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Boise, ID vs Santa Ana, CA weather comparison

Boise

ID

Boise picks up around 18 more inches of snow each winter.

Santa Ana has around 109 fewer freezing nights a year. Santa Ana sees rain or snow on roughly 42 fewer days each year.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Boise, ID and Santa Ana, CA
BoiseMetricSanta Ana
239 daysSunny daysclear or partly cloudy skies286 days
12 inPrecipitationper year12 in
73 daysWet daysrain or snow per year31 days
18 inSnowfallper year0 in
54 daysHot daysabove 90 °F28 days
109 daysFreezing nightsat or below 32 °F0 days
54%Humidityaverage relative74%
53 °FAverage temperatureyear round66 °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.

BoiseSanta Ana

Daily highs

406080JanMarMayJulSepNovBoise, Jan: 39 °FBoise, Feb: 46 °FBoise, Mar: 55 °FBoise, Apr: 62 °FBoise, May: 72 °FBoise, Jun: 81 °FBoise, Jul: 92 °FBoise, Aug: 91 °FBoise, Sep: 80 °FBoise, Oct: 65 °FBoise, Nov: 49 °FBoise, Dec: 39 °FSanta Ana, Jan: 69 °FSanta Ana, Feb: 69 °FSanta Ana, Mar: 71 °FSanta Ana, Apr: 73 °FSanta Ana, May: 74 °FSanta Ana, Jun: 78 °FSanta Ana, Jul: 82 °FSanta Ana, Aug: 84 °FSanta Ana, Sep: 84 °FSanta Ana, Oct: 79 °FSanta Ana, Nov: 74 °FSanta Ana, Dec: 68 °F

Daily lows

4060JanMarMayJulSepNovBoise, Jan: 26 °FBoise, Feb: 29 °FBoise, Mar: 35 °FBoise, Apr: 39 °FBoise, May: 47 °FBoise, Jun: 54 °FBoise, Jul: 62 °FBoise, Aug: 61 °FBoise, Sep: 52 °FBoise, Oct: 41 °FBoise, Nov: 32 °FBoise, Dec: 25 °FSanta Ana, Jan: 49 °FSanta Ana, Feb: 49 °FSanta Ana, Mar: 52 °FSanta Ana, Apr: 54 °FSanta Ana, May: 58 °FSanta Ana, Jun: 61 °FSanta Ana, Jul: 65 °FSanta Ana, Aug: 65 °FSanta Ana, Sep: 64 °FSanta Ana, Oct: 59 °FSanta Ana, Nov: 53 °FSanta Ana, Dec: 48 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Boise high394655627281929180654939
Santa Ana high696971737478828484797468
Boise low262935394754626152413225
Santa Ana low494952545861656564595348

Monthly precipitation

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

BoiseSanta Ana
0.01.02.03.0JanMarMayJulSepNovBoise, Jan: 1.8 inBoise, Feb: 1.2 inBoise, Mar: 1.4 inBoise, Apr: 1.2 inBoise, May: 1.2 inBoise, Jun: 0.6 inBoise, Jul: 0.1 inBoise, Aug: 0.1 inBoise, Sep: 0.4 inBoise, Oct: 0.9 inBoise, Nov: 1.4 inBoise, Dec: 2.0 inSanta Ana, Jan: 2.8 inSanta Ana, Feb: 3.1 inSanta Ana, Mar: 1.8 inSanta Ana, Apr: 0.7 inSanta Ana, May: 0.3 inSanta Ana, Jun: 0.1 inSanta Ana, Jul: 0.1 inSanta Ana, Aug: 0.0 inSanta Ana, Sep: 0.1 inSanta Ana, Oct: 0.6 inSanta Ana, Nov: 0.7 inSanta Ana, Dec: 1.9 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Boise1.81.21.41.21.20.60.10.10.40.91.42.0
Santa Ana2.83.11.80.70.30.10.10.00.10.60.71.9

Monthly sunny days

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

BoiseSanta Ana
0102030JanMarMayJulSepNovBoise, Jan: 14 daysBoise, Feb: 14 daysBoise, Mar: 15 daysBoise, Apr: 18 daysBoise, May: 20 daysBoise, Jun: 23 daysBoise, Jul: 29 daysBoise, Aug: 28 daysBoise, Sep: 26 daysBoise, Oct: 23 daysBoise, Nov: 16 daysBoise, Dec: 14 daysSanta Ana, Jan: 19 daysSanta Ana, Feb: 18 daysSanta Ana, Mar: 21 daysSanta Ana, Apr: 23 daysSanta Ana, May: 24 daysSanta Ana, Jun: 26 daysSanta Ana, Jul: 29 daysSanta Ana, Aug: 30 daysSanta Ana, Sep: 28 daysSanta Ana, Oct: 26 daysSanta Ana, Nov: 24 daysSanta Ana, Dec: 21 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Boise141415182023292826231614
Santa Ana191821232426293028262421

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).