The weather in Hamilton in May is hot. The average temperatures are between 20°C and 22°C.
You can expect about 3 to 8 days of rain in Hamilton 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 Hamilton in May 2025.
If you’re planning to visit Hamilton in the near future, we highly recommend that you review the 14 day weather forecast for Hamilton before you arrive.
Temperatures
22° / 20°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
88
mm
Sun Hours
10.8
Hrs
