Weather and climate in Tijuana, Baja California, Mexico: monthly averages and best time for stargazing

Best for stargazingOct, Nov, SepMost clear, dark hours

Warmest monthAugustAverage high 29°C

Coolest monthDecemberAverage low 8°C

Wettest monthFebruary55 mm on average

What the weather is like in Tijuana

The warmest month in Tijuana is August, with average highs of 29°C. The coolest is December, when nights average 8°C. About 268 mm of rain and snow falls in a typical year, most in February and least in July.

Skies are clearest in September (20% average cloud cover) and cloudiest in February (43%). Combining cloud with the length of truly dark nights, October, November, September offer the most clear, dark hours for stargazing.

Clear, dark hours per night

6.7 Jan

5.8 Feb

5.6 Mar

5.3 Apr

4.8 May

5.0 Jun

5.0 Jul

6.2 Aug

7.1 Sep

7.3 Oct

7.2 Nov

6.6 Dec

Hours of full astronomical darkness in mid-month, multiplied by the average share of clear sky. A rough guide to how much good observing time a typical night offers.

Monthly averages

Month	High	Low	Precipitation	Cloud cover	Humidity	Wind	Dark hours
January	17°C	8°C	41 mm	38%	64%	9 km/h	10.9 h
February	17°C	8°C	55 mm	43%	66%	9 km/h	10.2 h
March	19°C	9°C	29 mm	39%	68%	8 km/h	9.3 h
April	20°C	10°C	17 mm	35%	68%	9 km/h	8.1 h
May	22°C	11°C	7 mm	31%	68%	9 km/h	7.0 h
June	25°C	13°C	14 mm	21%	63%	8 km/h	6.3 h
July	29°C	16°C	4 mm	25%	58%	7 km/h	6.7 h
August	29°C	17°C	4 mm	20%	57%	7 km/h	7.7 h
September	28°C	17°C	6 mm	20%	57%	7 km/h	8.9 h
October	24°C	14°C	15 mm	26%	60%	7 km/h	9.9 h
November	21°C	11°C	25 mm	32%	60%	8 km/h	10.7 h
December	17°C	8°C	51 mm	40%	64%	9 km/h	11.1 h

Climate nearby

Chula Vista, CA

Climate averages: NASA POWER, 2001–2025, for the grid area around 32.50, -116.88 (about 50 km across). High and low temperatures are estimated from the monthly mean and the average daily range. Hills, coasts and cities can differ from the area average. Sources and methods.