Climate and monthly weather forecast
Portland, OH

Weather in January

January, like December, in Portland, Ohio, is a wintry winter month, with an average temperature varying between 24.3°F (-4.3°C) and 37.6°F (3.1°C). With an average high-temperature of 37.6°F (3.1°C) and an average low-temperature of 24.3°F (-4.3°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Portland, is also a wintry month, with an average temperature fluctuating between 42.3°F (5.7°C) and 27.3°F (-2.6°C). In February, the average high-temperature is almost the same as in January - a still wintry 42.3°F (5.7°C). Weather in February »

Weather in March

March, the first month of the spring in Portland, is a cool month, with an average temperature ranging between max 52.3°F (11.3°C) and min 35.2°F (1.8°C). In March, the average high-temperature increases from a cold 42.3°F (5.7°C) in February to a fresh 52.3°F (11.3°C). Weather in March »

Weather in April

April is an enjoyable spring month in Portland, Ohio, with an average temperature ranging between max 64.2°F (17.9°C) and min 44.6°F (7°C). In April, the average high-temperature increases from a fresh 52.3°F (11.3°C) in March to a comfortable 64.2°F (17.9°C). Weather in April »

Weather in May

May, the last month of the spring in Portland, is a moderately hot month, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 75°F (23.9°C). In Portland, the average high-temperature in May rises from an enjoyable 64.2°F (17.9°C) in April to a warm 75°F (23.9°C). Weather in May »

Weather in June

June, the first month of the summer in Portland, is still a warm month, with an average temperature ranging between min 60.4°F (15.8°C) and max 82.8°F (28.2°C). In June, the average high-temperature marginally rises from 75°F (23.9°C) in May to a still warm 82.8°F (28.2°C). Weather in June »

Weather in July

July in Portland, Ohio, is a hot summer month, with an average temperature fluctuating between 86°F (30°C) and 64°F (17.8°C). The warmest month is July, with an average high-temperature of 86°F (30°C) and an average low-temperature of 64°F (17.8°C). The average heat index in July is appraised at a sweltering 98.6°F (37°C). Weather in July »

Weather in August

August, the last month of the summer in Portland, is another warm month, with an average temperature fluctuating between 84.9°F (29.4°C) and 62.4°F (16.9°C). In Portland, the average high-temperature in August is practically the same as in July - a moderately hot 84.9°F (29.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Portland, is also a moderately hot month, with an average temperature fluctuating between 57°F (13.9°C) and 78.4°F (25.8°C). In Portland, the average high-temperature in September marginally drops from 84.9°F (29.4°C) in August to a still moderately hot 78.4°F (25.8°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Portland, Ohio, with an average temperature varying between 46.8°F (8.2°C) and 64.9°F (18.3°C). In Portland, the average high-temperature in October decreases from a warm 78.4°F (25.8°C) in September to a comfortable 64.9°F (18.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Portland, is another cool month, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 36.5°F (2.5°C). In November, the average high-temperature decreases from an enjoyable 64.9°F (18.3°C) in October to a fresh 52.3°F (11.3°C). Weather in November »

Weather in December

December, the first month of the winter in Portland, is also a frosty month, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 43.2°F (6.2°C). In Portland, Ohio, the average high-temperature in December drops from a fresh 52.3°F (11.3°C) in November to a frosty 43.2°F (6.2°C). Weather in December »
[Resources]

FAQ

What is the coldest month in Portland?

With an average high-temperature of 37.6°F (3.1°C) and an average low-temperature of 24.3°F (-4.3°C), January is the coldest month in Portland.

What are the most humid months in Portland?

The months with the highest humidity in Portland are January and February, with an average relative humidity of 82%.

How many days does it rain in Portland?

Throughout the year, in Portland, Ohio, there are 178.2 rainfall days, and 35.35" (898mm) of precipitation is accumulated.

When does it snow in Portland?

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

How many days does it snow in Portland?

Throughout the year, there are 40.4 snowfall days, and 15.91" (404mm) of snow is accumulated.

What is the month with the least sunshine in Portland?

January has the least sunshine of the year, with an average of 3.5h of sunshine.

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

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

When does it snow the most in Portland?

February is the month with the most snowfall. Snow falls for 9.8 days and accumulates 4.29" (109mm) of snow.

When is Daylight Saving Time (DST) in Portland?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the rainiest month in Portland?

The month with the most rainfall in Portland, Ohio, is May, when the rain falls for 19.4 days and typically aggregates up to 4.02" (102mm) of precipitation.

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

May through August, with an average maximum UV index of 6, are months with the highest UV index.

When it does not snow in Portland?

In Portland, snow does not fall in June through September.

When are the longest days in Portland?

The month with the longest days is June, with an average of 14h and 52min of daylight.

What is the warmest month in Portland?

The warmest month in Portland is July, with an average high-temperature of 86°F (30°C) and an average low-temperature of 64°F (17.8°C).

What is the least humid month in Portland?

The least humid month in Portland is August, with an average relative humidity of 75%.

What month has the most sunshine in Portland?

August has the most sunshine of the year, with an average of 10.3h of sunshine.

What is the driest month in Portland?

September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.89" (48mm) of precipitation.

What is the month with the shortest days in Portland?

The month with the shortest days in Portland is December, with an average of 9h and 29min of daylight.

Average pressure
Portland, OH

Average pressure - Portland, OH

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

[Resources]

Average wind speed
Portland, OH

Average wind speed - Portland, OH

The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

[Resources]

Average humidity
Portland, OH

Average humidity - Portland, OH

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).

[Resources]

Average rainfall
Portland, OH

Average rainfall - Portland, OH

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.89").

[Resources]

Average rainfall days
Portland, OH

Average rainfall days - Portland, OH

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.8 days).

[Resources]

Average snowfall
Portland, OH

Average snowfall - Portland, OH

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Portland, OH

Average snowfall days - Portland, OH

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight / Average sunshine
Portland, OH

Average daylight / Average sunshine - Portland, OH

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

[Resources]

Average sunshine days
Portland, OH

Average sunshine days - Portland, OH

The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are February and May (9.5 days).

[Resources]

Average UV index
Portland, OH

Average UV index - Portland, OH

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

[Resources]

Average visibility
Portland, OH

Average visibility - Portland, OH

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location