August weather forecast and climate
Gallatin Gateway, MT

August, the last month of the summer, in Gallatin Gateway, is also a moderately hot month, with average temperature varying between 75.6°F (24.2°C) and 46.9°F (8.3°C).

Temperature

In Gallatin Gateway, the average high-temperature is relatively the same as in July - a still warm 75.6°F (24.2°C). In August, in Gallatin Gateway, the average low-temperature is 46.9°F (8.3°C).

Humidity

August is the least humid month, with an average relative humidity of 51%.

Rainfall

The month with the least rainfall is August when the rain falls for 12.6 days and typically collects 1.3" (33mm) of precipitation.

Snowfall

July and August are months without snowfall in Gallatin Gateway, Montana.

Daylight

The average length of the day in August is 14h.

Sunshine

In Gallatin Gateway, the average sunshine is 11.3h.

UV index

The average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in August in Gallatin Gateway?

The average high-temperature, in August, is 75.6°F (24.2°C), while the average low-temperature is 46.9°F (8.3°C).

What is the least humid month in Gallatin Gateway?

With an average relative humidity of 51%, August is the least humid month.

What is the average humidity in August in Gallatin Gateway?

In Gallatin Gateway, Montana, the average relative humidity in August is 51%.

How many days does it rain in August in Gallatin Gateway?

In August, in Gallatin Gateway, the rain falls for 12.6 days. Throughout August, 1.3" (33mm) of precipitation is accumulated.

What is the driest month in Gallatin Gateway?

The month with the least rainfall is August when the rain falls for 12.6 days and typically collects 1.3" (33mm) of precipitation.

Does it snow in Gallatin Gateway in August?

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

When it does not snow in Gallatin Gateway?

July and August are months without snowfall.

What is the average length of the day in August in Gallatin Gateway?

The average length of the day in August is 14h.

How long on average sun shines in August in Gallatin Gateway?

In Gallatin Gateway, the average sunshine in August is 11.3h.

What is the UV index intensity in August in Gallatin Gateway?

In Gallatin Gateway, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in August - Gallatin Gateway, MT
  • Average high temperature in August: 75.6°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (24.8°F).

  • Average low temperature in August: 46.9°F

Months with the highest average low temperature are July and August (46.9°F).
The coldest month (with the lowest average low temperature) is December (10.4°F).

Average pressure in August - Gallatin Gateway, MT
  • Average pressure in August: 29.96"

Months with the highest atmospheric pressure are January and December (30.19").
The month with the lowest atmospheric pressure is June (29.9").

Average wind speed in August - Gallatin Gateway, MT
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is January (6.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in August - Gallatin Gateway, MT
  • Average humidity in August: 51%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (51%).

Average rainfall in August - Gallatin Gateway, MT
  • Average rainfall in August: 1.3"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is August (1.3").

Average rainfall days in August - Gallatin Gateway, MT
  • Average rainfall days in August: 12.6 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (4.4 days).

Average snowfall in August - Gallatin Gateway, MT
  • Average snowfall in August: 0"

The month with the highest snowfall is February (15.51").
Months with the least snowfall are July and August (0").

Average snowfall days in August - Gallatin Gateway, MT
  • Average snowfall days in August: 0.1 days

The month with the highest number of snowfall days is February (20.3 days).
The month with the least snowfall days is July (0 days).

Average daylight in August / Average sunshine in August - Gallatin Gateway, MT
  • Average daylight in August: 14h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in August: 11.3h

The month with the most sunshine is July (Average sunshine: 11.5h).
Months with the least sunshine are January and February (Average sunshine: 4.5).

Average sunshine days in August - Gallatin Gateway, MT
  • Average sunshine days in August: 15 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (7 days).

Average UV index in August - Gallatin Gateway, MT
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in August - Gallatin Gateway, MT
  • Average cloud cover in August: 17

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in August - Gallatin Gateway, MT
  • Average visibility in August: 6mi

Months with the highest visibility are June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March and December (4mi).