Climate and monthly weather forecastIsla Vista, CA
Climate and monthly weather forecast
Weather in January
January in Isla Vista, California, is a refreshing winter month, with an average temperature fluctuating between 48.7°F (9.3°C) and 62.2°F (16.8°C). Isla Vista, California, registers an average high-temperature of a still refreshing 62.2°F (16.8°C) at the commencement of January, closely related to the preceding month. Weather in January »Weather in February
The last month of the winter, February, is another comfortable month in Isla Vista, California, with an average temperature varying between 47.7°F (8.7°C) and 61.3°F (16.3°C). The arrival of February records an average high-temperature of a still refreshing 61.3°F (16.3°C), closely related to the 62.2°F (16.8°C) observed in January. Weather in February »Weather in March
March, the first month of the spring in Isla Vista, is still a refreshing month, with an average temperature fluctuating between 48.7°F (9.3°C) and 63.1°F (17.3°C). Isla Vista's weather in March displays an average high-temperature of a still enjoyable 63.1°F (17.3°C), showing minor disparity from February's 61.3°F (16.3°C). Weather in March »Weather in April
April, the same as March, is another enjoyable spring month in Isla Vista, California, with an average temperature varying between 66.7°F (19.3°C) and 50.4°F (10.2°C). On the advent of April, Isla Vista's average high-temperature exhibits a minor adjustment to a still comfortable 66.7°F (19.3°C) from March's 63.1°F (17.3°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Isla Vista, California, with an average temperature fluctuating between 53.1°F (11.7°C) and 69.4°F (20.8°C). May's advent notes a subtle adjustment in average high-temperature to a pleasant 69.4°F (20.8°C) from April. Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Isla Vista, California, with an average temperature ranging between max 73.9°F (23.3°C) and min 56.8°F (13.8°C). The commencement of June records an average high-temperature of a moderately hot 73.9°F (23.3°C), barely varying from May's 69.4°F (20.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Isla Vista, California, with an average temperature ranging between min 61.2°F (16.2°C) and max 78.1°F (25.6°C). Isla Vista notes an average high-temperature of a still moderately hot 78.1°F (25.6°C) in July, hardly diverging from June. Weather in July »Weather in August
August, the last month of the summer in Isla Vista, is also a moderately hot month, with an average temperature varying between 62.1°F (16.7°C) and 79.2°F (26.2°C). August temperatures tend to peak at an average high of 79.2°F (26.2°C) and dip to a low of 62.1°F (16.7°C). Weather in August »Weather in September
September, the first month of the autumn in Isla Vista, is also a moderately hot month, with an average temperature ranging between max 77.4°F (25.2°C) and min 61.7°F (16.5°C). Stepping into September, Isla Vista records an average high-temperature of a still warm 77.4°F (25.2°C), almost consistent with August. Weather in September »Weather in October
October, like September, is another pleasant autumn month in Isla Vista, California, with an average temperature fluctuating between 72.9°F (22.7°C) and 57.7°F (14.3°C). The average high-temperature in October, at an agreeable 72.9°F (22.7°C), reveals a modest deviation from September's 77.4°F (25.2°C). Weather in October »Weather in November
November, the last month of the autumn in Isla Vista, is another comfortable month, with an average temperature fluctuating between 52.7°F (11.5°C) and 66.9°F (19.4°C). A mild drop in Isla Vista's average high-temperature is observed in November, transitioning from a pleasant 72.9°F (22.7°C) in October to an enjoyable 66.9°F (19.4°C). Weather in November »Weather in December
The first month of the winter, December, is still a mild month in Isla Vista, California, with an average temperature varying between 60.6°F (15.9°C) and 48.6°F (9.2°C). December, with an average high of 60.6°F (15.9°C) and a low of 48.6°F (9.2°C), signifies the coldest month of the year. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Isla Vista, CA
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (60.6°F).
The month with the highest average low temperature is August (62.1°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).
Average pressure
Isla Vista, CA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.91"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed
Isla Vista, CA
- Average wind speed in January:
6.5mph - Average wind speed in February:
7.1mph - Average wind speed in March:
7.6mph - Average wind speed in April:
8.1mph - Average wind speed in May:
8mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.4mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity
Isla Vista, CA
The month with the highest relative humidity is March (64%).
The months with the lowest relative humidity are September, October and November (56%).
Average rainfall
Isla Vista, CA
- Average rainfall in January:
1.57" - Average rainfall in February:
1.38" - Average rainfall in March:
1.46" - Average rainfall in April:
0.55" - Average rainfall in May:
0.16" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.08" - Average rainfall in September:
0.12" - Average rainfall in October:
0.2" - Average rainfall in November:
0.51" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is January (1.57").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days
Isla Vista, CA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
4.7 days - Average rainfall days in May:
2.4 days - Average rainfall days in June:
1.2 days
- Average rainfall days in July:
3.3 days - Average rainfall days in August:
1.3 days - Average rainfall days in September:
1.9 days - Average rainfall days in October:
1.8 days - Average rainfall days in November:
3.2 days - Average rainfall days in December:
5.7 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.2 days).
Average sea temperature
Isla Vista, CA
The best month for swimming (with the highest average sea temperature) is August (62.2°F).
The coldest month (with the lowest average sea temperature) is April (55.7°F).
Average daylight / Average sunshine
Isla Vista, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
6h and 36min - Average sunshine in March:
8h and 54min - Average sunshine in April:
11h and 6min - Average sunshine in May:
11h and 42min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 12min - Average sunshine in October:
8h and 0min - Average sunshine in November:
7h and 12min - Average sunshine in December:
6h and 48min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days
Isla Vista, CA
- Average sunshine days in January:
24.9 days - Average sunshine days in February:
21.6 days - Average sunshine days in March:
23.1 days - Average sunshine days in April:
25.2 days - Average sunshine days in May:
27.3 days - Average sunshine days in June:
27.2 days
- Average sunshine days in July:
25.7 days - Average sunshine days in August:
28 days - Average sunshine days in September:
26.2 days - Average sunshine days in October:
27.8 days - Average sunshine days in November:
25.8 days - Average sunshine days in December:
24.6 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is February (21.6 days).
Average UV index
Isla Vista, CA
The months with the highest UV index are June, 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
Isla Vista, CA
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
Isla Vista, 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).





