Nova Gorica, where it's located

The climate of Nova Gorica is moderately continental, with cold, damp winters and hot, muggy summers.
The city is located on the border with Italy (beyond the border we find the city of Gorizia), in the plain, but in the vicinity of hills and low mountains.
The average temperature of the coldest month (January) is of 3.5 °C (38 °F), that of the warmest month (July) is of 22.6 °C (73 °F). Here are the average temperatures.
Nova Gorica - Average temperatures
Min (°C)-1-1361114161612940
Max (°C)891418232629292419139
Min (°F)303037435257616154483932
Max (°F)464857647379848475665548

Precipitation amounts to 1,365 millimeters (53.7 inches) per year: so, it is quite abundant. It ranges from 65 mm (2.6 in) in the driest month (February) to 160 mm (6.3 in) in the wettest (September). Here is the average precipitation.
Nova Gorica - Average precipitation

On average, there are around 2,230 sunshine hours per year. Here are the average sunshine hours per day.
Nova Gorica - Sunshine

Nova Gorica

Best Time

The best period to visit Nova Gorica 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.