May weather forecast and climate
Placentia, CA

Weather in May

May, the last month of the spring, in Placentia, is a warm month, with average temperature ranging between min 55.9°F (13.3°C) and max 73.6°F (23.1°C).

Temperature

In Placentia, California, the average high-temperature in May is relatively the same as in April - a warm 73.6°F (23.1°C). In Placentia, the average low-temperature is 55.9°F (13.3°C).

Humidity

In Placentia, the average relative humidity is 62%.

Rainfall

In Placentia, in May, during 3.9 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 53.2 rainfall days, and 7.72" (196mm) of precipitation is accumulated.

Daylight

The average length of the day is 13.9h.

Sunshine

The average sunshine in May is 11.3h.

UV index

In May, the average daily maximum UV index in Placentia is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Placentia?

In Placentia, in May, the average high-temperature is 73.6°F (23.1°C), and the average low-temperature is 55.9°F (13.3°C).

What is the average humidity in May in Placentia?

The average relative humidity in May in Placentia is 62%.

How much does it rain in Placentia in May?

In May, in Placentia, the rain falls for 3.9 days. Throughout May, 0.2" (5mm) of precipitation is accumulated.

How many hours of daylight does Placentia have in May?

In May, the average length of the day in Placentia, California, is 13.9h.

How long on average sun shines in May in Placentia?

In May, the average sunshine in Placentia, California, is 11.3h.

How high is the UV index in May in Placentia?

In May, the average daily maximum UV index in Placentia is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in May
Placentia, CA

Average temperature in May - Placentia, CA
  • Average high temperature in May: 73.6°F

The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (64.2°F).

  • Average low temperature in May: 55.9°F

The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).

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Average pressure in May
Placentia, CA

Average pressure in May - Placentia, 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
Placentia, CA

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

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in May
Placentia, CA

Average humidity in May - Placentia, CA
  • Average humidity in May: 62%

The month with the highest relative humidity is June (63%).
The month with the lowest relative humidity is November (50%).

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Average rainfall in May
Placentia, CA

Average rainfall in May - Placentia, CA
  • Average rainfall in May: 0.2"

The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in May
Placentia, CA

Average rainfall days in May - Placentia, CA
  • Average rainfall days in May: 3.9 days

The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.4 days).

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Average daylight in May /
Average sunshine in May
Placentia, CA

Average daylight in May / Average sunshine in May - Placentia, CA
  • Average daylight in May: 13.9h

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: 11.3h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.8).

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Average sunshine days in May
Placentia, CA

Average sunshine days in May - Placentia, CA
  • Average sunshine days in May: 24.7 days

The month with the most sunshine days is August (26.7 days).
The month with the least sunshine days is February (20.7 days).

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Average UV index in May
Placentia, CA

Average UV index in May - Placentia, CA
  • Average UV index in May: 5

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in May
Placentia, CA

Average cloud cover in May - Placentia, CA
  • Average cloud cover in May: 16

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

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Average visibility in May
Placentia, CA

Average visibility in May - Placentia, 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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