San Juan 18 December Weather

Altitude - 633m | 31°31′59″S,68°30′50″W | map (OSM)

San Juan

°F

9 amFair18mphS

Sun, December 14, 20259:32 AM (GMT -03:00)

Climatic norm in San Juan Dec 18

66°
77°
87°

minimum
average
maximum

Thursday Dec 18 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	80°	75°	72°	79°	89°	94°	95°	88°
wind	5mph	3mph	5mph	11mph	14mph	12mph	10mph	7mph
pressure in	27.63	27.61	27.64	27.71	27.70	27.62	27.56	27.57

Wednesday Dec 18 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	64°	74°	67°	64°	73°	83°	85°	80°
wind	7mph	12mph	13mph	12mph	10mph	11mph	9mph	6mph
pressure in	27.66	27.70	27.73	27.78	27.77	27.74	27.71	27.75

Monday Dec 18 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	78°	72°	68°	68°	72°	76°	76°	69°
wind	15mph	16mph	18mph	18mph	18mph	18mph	16mph	14mph
pressure in	27.76	27.75	27.80	27.86	27.85	27.79	27.76	27.85

Sunday Dec 18 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	73°	67°	64°	70°	80°	88°	90°	83°
wind	6mph	19mph	8mph	5mph	7mph	6mph	10mph	11mph
pressure in	27.69	27.69	27.71	27.75	27.74	27.67	27.62	27.68

Saturday Dec 18 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	82°	79°	75°	82°	93°	98°	100°	91°
wind	9mph	9mph	10mph	11mph	10mph	5mph	7mph	9mph
pressure in	27.74	27.71	27.72	27.75	27.74	27.67	27.63	27.68

Friday Dec 18 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	78°	69°	67°	75°	87°	99°	95°	76°
wind	11mph	14mph	12mph	8mph	7mph	15mph	23mph	20mph
pressure in	27.60	27.55	27.53	27.56	27.51	27.45	27.45	27.58

Wednesday Dec 18 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	81°	77°	74°	78°	90°	97°	99°	91°
wind	11mph	11mph	8mph	6mph	6mph	8mph	8mph	9mph
pressure in	27.64	27.61	27.62	27.65	27.64	27.56	27.51	27.56

Tuesday Dec 18 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	73°	69°	65°	69°	76°	81°	83°	77°
wind	12mph	10mph	7mph	8mph	8mph	7mph	7mph	5mph
pressure in	27.92	27.91	27.91	27.95	27.93	27.84	27.79	27.81

* San Juan weather for December 18 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 Juan Weather for December 18, 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 18 for previous years is presented.