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 from September to October corresponds with a decrease in the average high-temperature, down to an enjoyable 63.1°F (17.3°C) from a moderately hot 76.5°F (24.7°C). During the month of October, the nighttime temperature in San Jose falls to an average of 46.9°F (8.3°C).Humidity
October is the least humid month in San Jose, with an average relative humidity of 71%.Rainfall
In San Jose, during October, the rain falls for 9.8 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, there are 131.4 rainfall days, and 20.08" (510mm) of precipitation is accumulated.Snowfall
In San Jose, snow does not fall in May through October.Daylight
In October, the average length of the day is 11h and 7min.On the first day of the month, sunrise is at 6:55 am and sunset at 6:40 pm. On the last day of October, sunrise is at 7:27 am and sunset at 5:56 pm CDT.
Sunshine
The average sunshine in October in San Jose is 5.8h.UV index
The average daily maximum UV index in October in San Jose, Illinois, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In October, a daily UV index of 3 turns into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the usual temperature for San Jose in October?
What is the least humid month in San Jose?
What is the average humidity in October in San Jose?
How many days does it rain in October in San Jose?
When it does not snow in San Jose?
Does it snow in San Jose in October?
How many hours of daylight does San Jose have in October?
When are sunrise and sunset in October in San Jose?
How many hours of sunshine does San Jose have in October?
What is the UV index reading in October in San Jose?
Average temperature in October
San Jose, IL
- Average high temperature in October: 63.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in October: 46.9°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 (19.8°F).
Average pressure in October
San Jose, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
San Jose, IL
- Average wind speed in October: 9.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
San Jose, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
San Jose, IL
- Average rainfall in October: 1.61"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in October
San Jose, IL
- Average rainfall days in October: 9.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in October
San Jose, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
San Jose, IL
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (8.4 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
San Jose, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 5h and 5min
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 0min).
Average sunshine days in October
San Jose, IL
- Average sunshine days in October: 19.4 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in October
San Jose, IL
- 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
San Jose, IL
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in October
San Jose, IL
- 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).
San Jose, Illinois, USA
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