Climate and monthly weather forecast
Larkspur, CA

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Weather in January

January, like December, is another refreshing winter month in Larkspur, California, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 56.1°F (13.4°C). The advent of January denotes an average high-temperature of a still moderate 56.1°F (13.4°C), subtly different from December's 55.4°F (13°C). Weather in January »

Weather in February

February, the last month of the winter in Larkspur, is another refreshing month, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 45.9°F (7.7°C). The transition into February marks the average high-temperature at a still refreshing 57.9°F (14.4°C), differing minimally from January's 56.1°F (13.4°C). Weather in February »

Weather in March

The first month of the spring, March, is still a refreshing month in Larkspur, California, with an average temperature fluctuating between 59.4°F (15.2°C) and 46.9°F (8.3°C). The high-temperature average in March for Larkspur is a still refreshing 59.4°F (15.2°C), staying closely aligned with February's conditions. Weather in March »

Weather in April

April is a comfortable spring month in Larkspur, California, with an average temperature fluctuating between 48.6°F (9.2°C) and 62.8°F (17.1°C). Larkspur greets April with an average high-temperature of a still refreshing 62.8°F (17.1°C), marking a slight deviation from the preceding month. Weather in April »

Weather in May

The last month of the spring, May, is also an enjoyable month in Larkspur, California, with an average temperature varying between 50.4°F (10.2°C) and 64.9°F (18.3°C). Larkspur marks the onset of May with an average high-temperature of a still enjoyable 64.9°F (18.3°C), subtly divergent from April's 62.8°F (17.1°C). Weather in May »

Weather in June

June, the first month of the summer in Larkspur, is an agreeable month, with an average temperature fluctuating between 53.2°F (11.8°C) and 69.1°F (20.6°C). The ushering in of June brings an average high-temperature of a pleasant 69.1°F (20.6°C), closely mirroring the 64.9°F (18.3°C) of May. Weather in June »

Weather in July

July, like June, is another pleasant summer month in Larkspur, California, with an average temperature varying between 70.5°F (21.4°C) and 54.3°F (12.4°C). With July's arrival, Larkspur's weather records an average high-temperature of a still pleasant 70.5°F (21.4°C), marking little difference from June's 69.1°F (20.6°C). Weather in July »

Weather in August

The last month of the summer, August, is another pleasant month in Larkspur, California, with an average temperature ranging between min 55.4°F (13°C) and max 71.2°F (21.8°C). Shifting into August, Larkspur records an average high-temperature of a still pleasant 71.2°F (21.8°C), presenting minor fluctuations compared to the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Larkspur, is still a pleasant month, with an average temperature varying between 56.1°F (13.4°C) and 72.3°F (22.4°C). The warmest period tends to be September, when average temperatures fluctuate between a high of 72.3°F (22.4°C) and a low of 56.1°F (13.4°C). Weather in September »

Weather in October

October, the same as September, in Larkspur, California, is an agreeable autumn month, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 68.9°F (20.5°C). Larkspur's weather in October displays an average high-temperature of a still agreeable 68.9°F (20.5°C), showing minor disparity from September's 72.3°F (22.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Larkspur, California, with an average temperature fluctuating between 61.5°F (16.4°C) and 49.6°F (9.8°C). November implies a soft temperature shift, with average high-temperatures reducing from October's agreeable 68.9°F (20.5°C) to a refreshing 61.5°F (16.4°C). Weather in November »

Weather in December

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

Frequently asked questions

How many days does it rain?

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

What are the months with the lowest UV index?

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

What is the rainiest month?

February is the month with the most rainfall. Rain falls for 5.3 days and accumulates 0.87" (22mm) of precipitation.

What is the most humid month?

The most humid month is March, with an average relative humidity of 77%.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 is the highest UV index?

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?

The 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?

The month with the longest days is June, with an average of 14h and 48min of daylight.

What month has the most sunshine?

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

What month is the hottest?

In Larkspur, the average highest temperatures are observed in September, with a high of 72.3°F (22.4°C) and a low of 56.1°F (13.4°C).

What is the least humid month?

The least humid month in Larkspur is October, with an average relative humidity of 68%.

What is the coldest month?

December, noted for its average high-temperature of 55.4°F (13°C) and an average low-temperature of 45.3°F (7.4°C), is considered the coldest month.

What is the month with the shortest days?

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

What is the month with the least sunshine?

The month with the least sunshine in Larkspur 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).

Average pressure
Larkspur, CA

Average pressure - Larkspur, CA

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
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).

Average humidity
Larkspur, CA

Average humidity - Larkspur, CA

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).

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").

Average rainfall days
Larkspur, CA

Average rainfall days - Larkspur, CA

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

Average daylight / Average sunshine
Larkspur, CA

Average daylight / Average sunshine - Larkspur, 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: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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).

Average UV index
Larkspur, CA

Average UV index - Larkspur, CA

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

Average visibility
Larkspur, CA

Average visibility - Larkspur, 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).

Larkspur, California, USA

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