December weather forecastKaraj, Iran
December
Weather in December
Finally, Karaj welcomes December, a month characterized by the first signs of snow and the return of winter. With the mercury often dipping down to the bare minimum of the year at 0.3°C (32.5°F), there's no denial of winter's arrival. The trees stand bare against the winter's sky, and a beautiful tranquility envelops the city. The short daylight hours, amounting to just 9.8 per day on average, highlight the lengthening winter nights. As the year comes to an end, Karaj's residents appreciate the charm of winter, with its frost-kissed mornings and chilly nights.Temperature
December's arrival in Karaj correlates with a reduction in the average high-temperature, down from a refreshing 15.1°C (59.2°F) in November to a chilly 8.9°C (48°F). Karaj experiences an average low-temperature reading of 0.3°C (32.5°F) throughout December.Humidity
In December, the average relative humidity is 66%.Rainfall
In December, the rain falls for 5.8 days. Throughout December, 34mm (1.34") of precipitation is accumulated. Throughout the year, in Karaj, there are 44.3 rainfall days, and 252mm (9.92") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In December, in Karaj, snow falls for 2.7 days. Throughout the year, in Karaj, there are 14.3 snowfall days.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 06:58 and sunset at 16:52. On the last day of the month, sunrise is at 07:16 and sunset at 17:02 +0330.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Karaj, Iran
- Average high temperature in December: 8.9°C
The warmest month (with the highest average high temperature) is July (35.2°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in December: 0.3°C
The month with the highest average low temperature is August (19.1°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).
Average humidity in December
Karaj, Iran
- Average humidity in December: 66%
The month with the highest relative humidity is January (67%).
The months with the lowest relative humidity are June and August (34%).
Average rainfall in December
Karaj, Iran
- Average rainfall in December: 33.5mm
The wettest month (with the highest rainfall) is March (45.4mm).
The driest month (with the least rainfall) is August (1.2mm).
Average rainfall days in December
Karaj, Iran
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is March (6.7 days).
The months with the least rainy days are August and September (0.3 days).
Average snowfall days in December
Karaj, Iran
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Karaj, Iran
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).





