April weather in Sinclair, WY
The average temperature in Sinclair in April is 40.4°F (27.3°F–53.5°F). Average precipitation: 1.26 inches.
April is a spring month in Sinclair, and is cooler than the annual average of 43.1°F. Daily temperatures swing about 26.2°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 8m. For travel, April is cool.
Avg High
53.5°F
Avg Low
27.3°F
Precipitation
1.26 in
Daylight
13h 8m
April records in Sinclair
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 70.0°F (2012) | -11.0°F (1970) | 0.40 in (2026) |
| April 2 | 68.0°F (2021) | -6.0°F (1975) | 0.34 in (1982) |
| April 3 | 72.0°F (2021) | -6.9°F (2020) | 0.48 in (2023) |
| April 4 | 71.1°F (2021) | 5.0°F (2009) | 0.71 in (2023) |
| April 5 | 71.1°F (2021) | 1.0°F (2009) | 0.29 in (1958) |
| April 6 | 69.1°F (1959) | 3.9°F (1983) | 1.15 in (1993) |
| April 7 | 70.0°F (1988) | 2.1°F (2023) | 0.24 in (1973) |
| April 8 | 71.1°F (1996) | -5.1°F (1973) | 0.69 in (1969) |
| April 9 | 73.0°F (1996) | -2.9°F (1973) | 0.50 in (2009) |
| April 10 | 73.0°F (2012) | 5.0°F (1989) | 0.46 in (1979) |
| April 11 | 75.9°F (2025) | 3.0°F (1997) | 0.52 in (1996) |
| April 12 | 72.0°F (1992) | -5.1°F (1997) | 0.35 in (1982) |
| April 13 | 73.0°F (2017) | 8.2°F (2020) | 0.57 in (1996) |
| April 14 | 71.1°F (2015) | -2.0°F (1983) | 0.64 in (1992) |
| April 15 | 75.0°F (1962) | 9.0°F (1961) | 1.15 in (2000) |
| April 16 | 71.1°F (1985) | 10.9°F (1951) | 0.36 in (1968) |
| April 17 | 77.0°F (1994) | 10.2°F (2013) | 0.68 in (1968) |
| April 18 | 73.0°F (1994) | -6.9°F (2013) | 0.54 in (2011) |
| April 19 | 75.0°F (1962) | -5.1°F (1966) | 0.62 in (2003) |
| April 20 | 75.0°F (1989) | -8.0°F (1966) | 0.52 in (1973) |
| April 21 | 75.0°F (1989) | 9.0°F (1982) | 0.63 in (2019) |
| April 22 | 75.0°F (1969) | 14.0°F (2008) | 0.59 in (1999) |
| April 23 | 78.1°F (2012) | 8.1°F (1968) | 0.32 in (2003) |
| April 24 | 79.0°F (2012) | 17.1°F (1958) | 0.62 in (1951) |
| April 25 | 75.0°F (1981) | 14.2°F (2018) | 0.92 in (2009) |
| April 26 | 73.9°F (1987) | 15.1°F (1984) | 0.72 in (1994) |
| April 27 | 75.0°F (1992) | 8.1°F (1984) | 0.55 in (1976) |
| April 28 | 77.0°F (2000) | 1.0°F (1984) | 0.42 in (1960) |
| April 29 | 77.0°F (2007) | 9.0°F (2005) | 0.33 in (1951) |
| April 30 | 78.1°F (2020) | 15.1°F (1960) | 0.55 in (1993) |