Climate and monthly weather forecast
Colma, CA

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Weather in January

January, like December, is another mild winter month in Colma, California, with an average temperature ranging between min 47.8°F (8.8°C) and max 56.1°F (13.4°C). Stepping into January, Colma records an average high-temperature of a still refreshing 56.1°F (13.4°C), almost consistent with December. Weather in January »

Weather in February

February, the last month of the winter in Colma, is another mild month, with an average temperature fluctuating between 57°F (13.9°C) and 47.7°F (8.7°C). The advent of February brings an average high-temperature of a still moderate 57°F (13.9°C), almost identical to the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Colma, is still a mild month, with an average temperature fluctuating between 48.4°F (9.1°C) and 58.5°F (14.7°C). Colma transitions into March recording an average high-temperature of a still moderate 58.5°F (14.7°C), closely aligning with the preceding month's temperature. Weather in March »

Weather in April

April is a comfortable spring month in Colma, California, with an average temperature ranging between max 61°F (16.1°C) and min 49.5°F (9.7°C). April is marked by an average high-temperature of a comfortable 61°F (16.1°C), almost identical to the preceding month. Weather in April »

Weather in May

The last month of the spring, May, is another comfortable month in Colma, California, with an average temperature fluctuating between 51.4°F (10.8°C) and 62.4°F (16.9°C). Colma's weather in May, with an average high-temperature of a still enjoyable 62.4°F (16.9°C), subtly shifts from April's 61°F (16.1°C). Weather in May »

Weather in June

June, the first month of the summer in Colma, is also an enjoyable month, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 66.2°F (19°C). The shift into June reveals an average high-temperature of a still enjoyable 66.2°F (19°C), closely mirroring May's climate. Weather in June »

Weather in July

July, like June, in Colma, California, is another refreshing summer month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 67.6°F (19.8°C). The initiation of July records an average high-temperature of a still enjoyable 67.6°F (19.8°C), displaying a near consistency with the previous month. Weather in July »

Weather in August

August, the last month of the summer in Colma, is also an enjoyable month, with an average temperature fluctuating between 56.1°F (13.4°C) and 67.6°F (19.8°C). Colma, California, starts August with an average high-temperature of a still enjoyable 67.6°F (19.8°C), staying steady with the temperature in July. Weather in August »

Weather in September

The first month of the autumn, September, is an agreeable month in Colma, California, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 56.5°F (13.6°C). In Colma, September is the warmest month, with temperatures averaging a high of 69.1°F (20.6°C) and a low of 56.5°F (13.6°C). Weather in September »

Weather in October

October, like September, in Colma, California, is another comfortable autumn month, with an average temperature varying between 54.9°F (12.7°C) and 65.8°F (18.8°C). The commencement of October brings an average high-temperature of an enjoyable 65.8°F (18.8°C), marking an inconsequential divergence from September. Weather in October »

Weather in November

November, the last month of the autumn in Colma, is also a moderate month, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 51.6°F (10.9°C). With the onset of November, Colma's climate undergoes a slight change as the average high-temperature moves from a comfortable 65.8°F (18.8°C) in October to a still refreshing 60.4°F (15.8°C). Weather in November »

Weather in December

December, the first month of the winter in Colma, is still a refreshing month, with an average temperature fluctuating between 47.8°F (8.8°C) and 55.4°F (13°C). The month of December, characterized by an average high of 55.4°F (13°C) and a low of 47.8°F (8.8°C), is recognized as the coldest. Weather in December »

Frequently asked questions

How much does it rain?

Throughout the year, there are 82.2 rainfall days, and 13.62" (346mm) of precipitation is accumulated.

What is the wettest month?

The month with the most rainfall is February, when the rain falls for 9 days and typically aggregates up to 2.8" (71mm) of precipitation.

When is the lowest UV index?

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

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 are the longest days?

June has the longest days of the year, with an average of 14h and 42min of daylight.

What is the month with the highest UV index?

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

What is the driest month?

The months with the least rainfall are July and August Rain falls for 2.7 days and accumulates 0.08" (2mm) of rain.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 11.4h of sunshine.

What is the most humid month?

The most humid month is August, with an average relative humidity of 79%.

What is the warmest month in Colma?

Colma's temperatures peak on average in September, reaching 69.1°F (20.6°C) at their highest and 56.5°F (13.6°C) at their lowest.

What is the least humid month?

The least humid month is October, with an average relative humidity of 71%.

What time of the year is the coldest?

Colma's December weather, marked by an average high temperature of 55.4°F (13°C) and an average low temperature of 47.8°F (8.8°C), is the coldest in the year.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

What is the month with the least sunshine in Colma?

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

Average temperature
Colma, CA

Average temperature - Colma, CA

The warmest month (with the highest average high temperature) is September (69.1°F).
The month with the lowest average high temperature is December (55.4°F).

The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).

Average pressure
Colma, CA

Average pressure - Colma, CA

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

Average wind speed
Colma, CA

Average wind speed - Colma, CA

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).

Average humidity
Colma, CA

Average humidity - Colma, CA

The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Colma, CA

Average rainfall - Colma, CA

The wettest month (with the highest rainfall) is February (2.8").
The driest months (with the least rainfall) are July and August (0.08").

Average rainfall days
Colma, CA

Average rainfall days - Colma, CA

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.7 days).

Average daylight / Average sunshine
Colma, CA

Average daylight / Average sunshine - Colma, 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: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days
Colma, CA

Average sunshine days - Colma, CA

The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (16.6 days).

Average UV index
Colma, CA

Average UV index - Colma, CA

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

Average visibility
Colma, CA

Average visibility - Colma, 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).

Colma, California, USA

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