May weather in McLean, TX
The average temperature in McLean in May is 67.5°F (54.0°F–81.1°F). Average precipitation: 3.91 inches.
May is a spring month in McLean, and is warmer than the annual average of 59.8°F. Daily temperatures swing about 27.1°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 51m. For travel, May is a comfortable month to visit.
Avg High
81.1°F
Avg Low
54.0°F
Precipitation
3.91 in
Daylight
13h 51m
May records in McLean
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 96.1°F (1992) | 28.9°F (1909) | 1.05 in (1999) |
| May 2 | 96.1°F (1992) | 30.9°F (2005) | 1.70 in (1993) |
| May 3 | 97.0°F (1996) | 32.0°F (1907) | 2.10 in (2007) |
| May 4 | 93.9°F (1963) | 26.1°F (1907) | 3.60 in (2001) |
| May 5 | 95.0°F (1964) | 37.9°F (1978) | 1.23 in (1969) |
| May 6 | 95.0°F (1964) | 39.0°F (1908) | 1.70 in (2006) |
| May 7 | 98.1°F (2000) | 33.1°F (1908) | 0.89 in (1969) |
| May 8 | 93.9°F (2000) | 36.0°F (1984) | 1.35 in (1997) |
| May 9 | 100.9°F (1963) | 41.0°F (1980) | 1.10 in (1998) |
| May 10 | 99.0°F (1963) | 37.0°F (1981) | 0.85 in (1999) |
| May 11 | 99.0°F (1963) | 41.0°F (1979) | 1.02 in (1979) |
| May 12 | 100.0°F (1963) | 39.0°F (1966) | 2.15 in (1989) |
| May 13 | 97.0°F (1963) | 36.0°F (1966) | 0.70 in (1994) |
| May 14 | 97.0°F (1984) | 37.9°F (1907) | 1.55 in (1986) |
| May 15 | 99.0°F (1996) | 37.0°F (1907) | 2.50 in (1977) |
| May 16 | 100.9°F (1996) | 41.0°F (1983) | 3.38 in (1951) |
| May 17 | 100.0°F (1996) | 43.0°F (1976) | 2.40 in (1986) |
| May 18 | 98.1°F (1996) | 39.9°F (1983) | 1.20 in (2001) |
| May 19 | 97.0°F (1996) | 43.0°F (1981) | 0.69 in (1979) |
| May 20 | 97.0°F (1996) | 42.1°F (1981) | 1.47 in (1978) |
| May 21 | 95.0°F (1973) | 43.0°F (1967) | 4.00 in (1977) |
| May 22 | 97.0°F (2000) | 41.0°F (1967) | 1.81 in (1908) |
| May 23 | 105.1°F (2000) | 46.9°F (1963) | 1.15 in (1908) |
| May 24 | 102.9°F (2000) | 46.0°F (1995) | 0.70 in (1908) |
| May 25 | 100.0°F (1989) | 44.1°F (2002) | 2.08 in (1986) |
| May 26 | 95.0°F (1990) | 43.0°F (1992) | 2.35 in (1987) |
| May 27 | 97.0°F (1985) | 36.0°F (1907) | 3.23 in (1977) |
| May 28 | 98.1°F (1998) | 39.9°F (1992) | 2.22 in (1978) |
| May 29 | 102.9°F (1985) | 42.1°F (1992) | 2.65 in (1990) |
| May 30 | 100.0°F (1998) | 46.0°F (1983) | 1.95 in (1991) |
| May 31 | 100.0°F (1998) | 46.0°F (1964) | 1.70 in (1996) |