Verona, where it's located

The climate of Verona is moderately continental, with cold, damp winters and hot, muggy summers.
The city is located in the western part of the Venetian plain, and has a climate similar to that of Milan.
The average temperature of the coldest month (January) is of 2.5 °C (36 °F), that of the warmest month (July) is of 24.4 °C (76 °F). Here are the average temperatures.
Verona - Average temperatures
Min (°C)-10471216191814940
Max (°C)691418242730302518127
Min (°F)303239455461666457483932
Max (°F)434857647581868677645445

Precipitation amounts to 785 millimeters (30.9 inches) per year: so, it is at an intermediate level. It ranges from 35 mm (1.4 in) in the driest month (February) to 85 mm (3.3 in) in the wettest ones (June, August).
Snow in Verona falls quite rarely, and more rarely than in the Po valley, since it is protected by the Lessini mountains when the cold north-east wind blows. Here is the average precipitation.
Verona - Average precipitation

On average, there are around 2,200 sunshine hours per year. Here are the average sunshine hours per day.
Verona - Sunshine


Best Time

The best period to visit Verona is that of spring and early summer, and in particular, from mid-April to mid-June. September, too, is a good month. However, you have to take into account some rainy days in both periods.
Summer can be hot, although some days can be acceptable, especially in June. In summer, and sometimes in May, sudden thunderstorms in the afternoon or evening must be put into account.