July weather forecast
Isabel, SD

englishespañol中文
Share

Weather in July

July in Isabel, South Dakota, is a tropical summer month, with an average temperature ranging between min 66°F (18.9°C) and max 87.3°F (30.7°C).

Temperature

Isabel, South Dakota, witnesses the warmest weather in July, with temperatures averaging a high of 87.3°F (30.7°C) and a low of 66°F (18.9°C).

Heat index

The heat index for July is estimated at a hot 89.6°F (32°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

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

Rainfall

In Isabel, South Dakota, in July, it is raining for 10.8 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, in Isabel, there are 99.7 rainfall days, and 16.06" (408mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Isabel.

Daylight

In July, the average length of the day in Isabel is 15h and 15min.
On the first day of July, sunrise is at 5:01 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:14 pm MDT.

Sunshine

July has the most sunshine of the year in Isabel, South Dakota, with an average of 11.5h of sunshine.

UV index

July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the maximum UV index of 7 transforms into these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
[Resources]

Frequently asked questions

What are the warmest months in Isabel?

July, known for its average high temperature of 87.3°F (30.7°C) and an average low temperature of 66°F (18.9°C), is the warmest month in Isabel, South Dakota.

How hot is it in Isabel in July?

In Isabel, 87.3°F (30.7°C) is the average high-temperature and 66°F (18.9°C) is the average low-temperature during July. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in July is estimated at 89.6°F (32°C).

What is the average humidity in July in Isabel?

The average relative humidity in July in Isabel, South Dakota, is 50%.

How much does it rain in Isabel in July?

In July, the rain falls for 10.8 days. Throughout July, 1.89" (48mm) of precipitation is accumulated.

When it does not snow in Isabel?

In Isabel, South Dakota, snow does not fall in June through September.

What is the average length of the day in July in Isabel?

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

When is the sunrise / sunset in July in Isabel?

On the first day of July in Isabel, sunrise is at 5:01 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:14 pm MDT.

What month has the most sunshine in Isabel?

July has the most sunshine of the year, with an average of 11.5h of sunshine.

How many hours of sunshine does Isabel have in July?

In Isabel, the average sunshine duration in July is 11.5h.

When is the highest UV index in Isabel?

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

How high is the UV index in July in Isabel?

The average daily maximum UV index in July in Isabel is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Isabel, SD

Average temperature in July - Isabel, SD
  • Average high temperature in July: 87.3°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in July: 66°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

[Resources]

Average pressure in July
Isabel, SD

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

The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

[Resources]

Average wind speed in July
Isabel, SD

Average wind speed in July - Isabel, SD
  • Average wind speed in July: 10.5mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest months (with the lowest average wind speed) are February and August (10.4mph).

[Resources]

Average humidity in July
Isabel, SD

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

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (49%).

[Resources]

Average rainfall in July
Isabel, SD

Average rainfall in July - Isabel, SD
  • Average rainfall in July: 1.89"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.51").

[Resources]

Average rainfall days in July
Isabel, SD

Average rainfall days in July - Isabel, SD
  • Average rainfall days in July: 10.8 days

The month with the highest number of rainy days is May (14.7 days).
The months with the least rainy days are January and February (3.3 days).

[Resources]

Average snowfall in July
Isabel, SD

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

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in July
Isabel, SD

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

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in July: 11h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

[Resources]

Average sunshine days in July
Isabel, SD

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

The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is April (12.4 days).

[Resources]

Average UV index in July
Isabel, SD

Average UV index in July - Isabel, 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).

[Resources]

Average cloud cover in July
Isabel, SD

Average cloud cover in July - Isabel, SD
  • Average cloud cover in July: 19

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).

[Resources]

Average visibility in July
Isabel, SD

Average visibility in July - Isabel, 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).

[Resources]

Isabel, South Dakota, USA

Weather forecast for your location

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