Climate data for Roslyn 2021
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 53
(12)
53
(12)
82
(28)
78
(26)
90
(32)
96
(36)
94
(34)
96
(36)
87
(31)
81
(27)
71
(22)
64
(18)
96
(36)
Mean daily maximum °F (°C) 41.0
(5.0)
39.5
(4.2)
53.0
(11.7)
62.2
(16.8)
70.6
(21.4)
82.1
(27.8)
83.6
(28.7)
84.4
(29.1)
78.3
(25.7)
69.8
(21.0)
54.6
(12.6)
49.7
(9.8)
64.1
(17.8)
Daily mean °F (°C) 35.5
(1.9)
34.1
(1.2)
44.6
(7.0)
53.5
(11.9)
62.1
(16.7)
73.7
(23.2)
76.5
(24.7)
78.0
(25.6)
71.5
(21.9)
63.3
(17.4)
47.2
(8.4)
44.0
(6.7)
57.0
(13.9)
Mean daily minimum °F (°C) 30.1
(−1.1)
28.7
(−1.8)
36.1
(2.3)
44.7
(7.1)
53.5
(11.9)
65.2
(18.4)
69.4
(20.8)
71.5
(21.9)
64.6
(18.1)
56.9
(13.8)
39.8
(4.3)
38.3
(3.5)
49.9
(9.9)
Record low °F (°C) 16
(−9)
16
(−9)
22
(−6)
30
(−1)
44
(7)
53
(12)
59
(15)
63
(17)
55
(13)
46
(8)
31
(−1)
25
(−4)
16
(−9)
Average precipitation inches (mm) 2.31
(59)
4.15
(105)
3.06
(78)
3.25
(83)
4.54
(115)
1.25
(32)
10.68
(271)
6.88
(175)
7.13
(181)
5.79
(147)
1.03
(26)
1.38
(35)
51.45
(1,307)
Average snowfall inches (cm) 0.5
(1.3)
24.1
(61)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0.4
(1.0)
25.0
(64)
Average precipitation days 5 12 4 9 9 7 15 10 5 7 7 11 101
Source: Nowdata (Temps using LGA-FRG Average, Precipitation using Albertson CoCoRaHS)