July weather forecast
Morristown, SD

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Weather in July

July, the same as June, is another warm summer month in Morristown, South Dakota, with an average temperature varying between 63.1°F (17.3°C) and 84.7°F (29.3°C).

Temperature

July, known for its average high temperature of 84.7°F (29.3°C) and an average low temperature of 63.1°F (17.3°C), is the warmest month.

Heat index

July's mean heat index is estimated at a hot 86°F (30°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. With 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 'felt air temperature' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. 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. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

The average relative humidity in July in Morristown is 53%.

Rainfall

In Morristown, in July, during 13.8 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 101.3 rainfall days, and 14.25" (362mm) of precipitation is accumulated.

Snowfall

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

Daylight

In July, the average length of the day in Morristown is 15h and 19min.
On the first day of July, sunrise is at 5:00 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:17 pm MDT.

Sunshine

The average sunshine in July is 11.4h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Morristown. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A typical high UV index of 6 in July suggests the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest in Morristown?

July stands out as Morristown's warmest month, with temperatures ranging between an average high of 84.7°F (29.3°C) and a low of 63.1°F (17.3°C).

Is it hot in Morristown during July?

In Morristown, 84.7°F (29.3°C) is the average high-temperature and 63.1°F (17.3°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the average humidity in July in Morristown?

In Morristown, the average relative humidity in July is 53%.

How much does it rain in Morristown in July?

In Morristown, South Dakota, in July, during 13.8 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow in Morristown?

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

How many hours of daylight does Morristown have in July?

In July, the average day length in Morristown, South Dakota, is 15h and 19min.

When is the sunrise / sunset in July in Morristown?

In July, on the first day of the month, sunrise is at 5:00 am and sunset at 8:41 pm. On the last day of the month, in Morristown, South Dakota, sunrise is at 5:29 am and sunset at 8:17 pm MDT.

How long on average sun shines in July in Morristown?

The average sunshine duration in July is 11.4h.

When is the highest UV index in Morristown?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in July in Morristown?

In Morristown, South Dakota, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health threat from 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
Morristown, SD

Average temperature in July - Morristown, SD
  • Average high temperature in July: 84.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in July: 63.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure in July
Morristown, SD

Average pressure in July - Morristown, SD
  • Average pressure in July: 29.9"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in July
Morristown, SD

Average wind speed in July - Morristown, SD
  • Average wind speed in July: 9.7mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

Average humidity in July
Morristown, SD

Average humidity in July - Morristown, SD
  • Average humidity in July: 53%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (51%).

Average rainfall in July
Morristown, SD

Average rainfall in July - Morristown, SD
  • Average rainfall in July: 1.65"

The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in July
Morristown, SD

Average rainfall days in July - Morristown, SD
  • Average rainfall days in July: 13.8 days

The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).

Average snowfall in July
Morristown, SD

Average snowfall in July - Morristown, SD
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Morristown, SD

Average snowfall days in July - Morristown, SD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Morristown, SD

Average daylight in July / Average sunshine in July - Morristown, SD
  • Average daylight in July: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in July: 11h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in July
Morristown, SD

Average sunshine days in July - Morristown, SD
  • Average sunshine days in July: 13.6 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).

Average UV index in July
Morristown, SD

Average UV index in July - Morristown, SD
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in July
Morristown, SD

Average cloud cover in July - Morristown, SD
  • Average cloud cover in July: 20

The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).

Average visibility in July
Morristown, SD

Average visibility in July - Morristown, SD
  • Average visibility in July: 6mi

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

Morristown, South Dakota, USA

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