Pico Rivera, United States Daily Weather Forecast for December 2025

Our Pico Rivera, United States Daily Weather Forecast for December 2025, developed from a specialized dynamic long-range model, provides precise daily temperature and rainfall predictions. This model, distinct from standard statistical or climatological approaches, is the result of over 50 years of dedicated private research, offering a clearer and more accurate meteorological insight.

1
Mon
18%
Sunrise
6:39AM
Sunset
4:43PM
Waxing Gibbous
2
Tue
20%
Sunrise
6:39AM
Sunset
4:43PM
Waxing Gibbous
3
Wed
25%
Sunrise
6:40AM
Sunset
4:42PM
Waxing Gibbous
4
Thu
50%
Sunrise
6:41AM
Sunset
4:42PM
Full Moon
5
Fri
50%
Sunrise
6:42AM
Sunset
4:42PM
Waning Gibbous
6
Sat
69%
Sunrise
6:43AM
Sunset
4:43PM
Waning Gibbous
7
Sun
22%
Sunrise
6:44AM
Sunset
4:43PM
Waning Gibbous
8
Mon
20%
Sunrise
6:44AM
Sunset
4:43PM
Waning Gibbous
9
Tue
29%
Sunrise
6:45AM
Sunset
4:43PM
Waning Gibbous
10
Wed
44%
Sunrise
6:46AM
Sunset
4:43PM
Waning Gibbous
11
Thu
20%
Sunrise
6:47AM
Sunset
4:43PM
Last Quarter
12
Fri
11%
Sunrise
6:47AM
Sunset
4:43PM
Waning Crescent
13
Sat
28%
Sunrise
6:48AM
Sunset
4:44PM
Waning Crescent
14
Sun
29%
Sunrise
6:49AM
Sunset
4:44PM
Waning Crescent
15
Mon
56%
Sunrise
6:49AM
Sunset
4:44PM
Waning Crescent
16
Tue
43%
Sunrise
6:50AM
Sunset
4:45PM
Waning Crescent
17
Wed
56%
Sunrise
6:51AM
Sunset
4:45PM
Waning Crescent
18
Thu
30%
Sunrise
6:51AM
Sunset
4:46PM
Waning Crescent
19
Fri
08%
Sunrise
6:52AM
Sunset
4:46PM
Waning Crescent
20
Sat
07%
Sunrise
6:52AM
Sunset
4:46PM
New Moon
21
Sun
26%
Sunrise
6:53AM
Sunset
4:47PM
Waxing Crescent
22
Mon
33%
Sunrise
6:54AM
Sunset
4:47PM
Waxing Crescent
23
Tue
29%
Sunrise
6:54AM
Sunset
4:48PM
Waxing Crescent
24
Wed
06%
Sunrise
6:54AM
Sunset
4:49PM
Waxing Crescent
25
Thu
17%
Sunrise
6:55AM
Sunset
4:49PM
Waxing Crescent
26
Fri
41%
Sunrise
6:55AM
Sunset
4:50PM
Waxing Crescent
27
Sat
37%
Sunrise
6:56AM
Sunset
4:50PM
First Quarter
28
Sun
17%
Sunrise
6:56AM
Sunset
4:51PM
Waxing Gibbous
29
Mon
32%
Sunrise
6:56AM
Sunset
4:52PM
Waxing Gibbous
30
Tue
47%
Sunrise
6:57AM
Sunset
4:53PM
Waxing Gibbous
31
Wed
62%
Sunrise
6:57AM
Sunset
4:53PM
Waxing Gibbous

December 2025 Summary

Precipitation Forecast
Average Precipitation
Rain Frequency 2 to 4 days
Temperature Forecast
Temperature Forecast Normal
Avg High Temps
Avg Low Temps

Weather Forecast Legend

WeatherTAB helps you plan activities on days with the least risk of rain.
Low risk of rain/snow.
Transition Day – Start or End of a Risky Period
Medium risk of rain/snow.
High risk of rain/snow.
%
Forecast risk of rain/snow.
Avg High Temps Avg Low Temps
Our forecasts are not direct predictions of rain/snow. Not all risky days will have rain/snow. However, if it does rain/snow during the month, expect most of it to occur on higher risk days.
other WeatherTAB forecast views...
Detailed Forecast - Detailed analysis of the monthly forecast
Calendar Forecast - Quick reference view of month