Plano weather records
Record high and low temperatures for Plano, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 108°F on 2023-08-18; its coldest fell to -1°F on 1989-12-23.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 82°F2006-01-03
21°F2026-01-25
|
67°F2026-01-08
7°F1982-01-11
|
| February | 90°F2024-02-26
13°F2021-02-15
|
67°F2019-02-06
-1°F2021-02-16
|
| March | 90°F2026-03-22
28°F1989-03-05
|
71°F2006-03-12
15°F2014-03-03
|
| April | 97°F2006-04-17
46°F1980-04-13
|
74°F2011-04-19
33°F1989-04-11
|
| May | 98°F2026-05-31
52°F2011-05-02
|
78°F2004-05-30
40°F2013-05-03
|
| June | 104°F1980-06-27
73°F2021-06-01
|
82°F2012-06-27
54°F1983-06-01
|
| July | 107°F2022-07-19
73°F2013-07-15
|
86°F2011-07-26
61°F2013-07-03
|
| August | 108°F2023-08-18
76°F1992-08-19
|
87°F2011-08-04
57°F1992-08-28
|
| September | 108°F2000-09-04
59°F1984-09-29
|
82°F2023-09-06
42°F1984-09-30
|
| October | 96°F2020-10-11
42°F2020-10-27
|
77°F1986-10-01
27°F1993-10-31
|
| November | 91°F2017-11-02
37°F2001-11-28
|
73°F2016-11-02
23°F2019-11-12
|
| December | 86°F2005-12-03
17°F1983-12-25
|
68°F2021-12-15
-1°F1989-12-23
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 90°F2024-02-26
13°F2021-02-15
|
68°F2021-12-15
-1°F1989-12-23
|
| Spring (Mar–May) | 98°F2026-05-31
28°F1989-03-05
|
78°F2004-05-30
15°F2014-03-03
|
| Summer (Jun–Aug) | 108°F2023-08-18
73°F2021-06-01
|
87°F2011-08-04
54°F1983-06-01
|
| Autumn (Sep–Nov) | 108°F2000-09-04
37°F2001-11-28
|
82°F2023-09-06
23°F2019-11-12
|
All-time records
The most extreme value Plano has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.