August weather forecast
Heron, MT

Share

Weather in August

August, the last month of the summer in Heron, is another warm month, with an average temperature varying between 78.3°F (25.7°C) and 49.1°F (9.5°C).

Temperature

The warmest period tends to be August, when average temperatures fluctuate between a high of 78.3°F (25.7°C) and a low of 49.1°F (9.5°C).

Humidity

With an average relative humidity of 52%, August is the least humid month in Heron.

Rainfall

August is the month with the least rainfall. Rain falls for 6.9 days and accumulates 0.55" (14mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day in Heron is 14h and 14min.
On the first day of the month, sunrise is at 6:21 am and sunset at 9:19 pm. On the last day of August, sunrise is at 7:01 am and sunset at 8:26 pm MDT.

Sunshine

The month with the most sunshine is August, with an average of 11.8h of sunshine.

UV index

In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 4 in August translates into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
[Resources]

Frequently asked questions

What month is the hottest in Heron?

August proves to be the warmest month in Heron, recording an average peak temperature of 78.3°F (25.7°C) and a minimum temperature of 49.1°F (9.5°C).

What are August temperatures in Heron?

The average high-temperature and low-temperature in Heron, Montana, during August are 78.3°F (25.7°C) and 49.1°F (9.5°C) respectively.

What is the least humid month in Heron?

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

What is the average humidity in August in Heron?

The average relative humidity in August is 52%.

What is the driest month in Heron?

August is the month with the least rainfall. Rain falls for 6.9 days and accumulates 0.55" (14mm) of precipitation.

How much does it rain in Heron in August?

In Heron, Montana, in August, during 6.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When it does not snow in Heron?

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

Does it snow in Heron in August?

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

How many hours of daylight does Heron have in August?

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

What time are sunrise and sunset in August in Heron?

On the first day of August in Heron, sunrise is at 6:21 am and sunset at 9:19 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 8:26 pm MDT.

What month has the most sunshine in Heron?

The month with the most sunshine is August, with an average of 11.8h of sunshine.

How long on average sun shines in August in Heron?

In August, the average sunshine duration in Heron is 11.8h.

How high is the UV index in August in Heron?

In August, the average daily maximum UV index in Heron, Montana, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Heron, MT

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

The warmest month (with the highest average high temperature) is August (78.3°F).
The month with the lowest average high temperature is December (29.3°F).

  • Average low temperature in August: 49.1°F

The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).

[Resources]

Average pressure in August
Heron, MT

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

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

[Resources]

Average wind speed in August
Heron, MT

Average wind speed in August - Heron, MT
  • Average wind speed in August: 3.9mph

The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).

[Resources]

Average humidity in August
Heron, MT

Average humidity in August - Heron, MT
  • Average humidity in August: 52%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (52%).

[Resources]

Average rainfall in August
Heron, MT

Average rainfall in August - Heron, MT
  • Average rainfall in August: 0.55"

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is August (0.55").

[Resources]

Average rainfall days in August
Heron, MT

Average rainfall days in August - Heron, MT
  • Average rainfall days in August: 6.9 days

The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is August (6.9 days).

[Resources]

Average snowfall in August
Heron, MT

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

The month with the highest snowfall is January (15.87").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in August
Heron, MT

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

The month with the highest number of snowfall days is December (19.5 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

[Resources]

Average sunshine days in August
Heron, MT

Average sunshine days in August - Heron, MT
  • Average sunshine days in August: 20.8 days

The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is March (7.1 days).

[Resources]

Average UV index in August
Heron, MT

Average UV index in August - Heron, MT
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

[Resources]

Average cloud cover in August
Heron, MT

Average cloud cover in August - Heron, MT
  • Average cloud cover in August: 14

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 14).

[Resources]

Average visibility in August
Heron, MT

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

The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).

[Resources]

Heron, Montana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location