Williston
North Dakota, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Williston, ND

October, the same as September, in Williston, North Dakota, is a moderate autumn month, with average temperature varying between 29.8°F (-1.2°C) and 56.3°F (13.5°C).

Temperature

In October, the average high-temperature plummets, from a pleasant 71.2°F (21.8°C) in September, to a moderate 56.3°F (13.5°C). The average low-temperature, in October, is 29.8°F (-1.2°C).

Humidity

The average relative humidity in Williston is 65.2%.

Rainfall

In Williston, in October, it is raining for 6.3 days, with typically 0.9" (23.4mm) of accumulated precipitation. Throughout the year, in Williston, there are 96.5 rainfall days, and 14.4" (364.9mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Williston, the average length of the day in October is 10.8h.

Sunshine

In Williston, the average sunshine is 6.4h.

UV index

The average daily maximum UV index in Williston is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Williston?

The average high-temperature, in October, is 56.3°F (13.5°C), while the average low-temperature is 29.8°F (-1.2°C).

What is the average humidity in October in Williston?

In Williston, North Dakota, the average relative humidity in October is 65.2%.

How much does it rain in Williston in October?

In Williston, North Dakota, during October, the rain falls for 6.3 days and regularly aggregates up to 0.9" (23.4mm) of precipitation.

How many days does it snow in October in Williston?

In Williston, during October, snow falls for 1.8 days and regularly aggregates up to 2.6" (66mm) of snow.

What is the average length of the day in October in Williston?

The average length of the day in October in Williston, North Dakota, is 10.8h.

How long on average sun shines in October in Williston?

The average sunshine in October in Williston is 6.4h.

How high is the UV index in October in Williston?

In October, the average daily maximum UV index in Williston, North Dakota, is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in October - Williston, ND
  • Average high temperature in October: 56.3°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (21.9°F).

  • Average low temperature in October: 29.8°F

The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (0.1°F).

Average humidity in October - Williston, ND
  • Average humidity in October: 65.2%

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

Average rainfall in October - Williston, ND
  • Average rainfall in October: 0.9"

Wettest months (with the highest rainfall) are June and July (2.5").
The driest month (with the lowest rainfall) is February (0.4").

Average rainfall days in October - Williston, ND
  • Average rainfall days in October: 6.3 days

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 in October - Williston, ND
  • Average snowfall in October: 2.6"

The month with the highest snowfall is January (10").
Months with the lowest snowfall are June, July and August (0").

Average snowfall days in October - Williston, ND
  • Average snowfall days in October: 1.8 days

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 in October / Average sunshine in October - Williston, ND
  • Average daylight in October: 10.8h

The month with the longest days is June (Average daylight: 16h).
The month with shortest days is December (Average daylight: 8.4h).

  • Average sunshine in October: 6.4h

The month with most sunshine is July (Average sunshine: 11.8h).
The month with least sunshine is December (Average sunshine: 4h).

Average UV index in October - Williston, ND
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 8).
Months with the lowest UV index are January, February, November and December (UV index 1).