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
As Mission Viejo steps into May, the average high-temperature holds at a still agreeable 70.2°F (21.2°C), hinting at a minor fluctuation from the prior month. An average low-temperature of 55.2°F (12.9°C) is expected during May.Humidity
May and June, with an average relative humidity of 70%, are the most humid months.Rainfall
In May, the rain falls for 5.8 days. Throughout May, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 64.1 rainfall days, and 5.67" (144mm) of precipitation is accumulated.Daylight
In May, the average length of the day is 13h and 55min.On the first day of May, sunrise is at 6:01 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:55 pm PDT.
Sunshine
In May, the average sunshine is 10.9h.UV index
In May, the average daily maximum UV index in Mission Viejo is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during May translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Mission Viejo?
What are the most humid months?
What is the average humidity in May in Mission Viejo?
How many days does it rain in May?
What is the average length of the day in May?
When is the sunrise / sunset in May in Mission Viejo?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Mission Viejo, CA
- Average high temperature in May: 70.2°F
The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (63°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in May
Mission Viejo, CA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in May
Mission Viejo, 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 August (4.5mph).
Average humidity in May
Mission Viejo, CA
- Average humidity in May: 70%
The months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is November (56%).
Average rainfall in May
Mission Viejo, CA
- Average rainfall in May: 0.35"
The wettest month (with the highest rainfall) is December (0.98").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in May
Mission Viejo, CA
- Average rainfall days in May: 5.8 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is June (2.3 days).
Average daylight in May /
Average sunshine in May
Mission Viejo, 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: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in May
Mission Viejo, CA
- Average sunshine days in May: 19.5 days
The months with the most sunshine days are January and August (24.4 days).
The month with the least sunshine days is May (19.5 days).
Average UV index in May
Mission Viejo, 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, March, November and December (UV index 4).
Average cloud cover in May
Mission Viejo, CA
- Average cloud cover in May: 22
The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in May
Mission Viejo, 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).
Mission Viejo, California, USA
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