Climate and monthly weather forecast
Lafayette, CA

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Weather in January

January in Lafayette, California, is a moderate winter month, with an average temperature varying between 43.3°F (6.3°C) and 56.5°F (13.6°C). Lafayette transitions into January recording an average high-temperature of a mild 56.5°F (13.6°C), closely aligning with the preceding month's temperature. Weather in January »

Weather in February

The last month of the winter, February, is another mild month in Lafayette, California, with an average temperature fluctuating between 44.1°F (6.7°C) and 59.4°F (15.2°C). January's transformation into February witnesses an average high-temperature of a still mild 59.4°F (15.2°C), noting a minor change from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Lafayette, is a comfortable month, with an average temperature ranging between min 45.1°F (7.3°C) and max 61.7°F (16.5°C). March's beginning signals an average high-temperature of an enjoyable 61.7°F (16.5°C), barely different from February's 59.4°F (15.2°C). Weather in March »

Weather in April

April, the same as March, is another enjoyable spring month in Lafayette, California, with an average temperature fluctuating between 66.7°F (19.3°C) and 47.3°F (8.5°C). April brings a marginal elevation to a still enjoyable 66.7°F (19.3°C) from March's 61.7°F (16.5°C) in Lafayette's average high-temperatures. Weather in April »

Weather in May

May, the last month of the spring in Lafayette, is an agreeable month, with an average temperature varying between 50.2°F (10.1°C) and 70.3°F (21.3°C). Lafayette's shift into May is marked by a subtle change to an agreeable 70.3°F (21.3°C) from April's 66.7°F (19.3°C) in temperature. Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Lafayette, California, with an average temperature ranging between max 77.4°F (25.2°C) and min 54.1°F (12.3°C). Observing a slight rise in June, the average high-temperature shifts from May's pleasant 70.3°F (21.3°C) to a moderately hot 77.4°F (25.2°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Lafayette, California, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 55.6°F (13.1°C). Lafayette's warmest month, July, registers temperatures that range from a high of 80.1°F (26.7°C) to a low of 55.6°F (13.1°C). Weather in July »

Weather in August

August, the last month of the summer in Lafayette, is also a moderately hot month, with an average temperature ranging between max 79.3°F (26.3°C) and min 56.8°F (13.8°C). August's presence records an average high-temperature of a still moderately hot 79.3°F (26.3°C), closely mirroring July's climate. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Lafayette, California, with an average temperature fluctuating between 79.5°F (26.4°C) and 56.8°F (13.8°C). Lafayette transitions into September recording an average high-temperature of a still warm 79.5°F (26.4°C), closely aligning with the preceding month's temperature. Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Lafayette, California, with an average temperature fluctuating between 72.5°F (22.5°C) and 54.1°F (12.3°C). Lafayette experiences a moderate temperature shift at the start of October, with average high-temperatures adjusting a bit from a moderately hot 79.5°F (26.4°C) in September to a pleasant 72.5°F (22.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Lafayette, is another refreshing month, with an average temperature ranging between min 48°F (8.9°C) and max 63.3°F (17.4°C). November is characterized by a reduction in the average high-temperature, from an agreeable 72.5°F (22.5°C) in October to an enjoyable 63.3°F (17.4°C). Weather in November »

Weather in December

December, the first month of the winter in Lafayette, is still a cool month, with an average temperature ranging between min 43.7°F (6.5°C) and max 55.2°F (12.9°C). In Lafayette, the month of December registers the lowest temperatures, averaging 55.2°F (12.9°C) at the peak and 43.7°F (6.5°C) at the lowest. Weather in December »
Updated: Feb 9, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

How many days does it rain in Lafayette?

Throughout the year, there are 74.4 rainfall days, and 12.6" (320mm) of precipitation is accumulated.

When is the lowest UV index in Lafayette?

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

What is the wettest month in Lafayette?

The month with the most rainfall is February, when the rain falls for 8.6 days and typically aggregates up to 2.6" (66mm) of precipitation.

What is the most humid month in Lafayette?

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

When is Daylight Saving Time (DST) in Lafayette?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Lafayette, 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 Lafayette?

With an average of 14h and 42min of daylight, June has the longest days of the year in Lafayette, California.

When is the highest UV index in Lafayette?

The month with the highest UV index in Lafayette is June, with an average maximum UV index of 6.

What is the warmest month in Lafayette?

July, recognised by an average high temperature of 80.1°F (26.7°C) and a low of 55.6°F (13.1°C), is Lafayette's warmest month.

What is the driest month in Lafayette?

July and August are months with the least rain when the rain falls for 1.4 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in Lafayette?

With an average of 12h of sunshine, July has the most sunshine of the year in Lafayette.

What is the least humid month in Lafayette?

The least humid month in Lafayette is October, with an average relative humidity of 60%.

What time of the year is the coldest in Lafayette?

December stands out as Lafayette's coldest month, with an average high-temperature of 55.2°F (12.9°C) and a low-temperature of 43.7°F (6.5°C).

What is the month with the shortest days in Lafayette?

December has the shortest days of the year in Lafayette, California, with an average of 9h and 36min of daylight.

What is the month with the least sunshine in Lafayette?

The month with the least sunshine is December, with an average of 5.8h of sunshine.

Average temperature
Lafayette, CA

Average temperature - Lafayette, CA

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (55.2°F).

The months with the highest average low temperature are August and September (56.8°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

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Average pressure
Lafayette, CA

Average pressure - Lafayette, CA

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed
Lafayette, CA

Average wind speed - Lafayette, CA

The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).

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Average rainfall
Lafayette, CA

Average rainfall - Lafayette, CA

The wettest month (with the highest rainfall) is February (2.6").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Lafayette, CA

Average rainfall days - Lafayette, CA

The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is August (0.8 days).

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Average daylight / Average sunshine
Lafayette, CA

Average daylight / Average sunshine - Lafayette, CA

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).

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 48min).

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Average sunshine days
Lafayette, CA

Average sunshine days - Lafayette, CA

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.3 days).

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Average UV index
Lafayette, CA

Average UV index - Lafayette, CA

The month with the highest UV index is June (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
Lafayette, CA

Average visibility - Lafayette, 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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Lafayette, California, USA

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