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 involves a decrease in the average high-temperature, from a moderately hot 85.1°F (29.5°C) to a still warm 73.6°F (23.1°C). Columbia records a marked divergence from the day's high temperatures, with nights in October averaging at a fresh 51.4°F (10.8°C).Humidity
In October, the average relative humidity is 43%.Rainfall
In Columbia, in October, during 4.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 76.7 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In October, the average length of the day is 11h and 11min.On the first day of the month, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of October, sunrise is at 7:27 am and sunset at 6:03 pm PDT.
Sunshine
In Columbia, the average sunshine in October is 7.5h.UV index
In October, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during October translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the average humidity in October?
How many days does it rain in October?
When it does not snow?
Does it snow in October?
How many hours of daylight does Columbia have in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index intensity in October?
Average temperature in October
Columbia, CA
- Average high temperature in October: 73.6°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (52.9°F).
- Average low temperature in October: 51.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in October
Columbia, CA
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Columbia, CA
- Average wind speed in October: 5.2mph
The windiest months (with the highest average wind speed) are February, March and April (5.7mph).
The calmest months (with the lowest average wind speed) are November and December (4.7mph).
Average humidity in October
Columbia, CA
- Average humidity in October: 43%
The month with the highest relative humidity is March (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall in October
Columbia, CA
- Average rainfall in October: 1.02"
The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
Columbia, CA
- Average rainfall days in October: 4.1 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.4 days).
Average snowfall in October
Columbia, CA
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Columbia, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Columbia, CA
- 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 36min).
- Average sunshine in October: 7h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in October
Columbia, CA
- Average sunshine days in October: 26.3 days
The months with the most sunshine days are July and August (28.4 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in October
Columbia, CA
- Average UV index in October: 4
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in October
Columbia, CA
- Average cloud cover in October: 13
The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in October
Columbia, CA
- 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).
Columbia, California, USA
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