Best year time to visit Port Arthur

General weather information about Port Arthur

Average annual temperature is 7.9 °C

Absolute maximum temperature: 34.0 °C

Absolute minimum temperature: -27.3 °C

Number of sunny days: 183 days

Number of rainy days: 148 days

Number of snow days: 34 days

Look at detailed online map of Port Arthur

* Weather data for Port Arthur United States is based on climate observations for 2026 year

Port Arthur air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.36.46.526.231.430.531.433.234.029.016.511.9
Average daytime temperature (°C)-3.0-1.12.610.621.426.526.126.223.413.96.03.8
Average temperature (°C)-6.3-6.6-2.44.714.720.120.420.517.99.71.4-0.1
Average night temperature (°C)-9.0-11.2-6.60.18.914.715.315.813.86.3-1.8-2.6
Absolute minimum temperature (°C)-26.2-27.3-15.5-12.0-1.67.511.39.95.8-6.3-14.3-10.5

Port Arthur monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.210.411.913.514.915.615.314.112.510.99.58.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.46.96.87.410.412.212.511.38.46.75.84.5
Precipitation (mm)486268153438814845160781336
Sunny days17171513161771812132117
Rainy days4581415132413181699
Snow days1068300000205

Port Arthur - weather forecast by months

Port Arthur weather in januaryPort Arthur weather in februaryPort Arthur weather in marchPort Arthur weather in aprilPort Arthur weather in mayPort Arthur weather in junePort Arthur weather in julyPort Arthur weather in augustPort Arthur weather in septemberPort Arthur weather in octoberPort Arthur weather in novemberPort Arthur weather in december

Best time to visit Port Arthur:

The best time to visit Port Arthur during the most sunny months:

  • May — 10.4(h)
  • June — 12.2(h)
  • July — 12.5(h)
  • August — 11.3(h)

Months with the longest average daylight duration in Port Arthur:

  • June — 15.6(h)
  • July — 15.3(h)

The largest precipitation sum in Port Arthur is at

  • April — 153(mm)
  • July — 148(mm)
  • September — 160(mm)

    • Weather forecast in the closest to Port Arthur admin centers

    Weather forecast in the closest towns to Port Arthur

    Explore Port Arthur

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

    When is the best time to visit Port Arthur?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Port Arthur.
    What is the weather like in Port Arthur?
    See average temperature, rainfall and daylight hours for Port Arthur by month in the table above.
    How many sunny days does Port Arthur have?
    The monthly weather statistics above show sunshine and rainfall patterns for Port Arthur throughout the year.