Climate and monthly weather forecast
Portland, TX

Weather in January

January, the same as December, is another enjoyable winter month in Portland, Texas, with an average temperature ranging between min 52.3°F (11.3°C) and max 63.7°F (17.6°C). With an average high-temperature of 63.7°F (17.6°C) and an average low-temperature of 52.3°F (11.3°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also an enjoyable month in Portland, Texas, with an average temperature varying between 55.8°F (13.2°C) and 66.4°F (19.1°C). In February, the average high-temperature is relatively the same as in January - a still comfortable 66.4°F (19.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a pleasant month in Portland, Texas, with an average temperature ranging between max 71.6°F (22°C) and min 61.5°F (16.4°C). In Portland, the average high-temperature in March is almost the same as in February - a pleasant 71.6°F (22°C). Weather in March »

Weather in April

April is a warm spring month in Portland, Texas, with an average temperature fluctuating between 67.5°F (19.7°C) and 77.5°F (25.3°C). In April, the average high-temperature slightly increases from a pleasant 71.6°F (22°C) in March to a warm 77.5°F (25.3°C). Weather in April »

Weather in May

May, the last month of the spring in Portland, is another warm month, with an average temperature ranging between min 73.4°F (23°C) and max 82.9°F (28.3°C). In May, the average high-temperature marginally rises from a warm 77.5°F (25.3°C) in April to a still moderately hot 82.9°F (28.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Portland, Texas, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 78.4°F (25.8°C). In June, the average high-temperature is relatively the same as in May - a hot 88°F (31.1°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Portland, Texas, with an average temperature varying between 89.6°F (32°C) and 79.3°F (26.3°C). In July, the average high-temperature is practically the same as in June - a still hot 89.6°F (32°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Portland, Texas, with an average temperature fluctuating between 90.9°F (32.7°C) and 80.8°F (27.1°C). The warmest month is August, with an average high-temperature of 90.9°F (32.7°C) and an average low-temperature of 80.8°F (27.1°C). The average heat index in August is calculated to be an extremely hot 109.4°F (43°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Portland, Texas, with temperature in the range of an average low of 78.1°F (25.6°C) and an average high of 87.3°F (30.7°C). In September, the average high-temperature is practically the same as in August - a still hot 87.3°F (30.7°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Portland, Texas, with an average temperature ranging between min 70.7°F (21.5°C) and max 81.5°F (27.5°C). In October, the average high-temperature slightly decreases from a tropical 87.3°F (30.7°C) in September to a warm 81.5°F (27.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Portland, is also an agreeable month, with an average temperature fluctuating between 71.6°F (22°C) and 61.3°F (16.3°C). In November, the average high-temperature decreases from a warm 81.5°F (27.5°C) in October to a pleasant 71.6°F (22°C). Weather in November »

Weather in December

The first month of the winter, December, is also an enjoyable month in Portland, Texas, with an average temperature fluctuating between 65.3°F (18.5°C) and 55°F (12.8°C). In December, the average high-temperature marginally drops from a pleasant 71.6°F (22°C) in November to an enjoyable 65.3°F (18.5°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 63.7°F (17.6°C) and an average low-temperature of 52.3°F (11.3°C).

How much does it rain in Portland?

In Portland, Texas, during the entire year, the rain falls for 126.7 days and collects up to 13.78" (350mm) of precipitation.

When it does not snow in Portland?

January, March through November are months without snowfall in Portland, Texas.

How much does it snow in Portland?

In Portland, during the entire year, snow aggregates up to 0.08" (2mm).

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

January and December, with an average maximum UV index of 4, are months with the lowest UV index.

What is the driest month in Portland?

The month with the least rainfall is February, when the rain falls for 7.7 days and typically collects 0.51" (13mm) of precipitation.

When does it snow in Portland?

February and December are months with snowfall in Portland.

When does it snow the most in Portland?

The months with the most snowfall are February and December, with an average 0.04" (1mm) of accumulated snow.

What is the most humid month in Portland?

March and May, with an average relative humidity of 78%, are most humid months in Portland.

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 CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

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

May through September, with an average maximum UV index of 7, are months with the highest UV index.

When are the longest days in Portland?

The month with the longest days is June, with an average of 13h and 53min of daylight.

What month has the most sunshine in Portland?

July has the most sunshine of the year in Portland, with an average of 11.3h of sunshine.

What is the warmest month in Portland?

The warmest month in Portland, Texas, is August, with an average high-temperature of 90.9°F (32.7°C) and an average low-temperature of 80.8°F (27.1°C).

What is the least humid month in Portland?

The months with the lowest humidity in Portland, Texas, are August and October, with an average relative humidity of 71%.

What is the rainiest month in Portland?

The month with the most rainfall in Portland is September, when the rain falls for 17.9 days and typically aggregates up to 2.64" (67mm) of precipitation.

What is the month with the shortest days in Portland?

December has the shortest days of the year in Portland, with an average of 10h and 25min of daylight.

What is the month with the least sunshine in Portland?

With an average of 4.8h of sunshine, December has the least sunshine of the year in Portland.

Average temperature
Portland, TX

Average temperature - Portland, TX

The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is January (63.7°F).

The month with the highest average low temperature is August (80.8°F).
The coldest month (with the lowest average low temperature) is January (52.3°F).

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Average pressure
Portland, TX

Average pressure - Portland, TX

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.89"Hg).

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Average wind speed
Portland, TX

Average wind speed - Portland, TX

The windiest month (with the highest average wind speed) is May (12.6mph).
The calmest month (with the lowest average wind speed) is September (9.6mph).

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Average humidity
Portland, TX

Average humidity - Portland, TX

The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are August and October (71%).

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Average rainfall
Portland, TX

Average rainfall - Portland, TX

The wettest month (with the highest rainfall) is September (2.64").
The driest month (with the least rainfall) is February (0.51").

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Average rainfall days
Portland, TX

Average rainfall days - Portland, TX

The month with the highest number of rainy days is September (17.9 days).
The month with the least rainy days is February (7.7 days).

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Average snowfall
Portland, TX

Average snowfall - Portland, TX

The months with the highest snowfall are February and December (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days
Portland, TX

Average snowfall days - Portland, TX

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
Portland, TX

Average daylight / Average sunshine - Portland, TX

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days
Portland, TX

Average sunshine days - Portland, TX

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is September (10.4 days).

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Average UV index
Portland, TX

Average UV index - Portland, TX

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

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Average visibility
Portland, TX

Average visibility - Portland, TX

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).

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