Monthly weather forecast and climate
Port Arthur, TX

What is the coldest month in Port Arthur?

The coldest month in Port Arthur is January, with an average high-temperature of 62.1°F (16.7°C) and an average low-temperature of 43.3°F (6.3°C).

How many days does it rain in Port Arthur?

Throughout the year, there are 104.9 rainfall days, and 60.4" (1533.2mm) of precipitation is accumulated.

What is the driest month in Port Arthur?

April is the month with the least rainfall. Rain falls for 6.2 days and accumulates 3.2" (81.5mm) of precipitation.

What is the wettest month in Port Arthur?

The month with the most rainfall is June when the rain falls for 10 days and typically aggregates up to 7.1" (180.1mm) of precipitation.

What is the warmest month in Port Arthur?

The warmest month in Port Arthur is August, with an average high-temperature of 92.1°F (33.4°C) and an average low-temperature of 74.1°F (23.4°C).
Average temperature - Port Arthur, TX
Average rainfall - Port Arthur, TX
Average rainfall days - Port Arthur, TX

The month with the highest number of rainy days is July (11.4 days).
The month with the lowest number of rainy days is April (6.2 days).

Average daylight / Average sunshine - Port Arthur, TX

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.3h).

The month with most sunshine is June (Average sunshine: 9.5h).
The month with least sunshine is January (Average sunshine: 4.4h).

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