December Weather in Imām Şāḩib Afghanistan

Daily high temperatures decrease by 6°F, from 57°F to 51°F, rarely falling below 37°F or exceeding 70°F.

Daily low temperatures decrease by 4°F, from 38°F to 34°F, rarely falling below 25°F or exceeding 48°F.

For reference, on July 11, the hottest day of the year, temperatures in Imām Şāḩib typically range from 73°F to 102°F, while on January 11, the coldest day of the year, they range from 33°F to 50°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Saint George, United States (7,309 miles away) and Vernon, United States (7,458 miles) are the far-away foreign places with temperatures most similar to Imām Şāḩib (view comparison).

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The month of December in Imām Şāḩib experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 49% to 55%.

The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 51% of the time.

For reference, on March 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 58%, while on August 14, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 100%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Imām Şāḩib, the chance of a wet day over the course of December is essentially constant, remaining around 13% throughout.

For reference, the year's highest daily chance of a wet day is 24% on March 18, and its lowest chance is 0% on August 25.

Over the course of December in Imām Şāḩib, the chance of a day with only rain remains an essentially constant 10% throughout, the chance of a day with mixed snow and rain remains an essentially constant 2% throughout, and the chance of a day with only snow remains an essentially constant 2% throughout.

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during December in Imām Şāḩib is essentially constant, remaining about 0.5 inches throughout, and rarely exceeding 1.3 inches.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day snowfall during December in Imām Şāḩib is essentially constant, remaining about 1.5 inches throughout, and rarely exceeding 4.4 inches or falling below -0.0 inches.

Over the course of December in Imām Şāḩib, the length of the day is essentially constant. The shortest day of the month is December 21, with 9 hours, 36 minutes of daylight and the longest day is December 1, with 9 hours, 48 minutes of daylight.

The earliest sunrise of the month in Imām Şāḩib is 6:49 AM on December 1 and the latest sunrise is 18 minutes later at 7:07 AM on December 31.

The earliest sunset is 4:36 PM on December 6 and the latest sunset is 10 minutes later at 4:46 PM on December 31.

Daylight saving time is not observed in Imām Şāḩib during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 4:34 AM and sets 14 hours, 43 minutes later, at 7:17 PM, while on December 21, the shortest day of the year, it rises at 7:04 AM and sets 9 hours, 36 minutes later, at 4:40 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for December 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Imām Şāḩib is essentially constant during December, remaining around 0% throughout.

For reference, on May 12, the muggiest day of the year, there are muggy conditions 2% of the time, while on November 3, the least muggy day of the year, there are muggy conditions 0% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Imām Şāḩib is essentially constant during December, remaining around 3.5 miles per hour throughout.

For reference, on July 8, the windiest day of the year, the daily average wind speed is 6.2 miles per hour, while on December 21, the calmest day of the year, the daily average wind speed is 3.5 miles per hour.

The lowest daily average wind speed during December is 3.5 miles per hour on December 21.

The hourly average wind direction in Imām Şāḩib throughout December is predominantly from the east, with a peak proportion of 36% on December 23.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Imām Şāḩib typically lasts for 8.8 months (270 days), from around March 1 to around November 26, rarely starting before February 9 or after March 24, and rarely ending before November 3 or after December 22.

The month of December in Imām Şāḩib is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season rapidly decreasing from 40% to 5% over the course of the month.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Imām Şāḩib are gradually increasing during December, increasing by 58°F, from 5,843°F to 5,900°F, over the course of the month.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Imām Şāḩib is essentially constant during December, remaining within 0.1 kWh of 2.4 kWh throughout.

The lowest average daily incident shortwave solar energy during December is 2.3 kWh on December 21.

For the purposes of this report, the geographical coordinates of Imām Şāḩib are 37.189 deg latitude, 68.936 deg longitude, and 1,175 ft elevation.

The topography within 2 miles of Imām Şāḩib is essentially flat, with a maximum elevation change of 72 feet and an average elevation above sea level of 1,167 feet. Within 10 miles is essentially flat (3,146 feet). Within 50 miles contains large variations in elevation (5,587 feet).

The area within 2 miles of Imām Şāḩib is covered by cropland (84%) and artificial surfaces (14%), within 10 miles by cropland (59%) and grassland (13%), and within 50 miles by cropland (47%) and bare soil (21%).