Spring (March–May): Average 57–62°F, 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 69–77°F, 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 69–59°F, 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 55–55°F, 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. 64.4°F / Annual rainfall: approx. 444 mm / Summer humidity: 30%–40% / Rainiest month: February
Pasadena monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
55.2°F
83.4
February
55.8°F
165.7
March
57.7°F
87
April
62.4°F
9.5
May
63°F
7.3
June
69.4°F
0.1
July
75.9°F
0.1
August
77.4°F
30.2
September
74.8°F
1.8
October
69.4°F
0.6
November
59.5°F
16.1
December
55.8°F
42.2
Pasadena weather for the next seven days
1/21
Wednesday
Partly Cloudy
73.4°F/50.2°F
1/22
Thursday
Overcast
63.5°F/51.3°F
1/23
Friday
Mist
55.9°F/48.4°F
1/24
Saturday
Partly Cloudy
66.1°F/50°F
1/25
Sunday
Partly Cloudy
64.2°F/46.7°F
1/26
Monday
Partly Cloudy
66.6°F/49.5°F
1/27
Tuesday
Partly Cloudy
67.8°F/49.9°F
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