July weather forecast
Rockyford, SD

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Weather in July

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

Temperature

In Rockyford, temperatures reach their average annual highs in July, measuring 87.6°F (30.9°C) and a minimum average of 65.5°F (18.6°C).

Heat index

For most parts of July, the heat index is estimated at a hot 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

The average relative humidity in July is 50%.

Rainfall

In Rockyford, South Dakota, during July, the rain falls for 10.1 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Rockyford, during the entire year, the rain falls for 86.7 days and collects up to 13.66" (347mm) of precipitation.

Snowfall

June through August are months without snowfall.

Daylight

In July, the average length of the day is 15h and 2min.
On the first day of July, sunrise is at 5:13 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:13 pm MDT.

Sunshine

In July, the average sunshine is 11.6h.

UV index

The month with the highest UV index in Rockyford is July, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In July, the maximum UV index of 7 translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What are the warmest months in Rockyford?

In Rockyford, South Dakota, the peak temperatures are generally noted in July, averaging a high of 87.6°F (30.9°C) and a low of 65.5°F (18.6°C).

How hot is it in Rockyford in July?

In Rockyford, in July, the average high-temperature is 87.6°F (30.9°C), and the average low-temperature is 65.5°F (18.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in July is estimated at 89.6°F (32°C).

What is the average humidity in July in Rockyford?

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

How much does it rain in Rockyford in July?

In Rockyford, during July, the rain falls for 10.1 days and regularly aggregates up to 1.26" (32mm) of precipitation.

When it does not snow in Rockyford?

June through August are months without snowfall in Rockyford, South Dakota.

How many hours of daylight does Rockyford have in July?

The average day length in July in Rockyford, South Dakota, is 15h and 2min.

When are sunrise and sunset in July in Rockyford?

On the first day of July, sunrise is at 5:13 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:13 pm MDT.

How long on average sun shines in July in Rockyford?

The average sunshine duration in July in Rockyford is 11.6h.

When is the highest UV index in Rockyford?

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

What is the UV index reading in July in Rockyford?

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

Average temperature in July - Rockyford, 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).

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Average pressure in July
Rockyford, SD

Average pressure in July - Rockyford, 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).

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Average wind speed in July
Rockyford, SD

Average wind speed in July - Rockyford, 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).

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Average humidity in July
Rockyford, SD

Average humidity in July - Rockyford, 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%).

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Average rainfall in July
Rockyford, SD

Average rainfall in July - Rockyford, 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").

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Average rainfall days in July
Rockyford, SD

Average rainfall days in July - Rockyford, 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).

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Average snowfall in July
Rockyford, SD

Average snowfall in July - Rockyford, 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").

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Average snowfall days in July
Rockyford, SD

Average snowfall days in July - Rockyford, 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).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • 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).

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Average sunshine days in July
Rockyford, SD

Average sunshine days in July - Rockyford, 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).

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Average UV index in July
Rockyford, SD

Average UV index in July - Rockyford, 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).

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Average cloud cover in July
Rockyford, SD

Average cloud cover in July - Rockyford, 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).

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Average visibility in July
Rockyford, SD

Average visibility in July - Rockyford, 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).

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Rockyford, South Dakota, USA

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