October weather forecastColumbia, CT
October
Weather in October
October, the same as September, is another comfortable autumn month in Columbia, Connecticut, with an average temperature varying between 61°F (16.1°C) and 46.4°F (8°C).Temperature
October's onset brings a reduction in the average high-temperature, from an agreeable 73.2°F (22.9°C) in September to an enjoyable 61°F (16.1°C). October is noted for a mean low-temperature of 46.4°F (8°C).Humidity
The months with the highest humidity are February and October, with an average relative humidity of 79%.Rainfall
In Columbia, during October, the rain falls for 14.2 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, in Columbia, there are 164.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in October in Columbia is 11h and 4min.On the first day of October, sunrise is at 6:46 am and sunset at 6:30 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:44 pm EDT.
Sunshine
In October, the average sunshine is 5.8h.UV index
In October, the average daily maximum UV index in Columbia is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In October, the maximum UV index of 3 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Columbia, CT
- Average high temperature in October: 61°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in October: 46.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in October
Columbia, CT
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Columbia, CT
- Average wind speed in October: 7.4mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in October
Columbia, CT
- Average humidity in October: 79%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in October
Columbia, CT
- Average rainfall in October: 3.07"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in October
Columbia, CT
- Average rainfall days in October: 14.2 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in October
Columbia, CT
- Average snowfall in October: 0"
The month with the highest snowfall is March (4.41").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Columbia, CT
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (8.3 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
Columbia, CT
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in October
Columbia, CT
- Average sunshine days in October: 14.5 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in October
Columbia, CT
- 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, March, November and December (UV index 2).
Average cloud cover in October
Columbia, CT
- Average cloud cover in October: 43
The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in October
Columbia, CT
- Average visibility in October: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
