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 arrival of October is marked by a notable decrease in high-temperatures, falling from a moderately hot 76.8°F (24.9°C) in September to a mild 58.5°F (14.7°C). The nighttime temperature, during October, averages of 42.8°F (6°C).Humidity
In Harrold, the average relative humidity in October is 59%.Rainfall
In Harrold, during October, the rain falls for 7.5 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, in Harrold, there are 98.5 rainfall days, and 13.7" (348mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 1.5 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, there are 41.4 snowfall days, and 13.07" (332mm) of snow is accumulated.Daylight
The average length of the day in October in Harrold is 10h and 58min.On the first day of the month, sunrise is at 7:37 am and sunset at 7:18 pm. On the last day of October, sunrise is at 8:16 am and sunset at 6:28 pm CDT.
Sunshine
In October, the average sunshine is 7h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In October, the maximum UV index of 3 suggests these recommendations:
Take precautions - Protection against skin and eye damage is obliged. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in Harrold?
What is the average humidity in October in Harrold?
How much does it rain in Harrold in October?
When does it start to snow in Harrold?
What is the average length of the day in October in Harrold?
When is the sunrise / sunset in October in Harrold?
How many hours of sunshine does Harrold have in October?
What is the UV index reading in October in Harrold?
Average temperature in October
Harrold, SD
- Average high temperature in October: 58.5°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in October: 42.8°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in October
Harrold, SD
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in October
Harrold, SD
- Average wind speed in October: 11.6mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest months (with the lowest average wind speed) are February and August (9.9mph).
Average humidity in October
Harrold, SD
- Average humidity in October: 59%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (52%).
Average rainfall in October
Harrold, SD
- Average rainfall in October: 0.98"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in October
Harrold, SD
- Average rainfall days in October: 7.5 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in October
Harrold, SD
- Average snowfall in October: 0.31"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Harrold, SD
- Average snowfall days in October: 1.5 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Harrold, SD
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in October: 7h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in October
Harrold, SD
- Average sunshine days in October: 21.3 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is June (13.7 days).
Average UV index in October
Harrold, SD
- Average UV index in October: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in October
Harrold, SD
- Average cloud cover in October: 30
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in October
Harrold, SD
- 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).
Harrold, South Dakota, USA
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