August weather forecast
Joplin, MT

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Weather in August

The last month of the summer, August, is another warm month in Joplin, Montana, with an average temperature varying between 60.4°F (15.8°C) and 81.1°F (27.3°C).

Temperature

The commencement of August brings an average high-temperature of a still moderately hot 81.1°F (27.3°C), marking an inconsequential divergence from July. August brings an average low-temperature of 60.4°F (15.8°C) to Joplin.

Humidity

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

Rainfall

In August, the rain falls for 9.3 days. Throughout August, 0.79" (20mm) of precipitation is accumulated. In Joplin, during the entire year, the rain falls for 113.8 days and collects up to 11.89" (302mm) of precipitation.

Snowfall

June through August are months without snowfall in Joplin.

Daylight

The average length of the day in August in Joplin is 14h and 17min.
On the first day of August in Joplin, sunrise is at 5:58 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 8:06 pm MDT.

Sunshine

In Joplin, the average sunshine in August is 11.5h.

UV index

In August, the average daily maximum UV index in Joplin is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during August leads to these instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What are the temperatures in Joplin in August?

In Joplin, in August, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is computed to be 82.4°F (28°C).

What is the least humid month in Joplin?

With an average relative humidity of 39%, August is the least humid month in Joplin, Montana.

What is the average humidity in August in Joplin?

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

How many days does it rain in August in Joplin?

In Joplin, Montana, in August, during 9.3 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

When it does not snow in Joplin?

In Joplin, Montana, snow does not fall in June through August.

Does it snow in Joplin in August?

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

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

In Joplin, Montana, the average day length in August is 14h and 17min.

When is the sunrise / sunset in August in Joplin?

In August, on the first day of the month, sunrise is at 5:58 am and sunset at 9:00 pm. On the last day of the month, in Joplin, Montana, sunrise is at 6:40 am and sunset at 8:06 pm MDT.

How many hours of sunshine does Joplin have in August?

The average sunshine duration in August in Joplin, Montana, is 11.5h.

How high is the UV index in August in Joplin?

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

Average temperature in August - Joplin, MT
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (28.2°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 (16.3°F).

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Average pressure in August
Joplin, MT

Average pressure in August - Joplin, 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
Joplin, MT

Average wind speed in August - Joplin, MT
  • Average wind speed in August: 8.5mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in August
Joplin, MT

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

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in August
Joplin, MT

Average rainfall in August - Joplin, MT
  • Average rainfall in August: 0.79"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is December (0.59").

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Average rainfall days in August
Joplin, MT

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

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5 days).

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Average snowfall in August
Joplin, MT

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

The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
Joplin, MT

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

The month with the highest number of snowfall days is January (12.5 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
Joplin, MT

Average daylight in August / Average sunshine in August - Joplin, MT
  • Average daylight in August: 14h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in August: 11h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).

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Average sunshine days in August
Joplin, MT

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

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (11.7 days).

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Average UV index in August
Joplin, MT

Average UV index in August - Joplin, 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, October, November and December (UV index 2).

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Average cloud cover in August
Joplin, MT

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

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in August
Joplin, MT

Average visibility in August - Joplin, 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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Joplin, Montana, USA

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