July weather forecast
Brentford, SD

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Weather in July

July, the same as June, is a moderately hot summer month in Brentford, South Dakota, with an average temperature varying between 84.7°F (29.3°C) and 63.1°F (17.3°C).

Temperature

July is Brentford's warmest month, registering average high temperatures of 84.7°F (29.3°C) and lows of 63.1°F (17.3°C).

Heat index

The average heat index in July is calculated to be a tropical 89.6°F (32°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

In Brentford, the average relative humidity in July is 65%.

Rainfall

In Brentford, during July, the rain falls for 12.2 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Brentford, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.

Snowfall

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

Daylight

In Brentford, the average length of the day in July is 15h and 13min.
On the first day of the month, sunrise is at 5:50 am and sunset at 9:24 pm. On the last day of July, sunrise is at 6:18 am and sunset at 9:01 pm CDT.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 6 in July leads to these guidelines:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Brentford?

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.

How hot is it in July?

The average high-temperature, in July, in Brentford, is 84.7°F (29.3°C), while the average low-temperature is 63.1°F (17.3°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 89.6°F (32°C).

What is the average humidity in July?

The average relative humidity in July is 65%.

How many days does it rain in July?

In Brentford, during July, the rain falls for 12.2 days and regularly aggregates up to 2.6" (66mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Brentford have in July?

In Brentford, the average day length in July is 15h and 13min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:50 am and sunset at 9:24 pm. On the last day of the month, in Brentford, sunrise is at 6:18 am and sunset at 9:01 pm CDT.

What month has the most sunshine?

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

How many hours of sunshine does Brentford have in July?

The average sunshine duration in July is 11.1h.

What are the months with the highest UV index?

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

How high is the UV index in July?

The average daily maximum UV index in July in Brentford is 6. A UV Index estimate of 6 to 7 represents 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
Brentford, SD

Average temperature in July - Brentford, 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
Brentford, SD

Average pressure in July - Brentford, 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
Brentford, SD

Average wind speed in July - Brentford, 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
Brentford, SD

Average humidity in July - Brentford, 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
Brentford, SD

Average rainfall in July - Brentford, 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
Brentford, SD

Average rainfall days in July - Brentford, 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
Brentford, SD

Average snowfall in July - Brentford, 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
Brentford, SD

Average snowfall days in July - Brentford, 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
Brentford, SD

Average daylight in July / Average sunshine in July - Brentford, 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
Brentford, SD

Average sunshine days in July - Brentford, 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
Brentford, SD

Average UV index in July - Brentford, 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
Brentford, SD

Average cloud cover in July - Brentford, 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
Brentford, SD

Average visibility in July - Brentford, 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).

Brentford, South Dakota, USA

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