October weather forecastPacific Grove, CA
October
Weather in October
October, like September, is an agreeable autumn month in Pacific Grove, California, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 68.7°F (20.4°C).Temperature
Transitioning from September to October, Pacific Grove observes an average high-temperature of a still pleasant 68.7°F (20.4°C), differing subtly from the previous month. In Pacific Grove, the October nights cool down to an average low of 53.6°F (12°C).Humidity
In Pacific Grove, the average relative humidity in October is 69%.Rainfall
In Pacific Grove, in October, it is raining for 4.5 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 73.6 rainfall days, and 11.77" (299mm) of precipitation is accumulated.Ocean temperature
In Pacific Grove, in October, the average water temperature is 57.7°F (14.3°C).Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.
Daylight
In Pacific Grove, the average length of the day in October is 11h and 14min.On the first day of the month, sunrise is at 7:03 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:31 am and sunset at 6:11 pm PDT.
Sunshine
In Pacific Grove, the average sunshine in October is 7.2h.UV index
The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 in October translates into these instructions:
Exercise prevention - Warding off sunburn is urged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. 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
Pacific Grove, CA
- Average high temperature in October: 68.7°F
The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (57.2°F).
- Average low temperature in October: 53.6°F
The months with the highest average low temperature are August and September (55.2°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in October
Pacific Grove, 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
Pacific Grove, CA
- Average wind speed in October: 5.8mph
The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in October
Pacific Grove, CA
- Average humidity in October: 69%
The months with the highest relative humidity are March and May (76%).
The month with the lowest relative humidity is November (68%).
Average rainfall in October
Pacific Grove, CA
- Average rainfall in October: 0.47"
The wettest month (with the highest rainfall) is December (2.4").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in October
Pacific Grove, CA
- Average rainfall days in October: 4.5 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.1 days).
Average sea temperature in October
Pacific Grove, CA
- Average sea temperature in October: 57.8°F
The best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).
Average daylight in October /
Average sunshine in October
Pacific Grove, CA
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in October: 7h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in October
Pacific Grove, CA
- Average sunshine days in October: 25.4 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in October
Pacific Grove, CA
- Average UV index in October: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in October
Pacific Grove, CA
- Average cloud cover in October: 16
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in October
Pacific Grove, 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).





