As of 13:24 EDT

Sylvan Beach, NY weather in December

64°

Sylvan Beach, Thursday, 8 October, 13:24

Mostly clear. Feels like 63°. High 65°, low 52°.

Pressure29.85 inHg

Wind14.1 mph W

Humidity60%

Visibility6.2 mi

Dew point50°

See detailed hourly forecast

In December, Sylvan Beach, NY averages a high of 34.8° and a low of 23.2°. About 4.8 inches of precipitation fall over the month (18 wet days). The record high is 64.4° (2012) and the record low -18.9° (1980). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	39.9°	28.9°	53%	59.2° (2006)	10.2° (1989)
2	39°	27.5°	62%	57.9° (1998)	4.5° (1989)
3	39°	27.1°	55%	59.7° (1982)	1.8° (1976)
4	37.8°	26.4°	58%	64.4° (2012)	6.3° (1966)
5	37.4°	26.8°	52%	62.2° (1982)	-5.3° (2025)
6	38.5°	27.5°	62%	63.1° (1998)	13.1° (2025)
7	35.4°	25.5°	65%	63° (1998)	9.5° (1972)
8	34.7°	23.7°	47%	57° (1966)	5.4° (2008)
9	35.8°	24.3°	58%	55.2° (1966)	-1.8° (1989)
10	36.9°	25°	58%	59° (1966)	1.4° (1976)
11	35.8°	24.4°	60%	58.3° (2021)	0.1° (1988)
12	35.6°	24.3°	60%	54.5° (2015)	-5.4° (1977)
13	35.4°	23.7°	57%	52.5° (1991)	3.4° (1989)
14	35.2°	23.5°	58%	59.9° (2015)	-1.5° (2005)
15	35.4°	24.1°	57%	56.5° (2015)	-0.8° (1989)
16	35.2°	24.3°	57%	61° (2021)	3.4° (2016)
17	34°	23.2°	62%	54° (2021)	-0.2° (1972)
18	32.2°	21°	52%	45.9° (1996)	4.5° (1980)
19	31.6°	19.4°	63%	51.1° (2025)	-3.6° (1973)
20	31.8°	21.2°	55%	47.5° (2018)	-4.9° (1962)
21	33.6°	21°	52%	56.1° (2018)	-15.2° (1962)
22	33.1°	21.6°	50%	53.8° (1990)	-10.5° (1989)
23	34.5°	22.6°	62%	56.3° (2015)	-9.9° (1989)
24	33.3°	21.9°	58%	63.3° (2015)	-10.3° (1989)
25	32.4°	19.2°	50%	54.7° (1964)	-18.9° (1980)
26	30.7°	19.4°	57%	54° (1982)	-12.1° (1968)
27	30.7°	18.9°	50%	47.8° (2015)	-10.8° (1989)
28	33.8°	21°	48%	55.2° (1982)	-9.8° (1960)
29	34°	21.6°	60%	57.4° (1984)	-8° (1993)
30	32.4°	19.8°	60%	57° (2022)	-9.4° (1962)
31	33.1°	19.6°	63%	56.3° (1965)	-9.8° (1962)