San Ysidro, CA 20 December Weather

Altitude - 33m | 32°33′0″N,117°2′24″W | map (OSM)

San Ysidro, CA

°F

7 amMostly Cloudy1mphE

Wed, December 17, 20257:53 AM (GMT -08:00)

Climatic norm in San Ysidro, CA Dec 20

48°
56°
65°

minimum
average
maximum

Saturday Dec 20 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	56°	54°	54°	58°	65°	65°	60°	57°
wind	1mph	1mph	1mph	2mph	5mph	6mph	3mph	1mph
pressure in	29.91	29.90	29.91	29.94	29.91	29.88	29.90	29.93

Friday Dec 20 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	51°	49°	49°	58°	66°	63°	56°	53°
wind	1mph	1mph	1mph	1mph	6mph	7mph	3mph	1mph
pressure in	29.98	30.00	30.02	30.05	30.02	29.99	30.03	30.06

Wednesday Dec 20 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	59°	59°	58°	62°	68°	67°	63°	62°
wind	2mph	2mph	5mph	6mph	10mph	13mph	8mph	6mph
pressure in	29.77	29.76	29.77	29.80	29.77	29.75	29.78	29.83

Tuesday Dec 20 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	47°	46°	45°	54°	62°	61°	55°	50°
wind	2mph	3mph	4mph	3mph	6mph	9mph	4mph	2mph
pressure in	30.14	30.12	30.13	30.14	30.09	30.05	30.05	30.06

Monday Dec 20 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	47°	45°	42°	51°	62°	61°	54°	51°
wind	2mph	2mph	3mph	2mph	3mph	6mph	2mph	2mph
pressure in	30.02	30.01	30.01	30.05	30.00	29.96	29.98	30.01

Sunday Dec 20 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	50°	49°	51°	62°	73°	72°	62°	56°
wind	2mph	2mph	3mph	4mph	5mph	7mph	3mph	2mph
pressure in	30.09	30.05	30.04	30.05	30.00	29.93	29.93	29.94

Friday Dec 20 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	50°	48°	50°	57°	68°	69°	62°	58°
wind	4mph	4mph	4mph	5mph	6mph	6mph	5mph	7mph
pressure in	30.06	30.06	30.07	30.10	30.06	30.02	30.04	30.07

Thursday Dec 20 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	53°	52°	49°	60°	67°	66°	61°	55°
wind	2mph	2mph	5mph	3mph	7mph	7mph	1mph	2mph
pressure in	30.01	29.99	29.98	30.00	29.97	29.93	29.93	29.94

* San Ysidro, CA weather for December 20 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 San Ysidro, CA Weather for December 20, 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 20 for previous years is presented.