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
May denotes a minimal variation in the average high-temperature to a still pleasant 70.3°F (21.3°C) from April's 68.7°F (20.4°C). Tustin encounters an average low-temperature of 56.7°F (13.7°C) during May nights.Humidity
In May, the average relative humidity is 68%.Rainfall
In Tustin, in May, it is raining for 4 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, in Tustin, there are 51.9 rainfall days, and 4.13" (105mm) of precipitation is accumulated.Daylight
In Tustin, California, the average length of the day in May is 13h and 56min.On the first day of May in Tustin, sunrise is at 6:01 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:56 pm PDT.
Sunshine
In Tustin, the average sunshine in May is 11.2h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 5 in May leads to these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Tustin?
What is the average humidity in May in Tustin?
How many days does it rain in May in Tustin?
What is the average length of the day in May in Tustin?
What time are sunrise and sunset in May in Tustin?
How long on average sun shines in May in Tustin?
What is the UV index intensity in May in Tustin?
Average temperature in May
Tustin, CA
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in May: 56.7°F
The month with the highest average low temperature is August (65.1°F).
The coldest month (with the lowest average low temperature) is February (50.7°F).
Average pressure in May
Tustin, 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
Tustin, CA
- Average wind speed in May: 6mph
The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.8mph).
Average humidity in May
Tustin, CA
- Average humidity in May: 68%
The month with the highest relative humidity is June (70%).
The month with the lowest relative humidity is November (55%).
Average rainfall in May
Tustin, CA
- Average rainfall in May: 0.16"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Tustin, CA
- Average rainfall days in May: 4 days
The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.3 days).
Average daylight in May /
Average sunshine in May
Tustin, 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: 10h and 0min).
- Average sunshine in May: 11h and 1min
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 42min).
Average sunshine days in May
Tustin, CA
- Average sunshine days in May: 22.8 days
The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (20.3 days).
Average UV index in May
Tustin, 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
Tustin, CA
- Average cloud cover in May: 19
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
Tustin, 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).
Tustin, California, USA
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