Weather on January 18
Plano, TX
55 Years of Data
Avg High
57°F
Avg Low
34°F
Warmest
1974
69°F avg
Coldest
1977
27°F avg
About This Date
January 18th in Plano, TX typically brings cool winter weather, with average highs around 57°F and lows near 34°F. Over 56 years of records, the warmest January 18th was in 1974 (69°F average), while the coldest was 1977 (27°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 30% of January 18th dates historically, with the wettest January 18th recording 1.83" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for January 18th in Plano, TX? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 60° | 22° | 41° | — | — |
| 2025 | 59° | 28° | 44° | — | — |
| 2024 | 58° | 36° | 47° | — | — |
| 2023 | 69° | 57° | 63° | 0.15" | — |
| 2022 | 78° | 30° | 54° | — | — |
| 2021 | 67° | 35° | 51° | — | — |
| 2020 | 62° | 41° | 52° | — | — |
| 2019 | 66° | 38° | 52° | 0.03" | — |
| 2018 | 46° | 16° | 31° | — | — |
| 2017 | 51° | 45° | 48° | 0.89" | — |
| 2016 | 47° | 25° | 36° | 0.08" | — |
| 2015 | 68° | 36° | 52° | — | — |
| 2014 | 67° | 36° | 51° | — | — |
| 2013 | 61° | 29° | 45° | — | — |
| 2012 | 54° | 27° | 40° | — | — |
| 2011 | 56° | 39° | 47° | — | — |
| 2010 | 59° | 45° | 52° | — | — |
| 2009 | 65° | 36° | 50° | — | — |
| 2008 | 41° | 23° | 32° | — | — |
| 2007 | 38° | 25° | 31° | 0.1" | — |
| 2006 | 52° | 33° | 42° | — | — |
| 2005 | 46° | 25° | 35° | — | — |
| 2004 | 50° | 34° | 42° | 0.03" | — |
| 2003 | 54° | 21° | 37° | — | — |
| 2002 | 41° | 37° | 39° | 0.13" | — |
| 2001 | 38° | 33° | 35° | 0.41" | — |
| 2000 | 74° | 49° | 61° | — | — |
| 1999 | 71° | 35° | 53° | — | — |
| 1998 | 63° | 38° | 50° | — | — |
| 1997 | 51° | 20° | 35° | — | — |
| 1996 | 73° | 18° | 45° | 1.45" | — |
| 1995 | 59° | 40° | 49° | 0.53" | — |
| 1994 | 39° | 16° | 27° | — | — |
| 1993 | 52° | 36° | 44° | — | — |
| 1992 | 39° | 32° | 36° | 1.83" | — |
| 1991 | 52° | 43° | 47° | 0.99" | — |
| 1990 | 62° | 47° | 54° | 0.69" | — |
| 1989 | 63° | 37° | 50° | — | — |
| 1988 | 61° | 39° | 50° | — | — |
| 1987 | 38° | 29° | 33° | 1.52" | — |
| 1986 | 65° | 51° | 58° | — | — |
| 1985 | 62° | 29° | 45° | — | — |
| 1984 | 33° | 21° | 27° | — | — |
| 1983 | 54° | 34° | 44° | — | — |
| 1982 | 69° | 28° | 49° | — | — |
| 1981 | 47° | 31° | 39° | — | — |
| 1980 | 70° | 32° | 51° | — | — |
| 1979 | 64° | 51° | 58° | 0.13" | — |
| 1978 | 31° | 23° | 27° | — | — |
| 1977coldest | 39° | 14° | 27° | — | — |
| 1976 | 68° | 38° | 53° | — | — |
| 1975 | 62° | 43° | 52° | 0.05" | — |
| 1974warmest | 78° | 60° | 69° | — | — |
| 1973 | 67° | 55° | 61° | 0.05" | — |
| 1972 | 75° | 50° | 63° | — | — |
| 1971 | 59° | 38° | 48° | — | — |
56 years of data from RICHARDSON