The climate in Shayrwānī-ye Bālā during December can be summarized as cold and reasonably dry.
December is in the winter in Shayrwānī-ye Bālā and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 2°C (35°F), whilst at night -6°C (21°F) is normal.
| Daytime temperature | 1.6°C 34.8°F | 
|---|---|
| Nightly temperature | -6.2°C 20.9°F | 
| Average temperature | -2.3°C 27.9°F | 
| Daily sunshine | 5.5 hrs | 
| Avg rainfall | 71 mm 2.8 ins | 
| Rainy days | 2 days | 
| Sea temperature | 17.8°C 64°F | 
| Humidity | 57% | 
| Windspeed | 9kph 6 mph | 
On average December is the 6th wettest month of the year in Shayrwānī-ye Bālā with around 71mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
				
						
						The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Shayrwānī-ye Bālā in December 2025.
Best places to visit in December
| Hottest month: | July | 22.4°C 72.3°F | 
|---|---|---|
| Driest month: | September | 10mm 0.4ins | 
| Sunniest month: | September | 9.9hrs | 
| Coldest month: | January | -0.9°C 30.4°F | 
| Wettest month: | March | 147mm 5.8ins |