May weather in Mont Belvieu, TX
The average temperature in Mont Belvieu in May is 75.4°F (66.7°F–84.2°F). Average precipitation: 6.01 inches.
May is a spring month in Mont Belvieu, and is warmer than the annual average of 68.7°F. Daily temperatures swing about 17.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 30m. For travel, May is a wet month.
Avg High
84.2°F
Avg Low
66.7°F
Precipitation
6.01 in
Daylight
13h 30m
May records in Mont Belvieu
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (1947) | 48.0°F (2005) | 1.50 in (1970) |
| May 2 | 91.9°F (1964) | 48.0°F (2005) | 3.58 in (1986) |
| May 3 | 93.9°F (1984) | 46.0°F (2013) | 4.80 in (2024) |
| May 4 | 93.9°F (1984) | 43.0°F (2013) | 2.46 in (2019) |
| May 5 | 91.9°F (1947) | 50.0°F (1954) | 2.53 in (2000) |
| May 6 | 89.1°F (1947) | 48.0°F (2013) | 2.12 in (2008) |
| May 7 | 90.0°F (1984) | 46.9°F (1992) | 1.38 in (1982) |
| May 8 | 93.0°F (1998) | 50.0°F (1992) | 2.91 in (2019) |
| May 9 | 90.0°F (2008) | 50.0°F (1992) | 1.73 in (2005) |
| May 10 | 95.0°F (1998) | 50.0°F (1961) | 4.42 in (2019) |
| May 11 | 91.0°F (1995) | 54.0°F (1961) | 3.05 in (1968) |
| May 12 | 91.0°F (1964) | 48.9°F (1960) | 2.50 in (1954) |
| May 13 | 90.0°F (1959) | 52.0°F (1960) | 5.15 in (2015) |
| May 14 | 91.9°F (2007) | 52.0°F (1971) | 2.67 in (2004) |
| May 15 | 91.9°F (1984) | 48.0°F (2014) | 4.98 in (2010) |
| May 16 | 91.9°F (1984) | 54.0°F (1983) | 3.50 in (1994) |
| May 17 | 93.9°F (2018) | 51.1°F (1967) | 1.35 in (2024) |
| May 18 | 99.0°F (1948) | 55.0°F (1967) | 2.92 in (1992) |
| May 19 | 91.9°F (1998) | 51.1°F (2002) | 2.82 in (2021) |
| May 20 | 93.0°F (2008) | 54.0°F (2002) | 2.30 in (1947) |
| May 21 | 93.0°F (2008) | 55.0°F (2002) | 1.75 in (1947) |
| May 22 | 96.1°F (2005) | 57.9°F (1947) | 2.56 in (2001) |
| May 23 | 96.1°F (2005) | 55.0°F (1967) | 3.65 in (1959) |
| May 24 | 93.0°F (1955) | 54.0°F (2011) | 4.53 in (1982) |
| May 25 | 91.9°F (1958) | 57.0°F (1967) | 2.40 in (1997) |
| May 26 | 91.9°F (1957) | 59.0°F (2022) | 6.37 in (2015) |
| May 27 | 96.1°F (2011) | 54.0°F (1961) | 3.00 in (2025) |
| May 28 | 95.0°F (1949) | 59.0°F (1961) | 3.29 in (2016) |
| May 29 | 95.0°F (2010) | 60.1°F (1992) | 2.87 in (2007) |
| May 30 | 95.0°F (1998) | 57.0°F (1984) | 2.42 in (1995) |
| May 31 | 96.1°F (1998) | 57.9°F (1984) | 3.49 in (2024) |