Simi Valley, CA 31 December Weather

Altitude - 232m | 34°16′12″N,118°46′48″W | map (OSM)

Simi Valley, CA

°F

7 amSunny4mphNE

Fri, December 19, 20257:30 AM (GMT -08:00)

Climatic norm in Simi Valley, CA Dec 31

45°
55°
65°

minimum
average
maximum

Wednesday Dec 31 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	52°	50°	49°	55°	64°	63°	58°	54°
wind	4mph	4mph	4mph	4mph	6mph	7mph	4mph	4mph
pressure in	29.25	29.24	29.26	29.30	29.30	29.25	29.26	29.28

Tuesday Dec 31 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	49°	44°	44°	51°	63°	65°	55°	50°
wind	6mph	4mph	4mph	5mph	6mph	7mph	5mph	5mph
pressure in	29.18	29.17	29.17	29.23	29.22	29.19	29.20	29.23

Sunday Dec 31 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	49°	47°	48°	51°	56°	57°	53°	50°
wind	4mph	4mph	4mph	4mph	7mph	7mph	4mph	3mph
pressure in	29.26	29.24	29.27	29.31	29.30	29.24	29.24	29.25

Saturday Dec 31 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	54°	53°	54°	56°	58°	57°	57°	56°
wind	3mph	2mph	3mph	5mph	9mph	12mph	15mph	14mph
pressure in	29.24	29.22	29.20	29.21	29.17	29.09	29.01	28.94

Friday Dec 31 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	49°	48°	46°	49°	57°	56°	50°	46°
wind	4mph	3mph	3mph	4mph	6mph	8mph	8mph	7mph
pressure in	28.99	28.95	28.94	28.95	28.92	28.89	28.92	29.01

Thursday Dec 31 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	47°	43°	41°	48°	60°	59°	53°	49°
wind	5mph	4mph	6mph	6mph	14mph	16mph	11mph	10mph
pressure in	29.27	29.22	29.18	29.19	29.18	29.15	29.17	29.20

Tuesday Dec 31 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	50°	49°	48°	59°	62°	62°	55°	52°
wind	18mph	19mph	18mph	22mph	23mph	17mph	9mph	8mph
pressure in	29.20	29.19	29.21	29.26	29.26	29.23	29.25	29.27

Monday Dec 31 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	45°	43°	43°	51°	57°	56°	52°	49°
wind	5mph	4mph	5mph	9mph	22mph	23mph	21mph	25mph
pressure in	29.12	29.08	29.06	29.08	29.08	29.06	29.10	29.16

* Simi Valley, CA weather for December 31 is prepared on the basis of GFS data and is intended for personal use in the "as is" (as is) format. You can see on this page Simi Valley, CA Weather for December 31, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on December 31 for previous years is presented.