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
Stepping into October, Helena observes a temperature decline, with the average high falling from September's moderately hot 78.1°F (25.6°C) to a comfortable 65.3°F (18.5°C). An average low-temperature of 46.9°F (8.3°C) is anticipated throughout the nights in Helena during October.Humidity
In Helena, the average relative humidity in October is 76%.Rainfall
January, September and October are months with the least rain in Helena when the rain falls for 10.9 days and typically aggregates up to 1.06" (27mm) of rain.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Helena, Kentucky, during the entire year, snow falls for 30.6 days and aggregates up to 5.16" (131mm) of snow.Daylight
The average length of the day in October in Helena is 11h and 11min.On the first day of the month, sunrise is at 7:31 am and sunset at 7:17 pm. On the last day of October, in Helena, sunrise is at 8:01 am and sunset at 6:36 pm EDT.
Sunshine
In October, the average sunshine in Helena, Kentucky, is 6.5h.UV index
The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 3 during October morphs into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Helena?
What is the average humidity in October in Helena?
What is the driest month in Helena?
How much does it rain in Helena in October?
When does it start snowing in Helena?
What is the average length of the day in October in Helena?
When are sunrise and sunset in October in Helena?
How many hours of sunshine does Helena have in October?
How high is the UV index in October in Helena?
Average temperature in October
Helena, KY
- Average high temperature in October: 65.3°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in October: 46.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in October
Helena, KY
- Average pressure in October: 30.05"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in October
Helena, KY
- Average wind speed in October: 6.6mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in October
Helena, KY
- Average humidity in October: 76%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in October
Helena, KY
- Average rainfall in October: 1.06"
The wettest month (with the highest rainfall) is July (1.93").
The driest months (with the least rainfall) are January, September and October (1.06").
Average rainfall days in October
Helena, KY
- Average rainfall days in October: 10.9 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in October
Helena, KY
- Average snowfall in October: 0.04"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Helena, KY
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (8.5 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, KY
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 6h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in October
Helena, KY
- Average sunshine days in October: 18.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in October
Helena, KY
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Helena, KY
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in October
Helena, KY
- Average visibility in October: 6mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
Helena, Kentucky, USA
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