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Isla Vista, CA vs Philadelphia, PA weather comparison

Isla Vista

CA

Isla Vista has around 73 fewer freezing nights a year.

Philadelphia endures about 35 more days above 90 °F each year. Philadelphia picks up around 16 more inches of snow each winter.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Isla Vista, CA and Philadelphia, PA
Isla VistaMetricPhiladelphia
306 daysSunny daysclear or partly cloudy skies203 days
16 inPrecipitationper year43 in
35 daysWet daysrain or snow per year120 days
2 inSnowfallper year18 in
1 daysHot daysabove 90 °F36 days
3 daysFreezing nightsat or below 32 °F76 days
64%Humidityaverage relative68%
59 °FAverage temperatureyear round57 °F

Monthly temperatures

Average daily high and low for each month, in °F. The gap between the two lines is what an ordinary day feels like across the year.

Isla VistaPhiladelphia

Daily highs

406080JanMarMayJulSepNovIsla Vista, Jan: 64 °FIsla Vista, Feb: 63 °FIsla Vista, Mar: 65 °FIsla Vista, Apr: 66 °FIsla Vista, May: 68 °FIsla Vista, Jun: 69 °FIsla Vista, Jul: 72 °FIsla Vista, Aug: 73 °FIsla Vista, Sep: 73 °FIsla Vista, Oct: 72 °FIsla Vista, Nov: 68 °FIsla Vista, Dec: 64 °FPhiladelphia, Jan: 41 °FPhiladelphia, Feb: 44 °FPhiladelphia, Mar: 53 °FPhiladelphia, Apr: 65 °FPhiladelphia, May: 75 °FPhiladelphia, Jun: 84 °FPhiladelphia, Jul: 89 °FPhiladelphia, Aug: 86 °FPhiladelphia, Sep: 80 °FPhiladelphia, Oct: 67 °FPhiladelphia, Nov: 56 °FPhiladelphia, Dec: 46 °F

Daily lows

4060JanMarMayJulSepNovIsla Vista, Jan: 42 °FIsla Vista, Feb: 44 °FIsla Vista, Mar: 46 °FIsla Vista, Apr: 48 °FIsla Vista, May: 51 °FIsla Vista, Jun: 54 °FIsla Vista, Jul: 57 °FIsla Vista, Aug: 57 °FIsla Vista, Sep: 56 °FIsla Vista, Oct: 51 °FIsla Vista, Nov: 45 °FIsla Vista, Dec: 41 °FPhiladelphia, Jan: 27 °FPhiladelphia, Feb: 29 °FPhiladelphia, Mar: 35 °FPhiladelphia, Apr: 45 °FPhiladelphia, May: 55 °FPhiladelphia, Jun: 65 °FPhiladelphia, Jul: 70 °FPhiladelphia, Aug: 68 °FPhiladelphia, Sep: 61 °FPhiladelphia, Oct: 50 °FPhiladelphia, Nov: 40 °FPhiladelphia, Dec: 32 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Isla Vista high646365666869727373726864
Philadelphia high414453657584898680675646
Isla Vista low424446485154575756514541
Philadelphia low272935455565706861504032

Monthly precipitation

Total rain plus melted snow for each month, in inches. Taller bars mean wetter months.

Isla VistaPhiladelphia
0.02.04.0JanMarMayJulSepNovIsla Vista, Jan: 3.7 inIsla Vista, Feb: 3.7 inIsla Vista, Mar: 2.8 inIsla Vista, Apr: 0.9 inIsla Vista, May: 0.4 inIsla Vista, Jun: 0.1 inIsla Vista, Jul: 0.1 inIsla Vista, Aug: 0.0 inIsla Vista, Sep: 0.1 inIsla Vista, Oct: 0.7 inIsla Vista, Nov: 1.0 inIsla Vista, Dec: 2.4 inPhiladelphia, Jan: 3.2 inPhiladelphia, Feb: 3.0 inPhiladelphia, Mar: 4.1 inPhiladelphia, Apr: 3.6 inPhiladelphia, May: 3.5 inPhiladelphia, Jun: 3.8 inPhiladelphia, Jul: 3.9 inPhiladelphia, Aug: 3.7 inPhiladelphia, Sep: 4.1 inPhiladelphia, Oct: 3.6 inPhiladelphia, Nov: 2.9 inPhiladelphia, Dec: 4.0 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Isla Vista3.73.72.80.90.40.10.10.00.10.71.02.4
Philadelphia3.23.04.13.63.53.83.93.74.13.62.94.0

Monthly sunny days

Days each month with clear or partly cloudy skies, so compare the same month between cities.

Isla VistaPhiladelphia
0102030JanMarMayJulSepNovIsla Vista, Jan: 20 daysIsla Vista, Feb: 18 daysIsla Vista, Mar: 22 daysIsla Vista, Apr: 26 daysIsla Vista, May: 28 daysIsla Vista, Jun: 29 daysIsla Vista, Jul: 30 daysIsla Vista, Aug: 30 daysIsla Vista, Sep: 29 daysIsla Vista, Oct: 28 daysIsla Vista, Nov: 25 daysIsla Vista, Dec: 22 daysPhiladelphia, Jan: 16 daysPhiladelphia, Feb: 16 daysPhiladelphia, Mar: 16 daysPhiladelphia, Apr: 15 daysPhiladelphia, May: 16 daysPhiladelphia, Jun: 16 daysPhiladelphia, Jul: 18 daysPhiladelphia, Aug: 19 daysPhiladelphia, Sep: 18 daysPhiladelphia, Oct: 19 daysPhiladelphia, Nov: 17 daysPhiladelphia, Dec: 16 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Isla Vista201822262829303029282522
Philadelphia161616151616181918191716

Keep comparing

Nearby cities and popular picks for each side of this matchup. Any two cities can be compared from the home page.

Isla Vista vs another city

See the full Isla Vista, CA climate profile

More California cities

Philadelphia vs another city

See the full Philadelphia, PA climate profile

More Pennsylvania cities

About this data

Every figure on this page is a 30 year average computed from daily climate history for 1991-2020, using each city's own coordinates. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.

Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).