Monthly weather forecast and climate
Williston, ND

What is the coldest month in Williston?

January is the coldest month in Williston, with an average high-temperature of 21.9°F (-5.6°C) and an average low-temperature of 0.1°F (-17.7°C).

How much does it rain in Williston?

Throughout the year, there are 96.5 rainfall days, and 14.4" (364.9mm) of precipitation is accumulated.

When does it snow in Williston?

Months with snowfall in Williston, North Dakota, are January through May, September through December.

How much does it snow in Williston?

Throughout the year, in Williston, there are 41.2 snowfall days, and 45.3" (1150.6mm) of snow is accumulated.

What is the snowiest month in Williston?

The month with the most snowfall is January when snow falls for 8.7 days and typically aggregates up to 10" (254mm) of snow.

What is the driest month in Williston?

The month with the least rainfall in Williston, North Dakota, is February when the rain falls for 6 days and typically collects 0.4" (9.9mm) of precipitation.

What is the warmest month in Williston?

With an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 55.8°F (13.2°C), July is the warmest month.

What is the wettest month in Williston?

The month with the most rainfall is July when the rain falls for 9 days and typically aggregates up to 2.5" (64.5mm) of precipitation.
Average temperature - Williston, ND
Average humidity - Williston, ND

The month with the highest relative humidity is December (77.1%).
The month with the lowest relative humidity is August (54.9%).

Average rainfall - Williston, ND
Average rainfall days - Williston, ND

The month with the highest number of rainy days is June (11.5 days).
The month with the lowest number of rainy days is February (6 days).

Average snowfall days - Williston, ND

The month with the highest number of snowfall days is December (9.1 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Williston, ND
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