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Tustin, United States Snapshot 2026
Where is Tustin?
Tustin, United States
- Continent
- Americas
- Country
- United States
- City
- Tustin
- Population
- 80.6K
- Elevation
- 43 m
- Coordinates
- 33.75°, -117.83°
Tustin is a city in United States with a population of approximately 80.6K. Average temperatures range from 9°C (48°F) in January to 29°C (84°F) in August. The best time to visit is May, June, July, September, October.
Time in Tustin right now
Open full time & time zone page 13:39 39
Monday, June 15, 2026
IANA time zone
America/Los_Angeles
Daylight saving
DST in effect
PST / PDT
Next DST change
November 1
backward -1h
Live weather in Tustin
Daylight in Tustin today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 23m
Climate normals for Tustin
Long-term monthly averages based on historical data.
January
Good 
February
Good March
Good April
Excellent May best
Excellent June best
Excellent July best
Excellent August
Excellent September best
Excellent October best
Excellent November
Excellent December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 19°C / 9°C | 17°C / 7°C | 6days (81 mm) Good | 8.2h Good | 75% Muggy | 3.8 Moderate | Good | View Details |
| February | 19°C / 9°C | 18°C / 7°C | 6days (69 mm) Good | 8.9h Good | 71% Muggy | 4.4 Moderate | Good | View Details |
| March | 19°C / 10°C | 19°C / 9°C | 8days (74 mm) Wet | 10h Excellent | 76% Humid | 6.1 High | Good | View Details |
| April | 22°C / 12°C | 22°C / 11°C | 2days (21 mm) Excellent | 11.2h Excellent | 72% Muggy | 7.4 Very High | Excellent | View Details |
| May best | 22°C / 14°C | 23°C / 14°C | 2days (8 mm) Excellent | 11.8h Excellent | 73% Muggy | 7.8 Very High | Excellent | View Details |
| June best | 25°C / 16°C | 27°C / 17°C | 1days (2 mm) Excellent | 13h Excellent | 71% Muggy | 8.4 Very High | Excellent | View Details |
| July best | 28°C / 18°C | 31°C / 20°C | 0days (1 mm) Excellent | 13.2h Excellent | 69% Muggy | 8.5 Very High | Excellent | View Details |
| August | 29°C / 19°C | 32°C / 21°C | 0days (8 mm) Excellent | 12.1h Excellent | 71% Muggy | 8 Very High | Excellent | View Details |
| September best | 28°C / 19°C | 30°C / 21°C | 1days (7 mm) Excellent | 11.1h Excellent | 72% Muggy | 7 High | Excellent | View Details |
| October best | 26°C / 16°C | 26°C / 16°C | 2days (11 mm) Excellent | 10.1h Excellent | 70% Muggy | 5.6 High | Excellent | View Details |
| November | 23°C / 12°C | 21°C / 11°C | 3days (34 mm) Excellent | 9h Good | 68% Muggy | 4.2 Moderate | Excellent | View Details |
| December | 19°C / 10°C | 18°C / 8°C | 5days (63 mm) Good | 7.8h Good | 73% Muggy | 3.4 Moderate | Good | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 19°C / 9°C . Feb: 19°C / 9°C . Mar: 19°C / 10°C . Apr: 22°C / 12°C . May: 22°C / 14°C . Jun: 25°C / 16°C . Jul: 28°C / 18°C . Aug: 29°C / 19°C . Sep: 28°C / 19°C . Oct: 26°C / 16°C . Nov: 23°C / 12°C . Dec: 19°C / 10°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 81 mm. Feb: 69 mm. Mar: 74 mm. Apr: 21 mm. May: 8 mm. Jun: 2 mm. Jul: 1 mm. Aug: 8 mm. Sep: 7 mm. Oct: 11 mm. Nov: 34 mm. Dec: 63 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 75%. Feb: 71%. Mar: 76%. Apr: 72%. May: 73%. Jun: 71%. Jul: 69%. Aug: 71%. Sep: 72%. Oct: 70%. Nov: 68%. Dec: 73%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 14 km/h . Mar: 15 km/h . Apr: 15 km/h . May: 15 km/h . Jun: 14 km/h . Jul: 14 km/h . Aug: 13 km/h . Sep: 13 km/h . Oct: 12 km/h . Nov: 11 km/h . Dec: 11 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 15°C . Feb: 15°C . Mar: 15°C . Apr: 15°C . May: 17°C . Jun: 19°C . Jul: 21°C . Aug: 22°C . Sep: 21°C . Oct: 19°C . Nov: 17°C . Dec: 16°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 4. Mar: UV 6. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 9. Aug: UV 8. Sep: UV 7. Oct: UV 6. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Tustin has a population of approximately 80.6K.
The best months to visit Tustin are May, June, July, September, October, when temperatures are pleasant and rainfall is lower.
Tustin receives approximately 379mm of rainfall annually across 36 rainy days.
Tustin is located in United States, in the Americas region.
Tustin sits at an elevation of 43 m (141 ft) above sea level.