April weather in Niantic, IL
The average temperature in Niantic in April is 53.3°F (43.3°F–63.4°F). Average precipitation: 4.12 inches. Average snowfall is 0.4 inches.
April is a spring month in Niantic, and is warmer than the annual average of 53°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 4m. For travel, April is a comfortable month to visit.
Avg High
63.4°F
Avg Low
43.3°F
Precipitation
4.12 in
Snow
0.4 in
April records in Niantic
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 87.1°F (1946) | 19.9°F (1899) | 1.81 in (1927) |
| April 2 | 84.9°F (1940) | 18.0°F (2018) | 1.82 in (2024) |
| April 3 | 84.9°F (1946) | 16.0°F (1987) | 1.58 in (1968) |
| April 4 | 86.0°F (1929) | 19.9°F (1975) | 1.27 in (2025) |
| April 5 | 84.9°F (1988) | 15.1°F (1920) | 1.73 in (1928) |
| April 6 | 84.9°F (1967) | 18.0°F (1982) | 2.54 in (2006) |
| April 7 | 82.9°F (1948) | 15.1°F (1982) | 2.35 in (1914) |
| April 8 | 84.9°F (2001) | 18.0°F (1972) | 2.24 in (1929) |
| April 9 | 84.9°F (2001) | 18.0°F (1997) | 0.76 in (1927) |
| April 10 | 88.0°F (1930) | 19.0°F (1960) | 2.10 in (1903) |
| April 11 | 93.0°F (1930) | 23.0°F (1973) | 3.23 in (1944) |
| April 12 | 91.0°F (1930) | 21.0°F (1957) | 3.58 in (1979) |
| April 13 | 88.0°F (1930) | 21.0°F (1950) | 1.07 in (1945) |
| April 14 | 88.0°F (1941) | 23.0°F (1950) | 1.83 in (1993) |
| April 15 | 84.9°F (1977) | 24.1°F (1928) | 1.69 in (1939) |
| April 16 | 89.1°F (1977) | 26.1°F (1904) | 1.52 in (2013) |
| April 17 | 91.0°F (1937) | 24.1°F (1904) | 1.23 in (1922) |
| April 18 | 87.1°F (1977) | 27.0°F (1983) | 2.71 in (2013) |
| April 19 | 86.0°F (2002) | 21.0°F (1983) | 2.55 in (1970) |
| April 20 | 88.0°F (1936) | 25.0°F (1897) | 2.54 in (1972) |
| April 21 | 89.1°F (1987) | 27.0°F (1901) | 1.74 in (1973) |
| April 22 | 90.0°F (1925) | 25.0°F (1936) | 1.76 in (1944) |
| April 23 | 91.9°F (1925) | 24.1°F (1956) | 1.69 in (1966) |
| April 24 | 90.0°F (1925) | 23.0°F (1910) | 1.38 in (1908) |
| April 25 | 88.0°F (1924) | 25.0°F (1910) | 2.33 in (1961) |
| April 26 | 88.0°F (1925) | 28.0°F (1919) | 1.50 in (1924) |
| April 27 | 87.1°F (1896) | 28.9°F (1928) | 1.71 in (2002) |
| April 28 | 90.0°F (1894) | 27.0°F (1928) | 1.48 in (2020) |
| April 29 | 93.9°F (1894) | 30.0°F (1988) | 2.47 in (1996) |
| April 30 | 91.9°F (1894) | 30.9°F (1908) | 1.64 in (1940) |