Half Moon Bay
California, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Half Moon Bay, CA

A warm and sunny day on a scenic beach in Half Moon Bay, California
A warm and sunny day on a scenic beach in Half Moon Bay, California
October, the same as September, is another enjoyable autumn month in Half Moon Bay, California, with average temperature varying between 65.8°F (18.8°C) and 48.4°F (9.1°C).

Temperature

In October, the average high-temperature is almost the same as in September - a still comfortable 65.8°F (18.8°C). In October, in Half Moon Bay, the average low-temperature is 48.4°F (9.1°C).

Rainfall

In October, the rain falls for 6 days. Throughout October, 1.6" (40.4mm) of precipitation is accumulated. In Half Moon Bay, California, during the entire year, the rain falls for 87 days and collects up to 26.2" (664.6mm) of precipitation.

Daylight

In October, the average length of the day in Half Moon Bay, California, is 11.2h.

What is the temperature in October in Half Moon Bay?

In Half Moon Bay, California, in October, the average high-temperature is 65.8°F (18.8°C), and the average low-temperature is 48.4°F (9.1°C).

How much does it rain in Half Moon Bay in October?

In Half Moon Bay, during October, the rain falls for 6 days and regularly aggregates up to 1.6" (40.4mm) of precipitation.

What is the average length of the day in October in Half Moon Bay?

In October, the average length of the day in Half Moon Bay is 11.2h.
Average temperature in October - Half Moon Bay, CA
  • Average high temperature in October: 65.8°F

The warmest month (with the highest average high temperature) is September (66.8°F).
The month with the lowest average high temperature is January (58.4°F).

  • Average low temperature in October: 48.3°F

The month with the highest average low temperature is August (52.7°F).
The coldest month (with the lowest average low temperature) is January (42.9°F).

Average rainfall in October - Half Moon Bay, CA
  • Average rainfall in October: 1.6"

The wettest month (with the highest rainfall) is January (5.2").
The driest month (with the lowest rainfall) is July (0.1").

Average rainfall days in October - Half Moon Bay, CA
  • Average rainfall days in October: 6 days

The month with the highest number of rainy days is January (12 days).
The month with the lowest number of rainy days is June (3 days).

Average daylight in October - Half Moon Bay, CA
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).