October weather forecastGreencastle, IN
October
Weather in October
Greencastle's scenery transforms entirely in October. The tender sunlight beautifully illuminates the city's stunning fall colors, offering a picturesque spectacle. The temperatures continue to dwindle, making room for chilly mornings and evenings. The rainfall is relatively low at 0.83" (21mm), proliferating 'feel-good' moments under the open sky. Wind speed increases, turning the rustling of fallen leaves into a common autumn serenade.Temperature
Greencastle in October experiences a subtle temperature decline, with average high-temperatures reducing from a warm 75.9°F (24.4°C) in September to a comfortable 63.3°F (17.4°C). Greencastle reports an average nighttime low-temperature of 46.9°F (8.3°C) in October.Humidity
The least humid month is October, with an average relative humidity of 74%.Rainfall
In Greencastle, in October, during 8.5 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Greencastle, Indiana, during the entire year, the rain falls for 118.9 days and collects up to 12.13" (308mm) of precipitation.Snowfall
In Greencastle, snow does not fall in May through October.Daylight
In Greencastle, the average length of the day in October is 11h and 8min.On the first day of the month, sunrise is at 7:44 am and sunset at 7:29 pm. On the last day of October, sunrise is at 8:15 am and sunset at 6:46 pm EDT.
Sunshine
The average sunshine in October is 6.8h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In October, the maximum UV index of 2 transforms into these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Greencastle, IN
- Average high temperature in October: 63.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in October: 46.9°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in October
Greencastle, IN
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Greencastle, IN
- Average wind speed in October: 8.5mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in October
Greencastle, IN
- Average humidity in October: 74%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Greencastle, IN
- Average rainfall in October: 0.83"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in October
Greencastle, IN
- Average rainfall days in October: 8.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in October
Greencastle, IN
- Average snowfall in October: 0"
The month with the highest snowfall is December (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Greencastle, IN
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Greencastle, IN
- Average daylight in October: 11h and 6min
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 24min).
- Average sunshine in October: 6h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in October
Greencastle, IN
- Average sunshine days in October: 20.4 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in October
Greencastle, IN
- Average UV index in October: 2
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, October, November and December (UV index 2).
Average cloud cover in October
Greencastle, IN
- Average cloud cover in October: 36
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in October
Greencastle, IN
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
