What December feels like in Isfahan
For Isfahan, December is early winter on the calendar. Afternoons feel chilly — fine for exploring on foot if you are dressed for it. After dark the temperature drops clearly: nights hover around freezing, so frost is common. Moderate humidity keeps the air pleasant.
Rain in Isfahan in December
December is a dry month in Isfahan; rain falls about one day in 10. Each rainy day adds about 4.8 mm (0.2 in), a proper wetting rather than a sprinkle. Across the year Isfahan averages about 4.5 mm per rainy day, so December is typical.
Daylight and sunshine in December
Mid-month, Isfahan gets 10 h 1 min of daylight, from sunrise near 6:58 am to sunset near 4:59 pm. Compared with mid-November, the day has lost 29 min. Measured sunshine covers about 86% of the daylight — skies are mostly clear.
How December compares to the rest of the year
In Isfahan's temperature order, December sits as the 2nd coolest month. Against November, the average high is 5.4°C (9.7°F) lower, with 7 mm less rain. January is cooler again. January averages a high of 9.2°C (48.6°F).
Who December suits
- Sightseeing: a good fit — daytime temperatures are fine for walking around.
- Parks & outdoor: less ideal — too cool to sit outside for long.
Tips for visiting Isfahan in December
Versatile Layers
Days are noticeably warmer than nights — layers you can add or remove.
Warm Layers
Insulated layers and warm shoes for the cold hours.
Sunglasses
Plenty of sun, so bring sunglasses and a cap.
Quick questions
How warm is Isfahan in December?
Expect around 10.5°C (50.9°F) in the afternoon and -1.4°C (29.5°F) at night, which most visitors would call chilly.
Does it rain a lot in Isfahan in December?
No — December is one of the drier times, with about 3 rainy days and 14 mm in total.
What should I wear in Isfahan in December?
Based on the averages: versatile layers, warm layers and sunglasses. Add a layer for after dark.
Is December or January better for visiting Isfahan?
On our 12-month climate ranking, January comes out ahead (#10 of 12 vs #11). January is cooler.