October weather forecast
Martinez, CA

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A cow grazing in the vast Martinez Hills
A cow grazing in the vast Martinez Hills' fields near Martinez Town, California

Weather in October

October, the same as September, is another warm autumn month in Martinez, California, with an average temperature fluctuating between 54.3°F (12.4°C) and 74.7°F (23.7°C).

Temperature

October reveals a small adjustment in temperature, transitioning from an average high of 82.8°F (28.2°C) in September to a still warm 74.7°F (23.7°C). The month of October records an average low-temperature of 54.3°F (12.4°C).

Humidity

The months with the lowest humidity in Martinez are September and October, with an average relative humidity of 56%.

Rainfall

In Martinez, during October, the rain falls for 2.7 days and regularly aggregates up to 0.28" (7mm) of precipitation. Throughout the year, there are 48.9 rainfall days, and 4.96" (126mm) of precipitation is accumulated.

Daylight

The average length of the day in October is 11h and 11min.
On the first day of the month, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of October, in Martinez, sunrise is at 7:34 am and sunset at 6:10 pm PDT.

Sunshine

In Martinez, the average sunshine in October 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 unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 4 in October leads to these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What is the average October temperature in Martinez?

In Martinez, in October, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 54.3°F (12.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in September is estimated at 84.2°F (29°C).

What are the least humid months in Martinez?

September and October, with an average relative humidity of 56%, are the least humid months in Martinez, California.

What is the average humidity in October in Martinez?

The average relative humidity in October in Martinez is 56%.

How many days does it rain in October in Martinez?

In Martinez, California, during October, the rain falls for 2.7 days and regularly aggregates up to 0.28" (7mm) of precipitation.

What is the average length of the day in October in Martinez?

The average day length in October in Martinez, California, is 11h and 11min.

When are sunrise and sunset in October in Martinez?

In October, on the first day of the month, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, in Martinez, sunrise is at 7:34 am and sunset at 6:10 pm PDT.

How long on average sun shines in October in Martinez?

In Martinez, the average sunshine duration in October is 7.1h.

How high is the UV index in October in Martinez?

In October, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Martinez, CA

Average temperature in October - Martinez, CA
  • Average high temperature in October: 74.7°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in October: 54.3°F

The month with the highest average low temperature is September (57.6°F).
The coldest months (with the lowest average low temperature) are January and December (42.3°F).

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Average pressure in October
Martinez, CA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in October
Martinez, CA

Average wind speed in October - Martinez, CA
  • Average wind speed in October: 5.2mph

The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

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Average humidity in October
Martinez, CA

Average humidity in October - Martinez, CA
  • Average humidity in October: 56%

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (56%).

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Average rainfall in October
Martinez, CA

Average rainfall in October - Martinez, CA
  • Average rainfall in October: 0.28"

The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in October
Martinez, CA

Average rainfall days in October - Martinez, CA
  • Average rainfall days in October: 2.7 days

The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is August (1 days).

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

Average daylight in October / Average sunshine in October - Martinez, 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 1min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in October
Martinez, CA

Average sunshine days in October - Martinez, CA
  • Average sunshine days in October: 27.9 days

The month with the most sunshine days is July (29 days).
The months with the least sunshine days are February and March (22.1 days).

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Average UV index in October
Martinez, CA

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

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

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Average cloud cover in October
Martinez, CA

Average cloud cover in October - Martinez, CA
  • Average cloud cover in October: 17

The months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in October
Martinez, CA

Average visibility in October - Martinez, 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).

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Martinez, California, USA

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