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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Alameda, California, is another mild winter month, with an average temperature fluctuating between 45°F (7.2°C) and 56.7°F (13.7°C). Alameda's January average high-temperature settles at a still moderate 56.7°F (13.7°C), showing a near match with the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Alameda, is another refreshing month, with an average temperature varying between 45.1°F (7.3°C) and 58.6°F (14.8°C). Upon the beginning of February, Alameda's high-temperatures register at a still refreshing 58.6°F (14.8°C), closely mirroring the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Alameda, is also a moderate month, with an average temperature varying between 46°F (7.8°C) and 60.6°F (15.9°C). Entering March, the average high-temperature is recorded at a still refreshing 60.6°F (15.9°C), exhibiting a minimal shift from February's 58.6°F (14.8°C). Weather in March »
Weather in April
April is an enjoyable spring month in Alameda, California, with temperature in the range of an average high of 64.6°F (18.1°C) and an average low of 47.3°F (8.5°C). The average high-temperature in April, at a comfortable 64.6°F (18.1°C), reveals a modest deviation from March's 60.6°F (15.9°C). Weather in April »
Weather in May
The last month of the spring, May, is another refreshing month in Alameda, California, with an average temperature varying between 50.2°F (10.1°C) and 67.6°F (19.8°C). The arrival of May coincides with an average high-temperature of a still enjoyable 67.6°F (19.8°C), indicating a minimal shift from April's 64.6°F (18.1°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Alameda, California, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 73°F (22.8°C). As May gives way to June, the average high-temperature displays a slight ascent, adjusting from a refreshing 67.6°F (19.8°C) to a pleasant 73°F (22.8°C). Weather in June »
Weather in July
July is a moderately hot summer month in Alameda, California, with an average temperature ranging between max 75.4°F (24.1°C) and min 54.7°F (12.6°C). July experiences an average high-temperature of a warm 75.4°F (24.1°C), barely different from June's 73°F (22.8°C). Weather in July »
Weather in August
August, the last month of the summer in Alameda, is also a moderately hot month, with an average temperature fluctuating between 56.1°F (13.4°C) and 75.6°F (24.2°C). August notes an average high-temperature of a still warm 75.6°F (24.2°C), subtly differing from July's 75.4°F (24.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Alameda, is still a warm month, with an average temperature ranging between max 75.9°F (24.4°C) and min 56.5°F (13.6°C). In Alameda, the peak temperatures are generally noted in September, averaging a high of 75.9°F (24.4°C) and a low of 56.5°F (13.6°C). Weather in September »
Weather in October
October, the same as September, in Alameda, California, is another pleasant autumn month, with an average temperature fluctuating between 70.2°F (21.2°C) and 54.5°F (12.5°C). In Alameda, entering October brings a subtle temperature decrement, reducing from September's moderately hot 75.9°F (24.4°C) to an agreeable 70.2°F (21.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Alameda, is another refreshing month, with an average temperature ranging between min 49.3°F (9.6°C) and max 62.2°F (16.8°C). In November, the average high-temperature marginally drops from a pleasant 70.2°F (21.2°C) in October to a comfortable 62.2°F (16.8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a refreshing month in Alameda, California, with an average temperature varying between 55.9°F (13.3°C) and 45.1°F (7.3°C). December is the coldest month, exhibiting average temperatures of 55.9°F (13.3°C) at the peak and 45.1°F (7.3°C) at the base. Weather in December »
[Resources]Frequently asked questions
How much does it rain in Alameda?
In Alameda, during the entire year, the rain falls for 67.2 days and collects up to 6.1" (155mm) of precipitation.
What is the month with the lowest UV index in Alameda?
January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Alameda, California.
What is the rainiest month in Alameda?
The month with the most rainfall in Alameda is February, when the rain falls for 7.3 days and typically aggregates up to 1.18" (30mm) of precipitation.
What is the most humid month in Alameda?
The most humid month is March, with an average relative humidity of 75%.
When is Daylight Saving Time (DST) in Alameda?
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.
What are the months with the coldest ocean in Alameda?
April through June, with an average ocean temperature of 53.1°F (11.7°C), are months with the coldest seawater.
When is the highest UV index in Alameda?
The months with the highest UV index in Alameda are April through September, with an average maximum UV index of 5.
When are the longest days in Alameda?
With an average of 14h and 42min of daylight, June has the longest days of the year in Alameda.
What is the driest month in Alameda?
The month with the least rainfall is July, when the rain falls for 1.8 days and typically collects 0.04" (1mm) of precipitation.
What month has the most sunshine in Alameda?
July has the most sunshine of the year, with an average of 12h of sunshine.
What is the warmest month in Alameda?
The warmest temperatures occur during September, when averages reach a peak of 75.9°F (24.4°C) and a low of 56.5°F (13.6°C).
What is the month with the warmest ocean in Alameda?
The month with the warmest seawater in Alameda is September, with an average ocean temperature of 57.4°F (14.1°C).
What is the least humid month in Alameda?
The least humid month in Alameda is October, with an average relative humidity of 65%.
What month is the coldest in Alameda?
Alameda's December weather reaches an average high of 55.9°F (13.3°C) and an average low of 45.1°F (7.3°C), making it the coldest month.
What is the month with the shortest days in Alameda?
December has the shortest days of the year in Alameda, with an average of 9h and 36min of daylight.
What is the month with the least sunshine in Alameda?
The month with the least sunshine in Alameda, California, is December, with an average of 5.9h of sunshine.
Average temperature
Alameda, CA
The warmest month (with the highest average high temperature) is September (75.9°F).
The month with the lowest average high temperature is December (55.9°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 (45°F).
Average pressure
Alameda, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
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
Alameda, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
6.3mph - Average wind speed in March:
6.6mph - Average wind speed in April:
6.9mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.8mph - Average wind speed in September:
5.4mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5.2mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest months (with the lowest average wind speed) are October and November (5.2mph).
Average humidity
Alameda, CA
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (65%).
Average rainfall
Alameda, CA
- Average rainfall in January:
1.02" - Average rainfall in February:
1.18" - Average rainfall in March:
0.98" - Average rainfall in April:
0.28" - Average rainfall in May:
0.31" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.08" - Average rainfall in September:
0.08" - Average rainfall in October:
0.31" - Average rainfall in November:
0.71" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is February (1.18").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days
Alameda, CA
- Average rainfall days in January:
9 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
6.7 days - Average rainfall days in May:
4.8 days - Average rainfall days in June:
1.5 days
- Average rainfall days in July:
1.8 days - Average rainfall days in August:
1.3 days - Average rainfall days in September:
2.6 days - Average rainfall days in October:
4.5 days - Average rainfall days in November:
6.1 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is March (11.4 days).
The month with the least rainy days is August (1.3 days).
Average sea temperature
Alameda, CA
The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).
Average daylight / Average sunshine
Alameda, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
6h and 2min - Average sunshine in March:
7h and 5min - Average sunshine in April:
10h and 3min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 4min - Average sunshine in December:
5h and 5min
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
Alameda, CA
- Average sunshine days in January:
20.9 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
21.8 days - Average sunshine days in May:
22.3 days - Average sunshine days in June:
24.3 days
- Average sunshine days in July:
25.4 days - Average sunshine days in August:
23.8 days - Average sunshine days in September:
24.5 days - Average sunshine days in October:
24.8 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (17.3 days).
Average UV index
Alameda, CA
The months with the highest UV index are April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover
Alameda, CA
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility
Alameda, 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).
Alameda, California, USA
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