Climate and monthly weather forecastImperial Beach, CA
Climate and monthly weather forecast
Weather in January
January, like December, in Imperial Beach, California, is another comfortable winter month, with an average temperature ranging between min 53.2°F (11.8°C) and max 64.8°F (18.2°C). Imperial Beach records an average high-temperature of a still enjoyable 64.8°F (18.2°C) as January arrives, nearly mirroring the previous month's climate. Weather in January »Weather in February
The last month of the winter, February, is also an enjoyable month in Imperial Beach, California, with an average temperature varying between 52°F (11.1°C) and 63.7°F (17.6°C). The shift to February signals an average high-temperature of a still comfortable 63.7°F (17.6°C), subtly varied from January's 64.8°F (18.2°C). Weather in February »Weather in March
The first month of the spring, March, is still a comfortable month in Imperial Beach, California, with an average temperature fluctuating between 64.4°F (18°C) and 53.2°F (11.8°C). Imperial Beach records an average high-temperature of a still enjoyable 64.4°F (18°C) in March, maintaining a close correlation with February's 63.7°F (17.6°C). Weather in March »Weather in April
April, like March, in Imperial Beach, California, is another enjoyable spring month, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 66.4°F (19.1°C). The advent of April signifies a minor shift to an average high-temperature of a still enjoyable 66.4°F (19.1°C), aligning closely with March. Weather in April »Weather in May
The last month of the spring, May, is another comfortable month in Imperial Beach, California, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 67.5°F (19.7°C). May's climate shows a minor adjustment in average high-temperatures to a still comfortable 67.5°F (19.7°C) from April's 66.4°F (19.1°C). Weather in May »Weather in June
June, the first month of the summer in Imperial Beach, is a pleasant month, with an average temperature ranging between min 59.9°F (15.5°C) and max 71.1°F (21.7°C). June denotes a minimal variation in the average high-temperature to a pleasant 71.1°F (21.7°C) from May's 67.5°F (19.7°C). Weather in June »Weather in July
July is a warm summer month in Imperial Beach, California, with an average temperature varying between 64.8°F (18.2°C) and 75.2°F (24°C). The onset of July marks an average high-temperature of a warm 75.2°F (24°C), hardly differing from June's 71.1°F (21.7°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Imperial Beach, California, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 66.6°F (19.2°C). The warmest month is August, with an average high-temperature of 77.2°F (25.1°C) and an average low-temperature of 66.6°F (19.2°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Imperial Beach, California, with an average temperature varying between 65.7°F (18.7°C) and 77°F (25°C). As August turns into September, the average high-temperatures rest at a still moderately hot 77°F (25°C), showing a minor variation from the prior month. Weather in September »Weather in October
October, like September, is an agreeable autumn month in Imperial Beach, California, with an average temperature fluctuating between 62.6°F (17°C) and 73.2°F (22.9°C). The average high-temperature in October, at a pleasant 73.2°F (22.9°C), reveals a modest deviation from September's 77°F (25°C). Weather in October »Weather in November
November, the last month of the autumn in Imperial Beach, is another pleasant month, with an average temperature fluctuating between 68.9°F (20.5°C) and 57.9°F (14.4°C). The onset of November brings an average high-temperature of a still agreeable 68.9°F (20.5°C), nearly matching the October temperature. Weather in November »Weather in December
December, the first month of the winter in Imperial Beach, is also an enjoyable month, with an average temperature fluctuating between 63.5°F (17.5°C) and 52.7°F (11.5°C). December is Imperial Beach's coldest month, registering average high temperatures of 63.5°F (17.5°C) and lows of 52.7°F (11.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Imperial Beach, CA
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (63.5°F).
The month with the highest average low temperature is August (66.6°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure
Imperial Beach, CA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.88"Hg - Average pressure in October:
29.93"Hg - Average pressure in November:
30.01"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed
Imperial Beach, CA
- Average wind speed in January:
5.6mph - Average wind speed in February:
6.3mph - Average wind speed in March:
6.3mph - Average wind speed in April:
6.6mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
5.7mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5.7mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is October (5.3mph).
Average humidity
Imperial Beach, CA
The month with the highest relative humidity is June (73%).
The months with the lowest relative humidity are January and November (60%).
Average rainfall
Imperial Beach, CA
- Average rainfall in January:
0.79" - Average rainfall in February:
1.3" - Average rainfall in March:
0.75" - Average rainfall in April:
0.55" - Average rainfall in May:
0.35" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.35" - Average rainfall in September:
0.31" - Average rainfall in October:
0.2" - Average rainfall in November:
0.79" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days
Imperial Beach, CA
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
7.6 days - Average rainfall days in April:
6.6 days - Average rainfall days in May:
4.9 days - Average rainfall days in June:
2.5 days
- Average rainfall days in July:
4.5 days - Average rainfall days in August:
3.8 days - Average rainfall days in September:
4.4 days - Average rainfall days in October:
3.7 days - Average rainfall days in November:
4.8 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (2.5 days).
Average daylight / Average sunshine
Imperial Beach, CA
- Average daylight in January:
10h and 18min - 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 48min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 6min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
6h and 48min - Average sunshine in March:
8h and 42min - Average sunshine in April:
10h and 48min - Average sunshine in May:
10h and 36min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 48min - Average sunshine in September:
10h and 12min - Average sunshine in October:
8h and 48min - Average sunshine in November:
7h and 6min - Average sunshine in December:
6h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days
Imperial Beach, CA
- Average sunshine days in January:
24.8 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
22.2 days - Average sunshine days in April:
22 days - Average sunshine days in May:
23.2 days - Average sunshine days in June:
26 days
- Average sunshine days in July:
24.2 days - Average sunshine days in August:
24.5 days - Average sunshine days in September:
23.9 days - Average sunshine days in October:
24.7 days - Average sunshine days in November:
23.6 days - Average sunshine days in December:
22.6 days
The month with the most sunshine days is June (26 days).
The month with the least sunshine days is February (20.3 days).
Average UV index
Imperial 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
Imperial Beach, CA
The months with the most cloud cover are May and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility
Imperial 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).





