Spring (March–May): Average 14.3–17.2°C, mild and comfortable climate, less rainfall, abundant sunshine. Common activities: Outdoor hiking, visiting gardens, sightseeing. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 20.8–25.2°C, hot and dry, very little rainfall. Common activities: Swimming, picnics, participating in outdoor activities. Recommended clothing: Light and breathable clothing, sun hat, sunglasses.
Autumn (September–November): Average 20.8–15.3°C, pleasant climate, warm days, cool nights, little rainfall. Common activities: Outdoor activities, viewing autumn scenery. Recommended clothing: Light jacket, long-sleeved or short-sleeved shirt.
Winter (December–February): Average 13.2–13.2°C, mild, occasional rainfall, little temperature variation. Common activities: Visiting museums, art galleries, indoor activities. Recommended clothing: Warm jacket, sweater, long pants.
Pasadena climatological average
Annual average temperature: approx. 18°C / Annual rainfall: approx. 444 mm / Summer humidity: 30%–40% / Rainiest month: February
Pasadena monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
12.9°C
83.4
February
13.2°C
165.7
March
14.3°C
87
April
16.9°C
9.5
May
17.2°C
7.3
June
20.8°C
0.1
July
24.4°C
0.1
August
25.2°C
30.2
September
23.8°C
1.8
October
20.8°C
0.6
November
15.3°C
16.1
December
13.2°C
42.2
Pasadena weather for the next seven days
11/24
Monday
Sunny
21.9°C/10.5°C
11/25
Tuesday
Sunny
25.7°C/10.3°C
11/26
Wednesday
Sunny
24°C/12.5°C
11/27
Thursday
Overcast
22.5°C/14.2°C
11/28
Friday
Sunny
21.8°C/12°C
11/29
Saturday
Patchy rain nearby
14.1°C/8.4°C
11/30
Sunday
Patchy rain nearby
12.6°C/5.3°C
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