October weather forecastHarper, IN
October
Weather in October
October, the same as September, is another enjoyable autumn month in Harper, Indiana, with an average temperature varying between 64°F (17.8°C) and 47.1°F (8.4°C).Temperature
Onset of October comes with a temperature decline, the average high falling from a moderately hot 76.3°F (24.6°C) in September to a comfortable 64°F (17.8°C). Throughout October, Harper witnesses a consistent average low-temperature of 47.1°F (8.4°C).Humidity
The least humid month is October, with an average relative humidity of 74%.Rainfall
In Harper, in October, during 10 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 137.6 rainfall days, and 17.99" (457mm) of precipitation is accumulated.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 0.24" (6mm) of snow. In Harper, during the entire year, snow falls for 29.3 days and aggregates up to 5.35" (136mm) of snow.Daylight
In Harper, the average length of the day in October is 11h and 10min.On the first day of October, sunrise is at 7:39 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 6:42 pm EDT.
Sunshine
In October, the average sunshine is 6.8h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In October, the UV index of 3 transforms into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Caution! The reflection of snow can nearly 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
Harper, IN
- Average high temperature in October: 64°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in October: 47.1°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in October
Harper, IN
- Average pressure in October: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Harper, IN
- Average wind speed in October: 7.6mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in October
Harper, IN
- Average humidity in October: 74%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Harper, IN
- Average rainfall in October: 1.46"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in October
Harper, IN
- Average rainfall days in October: 10 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in October
Harper, IN
- Average snowfall in October: 0.24"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Harper, IN
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is February (7.3 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
Harper, IN
- 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: 6h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Harper, IN
- Average sunshine days in October: 18.7 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in October
Harper, IN
- Average UV index in October: 3
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
Harper, IN
- Average cloud cover in October: 36
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in October
Harper, IN
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
