July weather forecast
Frederick, SD

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Weather in July

July, the same as June, is another warm summer month in Frederick, South Dakota, with an average temperature varying between 61.7°F (16.5°C) and 82.9°F (28.3°C).

Temperature

The month of July, characterized by an average high of 82.9°F (28.3°C) and a low of 61.7°F (16.5°C), is recognized as the warmest.

Heat index

July's mean heat index is evaluated at a hot 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In Frederick, South Dakota, the average relative humidity in July is 66%.

Rainfall

In Frederick, in July, during 11.7 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Frederick, during the entire year, the rain falls for 92.3 days and collects up to 15.28" (388mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day is 15h and 18min.
On the first day of the month, sunrise is at 5:48 am and sunset at 9:27 pm. On the last day of July, sunrise is at 6:16 am and sunset at 9:03 pm CDT.

Sunshine

July has the most sunshine of the year in Frederick, with an average of 11h of sunshine.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

July, noted for its average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 61.7°F (16.5°C), is considered the warmest month.

How hot is July?

In Frederick, 82.9°F (28.3°C) is the average high-temperature and 61.7°F (16.5°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in July?

In Frederick, the average relative humidity in July is 66%.

How many days does it rain in July?

In July, in Frederick, South Dakota, the rain falls for 11.7 days. Throughout July, 2.64" (67mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Frederick have in July?

The average day length in July is 15h and 18min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:48 am and sunset at 9:27 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 9:03 pm CDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 11h of sunshine.

How long on average sun shines in July?

The average sunshine duration in July is 11h.

When is 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 reading in July?

In Frederick, 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
Frederick, SD

Average temperature in July - Frederick, SD
  • Average high temperature in July: 82.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in July: 61.7°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average pressure in July
Frederick, SD

Average pressure in July - Frederick, SD
  • Average pressure in July: 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).

Average wind speed in July
Frederick, SD

Average wind speed in July - Frederick, SD
  • Average wind speed in July: 8.3mph

The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).

Average humidity in July
Frederick, SD

Average humidity in July - Frederick, SD
  • Average humidity in July: 66%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).

Average rainfall in July
Frederick, SD

Average rainfall in July - Frederick, SD
  • Average rainfall in July: 2.64"

The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in July
Frederick, SD

Average rainfall days in July - Frederick, SD
  • Average rainfall days in July: 11.7 days

The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).

Average snowfall in July
Frederick, SD

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

The months with the highest snowfall are January and December (2.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Frederick, SD

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

The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Frederick, 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 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in July
Frederick, SD

Average sunshine days in July - Frederick, SD
  • Average sunshine days in July: 16.6 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).

Average UV index in July
Frederick, SD

Average UV index in July - Frederick, SD
  • 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, November and December (UV index 1).

Average cloud cover in July
Frederick, SD

Average cloud cover in July - Frederick, SD
  • Average cloud cover in July: 25

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in July
Frederick, SD

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

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

Frederick, South Dakota, USA

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