Monthly weather forecast and climate
Larkspur, CA

Weather in January

January, the same as December, in Larkspur, California, is a moderate winter month, with average temperature ranging between max 56.1°F (13.4°C) and min 45.5°F (7.5°C). In Larkspur, the average high-temperature is relatively the same as in December - a still mild 56.1°F (13.4°C). Weather in January »

Weather in February

The last month of the winter, February, is another mild month in Larkspur, California, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 57.9°F (14.4°C). In Larkspur, the average high-temperature in February is relatively the same as in January - a still moderate 57.9°F (14.4°C). Weather in February »

Weather in March

March, the first month of the spring, in Larkspur, is also a moderate month, with average temperature ranging between min 46.9°F (8.3°C) and max 59.4°F (15.2°C). In March, the average high-temperature is almost the same as in February - a still mild 59.4°F (15.2°C). Weather in March »

Weather in April

April in Larkspur, California, is a comfortable spring month, with average temperature fluctuating between 48.6°F (9.2°C) and 62.8°F (17.1°C). In Larkspur, the average high-temperature is relatively the same as in March - a comfortable 62.8°F (17.1°C). Weather in April »

Weather in May

May, the last month of the spring, in Larkspur, is also an enjoyable month, with average temperature ranging between min 50.4°F (10.2°C) and max 64.9°F (18.3°C). In Larkspur, the average high-temperature in May is practically the same as in April - a still enjoyable 64.9°F (18.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Larkspur, is an agreeable month, with average temperature fluctuating between 53.2°F (11.8°C) and 69.1°F (20.6°C). In Larkspur, the average high-temperature is relatively the same as in May - an agreeable 69.1°F (20.6°C). Weather in June »

Weather in July

July, the same as June, in Larkspur, California, is another pleasant summer month, with average temperature varying between 70.5°F (21.4°C) and 54.3°F (12.4°C). In July, the average high-temperature is relatively the same as in June - a still pleasant 70.5°F (21.4°C). Weather in July »

Weather in August

August, the last month of the summer, in Larkspur, is also an agreeable month, with average temperature varying between 71.2°F (21.8°C) and 55.4°F (13°C). In Larkspur, the average high-temperature is almost the same as in July - a still pleasant 71.2°F (21.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Larkspur, California, with average temperature varying between 72.3°F (22.4°C) and 56.1°F (13.4°C). September is the warmest month, with an average high-temperature of 72.3°F (22.4°C) and an average low-temperature of 56.1°F (13.4°C). Weather in September »

Weather in October

October, the same as September, in Larkspur, California, is another pleasant autumn month, with average temperature ranging between max 68.9°F (20.5°C) and min 54.3°F (12.4°C). In October, the average high-temperature is relatively the same as in September - a still agreeable 68.9°F (20.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Larkspur, California, with average temperature fluctuating between 49.6°F (9.8°C) and 61.5°F (16.4°C). In November, the average high-temperature marginally drops, from an agreeable 68.9°F (20.5°C) in October, to a comfortable 61.5°F (16.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in Larkspur, California, with average temperature fluctuating between 45.3°F (7.4°C) and 55.4°F (13°C). December is the coldest month, with an average high-temperature of 55.4°F (13°C) and an average low-temperature of 45.3°F (7.4°C). Weather in December »
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FAQ

How much does it rain in Larkspur?

In Larkspur, California, during the entire year, the rain falls for 48 days and collects up to 3.94" (100mm) of precipitation.

What is the month with the lowest UV index in Larkspur?

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

What is the rainiest month in Larkspur?

The month with the most rainfall in Larkspur is February when the rain falls for 5.3 days and typically aggregates up to 0.87" (22mm) of precipitation.

What is the most humid month in Larkspur?

March is the most humid month in Larkspur, with an average relative humidity of 77%.

What is the month with the highest UV index in Larkspur?

April, June through September, with an average maximum UV index of 5, are months with the highest UV index.

What is the driest month in Larkspur?

Months with the least rainfall are June through September Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.

When are the longest days in Larkspur?

The month with the longest days is June, with an average of 14.8h of daylight.

What month has the most sunshine in Larkspur?

With an average of 11.2h of sunshine, July has the most sunshine of the year in Larkspur, California.

What is the warmest month in Larkspur?

The warmest month in Larkspur, California, is September, with an average high-temperature of 72.3°F (22.4°C) and an average low-temperature of 56.1°F (13.4°C).

What is the least humid month in Larkspur?

With an average relative humidity of 68%, October is the least humid month.

What is the coldest month in Larkspur?

With an average high-temperature of 55.4°F (13°C) and an average low-temperature of 45.3°F (7.4°C), December is the coldest month in Larkspur, California.

What is the month with the shortest days in Larkspur?

December has the shortest days of the year in Larkspur, with an average of 9.6h of daylight.

What is the month with the least sunshine in Larkspur?

The month with the least sunshine is December, with an average of 5.5h of sunshine.

Average temperature
Larkspur, CA

Average temperature - Larkspur, CA

The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).

The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).

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Average pressure
Larkspur, CA

Average pressure - Larkspur, CA

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

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Average wind speed
Larkspur, CA

Average wind speed - Larkspur, CA

The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).

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Average rainfall
Larkspur, CA

Average rainfall - Larkspur, CA

The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").

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Average rainfall days
Larkspur, CA

Average rainfall days - Larkspur, CA

The month with the highest number of rainy days is March (8.8 days).
Months with the least rainy days are June and August (1.2 days).

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Average daylight / Average sunshine
Larkspur, CA

Average daylight / Average sunshine - Larkspur, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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Average sunshine days
Larkspur, CA

Average sunshine days - Larkspur, CA

The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).

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Average UV index
Larkspur, CA

Average UV index - Larkspur, CA

Months with the highest UV index are April, June, July, August and September (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Larkspur, CA

Average visibility - Larkspur, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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