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 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
On the advent of October, Millbrae's average high-temperature exhibits a minor adjustment to a comfortable 67.1°F (19.5°C) from September's 70.2°F (21.2°C). During October, the average low-temperature is recorded at a still refreshing 55.6°F (13.1°C).Humidity
The least humid month in Millbrae is October, with an average relative humidity of 70%.Rainfall
In Millbrae, in October, it is raining for 5.2 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, there are 81.5 rainfall days, and 12.8" (325mm) of precipitation is accumulated.Daylight
In October, the average length of the day is 11h and 13min.On the first day of the month, sunrise is at 7:05 am and sunset at 6:52 pm. On the last day of October, sunrise is at 7:34 am and sunset at 6:11 pm PDT.
Sunshine
In October, the average sunshine in Millbrae, California, is 7.1h.UV index
The average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In October, the UV index of 4 transforms into the following advice:
Take precautions - Protection against sunburn is recommended. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the average October temperature in Millbrae?
What is the least humid month in Millbrae?
What is the average humidity in October in Millbrae?
How much does it rain in Millbrae in October?
What is the average length of the day in October in Millbrae?
When is the sunrise / sunset in October in Millbrae?
How long on average sun shines in October in Millbrae?
How high is the UV index in October in Millbrae?
Average temperature in October
Millbrae, CA
- Average high temperature in October: 67.1°F
The warmest month (with the highest average high temperature) is September (70.2°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in October: 55.6°F
The month with the highest average low temperature is September (56.8°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).
Average pressure in October
Millbrae, CA
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in October
Millbrae, CA
- Average wind speed in October: 6.4mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is September (6.1mph).
Average humidity in October
Millbrae, CA
- Average humidity in October: 70%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Millbrae, CA
- Average rainfall in October: 0.67"
The wettest month (with the highest rainfall) is February (2.44").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in October
Millbrae, CA
- Average rainfall days in October: 5.2 days
The month with the highest number of rainy days is March (12.8 days).
The months with the least rainy days are June and July (2.4 days).
Average daylight in October /
Average sunshine in October
Millbrae, CA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 7h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in October
Millbrae, CA
- Average sunshine days in October: 24.2 days
The month with the most sunshine days is July (24.6 days).
The month with the least sunshine days is March (16.3 days).
Average UV index in October
Millbrae, CA
- Average UV index in October: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in October
Millbrae, CA
- Average cloud cover in October: 18
The month with the most cloud cover is March (Cloud cover 36).
The months with the least cloud cover are July and September (Cloud cover 15).
Average visibility in October
Millbrae, 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).
Millbrae, California, USA
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