.

What is the average humidity in August in Rock Haven?

In Rock Haven, the average relative humidity in August is 55%.

How many days does it rain in August in Rock Haven?

In Rock Haven, in August, it is raining for 11.1 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow in Rock Haven?

June through September are months without snowfall in Rock Haven.

How many hours of daylight does Rock Haven have in August?

In Rock Haven, the average day length in August is 14h and 9min.

When is the sunrise / sunset in August in Rock Haven?

In August, on the first day of the month, sunrise is at 6:24 am and sunset at 9:15 pm. On the last day of the month, in Rock Haven, sunrise is at 7:02 am and sunset at 8:24 pm CDT.

How many hours of sunshine does Rock Haven have in August?

In Rock Haven, the average sunshine duration in August is 10.9h.

What is the UV index reading in August in Rock Haven?

In Rock Haven, North Dakota, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Rock Haven, ND

Average temperature in August - Rock Haven, 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).

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Average pressure in August
Rock Haven, ND

Average pressure in August - Rock Haven, 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).

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Average wind speed in August
Rock Haven, ND

Average wind speed in August - Rock Haven, 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).

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Average humidity in August
Rock Haven, ND

Average humidity in August - Rock Haven, 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%).

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Average rainfall in August
Rock Haven, ND

Average rainfall in August - Rock Haven, 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").

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Average rainfall days in August
Rock Haven, ND

Average rainfall days in August - Rock Haven, 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).

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Average snowfall in August
Rock Haven, ND

Average snowfall in August - Rock Haven, 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").

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Average snowfall days in August
Rock Haven, ND

Average snowfall days in August - Rock Haven, 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).

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Average daylight in August /
Average sunshine in August
Rock Haven, ND

Average daylight in August / Average sunshine in August - Rock Haven, 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).

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Average sunshine days in August
Rock Haven, ND

Average sunshine days in August - Rock Haven, 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).

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Average UV index in August
Rock Haven, ND

Average UV index in August - Rock Haven, 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).

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Average cloud cover in August
Rock Haven, ND

Average cloud cover in August - Rock Haven, 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).

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Average visibility in August
Rock Haven, ND

Average visibility in August - Rock Haven, 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).

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Rock Haven, North Dakota, USA

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