August weather forecast
Hysham, MT

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Weather in August

August, the last month of the summer in Hysham, is another warm month, with an average temperature fluctuating between 63.1°F (17.3°C) and 84.6°F (29.2°C).

Temperature

Hysham's entry into August measures an average high-temperature of a moderately hot 84.6°F (29.2°C), closely parallel to the preceding month. In August, Hysham experiences a temperature dip to an average of 63.1°F (17.3°C) at night.

Humidity

The least humid month in Hysham is August, with an average relative humidity of 38%.

Rainfall

In Hysham, in August, it is raining for 10.4 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 99.5 rainfall days, and 11.06" (281mm) of precipitation is accumulated.

Snowfall

In Hysham, snow does not fall in June through August.

Daylight

The average length of the day in August is 14h and 7min.
On the first day of August, sunrise is at 5:51 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:48 pm MDT.

Sunshine

In Hysham, the average sunshine in August is 11.7h.

UV index

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in August transforms into this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

August temperatures vary between a high-temperature of 84.6°F (29.2°C) and a low-temperature of 63.1°F (17.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the least humid month?

With an average relative humidity of 38%, August is the least humid month.

What is the average humidity in August?

The average relative humidity in August is 38%.

How many days does it rain in August?

In Hysham, in August, it is raining for 10.4 days, with typically 0.98" (25mm) of accumulated precipitation.

When it does not snow?

In Hysham, Montana, snow does not fall in June through August.

Does it snow in August?

In Hysham, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Hysham have in August?

The average day length in August is 14h and 7min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:51 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:48 pm MDT.

How many hours of sunshine does Hysham have in August?

In Hysham, the average sunshine duration in August is 11.7h.

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's 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
Hysham, MT

Average temperature in August - Hysham, MT
  • Average high temperature in August: 84.6°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The months with the lowest average high temperature are January and December (30.9°F).

  • Average low temperature in August: 63.1°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in August
Hysham, MT

Average pressure in August - Hysham, MT
  • Average pressure in August: 29.89"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in August
Hysham, MT

Average wind speed in August - Hysham, MT
  • Average wind speed in August: 8.3mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).

Average humidity in August
Hysham, MT

Average humidity in August - Hysham, MT
  • Average humidity in August: 38%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).

Average rainfall in August
Hysham, MT

Average rainfall in August - Hysham, MT
  • Average rainfall in August: 0.98"

The wettest month (with the highest rainfall) is May (1.81").
The driest months (with the least rainfall) are January, November and December (0.47").

Average rainfall days in August
Hysham, MT

Average rainfall days in August - Hysham, MT
  • Average rainfall days in August: 10.4 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in August
Hysham, MT

Average snowfall in August - Hysham, MT
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.74").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Hysham, MT

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

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Hysham, MT

Average daylight in August / Average sunshine in August - Hysham, MT
  • 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: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 18min).

Average sunshine days in August
Hysham, MT

Average sunshine days in August - Hysham, MT
  • Average sunshine days in August: 16.5 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is April (14.2 days).

Average UV index in August
Hysham, MT

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Hysham, MT

Average cloud cover in August - Hysham, MT
  • Average cloud cover in August: 15

The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in August
Hysham, MT

Average visibility in August - Hysham, MT
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Hysham, Montana, USA

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