Weather in Plano, Texas, United States in December
In an average December, Plano sees a daily high around 57°F and a low around 36°F, based on 1981–2026 of local climate records.
| Average high | 57°F |
|---|---|
| Typical high range | 43°F to 69°F |
| Average low | 36°F |
| Typical low range | 25°F to 48°F |
| Average daily precipitation | 0.10 in |
December records
The most extreme December on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
84°F
2005-12-03
Lowest
13°F
1989-12-22
Low
Highest
65°F
2021-12-15
Lowest
0°F
1989-12-23
Feels-like
Highest
90°F
2025-12-26
Lowest
-19°F
1989-12-22
Humidity
Highest
16.3 g/m³
2015-12-12
Lowest
0.8 g/m³
1989-12-22
Wind
Highest
33 mph
2009-12-24
Lowest
5 mph
2002-12-10
Precip
Wettest
9.02 in
1991
Driest
0.08 in
2025
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