July weather forecast and climate
Rolla, ND

Weather in July

July is a warm summer month in Rolla, North Dakota, with average temperature varying between 77.4°F (25.2°C) and 57.2°F (14°C).

Temperature

In Rolla, the average high-temperature slightly increases, from a pleasant 70.7°F (21.5°C) in June, to a warm 77.4°F (25.2°C). In July, the average low-temperature is 57.2°F (14°C).

Humidity

In Rolla, North Dakota, the average relative humidity is 69%.

Rainfall

In Rolla, during July, the rain falls for 15.3 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Rolla, there are 110.9 rainfall days, and 17.95" (456mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in Rolla is 15.7h.

Sunshine

The month with the most sunshine is July, with an average of 11h of sunshine.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in July in Rolla?

In July, in Rolla, North Dakota, the average high-temperature is 77.4°F (25.2°C), and the average low-temperature is 57.2°F (14°C).

What is the average humidity in July in Rolla?

The average relative humidity in July in Rolla, North Dakota, is 69%.

How many days does it rain in July in Rolla?

In July, the rain falls for 15.3 days. Throughout July, 2.52" (64mm) of precipitation is accumulated.

When it does not snow in Rolla?

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

How many hours of daylight does Rolla have in July?

In Rolla, North Dakota, the average length of the day in July is 15.7h.

What month has the most sunshine in Rolla?

The month with the most sunshine in Rolla is July, with an average of 11h of sunshine.

How long on average sun shines in July in Rolla?

The average sunshine in July in Rolla, North Dakota, is 11h.

What is the month with the highest UV index in Rolla?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Rolla.

What is the UV index reading in July in Rolla?

In Rolla, the average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in July
Rolla, ND

Average temperature in July - Rolla, ND
  • Average high temperature in July: 77.4°F

The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is January (14.2°F).

  • Average low temperature in July: 57.2°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 (0.5°F).

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Average pressure in July
Rolla, ND

Average pressure in July - Rolla, ND
  • Average pressure in July: 29.9"

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

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Average wind speed in July
Rolla, ND

Average wind speed in July - Rolla, ND
  • Average wind speed in July: 8.6mph

The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in July
Rolla, ND

Average humidity in July - Rolla, ND
  • Average humidity in July: 69%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in July
Rolla, ND

Average rainfall in July - Rolla, ND
  • Average rainfall in July: 2.52"

The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.43").

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Average rainfall days in July
Rolla, ND

Average rainfall days in July - Rolla, ND
  • Average rainfall days in July: 15.3 days

The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2 days).

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Average snowfall in July
Rolla, ND

Average snowfall in July - Rolla, ND
  • Average snowfall in July: 0"

The month with the highest snowfall is November (4.29").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Rolla, ND

Average snowfall days in July - Rolla, ND
  • Average snowfall days in July: 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).

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Average daylight in July /
Average sunshine in July
Rolla, ND

Average daylight in July / Average sunshine in July - Rolla, ND
  • Average daylight in July: 15.7h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.3h).

  • Average sunshine in July: 11h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 3.1h).

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Average sunshine days in July
Rolla, ND

Average sunshine days in July - Rolla, ND
  • Average sunshine days in July: 12.3 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is June (8.1 days).

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Average UV index in July
Rolla, ND

Average UV index in July - Rolla, ND
  • Average UV index in July: 5

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in July
Rolla, ND

Average cloud cover in July - Rolla, ND
  • Average cloud cover in July: 27

The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in July
Rolla, ND

Average visibility in July - Rolla, ND
  • Average visibility in July: 6mi

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

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