May weather forecast and climate
West Covina, CA

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).

Temperature

In West Covina, the average high-temperature is almost the same as in April - a warm 75.7°F (24.3°C). In West Covina, the average low-temperature is 54.1°F (12.3°C).

Humidity

May and June, with an average relative humidity of 57%, are most humid months in West Covina, California.

Rainfall

In West Covina, in May, during 3.7 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, in West Covina, there are 49.8 rainfall days, and 7.76" (197mm) of precipitation is accumulated.

Snowfall

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

Daylight

In West Covina, the average length of the day is 14h.

Sunshine

In West Covina, the average sunshine in May is 11.6h.

UV index

The average daily maximum UV index in West Covina is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in West Covina?

In May, in West Covina, the average high-temperature is 75.7°F (24.3°C), and the average low-temperature is 54.1°F (12.3°C).

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 average humidity in May in West Covina?

In May, the average relative humidity is 57%.

How many days does it rain in May in West Covina?

In West Covina, California, in May, it is raining for 3.7 days, with typically 0.2" (5mm) of accumulated precipitation.

When it does not snow in West Covina?

January through November are months without snowfall.

What is the average length of the day in May in West Covina?

The average length of the day in May in West Covina is 14h.

How long on average sun shines in May in West Covina?

In May, the average sunshine is 11.6h.

What is the UV index reading in May in West Covina?

In West Covina, California, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in May
West Covina, CA

Average temperature in May - West Covina, CA
  • Average high temperature in May: 75.7°F

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).

  • Average low temperature in May: 54.1°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 in May
West Covina, CA

Average pressure in May - West Covina, CA
  • Average pressure in May: 29.92"

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 in May
West Covina, CA

Average wind speed in May - West Covina, CA
  • Average wind speed in May: 5.7mph

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 in May
West Covina, CA

Average humidity in May - West Covina, CA
  • Average humidity in May: 57%

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 in May
West Covina, CA

Average rainfall in May - West Covina, CA
  • Average rainfall in May: 0.2"

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 in May
West Covina, CA

Average rainfall days in May - West Covina, CA
  • Average rainfall days in May: 3.7 days

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 in May
West Covina, CA

Average snowfall days in May - West Covina, CA
  • Average snowfall days in May: 0 days

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 in May /
Average sunshine in May
West Covina, CA

Average daylight in May / Average sunshine in May - West Covina, CA
  • Average daylight in May: 14h

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

  • Average sunshine in May: 11.6h

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 in May
West Covina, CA

Average sunshine days in May - West Covina, CA
  • Average sunshine days in May: 26 days

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 in May
West Covina, CA

Average UV index in May - West Covina, CA
  • Average UV index in May: 5

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 cloud cover in May
West Covina, CA

Average cloud cover in May - West Covina, CA
  • Average cloud cover in May: 14

The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in May
West Covina, CA

Average visibility in May - West Covina, CA
  • Average visibility in May: 6mi

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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