San Gabriel Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
San Gabriel year round climate
Spring (March–May): Average 55–61°F, mild and comfortable climate with gradually decreasing rainfall. March still has more rainfall, while April and May are relatively dry. Common activities: Outdoor excursions, picnics. Recommended clothing: Light jacket, long-sleeved shirts, comfortable shoes.
Summer (June–August): Average 69–77°F, hot and dry with very little rainfall. July and August are the hottest months. Common activities: Swimming, outdoor barbecues, visiting museums. Recommended clothing: Lightweight and breathable short-sleeved clothing, sun hat, sunglasses.
Autumn (September–November): Average 68–58°F, pleasant climate with gradually decreasing temperatures and increasing rainfall. October has the most comfortable weather. Common activities: Viewing autumn leaves (if applicable), outdoor activities, enjoying autumn cuisine. Recommended clothing: Light jacket, long-sleeved shirts, comfortable shoes.
Winter (December–February): Average 52–55°F, mild and humid with more rainfall, especially in February. Common activities: Indoor activities, visiting museums, enjoying warm winter drinks. Recommended clothing: Warm jacket, sweater, scarf, hat.
San Gabriel climatological average
Annual average temperature: approx. 63.5°F / Annual rainfall: approx. 688 mm / Summer humidity: 60%–70% / Rainiest month: February
San Gabriel monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
52.7°F
135.4
February
52.9°F
168.1
March
55°F
158.7
April
60.1°F
23.9
May
61.9°F
19
June
69.3°F
1.3
July
76.6°F
0
August
77.2°F
37.4
September
74.1°F
26.6
October
68.9°F
7
November
58.3°F
47.1
December
55.2°F
64.3
San Gabriel weather for the next seven days
12/20
Saturday
Cloudy
72.7°F/53.2°F
12/21
Sunday
Partly Cloudy
70°F/57.6°F
12/22
Monday
Partly Cloudy
69.6°F/58.6°F
12/23
Tuesday
Overcast
66.1°F/53.3°F
12/24
Wednesday
Heavy rain
58.8°F/54.4°F
12/25
Thursday
Patchy rain nearby
59.9°F/54.8°F
12/26
Friday
Moderate rain
56.7°F/46.8°F
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