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
The average high-temperature during August is a still warm 79°F (26.1°C), almost matching the conditions of the preceding month. August nights in Winston present a sharp contrast to daytime highs, with average temperatures of 49.3°F (9.6°C).Humidity
August is the least humid month, with an average relative humidity of 46%.Rainfall
In Winston, during August, the rain falls for 7.5 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, in Winston, there are 117.5 rainfall days, and 10.24" (260mm) of precipitation is accumulated.Snowfall
In Winston, snow does not fall in June through August.Daylight
In Winston, Montana, the average length of the day in August is 14h and 7min.On the first day of August in Winston, sunrise is at 6:08 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 8:06 pm MDT.
Sunshine
In August, the average sunshine in Winston is 11.5h.UV index
In Winston, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In August, an average UV index of 5 transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Winston in August?
What is the least humid month in Winston?
What is the average humidity in August in Winston?
How many days does it rain in August in Winston?
When it does not snow in Winston?
Does it snow in Winston in August?
What is the average length of the day in August in Winston?
When are sunrise and sunset in August in Winston?
How long on average sun shines in August in Winston?
What is the UV index intensity in August in Winston?
Average temperature in August
Winston, MT
- Average high temperature in August: 79°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in August: 49.3°F
The months with the highest average low temperature are July and August (49.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in August
Winston, MT
- Average pressure in August: 29.95"Hg
The months with the highest atmospheric pressure are January and December (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Winston, MT
- Average wind speed in August: 4.9mph
The windiest month (with the highest average wind speed) is December (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in August
Winston, MT
- Average humidity in August: 46%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall in August
Winston, MT
- Average rainfall in August: 0.63"
The wettest month (with the highest rainfall) is June (1.65").
The driest month (with the least rainfall) is December (0.51").
Average rainfall days in August
Winston, MT
- Average rainfall days in August: 7.5 days
The month with the highest number of rainy days is April (14.7 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in August
Winston, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Winston, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (15.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Winston, MT
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 11h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in August
Winston, MT
- Average sunshine days in August: 19.6 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is April (10.5 days).
Average UV index in August
Winston, 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 February and December (UV index 1).
Average cloud cover in August
Winston, MT
- Average cloud cover in August: 15
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in August
Winston, MT
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Winston, Montana, USA
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