August weather forecast
Bullhead, SD

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Weather in August

August, the last month of the summer in Bullhead, is also a moderately hot month, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 84.2°F (29°C).

Temperature

Transitioning into August, Bullhead experiences an average high-temperature of a warm 84.2°F (29°C), marking a minor shift from the preceding month. During August, Bullhead records an average temperature of 63.3°F (17.4°C) at night.

Heat index

The heat index value during August is calculated to be a hot 86°F (30°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

The least humid month is August, with an average relative humidity of 52%.

Rainfall

In Bullhead, in August, it is raining for 10.4 days, with typically 1.18" (30mm) of accumulated precipitation. In Bullhead, South Dakota, during the entire year, the rain falls for 89.4 days and collects up to 15.39" (391mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 14h and 4min.
On the first day of August, sunrise is at 5:28 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:23 pm MDT.

Sunshine

In August, the average sunshine is 10.9h.

UV index

June through August, with an average maximum UV index of 6, are months 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: In August, an average UV index of 6 transforms into the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The high-temperature, in August, in Bullhead, records 84.2°F (29°C), while the low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 86°F (30°C).

What is the least humid month?

August is the least humid month, with an average relative humidity of 52%.

What is the average humidity in August?

In Bullhead, the average relative humidity in August is 52%.

How many days does it rain in August?

In Bullhead, in August, it is raining for 10.4 days, with typically 1.18" (30mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall in Bullhead, South Dakota.

What is the average length of the day in August?

In Bullhead, the average day length in August is 14h and 4min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:28 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:23 pm MDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.9h.

What is the month with the highest UV index?

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

What is the UV index intensity in August?

In Bullhead, South Dakota, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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 August
Bullhead, SD

Average temperature in August - Bullhead, SD
  • Average high temperature in August: 84.2°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in August: 63.3°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 (9°F).

Average pressure in August
Bullhead, SD

Average pressure in August - Bullhead, SD
  • Average pressure in August: 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 August
Bullhead, SD

Average wind speed in August - Bullhead, SD
  • Average wind speed in August: 9.5mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).

Average humidity in August
Bullhead, SD

Average humidity in August - Bullhead, SD
  • Average humidity in August: 52%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).

Average rainfall in August
Bullhead, SD

Average rainfall in August - Bullhead, SD
  • Average rainfall in August: 1.18"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in August
Bullhead, SD

Average rainfall days in August - Bullhead, SD
  • Average rainfall days in August: 10.4 days

The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).

Average snowfall in August
Bullhead, SD

Average snowfall in August - Bullhead, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Bullhead, SD

Average snowfall days in August - Bullhead, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Bullhead, SD

Average daylight in August / Average sunshine in August - Bullhead, SD
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in August
Bullhead, SD

Average sunshine days in August - Bullhead, SD
  • Average sunshine days in August: 18 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).

Average UV index in August
Bullhead, SD

Average UV index in August - Bullhead, SD
  • Average UV index in August: 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 and December (UV index 1).

Average cloud cover in August
Bullhead, SD

Average cloud cover in August - Bullhead, SD
  • Average cloud cover in August: 21

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).

Average visibility in August
Bullhead, SD

Average visibility in August - Bullhead, SD
  • Average visibility in August: 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).

Bullhead, South Dakota, USA

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