October weather forecast and climate
Portland, ND

October, the same as September, is another fresh autumn month in Portland, North Dakota, with temperature in the range of an average low of 39.6°F (4.2°C) and an average high of 53.4°F (11.9°C).

Temperature

In October, the average high-temperature plummets, from a pleasant 70.7°F (21.5°C) in September, to a fresh 53.4°F (11.9°C). In October, in Portland, the average low-temperature is 39.6°F (4.2°C).

Humidity

In Portland, the average relative humidity in October is 67%.

Rainfall

In Portland, North Dakota, during October, the rain falls for 9.6 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Portland, there are 101.8 rainfall days, and 18.23" (463mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Portland. October is the first month it typically snows. Throughout October, in the average 2.2 snowfall days, it receives 1.06" (27mm) of snow. In Portland, during the entire year, snow falls for 66.9 days, and aggregates up to 20.43" (519mm) of snow.

Daylight

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

Sunshine

In Portland, the average sunshine in October is 5.5h.

UV index

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Portland?

In October, in Portland, North Dakota, the average high-temperature is 53.4°F (11.9°C), and the average low-temperature is 39.6°F (4.2°C).

What is the average humidity in October in Portland?

The average relative humidity in October in Portland, North Dakota, is 67%.

How many days does it rain in October in Portland?

In October, the rain falls for 9.6 days. Throughout October, 2.01" (51mm) of precipitation is accumulated.

When does it start to snow in Portland?

October is the first month it typically snows in Portland. Throughout October, in the average 2.2 snowfall days, it receives 1.06" (27mm) of snow.

How many hours of daylight does Portland have in October?

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

How many hours of sunshine does Portland have in October?

In October, the average sunshine is 5.5h.

How high is the UV index in October in Portland?

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.
Average temperature in October - Portland, ND
  • Average high temperature in October: 11.9°C

The warmest months (with the highest average high temperature) are July and August (26.9°C).
The month with the lowest average high temperature is January (-9.1°C).

  • Average low temperature in October: 4.2°C

The month with the highest average low temperature is July (15.7°C).
The coldest month (with the lowest average low temperature) is January (-16.8°C).

Average pressure in October - Portland, ND
  • Average pressure in October: 1014.4mbar

The month with the highest atmospheric pressure is February (1021.7mbar).
The month with the lowest atmospheric pressure is June (1011.1mbar).

Average wind speed in October - Portland, ND
  • Average wind speed in October: 17.6km/h

The windiest month (with the highest average wind speed) is October (17.6km/h).
The calmest month (with the lowest average wind speed) is July (13.3km/h).

Average humidity in October - Portland, ND
  • Average humidity in October: 67%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).

Average rainfall in October - Portland, ND
  • Average rainfall in October: 51mm

The wettest month (with the highest rainfall) is June (89mm).
The driest months (with the least rainfall) are January and February (14mm).

Average rainfall days in October - Portland, ND
  • Average rainfall days in October: 9.6 days

The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in October - Portland, ND
  • Average snowfall in October: 27mm

The month with the highest snowfall is December (108mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in October - Portland, ND
  • Average snowfall days in October: 2.2 days

The month with the highest number of snowfall days is December (14 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in October: 5.5h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 3.3h).

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

The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is June (10.3 days).

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

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February and November (UV index 1).

Average cloud cover in October - Portland, ND
  • Average cloud cover in October: 42

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in October - Portland, ND
  • Average visibility in October: 9km

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