Williston Reporting Station 1961-2000
| MONTH |
AVG HIGH |
AVG LOW |
WARMEST EVER |
COLDEST EVER |
AVG DEW POINT |
AVG PRECIP |
| Jan |
19.4 ° |
-3.3 ° |
53 ° |
-40 ° |
3 ° |
0.54 in. |
| Feb |
27.6 ° |
5.9 ° |
66 ° |
-41 ° |
10 ° |
0.39 in. |
| Mar |
40.1 ° |
17.2 ° |
78 ° |
-28 ° |
20 ° |
0.74 in. |
| Apr |
56 ° |
29.1 ° |
92 ° |
-15 ° |
29 ° |
1.05 in. |
| May |
68.2 ° |
40.9 ° |
106 ° |
17 ° |
39 ° |
1.88 in. |
| Jun |
77.3 ° |
50.1 ° |
106 ° |
26 ° |
49 ° |
2.36 in. |
| Jul |
83.4 ° |
55.2 ° |
109 ° |
34 ° |
53 ° |
2.28 in. |
| Aug |
82.8 ° |
53.8 ° |
108 ° |
34 ° |
50 ° |
1.48 in. |
| Sept |
70 ° |
42.2 ° |
104 ° |
17 ° |
41 ° |
1.35 in. |
| Oct |
57 ° |
30.2 ° |
93 ° |
-3 ° |
31 ° |
0.87 in. |
| Nov |
36.2 ° |
14.9 ° |
76 ° |
-27 ° |
19 ° |
0.65 in. |
| Dec |
24 ° |
2.1 ° |
58 ° |
-50 ° |
8 ° |
0.57 in. |