May weather forecast
Tustin, CA

englishespañol中文
Share

Weather in May

The last month of the spring, May, is also an agreeable month in Tustin, California, with an average temperature ranging between max 70.3°F (21.3°C) and min 56.7°F (13.7°C).

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.
[Resources]

Frequently asked questions

What is the average May temperature in Tustin?

Tustin in May has an average high-temperature of 70.3°F (21.3°C) and an average low-temperature of 56.7°F (13.7°C).

What is the average humidity in May in Tustin?

In May, the average relative humidity in Tustin, California, is 68%.

How many days does it rain in May in Tustin?

In May, in Tustin, California, the rain falls for 4 days. Throughout May, 0.16" (4mm) of precipitation is accumulated.

What is the average length of the day in May in Tustin?

In May, the average day length in Tustin, California, is 13h and 56min.

What time are sunrise and sunset in May in Tustin?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:35 pm. On the last day of the month, in Tustin, California, sunrise is at 5:41 am and sunset at 7:56 pm PDT.

How long on average sun shines in May in Tustin?

The average sunshine duration in May is 11.2h.

What is the UV index intensity in May in Tustin?

In Tustin, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Tustin, CA

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).

[Resources]

Average pressure in May
Tustin, CA

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).

[Resources]

Average wind speed in May
Tustin, CA

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).

[Resources]

Average humidity in May
Tustin, CA

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%).

[Resources]

Average rainfall in May
Tustin, CA

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").

[Resources]

Average rainfall days in May
Tustin, CA

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).

[Resources]

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

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).

[Resources]

Average sunshine days in May
Tustin, CA

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).

[Resources]

Average UV index in May
Tustin, CA

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).

[Resources]

Average cloud cover in May
Tustin, CA

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).

[Resources]

Average visibility in May
Tustin, CA

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).

[Resources]

Tustin, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location