Climate and monthly weather forecastPortland, TX
Climate and monthly weather forecast
Weather in January
January, the same as December, is another enjoyable winter month in Portland, Texas, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 52.3°F (11.3°C). With average high temperatures of 63.7°F (17.6°C) and lows of 52.3°F (11.3°C), January is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Portland, is another comfortable month, with an average temperature ranging between min 55.8°F (13.2°C) and max 66.4°F (19.1°C). As Portland welcomes February, the average high-temperature is noted at a still comfortable 66.4°F (19.1°C), closely aligning with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a pleasant month in Portland, Texas, with an average temperature varying between 61.5°F (16.4°C) and 71.6°F (22°C). March's climate shows a minor adjustment in average high-temperatures to an agreeable 71.6°F (22°C) from February's 66.4°F (19.1°C). Weather in March »Weather in April
April is a warm spring month in Portland, Texas, with an average temperature fluctuating between 77.5°F (25.3°C) and 67.5°F (19.7°C). The commencement of April sees a minor shift in the average high-temperature, moving 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 temperature in the range of an average low of 73.4°F (23°C) and an average high of 82.9°F (28.3°C). The onset of May brings a minor temperature shift, with the average high-temperature moving 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 an average temperature ranging between min 78.4°F (25.8°C) and max 88°F (31.1°C). As Portland, Texas, transitions into June, the average high-temperature stands at a hot 88°F (31.1°C), offering little variation from the preceding month. Weather in June »Weather in July
July, the same as June, in Portland, Texas, is another hot summer month, with an average temperature fluctuating between 89.6°F (32°C) and 79.3°F (26.3°C). The advent of July presents an average high-temperature of a still hot 89.6°F (32°C), maintaining a close correlation with the preceding month. Weather in July »Weather in August
August, the last month of the summer in Portland, is also a hot month, with an average temperature varying between 90.9°F (32.7°C) and 80.8°F (27.1°C). Temperature records mark August as the warmest month, with highs averaging 90.9°F (32.7°C) and lows at 80.8°F (27.1°C). The average heat index in August is appraised at a blistering 109.4°F (43°C). Weather in August »Weather in September
September, the first month of the autumn in Portland, is still a tropical month, with an average temperature varying between 87.3°F (30.7°C) and 78.1°F (25.6°C). Welcoming September, Portland notes an average high-temperature of a still tropical 87.3°F (30.7°C), nearly consistent with August's 90.9°F (32.7°C). Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Portland, Texas, with an average temperature varying between 70.7°F (21.5°C) and 81.5°F (27.5°C). With the beginning of October, the average high-temperature shows a small decrease, transitioning 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
The last month of the autumn, November, is another pleasant month in Portland, Texas, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 61.3°F (16.3°C). Portland in November undergoes a mild reduction in the average high-temperature, shifting from October's moderately hot 81.5°F (27.5°C) to a pleasant 71.6°F (22°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Portland, Texas, with an average temperature varying between 65.3°F (18.5°C) and 55°F (12.8°C). As December arrives, Portland's weather displays a minor decrease in high-temperatures, transitioning from November's agreeable 71.6°F (22°C) to an enjoyable 65.3°F (18.5°C). Weather in December »Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Portland, Texas, the average lowest temperatures are observed in January, with a high of 63.7°F (17.6°C) and a low of 52.3°F (11.3°C).
In Portland, Texas, during the entire year, the rain falls for 126.7 days and collects up to 13.78" (350mm) of precipitation.
January, March through November are months without snowfall.
In Portland, Texas, during the entire year, snow aggregates up to 0.08" (2mm).
The months with the lowest UV index in Portland are January and December, with an average maximum UV index of 4.
February is the month with the least rainfall in Portland. Rain falls for 7.7 days and accumulates 0.51" (13mm) of precipitation.
Months with snowfall in Portland are February and December.
The months with the most snowfall are February and December, with an average 0.04" (1mm) of accumulated snow.
March and May, with an average relative humidity of 78%, are most humid months in Portland.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Portland, 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.
May through September, with an average maximum UV index of 7, are months with the highest UV index in Portland.
June has the longest days of the year in Portland, Texas, with an average of 13h and 54min of daylight.
The month with the most sunshine is July, with an average of 11.3h of sunshine.
In Portland, August is identified by the average highest temperatures, reaching a peak of 90.9°F (32.7°C) and a low of 80.8°F (27.1°C).
August and October, with an average relative humidity of 71%, are the least humid months.
The month with the most rainfall is September, when the rain falls for 17.9 days and typically aggregates up to 2.64" (67mm) of precipitation.
The month with the shortest days in Portland is December, with an average of 10h and 24min of daylight.
The month with the least sunshine in Portland is December, with an average of 4.8h of sunshine.
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).
Average pressure
Portland, TX
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.09"Hg
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).
Average wind speed
Portland, TX
- Average wind speed in January:
10.6mph - Average wind speed in February:
11.3mph - Average wind speed in March:
11.9mph - Average wind speed in April:
12.5mph - Average wind speed in May:
12.6mph - Average wind speed in June:
11.4mph
- Average wind speed in July:
11.2mph - Average wind speed in August:
10.5mph - Average wind speed in September:
9.6mph - Average wind speed in October:
10.4mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.5mph
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).
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%).
Average rainfall
Portland, TX
- Average rainfall in January:
0.79" - Average rainfall in February:
0.51" - Average rainfall in March:
0.63" - Average rainfall in April:
0.87" - Average rainfall in May:
1.02" - Average rainfall in June:
1.73"
- Average rainfall in July:
1.1" - Average rainfall in August:
0.94" - Average rainfall in September:
2.64" - Average rainfall in October:
1.73" - Average rainfall in November:
0.91" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is September (2.64").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days
Portland, TX
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
9.4 days - Average rainfall days in May:
10 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
10.1 days - Average rainfall days in August:
10.1 days - Average rainfall days in September:
17.9 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
10.2 days
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).
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").
Average snowfall days
Portland, TX
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.2 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
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).
Average daylight / Average sunshine
Portland, TX
- Average daylight in January:
10h and 36min - Average daylight in February:
11h and 12min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 48min - Average daylight in May:
13h and 30min - Average daylight in June:
13h and 54min
- Average daylight in July:
13h and 42min - Average daylight in August:
13h and 6min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 30min - Average daylight in November:
10h and 48min - Average daylight in December:
10h and 24min
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).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
6h and 30min - Average sunshine in March:
7h and 12min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 54min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 36min - Average sunshine in October:
7h and 24min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
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).
Average sunshine days
Portland, TX
- Average sunshine days in January:
20.1 days - Average sunshine days in February:
17.2 days - Average sunshine days in March:
19 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
17.6 days - Average sunshine days in June:
15 days
- Average sunshine days in July:
19.2 days - Average sunshine days in August:
18.1 days - Average sunshine days in September:
10.4 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
18.9 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is September (10.4 days).
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).
Average cloud cover
Portland, TX
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 20).
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).
