Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
During July and August, Plains registers its highest temperatures, averaging a high of 78.8°F (26°C).Humidity
The months with the lowest humidity in Plains are July and August, with an average relative humidity of 53%.Rainfall
August is the month with the least rainfall in Plains. Rain falls for 5.9 days and accumulates 0.39" (10mm) of precipitation.Snowfall
June through August are months without snowfall.Daylight
In August, the average length of the day is 14h and 11min.On the first day of August, sunrise is at 6:18 am and sunset at 9:13 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 8:21 pm MDT.
Sunshine
In Plains, the average sunshine in August is 11.6h.UV index
In Plains, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In August, the UV index of 4 transforms into the following advice:
Guard yourself - Avoiding sunburn is suggested. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What are the warmest months in Plains?
What are the temperatures in Plains in August?
What are the least humid months in Plains?
What is the average humidity in August in Plains?
What is the driest month in Plains?
How much does it rain in Plains in August?
When it does not snow in Plains?
Does it snow in Plains in August?
What is the average length of the day in August in Plains?
When are sunrise and sunset in August in Plains?
How many hours of sunshine does Plains have in August?
What is the UV index reading in August in Plains?
Average temperature in August
Plains, MT
- Average high temperature in August: 78.8°F
The warmest months (with the highest average high temperature) are July and August (78.8°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in August: 45.7°F
The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).
Average pressure in August
Plains, MT
- Average pressure in August: 29.94"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Plains, MT
- Average wind speed in August: 4.1mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity in August
Plains, MT
- Average humidity in August: 53%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (53%).
Average rainfall in August
Plains, MT
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is January (3.11").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in August
Plains, MT
- Average rainfall days in August: 5.9 days
The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in August
Plains, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (15.12").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Plains, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (20.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Plains, 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: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Plains, MT
- Average sunshine days in August: 23.3 days
The months with the most sunshine days are July and August (23.3 days).
The month with the least sunshine days is March (5.8 days).
Average UV index in August
Plains, 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).
Average cloud cover in August
Plains, MT
- Average cloud cover in August: 15
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in August
Plains, MT
- Average visibility in August: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Plains, Montana, USA
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