August weather forecast
Geraldine, MT

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Weather in August

The last month of the summer, August, is another warm month in Geraldine, Montana, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 60.4°F (15.8°C).

Temperature

August ushers in an average high-temperature of a still warm 81.9°F (27.7°C), aligning closely with the preceding month. Geraldine, during the month of August, experiences an average low-temperature of 60.4°F (15.8°C).

Humidity

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

Rainfall

In Geraldine, during August, the rain falls for 8.9 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, in Geraldine, Montana, there are 119.1 rainfall days, and 13.43" (341mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August is 14h and 13min.
On the first day of August, sunrise is at 5:59 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 8:02 pm MDT.

Sunshine

The average sunshine in August in Geraldine is 11.6h.

UV index

The average daily maximum UV index in August in Geraldine is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 5 during August translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the average August temperature in Geraldine?

The high-temperature during August is 81.9°F (27.7°C) and the low-temperature is 60.4°F (15.8°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is computed to be 82.4°F (28°C).

What is the least humid month in Geraldine?

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

What is the average humidity in August in Geraldine?

In August, the average relative humidity in Geraldine, Montana, is 39%.

How many days does it rain in August in Geraldine?

In Geraldine, during August, the rain falls for 8.9 days and regularly aggregates up to 0.87" (22mm) of precipitation.

When it does not snow in Geraldine?

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

Does it snow in Geraldine in August?

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

How many hours of daylight does Geraldine have in August?

In Geraldine, the average day length in August is 14h and 13min.

When is the sunrise / sunset in August in Geraldine?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:55 pm. On the last day of the month, in Geraldine, Montana, sunrise is at 6:39 am and sunset at 8:02 pm MDT.

How many hours of sunshine does Geraldine have in August?

In Geraldine, the average sunshine duration in August is 11.6h.

What is the UV index reading in August in Geraldine?

In Geraldine, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Geraldine, MT

Average temperature in August - Geraldine, 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
Geraldine, MT

Average pressure in August - Geraldine, MT
  • Average pressure in August: 29.9"Hg

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

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Average wind speed in August
Geraldine, MT

Average wind speed in August - Geraldine, 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
Geraldine, MT

Average humidity in August - Geraldine, 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
Geraldine, MT

Average rainfall in August - Geraldine, 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
Geraldine, MT

Average rainfall days in August - Geraldine, 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
Geraldine, MT

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

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

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Average snowfall days in August
Geraldine, MT

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

The month with the highest number of snowfall days is February (12.2 days).
The 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
Geraldine, MT

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).

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Average sunshine days in August
Geraldine, MT

Average sunshine days in August - Geraldine, 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
Geraldine, MT

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

The months with the highest UV index are June and July (UV index 6).
The 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
Geraldine, MT

Average cloud cover in August - Geraldine, 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
Geraldine, MT

Average visibility in August - Geraldine, 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).

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Geraldine, Montana, USA

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