April weather in Islandia, NY
The average temperature in Islandia in April is 49.7°F (41.2°F–58.3°F). Average precipitation: 4.06 inches. Average snowfall is 0.6 inches.
April is a spring month in Islandia, and is cooler than the annual average of 53.1°F. Daily temperatures swing about 17.1°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 6m. For travel, April is a comfortable month to visit.
Avg High
58.3°F
Avg Low
41.2°F
Precipitation
4.06 in
Snow
0.6 in
April records in Islandia
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 72.0°F (2026) | 16.0°F (1969) | 1.78 in (1998) |
| April 2 | 72.0°F (1967) | 19.9°F (1964) | 2.01 in (1970) |
| April 3 | 80.1°F (1967) | 23.0°F (2008) | 2.05 in (1982) |
| April 4 | 75.0°F (2010) | 26.1°F (1972) | 1.36 in (2007) |
| April 5 | 68.0°F (1988) | 24.1°F (1995) | 0.94 in (1977) |
| April 6 | 78.1°F (2023) | 23.0°F (1982) | 2.07 in (1971) |
| April 7 | 84.9°F (2010) | 23.0°F (1982) | 0.98 in (1964) |
| April 8 | 84.0°F (1991) | 25.0°F (1967) | 1.47 in (1973) |
| April 9 | 82.0°F (2013) | 26.1°F (1977) | 1.46 in (1998) |
| April 10 | 77.0°F (1991) | 25.0°F (1975) | 2.21 in (1983) |
| April 11 | 71.1°F (2023) | 26.1°F (2007) | 0.92 in (2009) |
| April 12 | 87.1°F (1977) | 27.0°F (1976) | 1.82 in (2007) |
| April 13 | 84.0°F (2023) | 27.0°F (1990) | 3.69 in (2004) |
| April 14 | 84.0°F (2023) | 28.0°F (1975) | 1.91 in (1964) |
| April 15 | 81.0°F (2026) | 28.0°F (1973) | 1.80 in (2021) |
| April 16 | 88.0°F (2002) | 26.1°F (1981) | 3.19 in (1983) |
| April 17 | 93.9°F (2002) | 30.0°F (1971) | 1.00 in (1986) |
| April 18 | 89.1°F (2002) | 30.9°F (1980) | 0.92 in (1969) |
| April 19 | 82.0°F (1985) | 27.0°F (1965) | 0.79 in (1983) |
| April 20 | 82.9°F (1976) | 28.0°F (1965) | 1.01 in (2009) |
| April 21 | 75.9°F (1976) | 30.0°F (1965) | 3.44 in (2000) |
| April 22 | 75.0°F (1985) | 28.9°F (1975) | 2.66 in (2012) |
| April 23 | 82.9°F (1973) | 30.9°F (1982) | 4.63 in (2006) |
| April 24 | 77.0°F (2008) | 32.0°F (2002) | 1.31 in (1968) |
| April 25 | 75.9°F (1994) | 30.0°F (1965) | 1.22 in (2010) |
| April 26 | 88.0°F (2009) | 33.1°F (2024) | 1.97 in (1973) |
| April 27 | 81.0°F (1990) | 32.0°F (2002) | 1.53 in (1979) |
| April 28 | 86.0°F (1990) | 28.9°F (1972) | 2.08 in (1980) |
| April 29 | 84.9°F (2017) | 32.0°F (1968) | 1.77 in (2023) |
| April 30 | 79.0°F (2007) | 33.1°F (1992) | 2.21 in (2014) |