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Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Placentia, CA
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January
Average Temperature
High
21°
Feels 20
Low
8°
Feels 7
Average Precipitation
4 Days
Rain amount
32.4mm
Snow amount
0cm
Content continues below
Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
18°
2
20°
3
19°
4
17°
5
16°
6
13°
7
15°
8
15°
9
15°
10
17°
11
17°
12
18°
13
17°
14
16°
15
16°
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Thursday, January 1, 2026
Day
18°
Feels 18
Wind
10 km/h SW
Gust
15 km/h
Humidity
79%
P.O.P
100%
Rain
~15 mm
Night
13°
Feels 12
Wind
10 km/h E
Gust
16 km/h
Humidity
91%
P.O.P
20%
Historical Averages
Jan 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.