Climate and monthly weather forecast
Portland, AR

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Weather in January

January, the same as December, is a cool winter month in Portland, Arkansas, with an average temperature ranging between min 38.1°F (3.4°C) and max 51.6°F (10.9°C). January, recording an average high temperature of 51.6°F (10.9°C) and a low temperature of 38.1°F (3.4°C), is Portland's coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a mild month in Portland, Arkansas, with an average temperature ranging between min 41.9°F (5.5°C) and max 55.8°F (13.2°C). As January turns into February, the average high-temperatures rest at a moderate 55.8°F (13.2°C), showing a minor variation from the prior month. Weather in February »

Weather in March

The first month of the spring, March, is a refreshing month in Portland, Arkansas, with an average temperature varying between 48.7°F (9.3°C) and 64.4°F (18°C). Portland in March experiences a slight uptick in the average high-temperature, adjusting from February's moderate 55.8°F (13.2°C) to an enjoyable 64.4°F (18°C). Weather in March »

Weather in April

April is an agreeable spring month in Portland, Arkansas, with an average temperature varying between 55.9°F (13.3°C) and 73°F (22.8°C). A subtle rise in the average high-temperature is observed during April, adjusting from a refreshing 64.4°F (18°C) in March to an agreeable 73°F (22.8°C). Weather in April »

Weather in May

May, the last month of the spring in Portland, is a warm month, with an average temperature varying between 64.8°F (18.2°C) and 81.5°F (27.5°C). With the onset of May, the average high-temperature subtly transitions 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

The first month of the summer, June, is a tropical month in Portland, Arkansas, with an average temperature ranging between max 89.1°F (31.7°C) and min 72.1°F (22.3°C). June's onset witnesses a minor shift in the average high-temperature, moving from a moderately hot 81.5°F (27.5°C) in May to a hot 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 an average temperature varying between 90.7°F (32.6°C) and 73.6°F (23.1°C). July is the month when Portland sees the highest average temperatures, with a high of 90.7°F (32.6°C) and a low of 73.6°F (23.1°C). July's average heat index is computed to be a blisteringly hot 111.2°F (44°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Portland, Arkansas, with an average temperature fluctuating between 72.3°F (22.4°C) and 89.6°F (32°C). As Portland welcomes August, the average high-temperature stabilizes at a still tropical 89.6°F (32°C), showing little deviation from July's 90.7°F (32.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Portland, Arkansas, 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). The shift to September signals an average high-temperature of a still tropical 86°F (30°C), subtly varied from August's 89.6°F (32°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Portland, Arkansas, with an average temperature varying between 57.2°F (14°C) and 75.6°F (24.2°C). Observing a mild shift, the average high-temperature during October reduces from September's tropical 86°F (30°C) to a warm 75.6°F (24.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Portland, is another comfortable month, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 47.3°F (8.5°C). With November's arrival, Portland's weather changes as the average high-temperature falls from a moderately hot 75.6°F (24.2°C) in October to a refreshing 62.8°F (17.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Portland, Arkansas, with an average temperature varying between 41.9°F (5.5°C) and 54.5°F (12.5°C). A moderate decline in average high-temperatures is noted in December, moving from a comfortable 62.8°F (17.1°C) in November to a fresh 54.5°F (12.5°C). Weather in December »

Frequently asked questions

What is the coldest time of year?

January, marked by an average high-temperature of 51.6°F (10.9°C) and a low-temperature of 38.1°F (3.4°C), is the coldest month.

How many days does it rain?

Throughout the year, there are 158.8 rainfall days, and 40.67" (1033mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through March and November.

How much does it snow?

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

When is the lowest UV index?

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

What are the most humid months?

February and March, with an average relative humidity of 79%, are most humid months.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 1.2 days and accumulates 0.43" (11mm) of snow.

What is the month with the least sunshine?

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

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month?

April is the month with the most rainfall. Rain falls for 13.7 days and accumulates 4.49" (114mm) of precipitation.

When it does not snow in Portland?

In Portland, snow does not fall in April through October and December.

When are the longest days?

The month with the longest days in Portland is June, with an average of 14h and 18min of daylight.

What month has the most sunshine?

June has the most sunshine of the year, with an average of 10.8h of sunshine.

When is the highest UV index?

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

What month is the hottest?

Portland records the warmest temperatures in July, averaging a high of 90.7°F (32.6°C) and a low of 73.6°F (23.1°C).

What is the least humid month?

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

What is the driest month?

November is the month with the least rainfall. Rain falls for 9.8 days and accumulates 2.44" (62mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 0min 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).

Average pressure
Portland, AR

Average pressure - Portland, AR

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

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).

Average humidity
Portland, AR

Average humidity - Portland, AR

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

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").

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).

Average snowfall
Portland, AR

Average snowfall - Portland, AR

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

Average snowfall days
Portland, AR

Average snowfall days - Portland, AR

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

Average daylight / Average sunshine
Portland, AR

Average daylight / Average sunshine - Portland, AR

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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).

Average UV index
Portland, AR

Average UV index - Portland, AR

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average visibility
Portland, AR

Average visibility - Portland, AR

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

Portland, Arkansas, USA

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