January weather in Sunnyvale, TX
The average temperature in Sunnyvale in January is °F (°F–°F). Average precipitation: 2.50 inches.
January is a winter month in Sunnyvale, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 10h 4m.
Avg High
°F
Avg Low
°F
Precipitation
2.50 in
Snow
0.1 in
January records in Sunnyvale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 1.9°F (1979) | — | 1.33 in (1948) |
| January 2 | — | — | 0.85 in (1944) |
| January 3 | — | — | 2.28 in (2005) |
| January 4 | — | — | 0.90 in (2007) |
| January 5 | — | — | 0.84 in (1960) |
| January 6 | — | — | 1.35 in (2009) |
| January 7 | — | — | 1.42 in (1961) |
| January 8 | — | — | 1.05 in (1961) |
| January 9 | — | — | 0.85 in (1946) |
| January 10 | — | — | 1.08 in (1955) |
| January 11 | — | — | 1.54 in (1974) |
| January 12 | — | — | 1.30 in (1998) |
| January 13 | — | — | 1.68 in (1950) |
| January 14 | — | — | 1.37 in (1951) |
| January 15 | — | — | 1.45 in (1954) |
| January 16 | — | — | 1.40 in (1964) |
| January 17 | — | — | 2.90 in (2004) |
| January 18 | — | — | 1.32 in (1945) |
| January 19 | — | — | 3.20 in (1990) |
| January 20 | — | — | 1.68 in (1979) |
| January 21 | — | — | 0.53 in (2007) |
| January 22 | — | — | 1.75 in (1965) |
| January 23 | — | — | 0.63 in (2006) |
| January 24 | — | — | 4.90 in (1949) |
| January 25 | — | — | 0.76 in (1949) |
| January 26 | — | — | 1.15 in (1973) |
| January 27 | — | — | 1.50 in (1992) |
| January 28 | — | — | 1.21 in (2006) |
| January 29 | — | — | 1.51 in (1999) |
| January 30 | — | — | 1.18 in (1942) |
| January 31 | — | — | 1.25 in (1950) |