August weather forecast and climate
Culbertson, MT

August, the last month of the summer, in Culbertson, is another warm month, with average temperature ranging between max 82.8°F (28.2°C) and min 62.2°F (16.8°C).

Temperature

In Culbertson, the average high-temperature in August is practically the same as in July - a still warm 82.8°F (28.2°C). The average low-temperature, in Culbertson, Montana, is 62.2°F (16.8°C).

Heat index

In August, the average heat index is calculated to 82.8°F (28.2°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, differences in body mass, height, and shape, pregnancy), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

With an average relative humidity of 45%, August is the least humid month.

Rainfall

In Culbertson, it is raining for 8.8 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, in Culbertson, there are 85.7 rainfall days, and 8.5" (216mm) of precipitation is accumulated.

Snowfall

In Culbertson snow does not fall in June through September.

Daylight

In August, the average length of the day is 14.2h.

Sunshine

The average sunshine in Culbertson is 11.5h.

UV index

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in August in Culbertson?

The average high-temperature, in August, in Culbertson, Montana, is 82.8°F (28.2°C), while the average low-temperature is 62.2°F (16.8°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), that represents influence of the relative humidity to air temperaure, is estimated at 82.8°F (28.2°C).

What is the least humid month in Culbertson?

With an average relative humidity of 45%, August is the least humid month in Culbertson.

What is the average humidity in August in Culbertson?

In August, the average relative humidity in Culbertson, Montana, is 45%.

How much does it rain in Culbertson in August?

In Culbertson, Montana, during August, the rain falls for 8.8 days and regularly aggregates up to 0.87" (22mm) of precipitation.

When it does not snow in Culbertson?

June through September are months without snowfall in Culbertson, Montana.

What is the average length of the day in August in Culbertson?

In August, the average length of the day in Culbertson is 14.2h.

How many hours of sunshine does Culbertson have in August?

In Culbertson, the average sunshine in August is 11.5h.

How high is the UV index in August in Culbertson?

The average daily maximum UV index in August in Culbertson, Montana, is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.
Average temperature in August - Culbertson, MT
  • Average high temperature in August: 28.2°C

The warmest month (with the highest average high temperature) is July (29°C).
The month with the lowest average high temperature is January (-4.8°C).

  • Average low temperature in August: 16.8°C

The month with the highest average low temperature is July (17.2°C).
The coldest month (with the lowest average low temperature) is January (-12.3°C).

Average pressure in August - Culbertson, MT
  • Average pressure in August: 1012.1mbar

The month with the highest atmospheric pressure is February (1021.5mbar).
The month with the lowest atmospheric pressure is June (1010.3mbar).

Average wind speed in August - Culbertson, MT
  • Average wind speed in August: 14.9km/h

The windiest month (with the highest average wind speed) is April (17.9km/h).
The calmest month (with the lowest average wind speed) is February (14.8km/h).

Average humidity in August - Culbertson, MT
  • Average humidity in August: 45%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (45%).

Average rainfall in August - Culbertson, MT
  • Average rainfall in August: 22mm

The wettest month (with the highest rainfall) is July (34mm).
The driest month (with the least rainfall) is January (6mm).

Average rainfall days in August - Culbertson, MT
  • Average rainfall days in August: 8.8 days

The month with the highest number of rainy days is June (11.4 days).
Months with the least rainy days are January and February (3.2 days).

Average snowfall in August - Culbertson, MT
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (45mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in August - Culbertson, MT
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (12 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Culbertson, MT
  • Average daylight in August: 14.2h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in August: 11.5h

The month with the most sunshine is July (Average sunshine: 11.7h).
The month with the least sunshine is February (Average sunshine: 4.3h).

Average sunshine days in August - Culbertson, MT
  • Average sunshine days in August: 18.5 days

The month with the most sunshine days is September (20.7 days).
The month with the least sunshine days is April (15.8 days).

Average UV index in August - Culbertson, MT
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January and February (UV index 1).

Average cloud cover in August - Culbertson, MT
  • Average cloud cover in August: 19

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 18).

Average visibility in August - Culbertson, MT
  • Average visibility in August: 10km

Months with the highest visibility are May, June, July, August, September and October (10km).
Months with the lowest visibility are January, February, March, April, November and December (9km).