Climate and monthly 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 January

January, like December, is a moderate winter month in Martinez, California, with an average temperature varying between 56.7°F (13.7°C) and 42.3°F (5.7°C). The advent of January denotes an average high-temperature of a still moderate 56.7°F (13.7°C), subtly different from December's 55.4°F (13°C). Weather in January »

Weather in February

The last month of the winter, February, is another mild month in Martinez, California, with an average temperature varying between 59.9°F (15.5°C) and 43°F (6.1°C). A minimal variation is noted in Martinez's average high-temperature at the onset of February, reaching a still mild 59.9°F (15.5°C) from January's 56.7°F (13.7°C). Weather in February »

Weather in March

March, the first month of the spring in Martinez, is a refreshing month, with an average temperature varying between 44.4°F (6.9°C) and 63.1°F (17.3°C). The arrival of March brings an average high-temperature of a still refreshing 63.1°F (17.3°C), nearly identical to February's 59.9°F (15.5°C). Weather in March »

Weather in April

April in Martinez, California, is an agreeable spring month, with an average temperature ranging between min 46.9°F (8.3°C) and max 68.5°F (20.3°C). The coming of April brings a minor shift in Martinez's weather, with average high-temperatures adjusting from March's refreshing 63.1°F (17.3°C) to a pleasant 68.5°F (20.3°C). Weather in April »

Weather in May

May, the last month of the spring in Martinez, is a moderately hot month, with an average temperature varying between 50.4°F (10.2°C) and 73.6°F (23.1°C). A minor adjustment in Martinez's average high-temperature is noted with the start of May, touching a warm 73.6°F (23.1°C) from April's 68.5°F (20.3°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Martinez, California, with an average temperature fluctuating between 55°F (12.8°C) and 81.3°F (27.4°C). The beginning of June signals a minor rise in the average high-temperature, moving from 73.6°F (23.1°C) in May to a still moderately hot 81.3°F (27.4°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Martinez, California, with an average temperature fluctuating between 84.2°F (29°C) and 56.1°F (13.4°C). Martinez witnesses the warmest weather in July, with temperatures averaging a high of 84.2°F (29°C) and a low of 56.1°F (13.4°C). The heat index for July is estimated at a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Martinez, California, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 83.8°F (28.8°C). Martinez experiences an average high-temperature of a still warm 83.8°F (28.8°C) in August, marking an insignificant shift from 84.2°F (29°C) in July. Weather in August »

Weather in September

September, the first month of the autumn in Martinez, is still a warm month, with an average temperature varying between 57.6°F (14.2°C) and 82.8°F (28.2°C). September reports an average high-temperature of a still moderately hot 82.8°F (28.2°C), slightly varied from August's 83.8°F (28.8°C). Weather in September »

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). 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). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Martinez, California, with an average temperature varying between 46.9°F (8.3°C) and 63.5°F (17.5°C). November brings a decrease in the average high-temperature, shifting from a moderately hot 74.7°F (23.7°C) in October to a refreshing 63.5°F (17.5°C). Weather in November »

Weather in December

December, the first month of the winter in Martinez, is still a mild month, with an average temperature fluctuating between 55.4°F (13°C) and 42.3°F (5.7°C). December tends to be the coldest month, with temperatures averaging a daily high of 55.4°F (13°C) and a low of 42.3°F (5.7°C). Weather in December »
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Frequently asked questions

How much does it rain in Martinez?

Throughout the year, in Martinez, California, there are 48.9 rainfall days, and 4.96" (126mm) of precipitation is accumulated.

What are the months with the lowest UV index in Martinez?

The months with the lowest UV index in Martinez are January, February, November and December, with an average maximum UV index of 3.

What is the rainiest month in Martinez?

The month with the most rainfall is February, when the rain falls for 5.6 days and typically aggregates up to 0.98" (25mm) of precipitation.

What is the most humid month in Martinez?

The most humid month in Martinez is March, with an average relative humidity of 74%.

When is Daylight Saving Time (DST) in Martinez?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Martinez, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days in Martinez?

With an average of 14h and 48min of daylight, June has the longest days of the year in Martinez, California.

What are the months with the highest UV index in Martinez?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Martinez?

In Martinez, July is the month with the highest recorded average temperatures, measuring a high of 84.2°F (29°C) and a low of 56.1°F (13.4°C).

What is the driest month in Martinez?

The months with the least rainfall are July and August Rain falls for 1.6 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Martinez?

July has the most sunshine of the year, with an average of 12h of sunshine.

What are the least humid months in Martinez?

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

What are the coldest months in Martinez?

December is the coldest month in Martinez, California, with an average high-temperature of 55.4°F (13°C) and an average low-temperature of 42.3°F (5.7°C).

What is the month with the shortest days in Martinez?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Martinez.

What is the month with the least sunshine in Martinez?

With an average of 5.7h of sunshine, December has the least sunshine of the year.

Average temperature
Martinez, CA

Average temperature - Martinez, CA

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).

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
Martinez, CA

Average pressure - Martinez, CA

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
Martinez, CA

Average wind speed - Martinez, CA

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
Martinez, CA

Average humidity - Martinez, CA

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
Martinez, CA

Average rainfall - Martinez, CA

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
Martinez, CA

Average rainfall days - Martinez, CA

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 / Average sunshine
Martinez, CA

Average daylight / Average sunshine - Martinez, CA

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).

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
Martinez, CA

Average sunshine days - Martinez, CA

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
Martinez, CA

Average UV index - Martinez, CA

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 visibility
Martinez, CA

Average visibility - Martinez, CA

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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