The temperatures in Mercer in May are comfortable with low of 12°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Mercer 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 Mercer in May 2025.
If you’re planning to visit Mercer in the near future, we highly recommend that you review the 14 day weather forecast for Mercer before you arrive.
Temperatures
21° / 12°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
130
mm
Sun Hours
9.1
Hrs
