Climate and monthly weather forecast
San Leandro, CA

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Weather in January

January, like December, is another refreshing winter month in San Leandro, California, with an average temperature ranging between min 44.1°F (6.7°C) and max 56.8°F (13.8°C). With the onset of January, a modest change to a still refreshing 56.8°F (13.8°C) from December's 55.8°F (13.2°C) is noted in high-temperature. Weather in January »

Weather in February

February, the last month of the winter in San Leandro, is another refreshing month, with an average temperature ranging between min 44.2°F (6.8°C) and max 58.8°F (14.9°C). San Leandro signifies an average high-temperature of a still mild 58.8°F (14.9°C) in February, closely mirroring the 56.8°F (13.8°C) of January. Weather in February »

Weather in March

March, the first month of the spring in San Leandro, is a refreshing month, with an average temperature ranging between max 61.3°F (16.3°C) and min 45.1°F (7.3°C). San Leandro, California, sees the arrival of March with an average high-temperature of a comfortable 61.3°F (16.3°C), indicating a subtle variation from February. Weather in March »

Weather in April

April, like March, in San Leandro, California, is another comfortable spring month, with an average temperature fluctuating between 46.9°F (8.3°C) and 65.3°F (18.5°C). The average high-temperature for April is a still refreshing 65.3°F (18.5°C), closely aligning with the temperature of the preceding month. Weather in April »

Weather in May

May, the last month of the spring in San Leandro, is an agreeable month, with an average temperature varying between 68.9°F (20.5°C) and 49.6°F (9.8°C). San Leandro marks the onset of May with an average high-temperature of a pleasant 68.9°F (20.5°C), subtly divergent from April's 65.3°F (18.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in San Leandro, California, with an average temperature ranging between min 53.4°F (11.9°C) and max 75°F (23.9°C). San Leandro's transition into June is noticed by a slight rise in the average high-temperature, advancing from a pleasant 68.9°F (20.5°C) in May to a moderately hot 75°F (23.9°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in San Leandro, California, with an average temperature ranging between max 77.7°F (25.4°C) and min 54.9°F (12.7°C). The warmest period, with an average high-temperature of 77.7°F (25.4°C), falls in July and September. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in San Leandro, California, with an average temperature varying between 77.5°F (25.3°C) and 55.9°F (13.3°C). The arrival of August brings an average high-temperature of a still warm 77.5°F (25.3°C), nearly identical to July's 77.7°F (25.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in San Leandro, California, with an average temperature fluctuating between 77.7°F (25.4°C) and 56.5°F (13.6°C). San Leandro witnesses its highest temperatures in July and September, reaching an average of 77.7°F (25.4°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in San Leandro, California, with an average temperature fluctuating between 71.4°F (21.9°C) and 54°F (12.2°C). October brings a minor shift in the average high-temperature, adjusting from a moderately hot 77.7°F (25.4°C) in September to an agreeable 71.4°F (21.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another refreshing month in San Leandro, California, with an average temperature varying between 48.4°F (9.1°C) and 63.1°F (17.3°C). A minor decrease in the average high-temperature is observed during November, shifting from a pleasant 71.4°F (21.9°C) in October to a refreshing 63.1°F (17.3°C). Weather in November »

Weather in December

December, the first month of the winter in San Leandro, is also a moderate month, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 55.8°F (13.2°C). San Leandro's coldest weather arrives in December, when temperatures average a high of 55.8°F (13.2°C) and a low of 44.4°F (6.9°C). Weather in December »

Frequently asked questions

How much does it rain in San Leandro?

Throughout the year, in San Leandro, there are 57.7 rainfall days, and 5.71" (145mm) of precipitation is accumulated.

What is the month with the lowest UV index in San Leandro?

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

What is the rainiest month in San Leandro?

February is the month with the most rainfall. Rain falls for 6.3 days and accumulates 1.26" (32mm) of precipitation.

What is the most humid month in San Leandro?

With an average relative humidity of 75%, March is the most humid month.

When is Daylight Saving Time (DST) in San Leandro?

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

The month with the longest days is June, with an average of 14h and 42min of daylight.

What is the month with the highest UV index in San Leandro?

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

What is the hottest time of year in San Leandro?

During July and September, San Leandro experiences its warmest period, with an average high-temperature of 77.7°F (25.4°C).

What is the driest month in San Leandro?

July through September are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in San Leandro?

The month with the most sunshine in San Leandro, California, is July, with an average of 12h of sunshine.

What is the least humid month in San Leandro?

The months with the lowest humidity in San Leandro, California, are September and October, with an average relative humidity of 64%.

What time of the year is the coldest in San Leandro?

December is the month when San Leandro experiences its coldest temperatures, averaging a high of 55.8°F (13.2°C) and a low of 44.4°F (6.9°C).

What is the month with the shortest days in San Leandro?

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

What is the month with the least sunshine in San Leandro?

The month with the least sunshine in San Leandro, California, is December, with an average of 5.9h of sunshine.

Average temperature
San Leandro, CA

Average temperature - San Leandro, CA

The warmest months (with the highest average high temperature) are July and September (77.7°F).
The month with the lowest average high temperature is December (55.8°F).

The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is January (44.1°F).

Average pressure
San Leandro, CA

Average pressure - San Leandro, 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
San Leandro, CA

Average wind speed - San Leandro, CA

The windiest month (with the highest average wind speed) is May (7mph).
The calmest month (with the lowest average wind speed) is November (4.8mph).

Average humidity
San Leandro, CA

Average humidity - San Leandro, CA

The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (64%).

Average rainfall
San Leandro, CA

Average rainfall - San Leandro, CA

The wettest month (with the highest rainfall) is February (1.26").
The driest months (with the least rainfall) are July, August and September (0.04").

Average rainfall days
San Leandro, CA

Average rainfall days - San Leandro, CA

The month with the highest number of rainy days is March (10.2 days).
The month with the least rainy days is August (0.7 days).

Average daylight / Average sunshine
San Leandro, CA

Average daylight / Average sunshine - San Leandro, 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 54min).

Average sunshine days
San Leandro, CA

Average sunshine days - San Leandro, CA

The month with the most sunshine days is July (27.1 days).
The month with the least sunshine days is March (19.1 days).

Average UV index
San Leandro, CA

Average UV index - San Leandro, 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).

Average visibility
San Leandro, CA

Average visibility - San Leandro, 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).

San Leandro, California, USA

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