Monthly weather forecast and climate
Portland, AR

Weather in January

January, like December, in Portland, Arkansas, is another fresh winter month, with average temperature ranging between min 38.1°F (3.4°C) and max 51.6°F (10.9°C). The coldest month is January, with an average high-temperature of 51.6°F (10.9°C) and an average low-temperature of 38.1°F (3.4°C). Weather in January »

Weather in February

February, the last month of the winter, in Portland, is a mild month, with average temperature fluctuating between 41.9°F (5.5°C) and 55.8°F (13.2°C). In Portland, the average high-temperature in February is practically the same as in January - a mild 55.8°F (13.2°C). Weather in February »

Weather in March

March, the first month of the spring, in Portland, is an enjoyable month, with average temperature varying between 64.4°F (18°C) and 48.7°F (9.3°C). In March, the average high-temperature slightly increases, from a moderate 55.8°F (13.2°C) in February, to an enjoyable 64.4°F (18°C). Weather in March »

Weather in April

April is an agreeable spring month in Portland, Arkansas, with average temperature fluctuating between 73°F (22.8°C) and 55.9°F (13.3°C). In April, the average high-temperature marginally rises, from a comfortable 64.4°F (18°C) in March, to an agreeable 73°F (22.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Portland, Arkansas, with average temperature fluctuating between 64.8°F (18.2°C) and 81.5°F (27.5°C). In Portland, the average high-temperature marginally rises, from an agreeable 73°F (22.8°C) in April, to a moderately hot 81.5°F (27.5°C). Weather in May »

Weather in June

June, the first month of the summer, in Portland, is a tropical month, with temperature in the range of an average high of 89.1°F (31.7°C) and an average low of 72.1°F (22.3°C). In June, the average high-temperature slightly increases, from a warm 81.5°F (27.5°C) in May, to a tropical 89.1°F (31.7°C). Weather in June »

Weather in July

July, the same as June, in Portland, Arkansas, is a hot summer month, with temperature in the range of an average high of 90.7°F (32.6°C) and an average low of 73.6°F (23.1°C). With an average high-temperature of 90.7°F (32.6°C) and an average low-temperature of 73.6°F (23.1°C), July is the warmest month. The average heat index in July is evaluated at a blistering 111°F (43.9°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Portland, Arkansas, with temperature in the range of an average low of 72.3°F (22.4°C) and an average high of 89.6°F (32°C). In Portland, the average high-temperature in August is practically the same as in July - a still tropical 89.6°F (32°C). Weather in August »

Weather in September

September, the first month of the autumn, in Portland, is still a tropical month, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 86°F (30°C). In September, the average high-temperature is essentially the same as in August - a still hot 86°F (30°C). Weather in September »

Weather in October

October, like September, in Portland, Arkansas, is a moderately hot autumn month, with average temperature varying between 75.6°F (24.2°C) and 57.2°F (14°C). In October, the average high-temperature drops, from a tropical 86°F (30°C) in September, to a moderately hot 75.6°F (24.2°C). Weather in October »

Weather in November

November, the last month of the autumn, in Portland, is also an enjoyable month, with average temperature fluctuating between 62.8°F (17.1°C) and 47.3°F (8.5°C). In November, the average high-temperature decreases, from a warm 75.6°F (24.2°C) in October, to a comfortable 62.8°F (17.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Portland, Arkansas, with average temperature fluctuating between 41.9°F (5.5°C) and 54.5°F (12.5°C). In December, the average high-temperature marginally drops, from an enjoyable 62.8°F (17.1°C) in November, to a cool 54.5°F (12.5°C). Weather in December »
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FAQ

What is the coldest month in Portland?

The coldest month is January, with an average high-temperature of 51.6°F (10.9°C) and an average low-temperature of 38.1°F (3.4°C).

How much does it rain in Portland?

In Portland, during the entire year, the rain falls for 158.8 days and collects up to 40.67" (1033mm) of precipitation.

When does it snow in Portland?

January through March and November are months with snowfall.

How many days does it snow in Portland?

In Portland, Arkansas, during the entire year, snow falls for 2.7 days, and aggregates up to 0.75" (19mm) of snow.

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

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Portland.

What are the most humid months in Portland?

Months with the highest humidity are February and March, with an average relative humidity of 79%.

When does it snow the most in Portland?

The month with the most snowfall in Portland, Arkansas, is February when snow falls for 1.2 days and typically aggregates up to 0.43" (11mm) of snow.

What is the month with the least sunshine in Portland?

The month with the least sunshine is February, with an average of 4.8h of sunshine.

What is the rainiest month in Portland?

The month with the most rainfall in Portland, Arkansas, is April when the rain falls for 13.7 days and typically aggregates up to 4.49" (114mm) of precipitation.

When it does not snow in Portland?

April through October and December are months without snowfall.

When are the longest days in Portland?

With an average of 14.3h of daylight, June has the longest days of the year in Portland.

What month has the most sunshine in Portland?

With an average of 10.8h of sunshine, June has the most sunshine of the year in Portland, Arkansas.

When is the highest UV index in Portland?

June through August, with an average maximum UV index of 7, are months with the highest UV index in Portland.

What is the warmest month in Portland?

The warmest month in Portland, Arkansas, is July, with an average high-temperature of 90.7°F (32.6°C) and an average low-temperature of 73.6°F (23.1°C).

What is the least humid month in Portland?

The least humid month is October, with an average relative humidity of 67%.

What is the driest month in Portland?

The month with the least rainfall in Portland, Arkansas, is November when the rain falls for 9.8 days and typically collects 2.44" (62mm) of precipitation.

What is the month with the shortest days in Portland?

The month with the shortest days is December, with an average of 10h of daylight.

Average temperature
Portland, AR

Average temperature - Portland, AR

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (51.6°F).

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

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Average pressure
Portland, AR

Average pressure - Portland, AR

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.95").

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Average wind speed
Portland, AR

Average wind speed - Portland, AR

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity
Portland, AR

Average humidity - Portland, AR

Months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (67%).

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Average rainfall
Portland, AR

Average rainfall - Portland, AR

The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is November (2.44").

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Average rainfall days
Portland, AR

Average rainfall days - Portland, AR

The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is October (9.3 days).

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Average snowfall
Portland, AR

Average snowfall - Portland, AR

The month with the highest snowfall is February (0.43").
Months with the least snowfall are April, May, June, July, August, September, October and December (0").

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Average snowfall days
Portland, AR

Average snowfall days - Portland, AR

The month with the highest number of snowfall days is February (1.2 days).
Months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).

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Average daylight / Average sunshine
Portland, AR

Average daylight / Average sunshine - Portland, AR

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

The month with the most sunshine is June (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days
Portland, AR

Average sunshine days - Portland, AR

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (12 days).

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Average visibility
Portland, AR

Average visibility - Portland, AR

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

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