August weather forecast
Harlowton, MT

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Weather in August

August, the last month of the summer in Harlowton, is another warm month, with an average temperature ranging between min 54.3°F (12.4°C) and max 78.3°F (25.7°C).

Temperature

A minor adjustment in Harlowton's average high-temperature is noted with the start of August, touching a still warm 78.3°F (25.7°C) from July's 80.1°F (26.7°C). August nights in Harlowton see a notable contrast from daytime highs, with the nighttime temperature averaging at a cool 54.3°F (12.4°C).

Humidity

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

Rainfall

In Harlowton, in August, during 9.3 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 128.6 rainfall days, and 12.8" (325mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall.

Daylight

In August, the average length of the day in Harlowton, Montana, is 14h and 7min.
On the first day of August in Harlowton, sunrise is at 6:01 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:59 pm MDT.

Sunshine

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

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Harlowton?

In Harlowton, in August, the average high-temperature is 78.3°F (25.7°C), and the average low-temperature is 54.3°F (12.4°C).

What is the least humid month in Harlowton?

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

What is the average humidity in August in Harlowton?

In August, the average relative humidity is 45%.

How many days does it rain in August in Harlowton?

In Harlowton, Montana, in August, during 9.3 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

When it does not snow in Harlowton?

June through August are months without snowfall.

Does it snow in Harlowton in August?

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

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

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

When are sunrise and sunset in August in Harlowton?

On the first day of August, sunrise is at 6:01 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:59 pm MDT.

How many hours of sunshine does Harlowton have in August?

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

How high is the UV index in August in Harlowton?

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium 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
Harlowton, MT

Average temperature in August - Harlowton, MT
  • Average high temperature in August: 78.3°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (29.3°F).

  • Average low temperature in August: 54.3°F

The months with the highest average low temperature are July and August (54.3°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).

Average pressure in August
Harlowton, MT

Average pressure in August - Harlowton, MT
  • Average pressure in August: 29.92"Hg

The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in August
Harlowton, MT

Average wind speed in August - Harlowton, MT
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in August
Harlowton, MT

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

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (45%).

Average rainfall in August
Harlowton, MT

Average rainfall in August - Harlowton, MT
  • Average rainfall in August: 0.83"

The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.47").

Average rainfall days in August
Harlowton, MT

Average rainfall days in August - Harlowton, MT
  • Average rainfall days in August: 9.3 days

The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and December (7.2 days).

Average snowfall in August
Harlowton, MT

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

The month with the highest snowfall is April (6.61").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Harlowton, MT

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

The month with the highest number of snowfall days is February (14.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Harlowton, MT
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
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 month with the least sunshine is February (Average sunshine: 6h and 24min).

Average sunshine days in August
Harlowton, MT

Average sunshine days in August - Harlowton, MT
  • Average sunshine days in August: 17.3 days

The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is April (9 days).

Average UV index in August
Harlowton, MT

Average UV index in August - Harlowton, MT
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in August
Harlowton, MT

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

The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in August
Harlowton, MT

Average visibility in August - Harlowton, 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).

Harlowton, Montana, USA

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