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Pittsburgh, PA vs San Jose, CA weather comparison

Pittsburgh

PA

Pittsburgh picks up around 30 more inches of snow each winter.

San Jose has around 103 fewer freezing nights a year. San Jose sees rain or snow on roughly 98 fewer days each year.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Pittsburgh, PA and San Jose, CA
PittsburghMetricSan Jose
160 daysSunny daysclear or partly cloudy skies263 days
48 inPrecipitationper year17 in
158 daysWet daysrain or snow per year60 days
30 inSnowfallper year0 in
13 daysHot daysabove 90 °F21 days
108 daysFreezing nightsat or below 32 °F5 days
73%Humidityaverage relative67%
53 °FAverage temperatureyear round61 °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.

PittsburghSan Jose

Daily highs

406080JanMarMayJulSepNovPittsburgh, Jan: 38 °FPittsburgh, Feb: 40 °FPittsburgh, Mar: 50 °FPittsburgh, Apr: 63 °FPittsburgh, May: 72 °FPittsburgh, Jun: 80 °FPittsburgh, Jul: 84 °FPittsburgh, Aug: 83 °FPittsburgh, Sep: 76 °FPittsburgh, Oct: 65 °FPittsburgh, Nov: 52 °FPittsburgh, Dec: 42 °FSan Jose, Jan: 59 °FSan Jose, Feb: 62 °FSan Jose, Mar: 66 °FSan Jose, Apr: 70 °FSan Jose, May: 75 °FSan Jose, Jun: 80 °FSan Jose, Jul: 82 °FSan Jose, Aug: 83 °FSan Jose, Sep: 82 °FSan Jose, Oct: 75 °FSan Jose, Nov: 65 °FSan Jose, Dec: 59 °F

Daily lows

204060JanMarMayJulSepNovPittsburgh, Jan: 22 °FPittsburgh, Feb: 23 °FPittsburgh, Mar: 30 °FPittsburgh, Apr: 40 °FPittsburgh, May: 51 °FPittsburgh, Jun: 60 °FPittsburgh, Jul: 64 °FPittsburgh, Aug: 62 °FPittsburgh, Sep: 56 °FPittsburgh, Oct: 44 °FPittsburgh, Nov: 35 °FPittsburgh, Dec: 27 °FSan Jose, Jan: 42 °FSan Jose, Feb: 44 °FSan Jose, Mar: 46 °FSan Jose, Apr: 48 °FSan Jose, May: 52 °FSan Jose, Jun: 55 °FSan Jose, Jul: 58 °FSan Jose, Aug: 58 °FSan Jose, Sep: 57 °FSan Jose, Oct: 52 °FSan Jose, Nov: 46 °FSan Jose, Dec: 42 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Pittsburgh high384050637280848376655242
San Jose high596266707580828382756559
Pittsburgh low222330405160646256443527
San Jose low424446485255585857524642

Monthly precipitation

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

PittsburghSan Jose
0.02.04.0JanMarMayJulSepNovPittsburgh, Jan: 3.6 inPittsburgh, Feb: 3.1 inPittsburgh, Mar: 4.2 inPittsburgh, Apr: 4.7 inPittsburgh, May: 4.8 inPittsburgh, Jun: 5.0 inPittsburgh, Jul: 4.6 inPittsburgh, Aug: 3.7 inPittsburgh, Sep: 4.0 inPittsburgh, Oct: 3.7 inPittsburgh, Nov: 3.5 inPittsburgh, Dec: 3.5 inSan Jose, Jan: 3.4 inSan Jose, Feb: 3.4 inSan Jose, Mar: 2.6 inSan Jose, Apr: 1.2 inSan Jose, May: 0.6 inSan Jose, Jun: 0.1 inSan Jose, Jul: 0.0 inSan Jose, Aug: 0.0 inSan Jose, Sep: 0.1 inSan Jose, Oct: 0.8 inSan Jose, Nov: 1.5 inSan Jose, Dec: 3.0 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Pittsburgh3.63.14.24.74.85.04.63.74.03.73.53.5
San Jose3.43.42.61.20.60.10.00.00.10.81.53.0

Monthly sunny days

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

PittsburghSan Jose
0102030JanMarMayJulSepNovPittsburgh, Jan: 7 daysPittsburgh, Feb: 9 daysPittsburgh, Mar: 12 daysPittsburgh, Apr: 13 daysPittsburgh, May: 14 daysPittsburgh, Jun: 16 daysPittsburgh, Jul: 18 daysPittsburgh, Aug: 19 daysPittsburgh, Sep: 18 daysPittsburgh, Oct: 16 daysPittsburgh, Nov: 12 daysPittsburgh, Dec: 8 daysSan Jose, Jan: 15 daysSan Jose, Feb: 14 daysSan Jose, Mar: 16 daysSan Jose, Apr: 19 daysSan Jose, May: 24 daysSan Jose, Jun: 27 daysSan Jose, Jul: 30 daysSan Jose, Aug: 30 daysSan Jose, Sep: 29 daysSan Jose, Oct: 26 daysSan Jose, Nov: 19 daysSan Jose, Dec: 16 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Pittsburgh791213141618191816128
San Jose151416192427303029261916

Keep comparing

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

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).