October weather forecastHarrisburg, MO
October
Weather in October
October, the same as September, is another comfortable autumn month in Harrisburg, Missouri, with an average temperature varying between 65.5°F (18.6°C) and 47.7°F (8.7°C).Temperature
With October's onset, the weather shows a temperature decrease, transitioning from a warm 79.5°F (26.4°C) in September to a refreshing 65.5°F (18.6°C). Harrisburg experiences an average low-temperature of 47.7°F (8.7°C) in the month of October.Humidity
With an average relative humidity of 71%, October is the least humid month.Rainfall
In October, the rain falls for 7.5 days. Throughout October, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 95.5 rainfall days, and 8.62" (219mm) of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall in Harrisburg. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 17 snowfall days, and 1.93" (49mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 10min.On the first day of October, sunrise is at 7:06 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:09 pm CDT.
Sunshine
In Harrisburg, the average sunshine in October is 5.9h.UV index
In Harrisburg, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In October, a regular UV index of 3 translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Harrisburg, MO
- Average high temperature in October: 65.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in October: 47.7°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in October
Harrisburg, MO
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Harrisburg, MO
- Average wind speed in October: 8.2mph
The windiest months (with the highest average wind speed) are January and March (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in October
Harrisburg, MO
- Average humidity in October: 71%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Harrisburg, MO
- Average rainfall in October: 0.71"
The wettest month (with the highest rainfall) is May (1.3").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days in October
Harrisburg, MO
- Average rainfall days in October: 7.5 days
The months with the highest number of rainy days are April and May (11.3 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in October
Harrisburg, MO
- Average snowfall in October: 0.04"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in October
Harrisburg, MO
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Harrisburg, MO
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 5h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days in October
Harrisburg, MO
- Average sunshine days in October: 22.1 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is May (15.6 days).
Average UV index in October
Harrisburg, MO
- Average UV index in October: 3
The months with the highest UV index are 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
Harrisburg, MO
- Average cloud cover in October: 33
The months with the most cloud cover are January, February and March (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in October
Harrisburg, MO
- 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).





