Monthly weather forecast and climate
West Covina, CA

Weather in January

January, the same as December, is another comfortable winter month in West Covina, California, with average temperature ranging between max 66.2°F (19°C) and min 48.4°F (9.1°C). In January, the average high-temperature is almost the same as in December - a still enjoyable 66.2°F (19°C). Weather in January »

Weather in February

February, the last month of the winter, in West Covina, is another comfortable month, with average temperature ranging between max 65.5°F (18.6°C) and min 47.5°F (8.6°C). In West Covina, the average high-temperature is practically the same as in January - a still comfortable 65.5°F (18.6°C). Weather in February »

Weather in March

The first month of the spring, March, is an agreeable month in West Covina, California, with average temperature varying between 68.9°F (20.5°C) and 48.7°F (9.3°C). In West Covina, the average high-temperature is almost the same as in February - an agreeable 68.9°F (20.5°C). Weather in March »

Weather in April

April, like March, is another pleasant spring month in West Covina, California, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 51.3°F (10.7°C). In West Covina, the average high-temperature in April is relatively the same as in March - a still agreeable 73°F (22.8°C). Weather in April »

Weather in May

May, the last month of the spring, in West Covina, is a moderately hot month, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 54.1°F (12.3°C). In West Covina, the average high-temperature is almost the same as in April - a warm 75.7°F (24.3°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in West Covina, California, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 57.9°F (14.4°C). In West Covina, the average high-temperature marginally rises, from a moderately hot 75.7°F (24.3°C) in May, to a still warm 81.7°F (27.6°C). Weather in June »

Weather in July

July in West Covina, California, is a hot summer month, with average temperature ranging between max 86.9°F (30.5°C) and min 63.7°F (17.6°C). In July, the average high-temperature is almost the same as in June - a tropical 86.9°F (30.5°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in West Covina, California, with average temperature ranging between max 88.9°F (31.6°C) and min 64.9°F (18.3°C). The warmest month is August, with an average high-temperature of 88.9°F (31.6°C) and an average low-temperature of 64.9°F (18.3°C). In August, the average heat index is evaluated at a hot 91.8°F (33.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in West Covina, California, with average temperature ranging between min 63.5°F (17.5°C) and max 85.8°F (29.9°C). In September, the average high-temperature is practically the same as in August - a moderately hot 85.8°F (29.9°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in West Covina, California, with average temperature varying between 59.2°F (15.1°C) and 79.5°F (26.4°C). In October, the average high-temperature marginally drops, from a warm 85.8°F (29.9°C) in September, to a still moderately hot 79.5°F (26.4°C). Weather in October »

Weather in November

November, the last month of the autumn, in West Covina, is another pleasant month, with average temperature varying between 53.2°F (11.8°C) and 71.6°F (22°C). In West Covina, the average high-temperature marginally drops, from a warm 79.5°F (26.4°C) in October, to a pleasant 71.6°F (22°C). Weather in November »

Weather in December

The first month of the winter, December, is also an enjoyable month in West Covina, California, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 63.5°F (17.5°C). December is the coldest month, with an average high-temperature of 63.5°F (17.5°C) and an average low-temperature of 47.3°F (8.5°C). Weather in December »
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FAQ

How much does it rain in West Covina?

In West Covina, during the entire year, the rain falls for 49.8 days and collects up to 7.76" (197mm) of precipitation.

How many days does it snow in West Covina?

In West Covina, California, during the entire year, snow falls for 0.1 days.

When it does not snow in West Covina?

In West Covina snow does not fall in January through November.

What is the month with the lowest UV index in West Covina?

Months with the lowest UV index in West Covina are January, February, November and December, with an average maximum UV index of 4.

What is the month with the least sunshine in West Covina?

Months with the least sunshine in West Covina are February and December, with an average of 6.9h of sunshine.

What are the most humid months in West Covina?

Months with the highest humidity are May and June, with an average relative humidity of 57%.

What is the driest month in West Covina?

The month with the least rainfall in West Covina is June when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in West Covina?

With an average of 14.4h of daylight, June has the longest days of the year in West Covina.

What month has the most sunshine in West Covina?

The month with the most sunshine in West Covina is July, with an average of 12.1h of sunshine.

What is the warmest month in West Covina?

The warmest month is August, with an average high-temperature of 88.9°F (31.6°C) and an average low-temperature of 64.9°F (18.3°C).

What is the month with the highest UV index in West Covina?

With an average maximum UV index of 7, August is the month with the highest UV index.

What is the least humid month in West Covina?

The least humid month in West Covina, California, is November, with an average relative humidity of 46%.

What is the coldest month in West Covina?

With an average high-temperature of 63.5°F (17.5°C) and an average low-temperature of 47.3°F (8.5°C), December is the coldest month.

What is the rainiest month in West Covina?

The month with the most rainfall in West Covina, California, is December when the rain falls for 5.9 days and typically aggregates up to 1.73" (44mm) of precipitation.

When does it snow in West Covina?

December is the only month when snow falls.

What is the snowiest month in West Covina?

The month with the most snowfall days in West Covina, California, is December when snow falls for 0.1 days.

What is the month with the shortest days in West Covina?

With an average of 9.9h of daylight, December has the shortest days of the year in West Covina, California.

Average temperature
West Covina, CA

Average temperature - West Covina, CA

The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is December (63.5°F).

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (47.3°F).

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Average pressure
West Covina, CA

Average pressure - West Covina, CA

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed
West Covina, CA

Average wind speed - West Covina, CA

The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are September and October (4.5mph).

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Average humidity
West Covina, CA

Average humidity - West Covina, CA

Months with the highest relative humidity are May and June (57%).
The month with the lowest relative humidity is November (46%).

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Average rainfall
West Covina, CA

Average rainfall - West Covina, CA

The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days
West Covina, CA

Average rainfall days - West Covina, CA

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.3 days).

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Average snowfall days
West Covina, CA

Average snowfall days - West Covina, CA

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
West Covina, CA

Average daylight / Average sunshine - West Covina, CA

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.9).

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Average sunshine days
West Covina, CA

Average sunshine days - West Covina, CA

The month with the most sunshine days is June (28 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index
West Covina, CA

Average UV index - West Covina, CA

The month with the highest UV index is August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average visibility
West Covina, CA

Average visibility - West Covina, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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