May weather in Thornburg, IA
The average temperature in Thornburg in May is 60.0°F (49.1°F–71.0°F). Average precipitation: 4.95 inches.
May is a spring month in Thornburg, and is warmer than the annual average of 48.9°F. Daily temperatures swing about 21.9°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 20m. For travel, May is a comfortable month to visit.
Avg High
71.0°F
Avg Low
49.1°F
Precipitation
4.95 in
Daylight
14h 20m
May records in Thornburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 88.0°F (1901) | 28.0°F (1909) | 2.97 in (1954) |
| May 2 | 91.0°F (1901) | 27.0°F (1908) | 1.27 in (1973) |
| May 3 | 89.1°F (1901) | 25.0°F (2005) | 3.08 in (1993) |
| May 4 | 89.1°F (1918) | 24.1°F (1907) | 1.75 in (1913) |
| May 5 | 91.9°F (1909) | 30.9°F (1944) | 1.30 in (1933) |
| May 6 | 95.0°F (1934) | 30.0°F (1989) | 0.99 in (1922) |
| May 7 | 91.9°F (1934) | 26.1°F (1931) | 1.96 in (1900) |
| May 8 | 91.0°F (1934) | 33.1°F (1923) | 1.54 in (1995) |
| May 9 | 93.9°F (1934) | 26.1°F (2020) | 2.24 in (1950) |
| May 10 | 91.0°F (1896) | 30.0°F (1966) | 3.61 in (1996) |
| May 11 | 90.0°F (2011) | 32.0°F (1907) | 2.40 in (1923) |
| May 12 | 93.9°F (1956) | 32.0°F (2020) | 1.90 in (2002) |
| May 13 | 93.0°F (1915) | 32.0°F (2021) | 2.03 in (2010) |
| May 14 | 91.9°F (1932) | 33.1°F (1920) | 1.46 in (1945) |
| May 15 | 93.0°F (1941) | 30.0°F (1907) | 1.67 in (1943) |
| May 16 | 91.9°F (1911) | 33.1°F (1907) | 1.10 in (1990) |
| May 17 | 91.9°F (1902) | 33.1°F (1915) | 2.25 in (2019) |
| May 18 | 93.9°F (1901) | 32.0°F (1916) | 1.70 in (1928) |
| May 19 | 96.1°F (1902) | 35.1°F (1929) | 1.89 in (1938) |
| May 20 | 97.0°F (1902) | 35.1°F (1931) | 1.42 in (2025) |
| May 21 | 93.0°F (1934) | 30.9°F (1931) | 1.88 in (1949) |
| May 22 | 95.0°F (1925) | 33.1°F (1963) | 1.34 in (1917) |
| May 23 | 91.9°F (1939) | 34.0°F (1963) | 1.43 in (1996) |
| May 24 | 95.0°F (1926) | 34.0°F (1924) | 1.48 in (1984) |
| May 25 | 93.0°F (1967) | 30.0°F (1925) | 2.20 in (1990) |
| May 26 | 97.0°F (1926) | 34.0°F (1961) | 2.50 in (2013) |
| May 27 | 91.9°F (1900) | 35.1°F (1907) | 2.09 in (1908) |
| May 28 | 91.9°F (1900) | 36.0°F (1932) | 2.10 in (1935) |
| May 29 | 102.9°F (1934) | 34.0°F (1947) | 2.46 in (1962) |
| May 30 | 102.0°F (1934) | 37.9°F (1897) | 1.85 in (1903) |
| May 31 | 106.0°F (1934) | 35.1°F (1897) | 1.34 in (1945) |