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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, like December, in Seal Beach, California, is another comfortable winter month, with an average temperature ranging between max 64.6°F (18.1°C) and min 53.6°F (12°C). Seal Beach's entry into January measures an average high-temperature of a still refreshing 64.6°F (18.1°C), closely parallel to the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Seal Beach, is also an enjoyable month, with an average temperature varying between 52.7°F (11.5°C) and 63.5°F (17.5°C). February's average high-temperature stands at a still refreshing 63.5°F (17.5°C), showing little deviation from January's 64.6°F (18.1°C). Weather in February »
Weather in March
The first month of the spring, March, is also an enjoyable month in Seal Beach, California, with an average temperature fluctuating between 53.6°F (12°C) and 65.3°F (18.5°C). Seal Beach records an average high-temperature of a still enjoyable 65.3°F (18.5°C) in March, closely mirroring the climate of the previous month. Weather in March »
Weather in April
April, the same as March, is another enjoyable spring month in Seal Beach, California, with an average temperature varying between 67.1°F (19.5°C) and 55.4°F (13°C). Seal Beach, California, signifies an average high-temperature of a still comfortable 67.1°F (19.5°C) in April, closely mirroring the 65.3°F (18.5°C) of March. Weather in April »
Weather in May
May, the last month of the spring in Seal Beach, is a pleasant month, with an average temperature varying between 57.4°F (14.1°C) and 68.2°F (20.1°C). May's beginning signals an average high-temperature of a pleasant 68.2°F (20.1°C), barely different from April's 67.1°F (19.5°C). Weather in May »
Weather in June
June, the first month of the summer in Seal Beach, is still a pleasant month, with an average temperature varying between 71.2°F (21.8°C) and 59.5°F (15.3°C). The advent of June denotes an average high-temperature of a still agreeable 71.2°F (21.8°C), subtly different from May's 68.2°F (20.1°C). Weather in June »
Weather in July
July is a moderately hot summer month in Seal Beach, California, with an average temperature varying between 75.6°F (24.2°C) and 63.1°F (17.3°C). July begins with an average high-temperature of a warm 75.6°F (24.2°C), reflecting close similarity to the preceding month. Weather in July »
Weather in August
August, the last month of the summer in Seal Beach, is another warm month, with an average temperature varying between 77.4°F (25.2°C) and 65.3°F (18.5°C). In Seal Beach, the peak temperatures are generally noted in August, averaging a high of 77.4°F (25.2°C) and a low of 65.3°F (18.5°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Seal Beach, California, with an average temperature ranging between max 77°F (25°C) and min 64.6°F (18.1°C). The transition into September marks the average high-temperature at a still moderately hot 77°F (25°C), differing minimally from August's 77.4°F (25.2°C). Weather in September »
Weather in October
October, like September, in Seal Beach, California, is a moderately hot autumn month, with an average temperature fluctuating between 62.1°F (16.7°C) and 73.8°F (23.2°C). The average high-temperature during October is a still warm 73.8°F (23.2°C), almost matching the conditions of the preceding month. Weather in October »
Weather in November
November, the last month of the autumn in Seal Beach, is also an agreeable month, with an average temperature varying between 68.9°F (20.5°C) and 58.3°F (14.6°C). November observes an average high-temperature of an agreeable 68.9°F (20.5°C), marking an insignificant difference from October's 73.8°F (23.2°C). Weather in November »
Weather in December
The first month of the winter, December, is still a comfortable month in Seal Beach, California, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 62.8°F (17.1°C). December is the coldest month, with the temperature often reaching an average high of 62.8°F (17.1°C) and an average low of 53.4°F (11.9°C). Weather in December »
Updated: Jul 8, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain?
In Seal Beach, during the entire year, the rain falls for 57.8 days and collects up to 8.82" (224mm) of precipitation.
What is the month with the coldest ocean?
January is the month with the coldest seawater in Seal Beach, with an average ocean temperature of 58.3°F (14.6°C).
What is the month with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4.
When is Daylight Saving Time (DST) in Seal Beach?
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 is the most humid month?
The most humid month is June, with an average relative humidity of 73%.
What is the driest month?
The month with the least rainfall is June, when the rain falls for 2.3 days and typically collects 0.04" (1mm) of precipitation.
When are the longest days?
June has the longest days of the year, with an average of 14h and 24min of daylight.
What are the months with the warmest ocean?
July and August, with an average ocean temperature of 67.8°F (19.9°C), are months with the warmest seawater.
When is the highest UV index?
July through September, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest?
In Seal Beach, August is the month with the highest recorded average temperatures, measuring a high of 77.4°F (25.2°C) and a low of 65.3°F (18.5°C).
What month has the most sunshine?
The month with the most sunshine is August, with an average of 12h of sunshine.
What is the least humid month?
With an average relative humidity of 57%, November is the least humid month.
What are the coldest months?
December stands out as Seal Beach's coldest month, with temperatures ranging between an average high of 62.8°F (17.1°C) and a low of 53.4°F (11.9°C).
What is the rainiest month?
The month with the most rainfall is December, when the rain falls for 6.6 days and typically aggregates up to 1.77" (45mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 10h and 0min of daylight.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 6.7h of sunshine.
Average temperature
Seal Beach, CA
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (62.8°F).
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (52.7°F).
Average pressure
Seal Beach, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed
Seal Beach, CA
- Average wind speed in January:
5.6mph - Average wind speed in February:
5.9mph - Average wind speed in March:
6.2mph - Average wind speed in April:
6.7mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.3mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5.6mph - Average wind speed in December:
5.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are August, September and October (5.3mph).
Average humidity
Seal Beach, CA
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (57%).
Average rainfall
Seal Beach, CA
- Average rainfall in January:
1.69" - Average rainfall in February:
1.65" - Average rainfall in March:
1.1" - Average rainfall in April:
0.51" - Average rainfall in May:
0.28" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.16" - Average rainfall in September:
0.2" - Average rainfall in October:
0.39" - Average rainfall in November:
0.79" - Average rainfall in December:
1.77"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Seal Beach, CA
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
6.4 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
6.1 days - Average rainfall days in May:
4.3 days - Average rainfall days in June:
2.3 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
2.3 days - Average rainfall days in September:
3 days - Average rainfall days in October:
4.5 days - Average rainfall days in November:
5.2 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is March (8.1 days).
The months with the least rainy days are June and August (2.3 days).
Average sea temperature
Seal Beach, CA
The best months for swimming (with the highest average sea temperature) are July and August (67.9°F).
The coldest month (with the lowest average sea temperature) is January (58.3°F).
Average daylight / Average sunshine
Seal Beach, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
6h and 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
8h and 4min - Average sunshine in April:
10h and 5min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 4min - Average sunshine in October:
8h and 2min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days
Seal Beach, CA
- Average sunshine days in January:
24.2 days - Average sunshine days in February:
19.3 days - Average sunshine days in March:
21.2 days - Average sunshine days in April:
21.7 days - Average sunshine days in May:
23.1 days - Average sunshine days in June:
23.8 days
- Average sunshine days in July:
25.6 days - Average sunshine days in August:
26.3 days - Average sunshine days in September:
25.5 days - Average sunshine days in October:
24.4 days - Average sunshine days in November:
22.7 days - Average sunshine days in December:
22.7 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (19.3 days).
Average UV index
Seal Beach, CA
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover
Seal Beach, CA
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility
Seal Beach, 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).
Seal Beach, California, USA
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