July weather forecastOnida, SD

July

Weather in July

July, the same as June, is a moderately hot summer month in Onida, South Dakota, with an average temperature fluctuating between 64.9°F (18.3°C) and 85.8°F (29.9°C).

Temperature

With average high temperatures of 85.8°F (29.9°C) and lows of 64.9°F (18.3°C), July is the warmest month.

Heat index

July's heat index is evaluated at a hot 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

In Onida, the average relative humidity in July is 57%.

Rainfall

In Onida, South Dakota, in July, during 12.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, in Onida, there are 97.8 rainfall days, and 16.65" (423mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Onida, South Dakota, the average length of the day in July is 15h and 10min.
On the first day of the month, sunrise is at 5:59 am and sunset at 9:29 pm. On the last day of July, sunrise is at 6:26 am and sunset at 9:06 pm CDT.

Sunshine

July has the most sunshine of the year in Onida, with an average of 11.2h of sunshine.

UV index

The months with the highest UV index 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 unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 6 during July translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. 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. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Onida's warmest month, July, generally records average temperatures ranging from a high of 85.8°F (29.9°C) to a low of 64.9°F (18.3°C).

In July, in Onida, the average high-temperature is 85.8°F (29.9°C), and the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in July is evaluated at 89.6°F (32°C).

In Onida, the average relative humidity in July is 57%.

In Onida, South Dakota, in July, it is raining for 12.3 days, with typically 2.4" (61mm) of accumulated precipitation.

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

The average day length in July in Onida is 15h and 10min.

On the first day of July, sunrise is at 5:59 am and sunset at 9:29 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 9:06 pm CDT.

With an average of 11.2h of sunshine, July has the most sunshine of the year.

The average sunshine duration in July in Onida, South Dakota, is 11.2h.

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

The average daily maximum UV index in July in Onida, South Dakota, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

77.9°F

85.8°F

83.8°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.2mph

10.6mph

10.5mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

14.4

12.3

11.3

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.1

15.7

16.7

Average UV index

Average cloud cover

30%

22%

Average visibility

6mi

Average temperature in July
Onida, SD

Average high temperature in July: 85.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).

Average low temperature in July: 64.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

Average pressure in July
Onida, SD

Average pressure in July: 29.9"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in July
Onida, SD

Average wind speed in July: 9.9mph

The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).

Average humidity in July
Onida, SD

Average humidity in July: 57%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).

Average rainfall in July
Onida, SD

Average rainfall in July: 2.4"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in July
Onida, SD

Average rainfall days in July: 12.3 days

The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in July
Onida, SD

Average snowfall in July: 0"

The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Onida, SD

Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July: 15h and 12min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

Average sunshine in July: 11h and 12min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in July
Onida, SD

Average sunshine days in July: 15.7 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).

Average UV index in July
Onida, 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, November and December (UV index 1).

Average cloud cover in July
Onida, SD

Average cloud cover in July: 22

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).

Average visibility in July
Onida, 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).