July weather forecast
Denby, SD

Share

Weather in July

July in Denby, South Dakota, is a hot summer month, with an average temperature fluctuating between 87.6°F (30.9°C) and 65.5°F (18.6°C).

Temperature

The warmest period is July, when temperatures fluctuate between an average high of 87.6°F (30.9°C) and a low of 65.5°F (18.6°C).

Heat index

The heat index value for July is computed to be a hot 89.6°F (32°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In July, the average relative humidity is 50%.

Rainfall

In Denby, in July, it is raining for 10.1 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 86.7 rainfall days, and 13.66" (347mm) of precipitation is accumulated.

Snowfall

In Denby, snow does not fall in June through August.

Daylight

In Denby, South Dakota, the average length of the day in July is 14h and 59min.
On the first day of the month, sunrise is at 5:14 am and sunset at 8:32 pm. On the last day of July, sunrise is at 5:39 am and sunset at 8:11 pm MDT.

Sunshine

The average sunshine in July is 11.6h.

UV index

The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In July, the maximum UV index of 7 suggests this advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Denby?

With average high and low temperatures of 87.6°F (30.9°C) and 65.5°F (18.6°C) respectively, July is Denby's warmest month.

Is it hot during July?

The high-temperature, in July, in Denby, records 87.6°F (30.9°C), while the low-temperature is 65.5°F (18.6°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in July?

In Denby, the average relative humidity in July is 50%.

How many days does it rain in July?

In Denby, in July, during 10.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

When it does not snow?

In Denby, South Dakota, snow does not fall in June through August.

How many hours of daylight does Denby have in July?

In Denby, South Dakota, the average day length in July is 14h and 59min.

When is the sunrise / sunset in July in Denby?

In July, on the first day of the month, sunrise is at 5:14 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:11 pm MDT.

How many hours of sunshine does Denby have in July?

The average sunshine duration in July is 11.6h.

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

With an average maximum UV index of 7, July is the month with the highest UV index.

How high is the UV index in July?

In Denby, the average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high health risk 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 July
Denby, SD

Average temperature in July - Denby, SD
  • Average high temperature in July: 87.6°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in July: 65.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in July
Denby, SD

Average pressure in July - Denby, SD
  • Average pressure in July: 29.91"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in July
Denby, SD

Average wind speed in July - Denby, SD
  • Average wind speed in July: 10.4mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).

Average humidity in July
Denby, SD

Average humidity in July - Denby, SD
  • Average humidity in July: 50%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).

Average rainfall in July
Denby, SD

Average rainfall in July - Denby, SD
  • Average rainfall in July: 1.26"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in July
Denby, SD

Average rainfall days in July - Denby, SD
  • Average rainfall days in July: 10.1 days

The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).

Average snowfall in July
Denby, SD

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

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Denby, SD

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

The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in July / Average sunshine in July - Denby, SD
  • Average daylight in July: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in July: 11h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in July
Denby, SD

Average sunshine days in July - Denby, SD
  • Average sunshine days in July: 18.3 days

The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).

Average UV index in July
Denby, SD

Average UV index in July - Denby, SD
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
Denby, SD

Average cloud cover in July - Denby, SD
  • Average cloud cover in July: 18

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in July
Denby, SD

Average visibility in July - Denby, 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).

Denby, South Dakota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location