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Plano, TX vs San Diego, CA weather comparison

Plano

TX

San Diego has around 36 fewer freezing nights a year.

Plano endures about 77 more days above 90 °F each year. San Diego sees rain or snow on roughly 53 fewer days each year.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Plano, TX and San Diego, CA
PlanoMetricSan Diego
238 daysSunny daysclear or partly cloudy skies283 days
41 inPrecipitationper year12 in
91 daysWet daysrain or snow per year38 days
2 inSnowfallper year0 in
93 daysHot daysabove 90 °F15 days
36 daysFreezing nightsat or below 32 °F0 days
66%Humidityaverage relative74%
66 °FAverage temperatureyear round64 °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.

PlanoSan Diego

Daily highs

6080JanMarMayJulSepNovPlano, Jan: 56 °FPlano, Feb: 60 °FPlano, Mar: 69 °FPlano, Apr: 75 °FPlano, May: 83 °FPlano, Jun: 90 °FPlano, Jul: 94 °FPlano, Aug: 95 °FPlano, Sep: 87 °FPlano, Oct: 78 °FPlano, Nov: 66 °FPlano, Dec: 57 °FSan Diego, Jan: 67 °FSan Diego, Feb: 67 °FSan Diego, Mar: 69 °FSan Diego, Apr: 71 °FSan Diego, May: 72 °FSan Diego, Jun: 75 °FSan Diego, Jul: 80 °FSan Diego, Aug: 82 °FSan Diego, Sep: 81 °FSan Diego, Oct: 78 °FSan Diego, Nov: 73 °FSan Diego, Dec: 67 °F

Daily lows

4060JanMarMayJulSepNovPlano, Jan: 36 °FPlano, Feb: 39 °FPlano, Mar: 47 °FPlano, Apr: 55 °FPlano, May: 64 °FPlano, Jun: 71 °FPlano, Jul: 75 °FPlano, Aug: 74 °FPlano, Sep: 67 °FPlano, Oct: 56 °FPlano, Nov: 45 °FPlano, Dec: 38 °FSan Diego, Jan: 46 °FSan Diego, Feb: 47 °FSan Diego, Mar: 50 °FSan Diego, Apr: 53 °FSan Diego, May: 57 °FSan Diego, Jun: 60 °FSan Diego, Jul: 64 °FSan Diego, Aug: 65 °FSan Diego, Sep: 64 °FSan Diego, Oct: 58 °FSan Diego, Nov: 50 °FSan Diego, Dec: 45 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Plano high566069758390949587786657
San Diego high676769717275808281787367
Plano low363947556471757467564538
San Diego low464750535760646564585045

Monthly precipitation

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

PlanoSan Diego
0.02.04.0JanMarMayJulSepNovPlano, Jan: 2.8 inPlano, Feb: 2.9 inPlano, Mar: 3.9 inPlano, Apr: 4.3 inPlano, May: 5.4 inPlano, Jun: 3.4 inPlano, Jul: 1.8 inPlano, Aug: 2.1 inPlano, Sep: 2.8 inPlano, Oct: 3.9 inPlano, Nov: 3.6 inPlano, Dec: 3.6 inSan Diego, Jan: 2.3 inSan Diego, Feb: 2.9 inSan Diego, Mar: 1.9 inSan Diego, Apr: 0.9 inSan Diego, May: 0.4 inSan Diego, Jun: 0.1 inSan Diego, Jul: 0.1 inSan Diego, Aug: 0.1 inSan Diego, Sep: 0.2 inSan Diego, Oct: 0.6 inSan Diego, Nov: 0.9 inSan Diego, Dec: 1.9 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Plano2.82.93.94.35.43.41.82.12.83.93.63.6
San Diego2.32.91.90.90.40.10.10.10.20.60.91.9

Monthly sunny days

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

PlanoSan Diego
0102030JanMarMayJulSepNovPlano, Jan: 18 daysPlano, Feb: 16 daysPlano, Mar: 17 daysPlano, Apr: 18 daysPlano, May: 17 daysPlano, Jun: 21 daysPlano, Jul: 24 daysPlano, Aug: 25 daysPlano, Sep: 23 daysPlano, Oct: 22 daysPlano, Nov: 19 daysPlano, Dec: 18 daysSan Diego, Jan: 20 daysSan Diego, Feb: 17 daysSan Diego, Mar: 20 daysSan Diego, Apr: 22 daysSan Diego, May: 22 daysSan Diego, Jun: 26 daysSan Diego, Jul: 28 daysSan Diego, Aug: 30 daysSan Diego, Sep: 28 daysSan Diego, Oct: 26 daysSan Diego, Nov: 24 daysSan Diego, Dec: 21 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Plano181617181721242523221918
San Diego201720222226283028262421

Keep comparing

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

Plano vs another city

See the full Plano, TX climate profile

More Texas cities

San Diego vs another city

See the full San Diego, CA climate profile

More California 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).