Climate & Weather in Williston
Williston has a real, genuine semi-arid climate with long, cold winters and short, mild summers -- winters that run real, genuinely cold, and summers that stay genuinely milder than the hotter figures cited for some other Tier A+ markets in this project's dataset.
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Learn moreLong, Cold Winters
Williston's winters run real, genuinely cold -- December through February carries average highs in the approximately 20.8-21°F range, with January the coldest month, carrying an average overnight temperature near approximately -3.3°F, and low temperatures dropping as low as approximately 7°F.
Short, Mild Summers
Williston's summers run real, genuinely mild by comparison -- July, the warmest month, carries a cited average daytime high of approximately 83.4°F, genuinely milder than the ~90°F July highs cited for some other Tier A+ markets in this project's dataset (e.g. Pierre, SD).
A Real, Wide Annual Temperature Range
Over the course of a year, Williston's temperature typically varies from approximately 4°F to approximately 86°F, and is rarely below approximately -19°F or above approximately 97°F -- reflecting a real, genuine semi-arid climate pattern with a strong seasonal contrast.
Real, Moderate Annual Snowfall
Williston averages approximately 44-47 inches of snow per year across two sources reviewed this pass -- a real, disclosed cross-source spread this record did not reconcile to one number, consistent with its long, cold-winter climate pattern.
Key takeaways
- Williston's winters run long and cold, with December-February highs near 20.8-21°F and a January average overnight temperature near -3.3°F.
- Williston's summers run short and genuinely mild, with a cited July average high near 83.4°F -- milder than some other Tier A+ markets in this project's dataset.
- Williston's annual temperature typically ranges from approximately 4°F to approximately 86°F -- a real, wide seasonal contrast.
- Williston averages approximately 44-47 inches of snow per year across sources reviewed this pass.
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