August weather forecast and climate
Carter, MT

Weather in August

The last month of the summer, August, is another warm month in Carter, Montana, with average temperature ranging between min 60.4°F (15.8°C) and max 81.9°F (27.7°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a still warm 81.9°F (27.7°C). In Carter, the average low-temperature is 60.4°F (15.8°C).

Humidity

The least humid month is August, with an average relative humidity of 39%.

Rainfall

In August, in Carter, the rain falls for 8.9 days. Throughout August, 0.87" (22mm) of precipitation is accumulated. In Carter, during the entire year, the rain falls for 119.1 days and collects up to 13.43" (341mm) of precipitation.

Snowfall

In Carter snow does not fall in June through August.

Daylight

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

Sunshine

In August, the average sunshine in Carter is 11.6h.

UV index

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for average individuals.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
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FAQ

What is the least humid month in Carter?

August is the least humid month, with an average relative humidity of 39%.

What is the average humidity in August in Carter?

In August, the average relative humidity is 39%.

How much does it rain in Carter in August?

In Carter, in August, during 8.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When it does not snow in Carter?

June through August are months without snowfall.

Does it snow in Carter in August?

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

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

The average length of the day in August in Carter, Montana, is 14.2h.

How long on average sun shines in August in Carter?

In Carter, the average sunshine in August is 11.6h.

What is the UV index intensity in August in Carter?

In Carter, Montana, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in August
Carter, MT

Average temperature in August - Carter, MT
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).

  • Average low temperature in August: 60.4°F

The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).

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Average pressure in August
Carter, MT

Average pressure in August - Carter, MT
  • Average pressure in August: 29.9"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in August
Carter, MT

Average wind speed in August - Carter, MT
  • Average wind speed in August: 8.1mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

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Average humidity in August
Carter, MT

Average humidity in August - Carter, MT
  • Average humidity in August: 39%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in August
Carter, MT

Average rainfall in August - Carter, MT
  • Average rainfall in August: 0.87"

The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").

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Average rainfall days in August
Carter, MT

Average rainfall days in August - Carter, MT
  • Average rainfall days in August: 8.9 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in August
Carter, MT

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

The month with the highest snowfall is February (5.51").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Carter, MT

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

The month with the highest number of snowfall days is February (12.2 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Carter, 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: 8.5h).

  • Average sunshine in August: 11.6h

The month with the most sunshine is July (Average sunshine: 12h).
Months with the least sunshine are January, February and December (Average sunshine: 5.5).

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Average sunshine days in August
Carter, MT

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

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index in August
Carter, MT

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

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in August
Carter, MT

Average cloud cover in August - Carter, MT
  • Average cloud cover in August: 16

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).

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Average visibility in August
Carter, MT

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

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

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