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
East Helena's entry into August measures an average high-temperature of a still warm 78.1°F (25.6°C), closely parallel to the preceding month. A noteworthy temperature dip to a fresh 50.2°F (10.1°C) is observed during the nights of August.Humidity
July and August, with an average relative humidity of 46%, are the least humid months in East Helena.Rainfall
In East Helena, in August, it is raining for 9.1 days, with typically 0.87" (22mm) of accumulated precipitation. In East Helena, during the entire year, the rain falls for 123.7 days and collects up to 12.4" (315mm) of precipitation.Snowfall
June through August are months without snowfall in East Helena, Montana.Daylight
The average length of the day in August in East Helena is 14h and 8min.On the first day of August in East Helena, sunrise is at 6:09 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 8:08 pm MDT.
Sunshine
In August, the average sunshine in East Helena, Montana, is 11.5h.UV index
In August, the average daily maximum UV index in East Helena is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 4 in August, converts into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in East Helena?
What is the least humid month in East Helena?
What is the average humidity in August in East Helena?
How many days does it rain in August in East Helena?
When it does not snow in East Helena?
Does it snow in East Helena in August?
What is the average length of the day in August in East Helena?
When is the sunrise / sunset in August in East Helena?
How long on average sun shines in August in East Helena?
What is the UV index reading in August in East Helena?
Average temperature in August
East Helena, MT
- Average high temperature in August: 78.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (27.7°F).
- Average low temperature in August: 50.2°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is December (14.2°F).
Average pressure in August
East Helena, MT
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
East Helena, MT
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is November (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
East Helena, MT
- Average humidity in August: 46%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (46%).
Average rainfall in August
East Helena, MT
- Average rainfall in August: 0.87"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.63").
Average rainfall days in August
East Helena, MT
- Average rainfall days in August: 9.1 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7 days).
Average snowfall in August
East Helena, MT
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
East Helena, MT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
East Helena, 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 36min).
- 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 36min).
Average sunshine days in August
East Helena, MT
- Average sunshine days in August: 19.5 days
The month with the most sunshine days is July (20.5 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in August
East Helena, MT
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
East Helena, MT
- Average cloud cover in August: 15
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in August
East Helena, MT
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
East Helena, Montana, USA
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