The weather in Saint Peter in March is very hot. The average temperatures are between 78°F and 80°F, drinking water regularly is advisable.
You can expect a few rainy days in Saint Peter during March, but usually the weather is comfortable in March.
Our weather forecast can give you a great sense of what weather to expect in Saint Peter in March 2026.
If you’re planning to visit Saint Peter in the near future, we highly recommend that you review the 14 day weather forecast for Saint Peter before you arrive.
Temperatures
80° / 78°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
1.85
in
Sun Hours
11.5
Hrs