Weather in Plano in January
In an average January, Plano sees a daily high around 56°F and a low around 37°F, based on 1980–2026 of local climate records.
| Average high | 56°F |
|---|---|
| Typical high range | 41°F to 70°F |
| Average low | 37°F |
| Typical low range | 25°F to 50°F |
| Average daily precipitation | 0.10 in |
January records
The most extreme January on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total January accumulation.
High
Highest
82°F
2006-01-03
Lowest
21°F
2026-01-25
Low
Highest
67°F
2026-01-08
Lowest
7°F
1982-01-11
Feels-like
Highest
88°F
2009-01-03
Lowest
-11°F
1982-01-11
Humidity
Highest
16.1 g/m³
2020-01-15
Lowest
0.9 g/m³
1982-01-11
Wind
Highest
30 mph
1992-01-13
Lowest
4 mph
2011-01-15
Gust
Highest
54 mph
2012-01-25
Lowest
8 mph
2018-01-24
Precip
Wettest
7.61 in
1998
Driest
0.17 in
1986
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