April weather in Newcastle, WY
The average temperature in Newcastle in April is 45.2°F (33.3°F–57.0°F). Average precipitation: 1.70 inches. Average snowfall is 5.0 inches.
April is a spring month in Newcastle, and is cooler than the annual average of 47.3°F. Daily temperatures swing about 23.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 13m. For travel, April is cool.
Avg High
57.0°F
Avg Low
33.3°F
Precipitation
1.70 in
Snow
5.0 in
April records in Newcastle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 80.1°F (2004) | 3.9°F (1936) | 0.64 in (2024) |
| April 2 | 80.1°F (2004) | -13.0°F (1936) | 0.62 in (1940) |
| April 3 | 75.9°F (1921) | -0.9°F (1936) | 0.64 in (1946) |
| April 4 | 75.0°F (1992) | -2.0°F (1920) | 0.49 in (1947) |
| April 5 | 78.1°F (2000) | 3.0°F (1936) | 0.65 in (1997) |
| April 6 | 81.0°F (2006) | 8.1°F (1939) | 0.64 in (1922) |
| April 7 | 82.9°F (2004) | 5.0°F (1938) | 0.70 in (2021) |
| April 8 | 80.1°F (1930) | 8.1°F (1928) | 1.12 in (1975) |
| April 9 | 82.0°F (2005) | 10.0°F (1973) | 1.13 in (1943) |
| April 10 | 82.0°F (1910) | 8.1°F (1940) | 0.98 in (1963) |
| April 11 | 84.9°F (1996) | 3.0°F (1997) | 0.97 in (1966) |
| April 12 | 81.0°F (1998) | 6.1°F (1997) | 0.98 in (1996) |
| April 13 | 82.9°F (2003) | 6.1°F (2020) | 0.60 in (1941) |
| April 14 | 81.0°F (1942) | 7.0°F (2020) | 0.45 in (1910) |
| April 15 | 82.0°F (2002) | 12.0°F (1986) | 0.82 in (1927) |
| April 16 | 81.0°F (1926) | 14.0°F (2022) | 1.08 in (2024) |
| April 17 | 79.0°F (1948) | 16.0°F (1999) | 1.20 in (1986) |
| April 18 | 84.0°F (1994) | 10.0°F (1953) | 1.19 in (1971) |
| April 19 | 84.9°F (1910) | 10.0°F (1909) | 1.72 in (2000) |
| April 20 | 88.0°F (1962) | 5.0°F (1966) | 0.60 in (2005) |
| April 21 | 86.0°F (1980) | 12.9°F (1931) | 0.83 in (2005) |
| April 22 | 84.9°F (1989) | 14.0°F (1951) | 1.28 in (1929) |
| April 23 | 82.9°F (1994) | 10.9°F (2013) | 1.09 in (1942) |
| April 24 | 86.0°F (1962) | 12.9°F (1918) | 0.74 in (1911) |
| April 25 | 86.0°F (1918) | 16.0°F (1907) | 1.72 in (1969) |
| April 26 | 86.0°F (1952) | 19.0°F (1932) | 0.96 in (1986) |
| April 27 | 91.0°F (1910) | 16.0°F (1918) | 0.92 in (1989) |
| April 28 | 87.1°F (2001) | 15.1°F (1984) | 0.95 in (1978) |
| April 29 | 87.1°F (2001) | 10.9°F (1907) | 0.85 in (2025) |
| April 30 | 84.9°F (1926) | 6.1°F (1909) | 0.75 in (1949) |