Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December sees a slight reduction in average high-temperature, with a shift from a mild 15.9°C (60.6°F) in November to a cool 12.4°C (54.3°F). Bastam Darreh, during the month of December, experiences an average low-temperature of 5.2°C (41.4°F).Humidity
In December, the average relative humidity is 51%.Rainfall
In December, the rain falls for 6.6 days. Throughout December, 12mm (0.47") of precipitation is accumulated. In Bastam Darreh, Iran, during the entire year, the rain falls for 64.1 days and collects up to 136mm (5.35") of precipitation.Snowfall
January through April and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 4mm (0.16") of snow. In Bastam Darreh, during the entire year, snow falls for 4.8 days and aggregates up to 65mm (2.56") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 06:42 and sunset at 16:26. On the last day of the month, sunrise is at 07:01 and sunset at 16:36 +0330.
Sunshine
The month with the least sunshine in Bastam Darreh is December, with an average of 7.1h of sunshine.UV index
The months with the lowest UV index in Bastam Darreh are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 3 suggests this advice:
Take necessary precautions - Defending against sun damage is advocated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Bastam Darreh?
What is the average humidity in December in Bastam Darreh?
How much does it rain in Bastam Darreh in December?
When does it start snowing in Bastam Darreh?
What is the month with the shortest days in Bastam Darreh?
What is the average length of the day in December in Bastam Darreh?
When are sunrise and sunset in December in Bastam Darreh?
What is the month with the least sunshine in Bastam Darreh?
How many hours of sunshine does Bastam Darreh have in December?
When is the lowest UV index in Bastam Darreh?
How high is the UV index in December in Bastam Darreh?
Average temperature in December
Bastam Darreh, Iran
- Average high temperature in December: 12.4°C
The warmest month (with the highest average high temperature) is July (37.5°C).
The month with the lowest average high temperature is January (10.9°C).
- Average low temperature in December: 5.2°C
The month with the highest average low temperature is July (26.1°C).
The coldest month (with the lowest average low temperature) is January (3.7°C).
Average pressure in December
Bastam Darreh, Iran
- Average pressure in December: 1022.4mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is July (1007.4mbar).
Average wind speed in December
Bastam Darreh, Iran
- Average wind speed in December: 10.6km/h
The windiest month (with the highest average wind speed) is July (12.7km/h).
The calmest months (with the lowest average wind speed) are October and November (10.2km/h).
Average humidity in December
Bastam Darreh, Iran
- Average humidity in December: 51%
The month with the highest relative humidity is February (58%).
The month with the lowest relative humidity is August (30%).
Average rainfall in December
Bastam Darreh, Iran
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is March (24mm).
The driest month (with the least rainfall) is September (3mm).
Average rainfall days in December
Bastam Darreh, Iran
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is March (8.8 days).
The month with the least rainy days is August (2.2 days).
Average snowfall in December
Bastam Darreh, Iran
- Average snowfall in December: 4mm
The month with the highest snowfall is February (35mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Bastam Darreh, Iran
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (2 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
Bastam Darreh, Iran
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 7h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in December
Bastam Darreh, Iran
- Average sunshine days in December: 23.2 days
The month with the most sunshine days is August (28.1 days).
The month with the least sunshine days is February (18.2 days).
Average UV index in December
Bastam Darreh, Iran
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Bastam Darreh, Iran
- Average cloud cover in December: 27
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in December
Bastam Darreh, Iran
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
