According to the Köppen Climate Classification system, Reynolds has a warm-summer mediterranean climate, abbreviated "Csb" on climate maps. The hottest temperature recorded in Reynolds was 107 °F (41.7 °C) on July 13, 2002, while the coldest temperature recorded was −24 °F (−31.1 °C) on January 22, 1962.[3]
| Climate data for Reynolds, Idaho, 1991–2020 normals, extremes 1961–2014 |
| Month |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
| Record high °F (°C) |
62
(17) |
70
(21) |
78
(26) |
87
(31) |
97
(36) |
102
(39) |
107
(42) |
105
(41) |
98
(37) |
93
(34) |
77
(25) |
63
(17) |
107
(42) |
| Mean maximum °F (°C) |
53.8
(12.1) |
57.1
(13.9) |
67.1
(19.5) |
77.3
(25.2) |
86.1
(30.1) |
94.0
(34.4) |
99.3
(37.4) |
98.0
(36.7) |
91.4
(33.0) |
81.7
(27.6) |
65.8
(18.8) |
54.8
(12.7) |
100.2
(37.9) |
| Mean daily maximum °F (°C) |
39.4
(4.1) |
43.3
(6.3) |
51.7
(10.9) |
58.0
(14.4) |
67.6
(19.8) |
76.2
(24.6) |
87.1
(30.6) |
85.9
(29.9) |
75.7
(24.3) |
61.8
(16.6) |
47.5
(8.6) |
38.7
(3.7) |
61.1
(16.2) |
| Daily mean °F (°C) |
30.0
(−1.1) |
33.1
(0.6) |
39.9
(4.4) |
45.0
(7.2) |
53.6
(12.0) |
60.8
(16.0) |
70.1
(21.2) |
68.7
(20.4) |
59.6
(15.3) |
47.5
(8.6) |
36.0
(2.2) |
29.2
(−1.6) |
47.8
(8.8) |
| Mean daily minimum °F (°C) |
20.5
(−6.4) |
23.0
(−5.0) |
28.0
(−2.2) |
32.1
(0.1) |
39.6
(4.2) |
45.4
(7.4) |
53.1
(11.7) |
51.6
(10.9) |
43.5
(6.4) |
33.1
(0.6) |
24.6
(−4.1) |
19.8
(−6.8) |
34.5
(1.4) |
| Mean minimum °F (°C) |
4.7
(−15.2) |
7.6
(−13.6) |
17.1
(−8.3) |
21.5
(−5.8) |
27.3
(−2.6) |
34.3
(1.3) |
41.6
(5.3) |
40.9
(4.9) |
29.8
(−1.2) |
19.8
(−6.8) |
10.0
(−12.2) |
2.3
(−16.5) |
−2.6
(−19.2) |
| Record low °F (°C) |
−24
(−31) |
−13
(−25) |
−2
(−19) |
12
(−11) |
20
(−7) |
27
(−3) |
32
(0) |
32
(0) |
19
(−7) |
11
(−12) |
−7
(−22) |
−22
(−30) |
−24
(−31) |
| Average precipitation inches (mm) |
1.13
(29) |
0.82
(21) |
1.03
(26) |
0.91
(23) |
1.44
(37) |
0.81
(21) |
0.33
(8.4) |
0.27
(6.9) |
0.35
(8.9) |
0.69
(18) |
0.95
(24) |
1.18
(30) |
9.91
(253.2) |
| Average precipitation days (≥ 0.01 in) |
10.6 |
8.5 |
9.7 |
9.3 |
9.4 |
6.6 |
3.8 |
2.2 |
2.8 |
5.6 |
9.3 |
11.0 |
88.8 |
| Source 1: NOAA[4] |
| Source 2: National Weather Service (mean maxima/minima 1981–2010)[3] |
