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Bostonia, CA vs Rancho San Diego, CA weather comparison

Bostonia

CA

Bostonia and Rancho San Diego have remarkably similar climates.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Bostonia, CA and Rancho San Diego, CA
BostoniaMetricRancho San Diego
283 daysSunny daysclear or partly cloudy skies283 days
12 inPrecipitationper year12 in
38 daysWet daysrain or snow per year38 days
0 inSnowfallper year0 in
59 daysHot daysabove 90 °F60 days
3 daysFreezing nightsat or below 32 °F3 days
65%Humidityaverage relative66%
65 °FAverage temperatureyear round65 °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.

BostoniaRancho San Diego

Daily highs

708090JanMarMayJulSepNovBostonia, Jan: 69 °FBostonia, Feb: 69 °FBostonia, Mar: 71 °FBostonia, Apr: 74 °FBostonia, May: 76 °FBostonia, Jun: 81 °FBostonia, Jul: 86 °FBostonia, Aug: 89 °FBostonia, Sep: 87 °FBostonia, Oct: 81 °FBostonia, Nov: 75 °FBostonia, Dec: 69 °FRancho San Diego, Jan: 69 °FRancho San Diego, Feb: 69 °FRancho San Diego, Mar: 71 °FRancho San Diego, Apr: 74 °FRancho San Diego, May: 76 °FRancho San Diego, Jun: 81 °FRancho San Diego, Jul: 87 °FRancho San Diego, Aug: 89 °FRancho San Diego, Sep: 88 °FRancho San Diego, Oct: 81 °FRancho San Diego, Nov: 75 °FRancho San Diego, Dec: 68 °F

Daily lows

405060JanMarMayJulSepNovBostonia, Jan: 42 °FBostonia, Feb: 44 °FBostonia, Mar: 48 °FBostonia, Apr: 50 °FBostonia, May: 56 °FBostonia, Jun: 59 °FBostonia, Jul: 63 °FBostonia, Aug: 64 °FBostonia, Sep: 62 °FBostonia, Oct: 55 °FBostonia, Nov: 47 °FBostonia, Dec: 42 °FRancho San Diego, Jan: 42 °FRancho San Diego, Feb: 44 °FRancho San Diego, Mar: 47 °FRancho San Diego, Apr: 50 °FRancho San Diego, May: 55 °FRancho San Diego, Jun: 59 °FRancho San Diego, Jul: 63 °FRancho San Diego, Aug: 64 °FRancho San Diego, Sep: 62 °FRancho San Diego, Oct: 55 °FRancho San Diego, Nov: 47 °FRancho San Diego, Dec: 42 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Bostonia high696971747681868987817569
Rancho San Diego high696971747681878988817568
Bostonia low424448505659636462554742
Rancho San Diego low424447505559636462554742

Monthly precipitation

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

BostoniaRancho San Diego
0.01.02.03.0JanMarMayJulSepNovBostonia, Jan: 2.3 inBostonia, Feb: 2.9 inBostonia, Mar: 1.9 inBostonia, Apr: 0.9 inBostonia, May: 0.4 inBostonia, Jun: 0.1 inBostonia, Jul: 0.1 inBostonia, Aug: 0.1 inBostonia, Sep: 0.2 inBostonia, Oct: 0.6 inBostonia, Nov: 0.9 inBostonia, Dec: 1.9 inRancho San Diego, Jan: 2.3 inRancho San Diego, Feb: 2.9 inRancho San Diego, Mar: 1.9 inRancho San Diego, Apr: 0.9 inRancho San Diego, May: 0.4 inRancho San Diego, Jun: 0.1 inRancho San Diego, Jul: 0.1 inRancho San Diego, Aug: 0.1 inRancho San Diego, Sep: 0.2 inRancho San Diego, Oct: 0.6 inRancho San Diego, Nov: 0.9 inRancho San Diego, Dec: 1.9 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Bostonia2.32.91.90.90.40.10.10.10.20.60.91.9
Rancho 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.

BostoniaRancho San Diego
0102030JanMarMayJulSepNovBostonia, Jan: 20 daysBostonia, Feb: 17 daysBostonia, Mar: 20 daysBostonia, Apr: 22 daysBostonia, May: 22 daysBostonia, Jun: 26 daysBostonia, Jul: 28 daysBostonia, Aug: 30 daysBostonia, Sep: 28 daysBostonia, Oct: 26 daysBostonia, Nov: 24 daysBostonia, Dec: 21 daysRancho San Diego, Jan: 20 daysRancho San Diego, Feb: 17 daysRancho San Diego, Mar: 20 daysRancho San Diego, Apr: 22 daysRancho San Diego, May: 22 daysRancho San Diego, Jun: 26 daysRancho San Diego, Jul: 28 daysRancho San Diego, Aug: 30 daysRancho San Diego, Sep: 28 daysRancho San Diego, Oct: 26 daysRancho San Diego, Nov: 24 daysRancho San Diego, Dec: 21 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Bostonia201720222226283028262421
Rancho 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.

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).