July weather forecast
Onaka, SD

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Weather in July

July, the same as June, is another warm summer month in Onaka, South Dakota, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 85.8°F (29.9°C).

Temperature

July stands out as Onaka's warmest month, with an average high-temperature of 85.8°F (29.9°C) and a low-temperature of 64.9°F (18.3°C).

Heat index

The heat index value for July is computed to be a tropical 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

The average relative humidity in July is 57%.

Rainfall

In Onaka, in July, during 12.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Onaka, during the entire year, the rain falls for 97.8 days and collects up to 16.65" (423mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day is 15h and 14min.
On the first day of July, sunrise is at 5:54 am and sunset at 9:29 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 9:05 pm CDT.

Sunshine

July has the most sunshine of the year, 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 estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

July, recording an average high temperature of 85.8°F (29.9°C) and a low temperature of 64.9°F (18.3°C), is Onaka's warmest month.

How hot is July?

July temperatures vary between a high-temperature of 85.8°F (29.9°C) and a low-temperature of 64.9°F (18.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in July is computed to be 89.6°F (32°C).

What is the average humidity in July?

The average relative humidity in July is 57%.

How much does it rain in July?

In Onaka, in July, during 12.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall in Onaka.

How many hours of daylight does Onaka have in July?

In Onaka, South Dakota, the average day length in July is 15h and 14min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:54 am and sunset at 9:29 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 9:05 pm CDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 11.2h of sunshine.

How many hours of sunshine does Onaka have in July?

In Onaka, South Dakota, the average sunshine duration in July is 11.2h.

When is the highest UV index?

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

How high is the UV index in July?

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

Average temperature in July - Onaka, 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
Onaka, SD

Average pressure in July - Onaka, 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
Onaka, SD

Average wind speed in July - Onaka, 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
Onaka, SD

Average humidity in July - Onaka, 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
Onaka, SD

Average rainfall in July - Onaka, 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
Onaka, SD

Average rainfall days in July - Onaka, 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
Onaka, SD

Average snowfall in July - Onaka, 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
Onaka, SD

Average snowfall days in July - Onaka, 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
Onaka, SD

Average daylight in July / Average sunshine in July - Onaka, 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in July
Onaka, SD

Average sunshine days in July - Onaka, 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
Onaka, SD

Average UV index in July - Onaka, 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
Onaka, SD

Average cloud cover in July - Onaka, 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
Onaka, SD

Average visibility in July - Onaka, 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).

Onaka, South Dakota, USA

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