Climate and monthly weather forecast
Portland, PA

Share

Weather in January

January, the same as December, is a wintry winter month in Portland, Pennsylvania, with an average temperature varying between 20.3°F (-6.5°C) and 32.9°F (0.5°C). January brings the lowest temperatures, with an average high of 32.9°F (0.5°C) and an average low of 20.3°F (-6.5°C). Weather in January »

Weather in February

February, the last month of the winter in Portland, is another cold month, with an average temperature varying between 36.3°F (2.4°C) and 21.7°F (-5.7°C). At the onset of February, Portland records an average high-temperature of a still icy 36.3°F (2.4°C), showing little deviation from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Portland, Pennsylvania, with an average temperature fluctuating between 44.2°F (6.8°C) and 28.8°F (-1.8°C). As March sets, the average high-temperature shows a slight increase, moving up from an icy 36.3°F (2.4°C) in February to a frosty 44.2°F (6.8°C). Weather in March »

Weather in April

April in Portland, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 39°F (3.9°C) and 56.8°F (13.8°C). The shift into April is marked by a rise in the average high-temperature, moving from March's chilly 44.2°F (6.8°C) to a refreshing 56.8°F (13.8°C). Weather in April »

Weather in May

May, the last month of the spring in Portland, is a pleasant month, with an average temperature fluctuating between 68.5°F (20.3°C) and 49.1°F (9.5°C). May brings an increase in the average high-temperature, progressing from a refreshing 56.8°F (13.8°C) in April to an agreeable 68.5°F (20.3°C). Weather in May »

Weather in June

June, the first month of the summer in Portland, is a warm month, with an average temperature fluctuating between 55.9°F (13.3°C) and 76.3°F (24.6°C). With the onset of June, Portland observes a minor temperature ascent, with the average high-temperature adjusting from May's pleasant 68.5°F (20.3°C) to a warm 76.3°F (24.6°C). Weather in June »

Weather in July

July, like June, in Portland, Pennsylvania, is a moderately hot summer month, with an average temperature fluctuating between 61.9°F (16.6°C) and 82.4°F (28°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 82.4°F (28°C) and a low of 61.9°F (16.6°C). July's heat index is estimated at a hot 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Portland, Pennsylvania, with an average temperature varying between 80.1°F (26.7°C) and 59.7°F (15.4°C). The onset of August notes an average high-temperature of a still warm 80.1°F (26.7°C), subtly shifted from July's 82.4°F (28°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 ranging between max 73.8°F (23.2°C) and min 53.4°F (11.9°C). A mild drop in Portland's average high-temperature is observed in September, transitioning from a warm 80.1°F (26.7°C) in August to a still moderately hot 73.8°F (23.2°C). Weather in September »

Weather in October

October, the same as September, in Portland, Pennsylvania, is another refreshing autumn month, with an average temperature varying between 44.6°F (7°C) and 60.6°F (15.9°C). Arrival of October comes with a reduction in the average high-temperature, falling from a moderately hot 73.8°F (23.2°C) in September to a mild 60.6°F (15.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Portland, is also a frosty month, with temperature in the range of an average low of 33.6°F (0.9°C) and an average high of 48.4°F (9.1°C). As October transitions into November, Portland sees a drop in the average high-temperature, transitioning from a refreshing 60.6°F (15.9°C) to a frosty 48.4°F (9.1°C). Weather in November »

Weather in December

December, the first month of the winter in Portland, is also a wintry month, with an average temperature ranging between max 38.5°F (3.6°C) and min 27.3°F (-2.6°C). December's arrival comes with a decrease in the average high-temperature, moving from a frosty 48.4°F (9.1°C) in November to a cold 38.5°F (3.6°C). Weather in December »
[Resources]

Frequently asked questions

What part of the year is the coldest in Portland?

The coldest temperatures in Portland occur during January, when averages reach a peak of 32.9°F (0.5°C) and a low of 20.3°F (-6.5°C).

How much does it rain in Portland?

Throughout the year, in Portland, there are 135.7 rainfall days, and 23.74" (603mm) of precipitation is accumulated.

When does it snow in Portland?

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

How much does it snow in Portland?

Throughout the year, there are 33.7 snowfall days, and 16.65" (423mm) of snow is accumulated.

What is the most humid month in Portland?

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

What is the month with the least sunshine in Portland?

With an average of 4.2h of sunshine, February has the least sunshine of the year in Portland, Pennsylvania.

What is the snowiest month in Portland?

March is the month with the most snowfall in Portland, Pennsylvania. Snow falls for 7.1 days and accumulates 3.82" (97mm) of snow.

When is Daylight Saving Time (DST) in Portland?

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

What is the least humid month in Portland?

The least humid month in Portland is April, with an average relative humidity of 76%.

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 is June, with an average of 15h and 6min of daylight.

When is the highest UV index in Portland?

The month with the highest UV index is June, with an average maximum UV index of 6.

What are the warmest months in Portland?

In Portland, July records the average highest temperatures, peaking at 82.4°F (28°C) and reaching a low of 61.9°F (16.6°C).

What is the rainiest month in Portland?

The month with the most rainfall in Portland, Pennsylvania, is July, when the rain falls for 15.3 days and typically aggregates up to 2.48" (63mm) of precipitation.

What month has the most sunshine in Portland?

With an average of 10.1h of sunshine, July has the most sunshine of the year.

What is the driest month in Portland?

September is the month with the least rainfall in Portland. Rain falls for 10.1 days and accumulates 1.22" (31mm) 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 18min of daylight.

When is the lowest UV index in Portland?

With an average maximum UV index of 1, December is the month with the lowest UV index in Portland, Pennsylvania.

Average temperature
Portland, PA

Average temperature - Portland, PA

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.9°F).

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

[Resources]

Average pressure
Portland, PA

Average pressure - Portland, PA

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed
Portland, PA

Average wind speed - Portland, PA

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

[Resources]

Average humidity
Portland, PA

Average humidity - Portland, PA

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).

[Resources]

Average rainfall
Portland, PA

Average rainfall - Portland, PA

The wettest month (with the highest rainfall) is July (2.48").
The driest month (with the least rainfall) is September (1.22").

[Resources]

Average rainfall days
Portland, PA

Average rainfall days - Portland, PA

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (5.8 days).

[Resources]

Average snowfall
Portland, PA

Average snowfall - Portland, PA

The month with the highest snowfall is March (3.82").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Portland, PA

Average snowfall days - Portland, PA

The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight / Average sunshine
Portland, PA

Average daylight / Average sunshine - Portland, PA

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

[Resources]

Average sunshine days
Portland, PA

Average sunshine days - Portland, PA

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (13.3 days).

[Resources]

Average visibility
Portland, PA

Average visibility - Portland, PA

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

[Resources]

Portland, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location