October weather forecast
Fremont, CA

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A beautiful landscape of winding roads and serene residential estate in Fremont, California
A beautiful landscape of winding roads and serene residential estate in Fremont, California

Weather in October

October in Fremont is generally characterized by mild weather. The temperatures decrease further, making for cooler days and nights. Cloud cover begins to increase, and wind speeds continue their downward trend. While the city experiences fewer sunshine hours, the beauty of fall in full swing is a sight to behold. However, the month sees a significant rise in rainfall compared to the previous month, with an average rainfall of 0.2" (5mm).

Temperature

With the arrival of October, Fremont notices a mild change in the average high-temperature, sliding from September's moderately hot 80.6°F (27°C) to an agreeable 72.9°F (22.7°C). An average temperature of 53.1°F (11.7°C) marks the nights in October.

Humidity

In Fremont, the average relative humidity in October is 60%.

Rainfall

In Fremont, in October, during 2.5 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 49.6 rainfall days, and 3.86" (98mm) of precipitation is accumulated.

Ocean temperature

In Fremont, the average seawater temperature in October is 57°F (13.9°C).
Note: Dipping in 57°F (13.9°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.

Daylight

In October, the average length of the day is 11h and 13min.
On the first day of October, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:10 pm PDT.

Sunshine

In October, the average sunshine is 7.1h.

UV index

The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 4 in October leads to these recommendations:
Act with care - The need to guard against sun damage is communicated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

Fremont in October has an average high-temperature of 72.9°F (22.7°C) and an average low-temperature of 53.1°F (11.7°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is calculated to be 82.4°F (28°C).

What is the average humidity in October?

In Fremont, the average relative humidity in October is 60%.

How much does it rain in October?

In October, the rain falls for 2.5 days. Throughout October, 0.2" (5mm) of precipitation is accumulated.

What is the ocean temperature in October?

In Fremont, in October, the average water temperature is 57°F (13.9°C). 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.

What is the average length of the day in October?

In October, the average day length in Fremont is 11h and 13min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:10 pm PDT.

How long on average sun shines in October?

In October, the average sunshine duration is 7.1h.

What is the UV index intensity in October in Fremont?

The average daily maximum UV index in October in Fremont is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Fremont, CA

Average temperature in October - Fremont, CA
  • Average high temperature in October: 72.9°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in October: 53.1°F

The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).

Average pressure in October
Fremont, CA

Average pressure in October - Fremont, CA
  • Average pressure in October: 29.98"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

Average wind speed in October
Fremont, CA

Average wind speed in October - Fremont, CA
  • Average wind speed in October: 4.5mph

The windiest month (with the highest average wind speed) is May (6.1mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).

Average humidity in October
Fremont, CA

Average humidity in October - Fremont, CA
  • Average humidity in October: 60%

The month with the highest relative humidity is March (72%).
The months with the lowest relative humidity are July and September (59%).

Average rainfall in October
Fremont, CA

Average rainfall in October - Fremont, CA
  • Average rainfall in October: 0.2"

The wettest months (with the highest rainfall) are January, February, March and December (0.67").
The driest months (with the least rainfall) are June, July and August (0.04").

Average rainfall days in October
Fremont, CA

Average rainfall days in October - Fremont, CA
  • Average rainfall days in October: 2.5 days

The month with the highest number of rainy days is March (8.9 days).
The month with the least rainy days is August (0.5 days).

Average sea temperature in October
Fremont, CA

Average sea temperature in October - Fremont, CA
  • Average sea temperature in October: 57°F

The best month for swimming (with the highest average sea temperature) is August (57.7°F).
The coldest months (with the lowest average sea temperature) are February and April (53.2°F).

Average daylight in October /
Average sunshine in October
Fremont, CA

Average daylight in October / Average sunshine in October - Fremont, 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: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

Average sunshine days in October
Fremont, CA

Average sunshine days in October - Fremont, CA
  • Average sunshine days in October: 27.6 days

The month with the most sunshine days is July (30 days).
The month with the least sunshine days is March (20.7 days).

Average UV index in October
Fremont, CA

Average UV index in October - Fremont, CA
  • Average UV index in October: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in October
Fremont, CA

Average cloud cover in October - Fremont, CA
  • Average cloud cover in October: 16

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 6).

Average visibility in October
Fremont, CA

Average visibility in October - Fremont, 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).

Fremont, California, USA

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