July weather forecast
Ferney, SD

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Weather in July

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

Temperature

July is the warmest month, exhibiting average temperatures of 84.7°F (29.3°C) at the peak and 63.1°F (17.3°C) at the base.

Heat index

For July, the heat index is appraised at a tropical 89.6°F (32°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In July, the average relative humidity in Ferney, South Dakota, is 65%.

Rainfall

In Ferney, in July, during 12.2 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Ferney, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in July in Ferney is 15h and 14min.
On the first day of July in Ferney, sunrise is at 5:48 am and sunset at 9:24 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 9:00 pm CDT.

Sunshine

The month with the most sunshine in Ferney is July, with an average of 11.1h of sunshine.

UV index

The months with the highest UV index in Ferney are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 6 in July leads to these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Ferney?

The highest temperatures in Ferney, South Dakota, are recorded in July, with averages reaching a high of 84.7°F (29.3°C) and a low of 63.1°F (17.3°C).

How hot is it in Ferney in July?

In July, the average high-temperature and low-temperature in Ferney are 84.7°F (29.3°C) and 63.1°F (17.3°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 89.6°F (32°C).

What is the average humidity in July in Ferney?

The average relative humidity in July is 65%.

How much does it rain in Ferney in July?

In July, in Ferney, the rain falls for 12.2 days. Throughout July, 2.6" (66mm) of precipitation is accumulated.

When it does not snow in Ferney?

June through September are months without snowfall in Ferney.

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

In Ferney, the average day length in July is 15h and 14min.

When are sunrise and sunset in July in Ferney?

On the first day of July in Ferney, South Dakota, sunrise is at 5:48 am and sunset at 9:24 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 9:00 pm CDT.

What month has the most sunshine in Ferney?

July has the most sunshine of the year in Ferney, with an average of 11.1h of sunshine.

How long on average sun shines in July in Ferney?

The average sunshine duration in July in Ferney, South Dakota, is 11.1h.

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

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

What is the UV index intensity in July in Ferney?

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

Average temperature in July - Ferney, 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 (20.7°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 (6.3°F).

Average pressure in July
Ferney, SD

Average pressure in July - Ferney, 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
Ferney, SD

Average wind speed in July - Ferney, SD
  • Average wind speed in July: 8.4mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in July
Ferney, SD

Average humidity in July - Ferney, SD
  • Average humidity in July: 65%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

Average rainfall in July
Ferney, SD

Average rainfall in July - Ferney, SD
  • Average rainfall in July: 2.6"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in July
Ferney, SD

Average rainfall days in July - Ferney, SD
  • Average rainfall days in July: 12.2 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

Average snowfall in July
Ferney, SD

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

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Ferney, SD

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

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Ferney, SD
  • Average daylight in July: 15h and 1min

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 1min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in July
Ferney, SD

Average sunshine days in July - Ferney, SD
  • Average sunshine days in July: 16.8 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in July
Ferney, SD

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).

Average cloud cover in July
Ferney, SD

Average cloud cover in July - Ferney, SD
  • Average cloud cover in July: 23

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

Average visibility in July
Ferney, SD

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

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

Ferney, South Dakota, USA

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