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 fluctuating between 65.5°F (18.6°C) and 87.6°F (30.9°C).

Temperature

Rockyford's July weather, marked by an average high temperature of 87.6°F (30.9°C) and an average low temperature of 65.5°F (18.6°C), is the warmest in the year.

Heat index

July's mean heat index is computed to be a tropical 89.6°F (32°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in July is 50%.

Rainfall

In Rockyford, 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

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

Daylight

In Rockyford, the average length of the day in July 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

The average sunshine in July is 11.6h.

UV index

With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 during July translates into the following directions:
Deter overexposure. Protecting against the sun's effects is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

Rockyford's warmest month, July, registers temperatures that range from a high of 87.6°F (30.9°C) to a low of 65.5°F (18.6°C).

Is it hot in Rockyford during July?

During July, Rockyford experiences an average high-temperature of 87.6°F (30.9°C) and a low-temperature of 65.5°F (18.6°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), 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?

The average relative humidity in July is 50%.

How many days does it rain in July?

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

When it does not snow?

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

How many hours of daylight does Rockyford have in July?

The average day length in July is 15h and 2min.

What time are sunrise and sunset in July?

In July, on the first day of the month, 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 is 11.6h.

What is the month with the highest UV index?

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?

The average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Rockyford, South Dakota, USA

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