July weather forecast
Casselton, ND

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Weather in July

Come July, Casselton basks in the apex of summer glory. Characterized by average temperatures peaking at 80.8°F (27.1°C), it is undeniably the warmest month of the year. The warm temperatures accompany the high UV index, necessitating the wear of appropriate sun protection for those spending time outside. Long summer evenings are perfect for outdoor activities, with the warmth providing perfect respite against North Dakota’s long, harsh winters. With August on the horizon, Casselton's citizens eagerly anticipate another month of celebrating the midsummer joys.

Temperature

July and August mark Casselton's peak of temperatures, averaging a high-temperature of 80.8°F (27.1°C).

Heat index

The heat index in July is estimated at 84.2°F (29°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In Casselton, the average relative humidity in July is 71%.

Rainfall

In Casselton, in July, it is raining for 12.8 days, with typically 1.97" (50mm) of accumulated precipitation. In Casselton, during the entire year, the rain falls for 102.6 days and collects up to 17.8" (452mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Casselton, the average length of the day in July is 15h and 26min.
On the first day of the month, sunrise is at 5:38 am and sunset at 9:27 pm. On the last day of July, in Casselton, sunrise is at 6:08 am and sunset at 9:02 pm CDT.

Sunshine

With an average of 10.9h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In July, an average UV index of 6 transforms into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

The warmest period is usually observed in July and August, with the average high-temperature peaking at 80.8°F (27.1°C).

What are July temperatures?

The high-temperature, in July, in Casselton, is 80.8°F (27.1°C), while the low-temperature averages to 61.3°F (16.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 84.2°F (29°C).

What is the average humidity in July?

In Casselton, the average relative humidity in July is 71%.

How much does it rain in July?

In Casselton, in July, during 12.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow?

In Casselton, snow does not fall in June through September.

What is the average length of the day in July?

In Casselton, the average day length in July is 15h and 26min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:38 am and sunset at 9:27 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 9:02 pm CDT.

What month has the most sunshine?

With an average of 10.9h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July?

In Casselton, the average sunshine duration in July is 10.9h.

What is the month with the highest UV index?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in July?

In Casselton, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
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 July
Casselton, ND

Average temperature in July - Casselton, ND
  • Average high temperature in July: 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 July: 61.3°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 (3.2°F).

Average pressure in July
Casselton, ND

Average pressure in July - Casselton, ND
  • Average pressure in July: 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 July
Casselton, ND

Average wind speed in July - Casselton, ND
  • Average wind speed in July: 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 July
Casselton, ND

Average humidity in July - Casselton, ND
  • Average humidity in July: 71%

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

Average rainfall in July
Casselton, ND

Average rainfall in July - Casselton, ND
  • Average rainfall in July: 1.97"

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 July
Casselton, ND

Average rainfall days in July - Casselton, ND
  • Average rainfall days in July: 12.8 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 July
Casselton, ND

Average snowfall in July - Casselton, ND
  • Average snowfall in July: 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 July
Casselton, ND

Average snowfall days in July - Casselton, ND
  • Average snowfall days in July: 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 July /
Average sunshine in July
Casselton, ND

Average daylight in July / Average sunshine in July - Casselton, ND
  • Average daylight in July: 15h and 2min

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 July: 10h and 5min

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 July
Casselton, ND

Average sunshine days in July - Casselton, ND
  • Average sunshine days in July: 15.7 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 July
Casselton, ND

Average UV index in July - Casselton, ND
  • Average UV index in July: 6

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 July
Casselton, ND

Average cloud cover in July - Casselton, ND
  • Average cloud cover in July: 25

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 July
Casselton, ND

Average visibility in July - Casselton, ND
  • Average visibility in July: 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).

Casselton, North Dakota, USA

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