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 the onset of May, the average high-temperature stands at a moderately hot 73.6°F (23.1°C), closely aligned with April's 70.7°F (21.5°C). Descanso experiences a significant downturn from peak daytime temperatures throughout May, with the average low-temperature dipping to a fresh 51.3°F (10.7°C).Humidity
With an average relative humidity of 62%, May is the most humid month.Rainfall
In May, the rain falls for 4.2 days. Throughout May, 0.24" (6mm) of precipitation is accumulated. In Descanso, during the entire year, the rain falls for 62 days and collects up to 6.38" (162mm) of precipitation.Daylight
In Descanso, the average length of the day in May is 13h and 52min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:28 pm. On the last day of May, sunrise is at 5:39 am and sunset at 7:49 pm PDT.
Sunshine
The average sunshine in May is 11.5h.UV index
In Descanso, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 5 in May transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the most humid month?
What is the average humidity in May?
How many days does it rain in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Descanso, CA
- Average high temperature in May: 73.6°F
The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).
Average pressure in May
Descanso, CA
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Descanso, CA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in May
Descanso, CA
- Average humidity in May: 62%
The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).
Average rainfall in May
Descanso, CA
- Average rainfall in May: 0.24"
The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in May
Descanso, CA
- Average rainfall days in May: 4.2 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).
Average daylight in May /
Average sunshine in May
Descanso, CA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 11h and 3min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in May
Descanso, CA
- Average sunshine days in May: 25.2 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in May
Descanso, 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 November and December (UV index 3).
Average cloud cover in May
Descanso, CA
- Average cloud cover in May: 15
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in May
Descanso, 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).
Descanso, California, USA
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