October weather forecast and climate
Grafton, ND

October, like September, in Grafton, North Dakota, is a cool autumn month, with average temperature fluctuating between 39°F (3.9°C) and 52.3°F (11.3°C).

Temperature

In October, the average high-temperature declines considerably, from an agreeable 70.5°F (21.4°C) in September, to a fresh 52.3°F (11.3°C). The average low-temperature, in October, is 39°F (3.9°C).

Humidity

The average relative humidity is 68%.

Rainfall

In Grafton, North Dakota, during October, the rain falls for 9.1 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Grafton, North Dakota, during the entire year, the rain falls for 97.8 days and collects up to 15.83" (402mm) of precipitation.

Snowfall

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

Daylight

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

Sunshine

The average sunshine in Grafton is 5.3h.

UV index

In Grafton, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in October transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in October in Grafton?

In Grafton, North Dakota, in October, the average high-temperature is 52.3°F (11.3°C), and the average low-temperature is 39°F (3.9°C).

What is the average humidity in October in Grafton?

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

How many days does it rain in October in Grafton?

In Grafton, North Dakota, during October, the rain falls for 9.1 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When does it start snowing in Grafton?

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.

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

In October, the average length of the day in Grafton, North Dakota, is 10.8h.

How long on average sun shines in October in Grafton?

The average sunshine 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, North Dakota, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in October - Grafton, ND
  • Average high temperature in October: 11.3°C

The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (-9.6°C).

  • Average low temperature in October: 3.9°C

The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is January (-17.3°C).

Average pressure in October - Grafton, ND
  • Average pressure in October: 1014mbar

The month with the highest atmospheric pressure is February (1021.5mbar).
The month with the lowest atmospheric pressure is June (1010.9mbar).

Average wind speed in October - Grafton, ND
  • Average wind speed in October: 17km/h

The windiest month (with the highest average wind speed) is October (17km/h).
The calmest months (with the lowest average wind speed) are July and August (13.1km/h).

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: 43mm

The wettest month (with the highest rainfall) is June (71mm).
The driest months (with the least rainfall) are January and February (14mm).

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: 23mm

The month with the highest snowfall is December (100mm).
Months with the least snowfall are June, July, August and September (0mm).

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).
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: 10.8h

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

  • Average sunshine in October: 5.3h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 3.2h).

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: 2

The month with the highest UV index is July (UV index 6).
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: 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: 9km

Months with the highest visibility are May, July, August and September (10km).
Months with the lowest visibility are January, February, March and December (8km).