May weather in Brownstown, IL
The average temperature in Brownstown in May is 64.9°F (55.1°F–74.7°F). Average precipitation: 5.34 inches.
May is a spring month in Brownstown, and is warmer than the annual average of 54.6°F. Daily temperatures swing about 19.6°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 8m. For travel, May is a wet month.
Avg High
74.7°F
Avg Low
55.1°F
Precipitation
5.34 in
Daylight
14h 8m
May records in Brownstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (2001) | 37.9°F (2005) | 2.08 in (2004) |
| May 2 | 86.0°F (2007) | 36.0°F (1994) | 1.13 in (2002) |
| May 3 | 82.9°F (2001) | 36.0°F (2002) | 0.33 in (1997) |
| May 4 | 86.0°F (2001) | 34.0°F (2005) | 1.00 in (1998) |
| May 5 | 84.9°F (2001) | 42.1°F (2005) | 1.48 in (2003) |
| May 6 | 88.0°F (2001) | 42.1°F (1995) | 1.44 in (2002) |
| May 7 | 84.9°F (2001) | 42.1°F (1997) | 1.82 in (2002) |
| May 8 | 84.0°F (2004) | 41.0°F (1994) | 2.91 in (2008) |
| May 9 | 87.1°F (2007) | 45.0°F (1997) | 2.63 in (2003) |
| May 10 | 86.0°F (2003) | 37.9°F (1997) | 0.36 in (2000) |
| May 11 | 86.0°F (2001) | 44.1°F (1998) | 1.68 in (2003) |
| May 12 | 86.0°F (2004) | 43.0°F (1996) | 0.81 in (2008) |
| May 13 | 84.9°F (2004) | 39.9°F (1993) | 2.66 in (2002) |
| May 14 | 84.0°F (2005) | 37.9°F (1996) | 0.46 in (2008) |
| May 15 | 84.9°F (1998) | 37.0°F (1997) | 0.49 in (2003) |
| May 16 | 91.0°F (2001) | 28.9°F (1997) | 1.15 in (1995) |
| May 17 | 93.0°F (2001) | 42.1°F (1994) | 1.48 in (1995) |
| May 18 | 90.0°F (2001) | 35.1°F (2002) | 1.86 in (1995) |
| May 19 | 90.0°F (1996) | 41.0°F (1994) | 0.91 in (1995) |
| May 20 | 88.0°F (1996) | 39.9°F (1997) | 0.81 in (2003) |
| May 21 | 87.1°F (2004) | 36.0°F (2002) | 0.65 in (2001) |
| May 22 | 89.1°F (2004) | 33.1°F (1997) | 1.37 in (1998) |
| May 23 | 88.0°F (2004) | 39.0°F (1997) | 1.85 in (1998) |
| May 24 | 87.1°F (1994) | 46.0°F (2001) | 0.45 in (1993) |
| May 25 | 88.0°F (1996) | 45.0°F (1999) | 1.61 in (2006) |
| May 26 | 87.1°F (2006) | 43.0°F (1993) | 0.97 in (2008) |
| May 27 | 88.0°F (2006) | 36.0°F (1994) | 2.30 in (2000) |
| May 28 | 87.1°F (2006) | 45.0°F (1994) | 2.24 in (2004) |
| May 29 | 89.1°F (2006) | 50.0°F (2000) | 0.54 in (2003) |
| May 30 | 91.0°F (2006) | 45.0°F (1996) | 0.31 in (2005) |
| May 31 | 88.0°F (2006) | 39.9°F (1994) | 1.71 in (2004) |