The best times to visit West Covina for ideal weather are

February 26th to June 17th


October 15th to December 2nd

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

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West Covina Travel Guide

  • Safety
  • The busiest and least popular months
  • Overall travel experience by time of year
  • Weather in West Covina


    Average temperatures in West Covina vary little and are extremely temperate all year. The area is in the top 2 percent of tourist destinations for pleasant weather. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit West Covina, the hottest months are August, September, and then July. See average monthly temperatures below. The warmest time of year is generally late August to early September where highs are regularly around 70.9°F (21.6°C) with temperatures rarely dropping below 48.2°F (9°C) at night.

    West Covina Temperatures (Fahrenheit)


    West Covina Temperatures (Celsius)


    “Feels-Like” Temperatures

    The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

    West Covina Perceived Temperature (F)


    West Covina Perceived Temperature (C)



    Average West Covina Temperatures by Month

    Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

    Show Fahrenheit

    Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
    Jan 71.8 59 44.2
    Feb 71.1 58.8 45.3
    Mar 75.9 62.9 48.5
    Apr 77.3 64.8 50.9
    May 79.5 68 55
    Jun 83.7 72 59.1
    Jul 87.7 76.1 63.3
    Aug 90.8 78.2 63.7
    Sep 90.9 77.2 62.1
    Oct 83.2 69.6 54.3
    Nov 75.6 62.6 48.6
    Dec 67.6 55.7 42.4

    Show Celsius

    Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
    Jan 22.1 15 6.8
    Feb 21.7 14.9 7.4
    Mar 24.4 17.2 9.2
    Apr 25.2 18.2 10.5
    May 26.4 20 12.8
    Jun 28.7 22.2 15.1
    Jul 30.9 24.5 17.4
    Aug 32.7 25.7 17.6
    Sep 32.7 25.1 16.7
    Oct 28.4 20.9 12.4
    Nov 24.2 17 9.2
    Dec 19.8 13.2 5.8


    Precipitation (Rain or Snow)

    If dry weather is what you’re after, the months with the lowest chance of precipitation in West Covina are February, October, and then January. The lowest chance of rain or snow occurs around late May to early June. For example, on the week of May 28th there are only 0 days of precipitation on average. By contrast, it’s most likely to rain or snow in early-to-mid-October with an average of 1.2 days with significant precipitation the week of October 8th.

    When can you find snow in West Covina? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

    Chance of Precipitation

    The graph below shows the % chance of rainy and snowy days in West Covina.

    Days with precipitation

    Snow on the Ground

    The graph below shows the average snow on the ground in West Covina (in).

    Snow depth

    Average Rain and Snow by Month

    Show Inches

    Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
    Jan 10 0 0.03
    Feb 11.4 0 0.02
    Mar 5.7 0 0.01
    Apr 4.3 0 0.01
    May 2.9 0 0
    Jun 4.3 0 0.01
    Jul 2.9 0 0
    Aug 2.9 0 0
    Sep 1.4 0 0
    Oct 11.4 0 0.03
    Nov 8.6 0 0.01
    Dec 8.6 0 0.04

    Show Centimeters

    Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
    Jan 10 0 0.08
    Feb 11.4 0 0.05
    Mar 5.7 0 0.03
    Apr 4.3 0 0.03
    May 2.9 0 0
    Jun 4.3 0 0.03
    Jul 2.9 0 0
    Aug 2.9 0 0
    Sep 1.4 0 0
    Oct 11.4 0 0.08
    Nov 8.6 0 0.03
    Dec 8.6 0 0.1


    Humidity and Wind

    West Covina has below average humidity compared to most tourist destinations. The least humid month is January (36.6% relative humidity), and the most humid month is June (48.7%).

    Wind in West Covina is usually moderate. The windiest month is June, followed by July and May. June’s average wind speed of around 5.5 knots (6.3 MPH or 10.2 KPH) is considered “light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early-to-mid-May where average top sustained speeds reach 13 knots, which is considered a moderate breeze.

    Relative Humidity (%)

    The graph below shows the average % humidity by month in West Covina.

    Avg. Relative Humidity


    The graph below shows wind speed (max and average) in knots.

    Max Sustained Wind
    Average Daily Wind

    Average Wind Speeds

    Show Wind Speeds

    All wind speeds are in knots.

    Month Avg. Wind Meaning (Beaufort) Avg. Maximum Sustained Wind Meaning (Beufort)
    Jan 3.4 light air 9.6 a gentle breeze
    Feb 3.6 light air 9.8 a gentle breeze
    Mar 4.3 a light breeze 10.9 a gentle breeze
    Apr 5.2 a light breeze 12.2 a moderate breeze
    May 5.4 a light breeze 12.5 a gentle breeze
    Jun 5.5 a light breeze 12.3 a moderate breeze
    Jul 5.5 a light breeze 12.4 a gentle breeze
    Aug 5.4 a light breeze 12.1 a moderate breeze
    Sep 4.6 a light breeze 11.3 a gentle breeze
    Oct 3.8 light air 10 a gentle breeze
    Nov 3.4 light air 9.1 a gentle breeze
    Dec 2.9 light air 8.8 a gentle breeze

    Show Relative Humidity by Month

    Month Avg. Relative Humidity
    Jan 36.6
    Feb 45.8
    Mar 44.1
    Apr 41
    May 46.3
    Jun 48.7
    Jul 47.6
    Aug 43.4
    Sep 41.7
    Oct 43.6
    Nov 39.5
    Dec 46.5


    Is it Safe to Travel to West Covina?

    As of 6/22/2017 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories.

    Overall West Covina Travel Experience by Season

    Spring (March through May)

    Humidity and temperatures combine to make this season feel warm. Highs range from 61.3°F (16.3°C) and 53.1°F (11.7°C) with warmer temperatures in the later months. Rain is rare with 1 to 2 days of precipitation per month. Spring is slow/unreported for tourism, which makes it a good time for those looking for deals.

    Summer (June through August)

    The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with about 1 days of precipitation per month. June – August is slow/unreported season for tourism in West Covina, so lodging and other accommodations may cost as much as usual.

    Fall (September through November)

    Fall daily highs range from 70.2°F (21.2°C) and 54.4°F (12.4°C), which will feel very nice given the humidity and wind. It rains or snows a small amount: 0 to 4 days per month. Tourism is slow/unreported during these months due to the weather, so hotels may be normally priced.

    Winter (December through February)

    Weather is somewhat cold this time of year in West Covina to be enjoyable for warm weather travelers. The average high during this season is between 56°F (13.3°C) and 49.5°F (9.7°C). On average, it rains or snows a normal amount: consistently 3 times per month. These times of year are slow/unreported with tourists.


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