Weather in Plano in May
In an average May, Plano sees a daily high around 83°F and a low around 65°F, based on 1980–2026 of local climate records.
| Average high | 83°F |
|---|---|
| Typical high range | 75°F to 89°F |
| Average low | 65°F |
| Typical low range | 57°F to 72°F |
| Average daily precipitation | 0.20 in |
May records
The most extreme May on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
98°F
2026-05-31
Lowest
52°F
2011-05-02
Low
Highest
78°F
2004-05-30
Lowest
40°F
2013-05-03
Feels-like
Highest
135°F
1985-05-30
Lowest
30°F
2013-05-03
Humidity
Highest
22.5 g/m³
1995-05-13
Lowest
4.9 g/m³
2014-05-02
Wind
Highest
29 mph
2010-05-10
Lowest
4 mph
2003-05-23
Gust
Highest
54 mph
1982-05-13
Lowest
10 mph
2005-05-21
Precip
Wettest
13.18 in
2015
Driest
1.78 in
2018
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