October weather forecast
Grafton, ND

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Weather in October

October advances the Fall season further, with colorful foliage adorning Grafton. Light jackets resurface as temperatures continue to dip. A significant drop is noticeable in rainfall with a total of just 1.69" (43mm) in October. October weather triggers a gradual transition into winter, marking another seasonal overhaul in North Dakota's weather calendar.

Temperature

The arrival of October signals a clear decrease in the average high-temperature, falling from an agreeable 70.5°F (21.4°C) in September to a cool 52.3°F (11.3°C). In October, the nighttime temperature in Grafton lowers to an average of 39°F (3.9°C).

Humidity

In Grafton, the average relative humidity in October is 68%.

Rainfall

In Grafton, during October, the rain falls for 9.1 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, in Grafton, there are 97.8 rainfall days, and 15.83" (402mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Grafton are January through May, October through December. October is the first month it typically snows in Grafton. Throughout October, in the average 2.7 snowfall days, it receives 0.91" (23mm) of snow. In Grafton, North Dakota, during the entire year, snow falls for 70.4 days and aggregates up to 18.46" (469mm) of snow.

Daylight

The average length of the day in October in Grafton, North Dakota, is 10h and 48min.
On the first day of the month, sunrise is at 7:30 am and sunset at 7:07 pm. On the last day of October, sunrise is at 8:15 am and sunset at 6:11 pm CDT.

Sunshine

In Grafton, the average sunshine in October is 5.3h.

UV index

In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In October, a daily UV index of 2 turns into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Grafton?

During October, Grafton experiences an average high-temperature of 52.3°F (11.3°C) and a low-temperature of 39°F (3.9°C).

What is the average humidity in October in Grafton?

In October, the average relative humidity is 68%.

How many days does it rain in October in Grafton?

In Grafton, North Dakota, in October, during 9.1 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When does it start to snow in Grafton?

October is the first month it typically snows. Throughout October, in the average 2.7 snowfall days, it receives 0.91" (23mm) of snow.

How many hours of daylight does Grafton have in October?

The average day length in October is 10h and 48min.

When is the sunrise / sunset in October in Grafton?

In October, on the first day of the month, sunrise is at 7:30 am and sunset at 7:07 pm. On the last day of the month, in Grafton, sunrise is at 8:15 am and sunset at 6:11 pm CDT.

How long on average sun shines in October in Grafton?

The average sunshine duration in October is 5.3h.

What is the UV index reading in October in Grafton?

In October, the average daily maximum UV index in Grafton is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Grafton, ND

Average temperature in October - Grafton, ND
  • Average high temperature in October: 52.3°F

The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is January (14.7°F).

  • Average low temperature in October: 39°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (0.9°F).

Average pressure in October
Grafton, ND

Average pressure in October - Grafton, ND
  • Average pressure in October: 29.94"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in October
Grafton, ND

Average wind speed in October - Grafton, ND
  • Average wind speed in October: 10.6mph

The windiest month (with the highest average wind speed) is October (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).

Average humidity in October
Grafton, ND

Average humidity in October - Grafton, ND
  • Average humidity in October: 68%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (59%).

Average rainfall in October
Grafton, ND

Average rainfall in October - Grafton, ND
  • Average rainfall in October: 1.69"

The wettest month (with the highest rainfall) is June (2.8").
The driest months (with the least rainfall) are January and February (0.55").

Average rainfall days in October
Grafton, ND

Average rainfall days in October - Grafton, ND
  • Average rainfall days in October: 9.1 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.6 days).

Average snowfall in October
Grafton, ND

Average snowfall in October - Grafton, ND
  • Average snowfall in October: 0.91"

The month with the highest snowfall is December (3.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Grafton, ND

Average snowfall days in October - Grafton, ND
  • Average snowfall days in October: 2.7 days

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Grafton, ND

Average daylight in October / Average sunshine in October - Grafton, ND
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in October: 5h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in October
Grafton, ND

Average sunshine days in October - Grafton, ND
  • Average sunshine days in October: 18 days

The month with the most sunshine days is August (19.8 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in October
Grafton, ND

Average UV index in October - Grafton, ND
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).

Average cloud cover in October
Grafton, ND

Average cloud cover in October - Grafton, ND
  • Average cloud cover in October: 43

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in October
Grafton, ND

Average visibility in October - Grafton, ND
  • Average visibility in October: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Grafton, North Dakota, USA

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