WEATHER IN Brownsville
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | 18 (1881) | 53.1 | 62.8 | 72.6 | 93 (1971) |
| february | 12 (1899) | 56.9 | 66.5 | 76.2 | 94 (1982) |
| march | 28 (1901) | 62.0 | 71.3 | 80.6 | 106 (1984) |
| april | 37 (1903) | 67.7 | 76.7 | 85.7 | 102 (1984) |
| may | 50 (1893) | 73.7 | 82.0 | 90.3 | 102 (1999) |
| june | 56 (1919) | 77.2 | 85.6 | 94.0 | 103 (1918) |
| july | 58 (1901) | 77.8 | 86.4 | 95.0 | 103 (1897) |
| august | 63 (1967) | 77.8 | 87.0 | 96.3 | 105 (2012) |
| september | 51 (1909) | 74.7 | 83.4 | 92.2 | 105 (2000) |
| october | 35 (1993) | 68.6 | 77.9 | 87.3 | 106 (2013) |
| november | 27 (1911) | 60.8 | 70.5 | 80.3 | 98 (1906) |
| december | 16 (1989) | 54.7 | 64.4 | 74.2 | 94 (1977) |
| year | 12 (1899) | 65.4 | 74.5 | 83.5 | 106 (1984) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 1.08 | 0.00 (1909) | 4.92 (1931) | 2.87 (1945) |
| february | 1.03 | 0.00 (1954) | 10.25 (1958) | 4.27 (1958) |
| march | 1.45 | 0.00 (1902) | 6.46 (1903) | 4.79 (2007) |
| april | 1.47 | 0.00 (1920) | 10.35 (1991) | 9.17 (1991) |
| may | 2.22 | 0.00 (1978) | 9.12 (1982) | 7.17 (1929) |
| june | 2.86 | 0.00 (1915) | 12.78 (1912) | 7.52 (1950) |
| july | 1.98 | 0.00 (1914) | 13.24 (2008) | 6.68 (2008) |
| august | 2.16 | 0.00 (1902) | 9.56 (1975) | 7.82 (1880) |
| september | 5.73 | 0.07 (1959) | 20.18 (1984) | 12.09 (1967) |
| october | 3.83 | 0.00 (1917) | 17.12 (1958) | 9.09 (1996) |
| november | 1.76 | 0.00 (1903) | 7.69 (1986) | 4.08 (1986) |
| december | 1.21 | 0.00 (1901) | 5.64 (2009) | 3.89 (1940) |
| year | 27.44 | 11.59 (1953) | 47.51 (1958) | 12.09 (1967) |
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 |