WEATHER IN Port Arthur
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | 11 (1930) | 43.8 | 53.7 | 63.5 | 84 (1909) |
| february | 13 (1951) | 47.8 | 57.5 | 67.3 | 90 (1906) |
| march | 23 (2002) | 53.4 | 63.3 | 73.2 | 90 (1910) |
| april | 32 (1987) | 59.6 | 69.3 | 79.0 | 94 (1987) |
| may | 42 (2013) | 67.3 | 76.5 | 85.7 | 101 (1905) |
| june | 56 (1984) | 73.1 | 82.0 | 90.9 | 106 (1902) |
| july | 61 (1990) | 74.6 | 83.6 | 92.6 | 108 (1902) |
| august | 58 (1911) | 74.4 | 83.8 | 93.1 | 108 (2000) |
| september | 45 (1967) | 70.6 | 80.0 | 89.5 | 105 (2000) |
| october | 32 (1989) | 61.1 | 71.6 | 82.1 | 99 (1905) |
| november | 22 (1976) | 51.5 | 61.9 | 72.3 | 90 (1905) |
| december | 12 (1989) | 45.8 | 55.6 | 65.5 | 84 (1978) |
| year | 11 (1930) | 59.6 | 69.0 | 78.3 | 108 (1902) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 5.32 | 0.60 (1971) | 14.87 (1991) | 4.30 (1984) |
| february | 3.09 | 0.21 (1989) | 13.15 (1952) | 9.41 (1952) |
| march | 3.63 | 0.06 (1955) | 10.21 (1949) | 4.51 (1934) |
| april | 3.92 | 0.26 (1987) | 15.30 (1973) | 10.09 (1973) |
| may | 4.70 | 0.01 (2003) | 13.18 (1991) | 12.76 (1923) |
| june | 6.70 | 0.76 (1980) | 18.90 (1989) | 8.94 (1961) |
| july | 6.85 | 0.63 (1956) | 18.71 (1959) | 11.86 (1943) |
| august | 6.89 | 0.00 (1999) | 17.26 (1966) | 8.32 (1966) |
| september | 6.69 | 0.50 (1953) | 21.96 (1980) | 12.09 (1963) |
| october | 5.47 | 0.00 (1952) | 15.09 (1970) | 9.26 (1902) |
| november | 3.89 | 0.15 (1967) | 10.84 (1977) | 7.70 (1946) |
| december | 4.98 | 1.32 (1954) | 17.98 (1982) | 8.04 (1982) |
| year | 60.47 | 30.47 (2011) | 81.55 (1991) | 12.76 (1923) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |