Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
With May's arrival, Placentia's weather records an average high-temperature of a warm 73.6°F (23.1°C), marking little difference from April's 71.6°F (22°C). During the month of May, Placentia anticipates a mean low-temperature of 55.9°F (13.3°C).Humidity
In Placentia, the average relative humidity in May is 62%.Rainfall
In Placentia, in May, it is raining for 3.9 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, there are 53.2 rainfall days, and 7.72" (196mm) of precipitation is accumulated.Daylight
The average length of the day in May is 13h and 56min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:35 pm. On the last day of May, sunrise is at 5:41 am and sunset at 7:57 pm PDT.
Sunshine
In May, the average sunshine is 11.3h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In May, the UV index of 5 transforms into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Placentia in May?
What is the average humidity in May?
How many days does it rain in May?
How many hours of daylight does Placentia have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
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).
Average pressure in May
Placentia, CA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
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).
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%).
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").
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).
Average daylight in May /
Average sunshine in May
Placentia, CA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 48min).
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).
Average UV index in May
Placentia, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in May
Placentia, CA
- Average cloud cover in May: 16
The 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).
Average visibility in May
Placentia, CA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Placentia, California, USA
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