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
The onset of October is marked by a decrease in temperature, transitioning from a warm 84.4°F (29.1°C) in September to a still moderately hot 73.4°F (23°C). Throughout October, Helena anticipates an average low-temperature of 55.2°F (12.9°C).Humidity
October is the least humid month in Helena, with an average relative humidity of 67%.Rainfall
In Helena, during October, the rain falls for 7.9 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Helena, Arkansas, during the entire year, the rain falls for 123 days and collects up to 16.02" (407mm) of precipitation.Snowfall
March through November are months without snowfall in Helena.Daylight
In October, the average length of the day is 11h and 18min.On the first day of the month, sunrise is at 6:57 am and sunset at 6:46 pm. On the last day of October, sunrise is at 7:22 am and sunset at 6:09 pm CDT.
Sunshine
The average sunshine in October is 6.5h.UV index
The average daily maximum UV index in October in Helena is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 4 in October translates into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Helena?
What is the least humid month in Helena?
What is the average humidity in October in Helena?
How many days does it rain in October in Helena?
When it does not 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 long on average sun shines in October in Helena?
What is the UV index intensity in October in Helena?
Average temperature in October
Helena, AR
- Average high temperature in October: 73.4°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in October: 55.2°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in October
Helena, AR
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Helena, AR
- Average wind speed in October: 7.3mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in October
Helena, AR
- Average humidity in October: 67%
The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in October
Helena, AR
- Average rainfall in October: 1.22"
The wettest month (with the highest rainfall) is April (1.89").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in October
Helena, AR
- Average rainfall days in October: 7.9 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in October
Helena, AR
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in October
Helena, AR
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Helena, AR
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in October: 6h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in October
Helena, AR
- Average sunshine days in October: 21.5 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in October
Helena, AR
- Average UV index in October: 4
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in October
Helena, AR
- Average cloud cover in October: 28
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in October
Helena, AR
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Helena, Arkansas, USA
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