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
As Helena enters October, the average high-temperature decreases from the an agreeable 72.9°F (22.7°C) of September to a refreshing 60.8°F (16°C). Throughout October, Helena anticipates an average low-temperature of 47.5°F (8.6°C).Humidity
The least humid month in Helena is October, with an average relative humidity of 74%.Rainfall
In October, in Helena, Ohio, the rain falls for 13.7 days. Throughout October, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 163.4 rainfall days, and 30.28" (769mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Helena, Ohio. Throughout October, in the average 0.4 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 45.1 snowfall days, and 14.02" (356mm) of snow is accumulated.Daylight
The average length of the day in October in Helena is 11h and 5min.On the first day of the month, sunrise is at 7:30 am and sunset at 7:14 pm. On the last day of October, in Helena, sunrise is at 8:04 am and sunset at 6:29 pm EDT.
Sunshine
In Helena, the average sunshine in October is 5.9h.UV index
The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 2 in October leads to these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Helena in October?
What is the least humid month in Helena?
What is the average humidity in October in Helena?
How much does it rain in Helena in October?
When does it start to snow in Helena?
What is the average length of the day in October in Helena?
What time are sunrise and sunset in October in Helena?
How many hours of sunshine does Helena have in October?
What is the UV index reading in October in Helena?
Average temperature in October
Helena, OH
- Average high temperature in October: 60.8°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in October: 47.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in October
Helena, OH
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Helena, OH
- Average wind speed in October: 9.4mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in October
Helena, OH
- Average humidity in October: 74%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Helena, OH
- Average rainfall in October: 2.17"
The wettest months (with the highest rainfall) are May and June (3.5").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in October
Helena, OH
- Average rainfall days in October: 13.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in October
Helena, OH
- Average snowfall in October: 0.24"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Helena, OH
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Helena, OH
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in October
Helena, OH
- Average sunshine days in October: 15.1 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in October
Helena, OH
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Helena, OH
- Average cloud cover in October: 42
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in October
Helena, OH
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Helena, Ohio, USA
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