Climate normals · 1970–2000
Tustin Climate
Tustin is a city in United States (CA) with a population of about 80,583. Its average annual temperature is 17.8°C (64°F), with roughly 338 mm of rain per year.
17.8°C
Avg Temp
338
Precip (mm/yr)
Aug
Hottest Month
Dec
Coldest Month
Tustin Climate
Tustin has an average annual temperature of 17.8°C (64°F) and receives about 338 mm of precipitation per year. The warmest month is August and the coldest is December. Figures are 1970–2000 climate normals.
17.8°C
Avg Temp
338
Precip (mm/yr)
Aug
Hottest Month
Dec
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 14° / 56° | 73 mm |
| February | 14° / 58° | 72 mm |
| March | 15° / 58° | 67 mm |
| April | 17° / 62° | 19 mm |
| May | 18° / 65° | 6 mm |
| June | 20° / 68° | 2 mm |
| July | 22° / 72° | 0 mm |
| August | 23° / 73° | 3 mm |
| September | 22° / 72° | 8 mm |
| October | 20° / 67° | 9 mm |
| November | 16° / 61° | 32 mm |
| December | 13° / 56° | 47 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Tustin
The most comfortable months to visit Tustin are typically June, July and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 29°C high). The coldest is December (near 7°C low). January is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Tustin are typically June, July and September, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Tustin, United States has an average annual temperature of 17.8°C and about 338 mm of precipitation per year. The warmest month is August and the coldest is December.
In August, the hottest month, daily highs in Tustin average about 29°C (84°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.