St. Marys, PA 13 December Weather

Altitude - 519m | 41°25′41″N,78°33′40″W | map (OSM)

St. Marys, PA

°F

10:30 pmCloudy6mphE

Mon, December 1, 202511:06 PM (GMT -05:00)

Climatic norm in St. Marys, PA Dec 13

19°
26°
33°

minimum
average
maximum

Saturday Dec 13 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	22°	21°	21°	22°	26°	28°	25°	23°
wind	8mph	8mph	8mph	8mph	11mph	10mph	9mph	8mph
pressure in	28.18	28.19	28.22	28.24	28.24	28.28	28.30	28.31

Friday Dec 13 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	17°	17°	16°	18°	23°	26°	20°	16°
wind	8mph	7mph	6mph	6mph	6mph	3mph	2mph	2mph
pressure in	28.54	28.57	28.63	28.71	28.74	28.76	28.80	28.85

Wednesday Dec 13 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	36°	33°	30°	31°	36°	37°	33°	30°
wind	9mph	8mph	8mph	10mph	12mph	12mph	9mph	7mph
pressure in	28.54	28.58	28.60	28.65	28.67	28.68	28.71	28.75

* St. Marys, PA weather for December 13 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 St. Marys, PA Weather for December 13, 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 13 for previous years is presented.