Climate of Williston
Williston has a continental climate. It is warm in the summer and cold in the winter. The average annual temperature for Williston is 11° degrees and there is about 256 mm of rain in a year. It is dry for 211 days a year with an average humidity of 67% and an UV-index of 3.
Climate averages for the whole year
- Day: the average daily temperature during the day is between -6°C and 29°C
- Night:the average nighttime temperature is between -14°C and 16°C
- Rain: it rains 91 days and there is a total of approximately 256 mm rainfall
- Snow: it snows an average of 52 days per year
- Sun hours: throughout the year there are 2751 sun hours
Maximum temperature: | between -6°C and 29°C |
Warmest month: | 29°C in July |
Coldest month: | -6°C in January |
Night temperature: | between -14°C and 16°C |
Dry days: | 222 days |
Days with rain: | 91 days |
Days with snow: | 52 days |
Total rain sum: | 256 mm |
Hours of sunshine: | 2751 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Williston.
Precipitation graph
This graph shows the average amount of rainfall per month for Williston.
Climate table of Williston
In this climate table you can see at a glance what the average weather per month is for Williston. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Williston might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | -6 | -6 | 3 | 11 | 18 | 24 | 29 | 28 | 22 | 12 | 3 | -5 |
Night temp. (°C) | -14 | -14 | -6 | 2 | 8 | 13 | 16 | 16 | 12 | 4 | -4 | -12 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 11 | 11 | 12 | 23 | 44 | 45 | 30 | 21 | 17 | 22 | 11 | 9 |
Days with rain | 3 | 3 | 6 | 10 | 13 | 13 | 11 | 10 | 8 | 8 | 3 | 3 |
Days with snow | 11 | 12 | 8 | 4 | 1 | - | - | - | - | 2 | 5 | 9 |
Dry days | 17 | 13 | 17 | 16 | 17 | 17 | 20 | 21 | 22 | 21 | 22 | 19 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 4 | 5 | 5 | 8 | 10 | 11 | 12 | 11 | 9 | 7 | 5 | 4 |
Wind force (Bft) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
UV-index | 2 | 1 | 2 | 2 | 5 | 6 | 6 | 6 | 4 | 2 | 2 | 2 |
Best time to visit Williston
The best time to visit Williston in the state of North Dakota is from May through September. In this period you have a warm temperature and almost no precipitation. The highest average temperature in Williston is 29°C in July and the lowest is -6°C in January.
Climate of Williston by month
What is the average climate in a given month for Williston? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Williston weather experiences
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