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 commencement of October involves a temperature shift, with the average high-temperature dropping from a moderately hot 77.5°F (25.3°C) in September to a refreshing 63.5°F (17.5°C). The nighttime temperature dips to a frosty 46.4°F (8°C) on average during October.Humidity
October and November, with an average relative humidity of 70%, are the least humid months.Rainfall
In Union Star, in October, during 9.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Union Star, during the entire year, the rain falls for 132.3 days and collects up to 27.28" (693mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.71" (18mm) of snow. Throughout the year, there are 25.5 snowfall days, and 10.91" (277mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 8min.On the first day of October, sunrise is at 7:15 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 6:16 pm CDT.
Sunshine
The average sunshine in October is 6.1h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during October leads to these instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What are the least humid months?
What is the average humidity in October?
How much does it rain in October?
When does it start to snow?
How many hours of daylight does Union Star have in October?
What time are sunrise and sunset in October in Union Star?
How long on average sun shines in October?
What is the UV index intensity in October?
Average temperature in October
Union Star, MO
- Average high temperature in October: 63.5°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in October: 46.4°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in October
Union Star, MO
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in October
Union Star, MO
- Average wind speed in October: 8.7mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in October
Union Star, MO
- Average humidity in October: 70%
The month with the highest relative humidity is June (79%).
The months with the lowest relative humidity are October and November (70%).
Average rainfall in October
Union Star, MO
- Average rainfall in October: 2.05"
The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January and February (0.94").
Average rainfall days in October
Union Star, MO
- Average rainfall days in October: 9.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in October
Union Star, MO
- Average snowfall in October: 0.71"
The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Union Star, MO
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Union Star, MO
- 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: 6h and 1min
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 48min).
Average sunshine days in October
Union Star, MO
- Average sunshine days in October: 19.6 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in October
Union Star, MO
- 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
Union Star, MO
- Average cloud cover in October: 32
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in October
Union Star, MO
- 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).
Union Star, Missouri, USA
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