The temperatures in Plano in May are comfortable with low of 17°C and and high up to 27°C.
You can expect about 3 to 8 days of rain in Plano during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Plano in May 2025.
If you’re planning to visit Plano in the near future, we highly recommend that you review the 14 day weather forecast for Plano before you arrive.
Temperatures
27° / 17°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
154
mm
Sun Hours
9.1
Hrs
