Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
A noticeable downshift in temperatures is seen in East Helena as September gives way to October, with average highs moving from a pleasant 68.2°F (20.1°C) to a cool 51.3°F (10.7°C). During the nights in October, East Helena experiences a consistent average temperature of 32.7°F (0.4°C).Humidity
The average relative humidity in October in East Helena is 64%.Rainfall
In October, in East Helena, the rain falls for 10 days. Throughout October, 0.83" (21mm) of precipitation is accumulated. Throughout the year, in East Helena, Montana, there are 123.7 rainfall days, and 12.4" (315mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In East Helena, during October, snow falls for 4.6 days and regularly aggregates up to 2.72" (69mm) of snow. Throughout the year, in East Helena, there are 80.4 snowfall days, and 34.88" (886mm) of snow is accumulated.Daylight
In East Helena, Montana, the average length of the day in October is 10h and 53min.On the first day of October in East Helena, sunrise is at 7:27 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 6:13 pm MDT.
Sunshine
In October, the average sunshine in East Helena, Montana, is 7h.UV index
The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In October, an average UV index of 2 transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature in East Helena?
What is the average humidity in October in East Helena?
How many days does it rain in October in East Helena?
How much does it snow in East Helena in October?
How many hours of daylight does East Helena have in October?
What time are sunrise and sunset in October in East Helena?
How many hours of sunshine does East Helena have in October?
What is the UV index reading in October in East Helena?
Average temperature in October
East Helena, MT
- Average high temperature in October: 51.3°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 October: 32.7°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 October
East Helena, MT
- Average pressure in October: 30.04"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 October
East Helena, MT
- Average wind speed in October: 6.7mph
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 October
East Helena, MT
- Average humidity in October: 64%
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 October
East Helena, MT
- Average rainfall in October: 0.83"
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 October
East Helena, MT
- Average rainfall days in October: 10 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 October
East Helena, MT
- Average snowfall in October: 2.72"
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 October
East Helena, MT
- Average snowfall days in October: 4.6 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 October /
Average sunshine in October
East Helena, MT
- Average daylight in October: 10h and 5min
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 October: 7h and 0min
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 October
East Helena, MT
- Average sunshine days in October: 17.2 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 October
East Helena, MT
- Average UV index in October: 2
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 October
East Helena, MT
- Average cloud cover in October: 29
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 October
East Helena, MT
- Average visibility in October: 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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