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 shift to October brings a decrease in the average high-temperature, falling from a moderately hot 78.8°F (26°C) in September to a comfortable 66.6°F (19.2°C). Throughout October, the temperature in Petersburg tends to fall to a consistent average low of 48.9°F (9.4°C).Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In Petersburg, in October, during 10.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 151.2 rainfall days, and 26.3" (668mm) of precipitation is accumulated.Snowfall
In Petersburg, snow does not fall in May through October.Daylight
In Petersburg, the average length of the day in October is 11h and 11min.On the first day of October, sunrise is at 7:45 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 8:15 am and sunset at 6:50 pm EDT.
Sunshine
In October, the average sunshine is 7.2h.UV index
In Petersburg, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 3 in October suggests the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October in Petersburg?
When it does not snow?
Does it snow in October?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
Petersburg, IN
- Average high temperature in October: 66.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in October: 48.9°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in October
Petersburg, IN
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Petersburg, IN
- Average wind speed in October: 8mph
The windiest months (with the highest average wind speed) are January, February and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in October
Petersburg, IN
- Average humidity in October: 71%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Petersburg, IN
- Average rainfall in October: 1.85"
The wettest month (with the highest rainfall) is April (3.19").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in October
Petersburg, IN
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in October
Petersburg, IN
- Average snowfall in October: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Petersburg, IN
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (6.8 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
Petersburg, IN
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 7h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in October
Petersburg, IN
- Average sunshine days in October: 18.7 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in October
Petersburg, IN
- Average UV index in October: 3
The months with the highest UV index are May, 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
Petersburg, IN
- Average cloud cover in October: 34
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in October
Petersburg, IN
- 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).
Petersburg, Indiana, USA
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