Monthly weather forecast and climate
Portland, ND

January, the same as December, in Portland, North Dakota, is another subzero cold winter month, with average temperature fluctuating between 1.8°F (-16.8°C) and 15.6°F (-9.1°C). January is the coldest month, with an average high-temperature of 15.6°F (-9.1°C) and an average low-temperature of 1.8°F (-16.8°C). Weather in January »

The last month of the winter, February, is another freezing cold month in Portland, North Dakota, with temperature in the range of an average high of 18.3°F (-7.6°C) and an average low of 4.3°F (-15.4°C). In February, the average high-temperature is relatively the same as in January - a still freezing cold 18.3°F (-7.6°C). Weather in February »

March, the first month of the spring, in Portland, is a cold month, with average temperature ranging between min 20.7°F (-6.3°C) and max 34.2°F (1.2°C). In Portland, the average high-temperature in March increases considerably, from a subzero cold 18.3°F (-7.6°C) in February, to a cold 34.2°F (1.2°C). Weather in March »

April is a fresh spring month in Portland, North Dakota, with average temperature varying between 35.1°F (1.7°C) and 50.2°F (10.1°C). In April, the average high-temperature increases considerably, from a wintry 34.2°F (1.2°C) in March, to a fresh 50.2°F (10.1°C). Weather in April »

The last month of the spring, May, is a comfortable month in Portland, North Dakota, with temperature in the range of an average low of 48.2°F (9°C) and an average high of 64.9°F (18.3°C). In May, the average high-temperature soars, from a fresh 50.2°F (10.1°C) in April, to a comfortable 64.9°F (18.3°C). Weather in May »

June, the first month of the summer, in Portland, is a moderately hot month, with average temperature varying between 55.9°F (13.3°C) and 73.4°F (23°C). In June, the average high-temperature slightly increases, from a comfortable 64.9°F (18.3°C) in May, to a moderately hot 73.4°F (23°C). Weather in June »

July, the same as June, is a moderately hot summer month in Portland, North Dakota, with average temperature fluctuating between 60.3°F (15.7°C) and 80.4°F (26.9°C). July and August, with an average high-temperature of 80.4°F (26.9°C), are the warmest months. Weather in July »

The last month of the summer, August, is another warm month in Portland, North Dakota, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 59.4°F (15.2°C). The warmest months are July and August, with an average high-temperature of 80.4°F (26.9°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Portland, North Dakota, with average temperature fluctuating between 70.7°F (21.5°C) and 52°F (11.1°C). In Portland, the average high-temperature in September decreases, from a moderately hot 80.4°F (26.9°C) in August, to a pleasant 70.7°F (21.5°C). Weather in September »

October, like September, in Portland, North Dakota, is a cool autumn month, with average temperature varying between 39.6°F (4.2°C) and 53.4°F (11.9°C). In Portland, the average high-temperature declines considerably, from a pleasant 70.7°F (21.5°C) in September, to a fresh 53.4°F (11.9°C). Weather in October »

November, the last month of the autumn, in Portland, is also a wintry month, with average temperature varying between 24.4°F (-4.2°C) and 36°F (2.2°C). In Portland, the average high-temperature plummets, from a cool 53.4°F (11.9°C) in October, to a cold 36°F (2.2°C). Weather in November »

December, the first month of the winter, in Portland, is also a subzero cold month, with average temperature varying between 8.6°F (-13°C) and 19.8°F (-6.8°C). In December, the average high-temperature significantly decreases, from a cold 36°F (2.2°C) in November, to a subzero cold 19.8°F (-6.8°C). Weather in December »

What is the coldest month in Portland?

January is the coldest month, with an average high-temperature of 15.6°F (-9.1°C) and an average low-temperature of 1.8°F (-16.8°C).

What is the most humid month in Portland?

The most humid month in Portland, North Dakota, is January, with an average relative humidity of 91%.

How many days does it rain in Portland?

Throughout the year, in Portland, North Dakota, there are 101.8 rainfall days, and 18.23" (463mm) of precipitation is accumulated.

What is the driest month in Portland?

Months with the least rainfall in Portland, North Dakota, are January and February Rain falls for 2.7 days and accumulates 0.55" (14mm) of rain.

When does it snow in Portland?

January through May, October through December are months with snowfall.

How many days does it snow in Portland?

Throughout the year, there are 66.9 snowfall days, and 20.43" (519mm) of snow is accumulated.

What is the month with the least sunshine in Portland?

January has the least sunshine of the year in Portland, with an average of 3.3h of sunshine.

What is the month with the lowest UV index in Portland?

January, February and November, with an average maximum UV index of 1, are months with the lowest UV index in Portland, North Dakota.

What is the rainiest month in Portland?

The month with the most rainfall is June when the rain falls for 16.9 days and typically aggregates up to 3.5" (89mm) of precipitation.

When it does not snow in Portland?

June through September are months without snowfall.

When are the longest days in Portland?

The month with the longest days in Portland is June, with an average of 15.9h of daylight.

What are the months with the highest UV index in Portland?

Months with the highest UV index in Portland, North Dakota, are June and July, with an average maximum UV index of 6.

What is the warmest month in Portland?

Warmest months are July and August, with an average high-temperature of 80.4°F (26.9°C).

What month has the most sunshine in Portland?

With an average of 10.7h of sunshine, July has the most sunshine of the year in Portland.

What is the least humid month in Portland?

With an average relative humidity of 61%, August is the least humid month in Portland.

What is the snowiest month in Portland?

The month with the most snowfall in Portland, North Dakota, is December when snow falls for 14 days and typically aggregates up to 4.25" (108mm) of snow.

What is the month with the shortest days in Portland?

With an average of 8.5h of daylight, December has the shortest days of the year in Portland.
Average temperature - Portland, ND
Average pressure - Portland, ND

The month with the highest atmospheric pressure is February (30.17").
The month with the lowest atmospheric pressure is June (29.86").

Average wind speed - Portland, ND

The windiest month (with the highest average wind speed) is October (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

Average rainfall - Portland, ND

The wettest month (with the highest rainfall) is June (3.5").
The driest months (with the least rainfall) are January and February (0.55").

Average rainfall days - Portland, ND

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 - Portland, ND
Average snowfall days - Portland, ND

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 / Average sunshine - Portland, ND

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

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 - Portland, ND

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 visibility - Portland, ND

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