Bismarck vs Williston Climate
90%matchBismarck vs Williston: a 90% climate match. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Bismarck gets 18 in (467 mm) of rain a year and Williston 15 in (373 mm). July is the warmest month in both, with highs of 85°F (30°C) in Bismarck and 85°F (30°C) in Williston.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
BismarckWillistonsolid = high, dashed = low
Rain (in per month)
BismarckWilliston
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Bismarck | Williston | Bismarck | Williston | Bismarck | Williston | |
| Jan | 22°F(-5°C) | 23°F(-5°C) | 2°F(-17°C) | 2°F(-17°C) | 0.4 in(10 mm) | 0.5 in(12 mm) |
| Feb | 27°F(-3°C) | 28°F(-2°C) | 6°F(-14°C) | 6°F(-14°C) | 0.4 in(11 mm) | 0.4 in(9 mm) |
| Mar | 40°F(4°C) | 42°F(5°C) | 19°F(-7°C) | 19°F(-7°C) | 0.7 in(18 mm) | 0.7 in(18 mm) |
| Apr | 55°F(13°C) | 57°F(14°C) | 31°F(-1°C) | 31°F(-1°C) | 1.5 in(38 mm) | 1.1 in(27 mm) |
| May | 69°F(20°C) | 69°F(20°C) | 43°F(6°C) | 42°F(6°C) | 2.5 in(64 mm) | 2.1 in(54 mm) |
| Jun | 79°F(26°C) | 78°F(26°C) | 54°F(12°C) | 52°F(11°C) | 3.3 in(83 mm) | 2.6 in(65 mm) |
| Jul | 85°F(30°C) | 85°F(30°C) | 59°F(15°C) | 58°F(14°C) | 3.2 in(82 mm) | 2.5 in(63 mm) |
| Aug | 83°F(29°C) | 84°F(29°C) | 56°F(14°C) | 55°F(13°C) | 2.3 in(59 mm) | 1.6 in(41 mm) |
| Sep | 74°F(23°C) | 74°F(23°C) | 47°F(8°C) | 46°F(8°C) | 1.6 in(41 mm) | 1.3 in(34 mm) |
| Oct | 58°F(14°C) | 57°F(14°C) | 33°F(1°C) | 32°F(0°C) | 1.4 in(35 mm) | 0.9 in(22 mm) |
| Nov | 41°F(5°C) | 39°F(4°C) | 20°F(-7°C) | 18°F(-8°C) | 0.6 in(15 mm) | 0.6 in(16 mm) |
| Dec | 27°F(-3°C) | 27°F(-3°C) | 8°F(-13°C) | 7°F(-14°C) | 0.4 in(11 mm) | 0.5 in(12 mm) |
1991–2020 averages, by calendar month.