December Weather in Maţāy Egypt

Daily high temperatures decrease by 6°F, from 72°F to 67°F, rarely falling below 61°F or exceeding 79°F.

Daily low temperatures decrease by 6°F, from 50°F to 44°F, rarely falling below 39°F or exceeding 55°F.

For reference, on June 28, the hottest day of the year, temperatures in Maţāy typically range from 72°F to 97°F, while on January 17, the coldest day of the year, they range from 43°F to 67°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.

Gardendale, Texas, United States (7,307 miles away) is the far-away foreign place with temperatures most similar to Maţāy (view comparison).

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The month of December in Maţāy experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 25% throughout the month.

The clearest day of the month is December 28, with clear, mostly clear, or partly cloudy conditions 77% of the time.

For reference, on November 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 26%, while on September 8, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 99%.

Over the course of December in Maţāy, the length of the day is essentially constant. The shortest day of the month is December 21, with 10 hours, 20 minutes of daylight and the longest day is December 1, with 10 hours, 28 minutes of daylight.

The earliest sunrise of the month in Maţāy is 6:31 AM on December 1 and the latest sunrise is 17 minutes later at 6:48 AM on December 31.

The earliest sunset is 4:59 PM on December 1 and the latest sunset is 11 minutes later at 5:11 PM on December 31.

Daylight saving time is observed in Maţāy during 2025, but it neither starts nor ends during December, so the entire month is in standard time.

For reference, on June 21, the longest day of the year, the Sun rises at 6:00 AM and sets 13 hours, 57 minutes later, at 7:57 PM, while on December 21, the shortest day of the year, it rises at 6:44 AM and sets 10 hours, 20 minutes later, at 5:05 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 2025. 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 Maţāy is essentially constant during December, remaining around 0% throughout.

For reference, on August 15, the muggiest day of the year, there are muggy conditions 32% of the time, while on January 1, 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 Maţāy is essentially constant during December, remaining within 0.2 miles per hour of 7.6 miles per hour throughout.

For reference, on June 19, the windiest day of the year, the daily average wind speed is 11.7 miles per hour, while on January 6, the calmest day of the year, the daily average wind speed is 7.3 miles per hour.

The hourly average wind direction in Maţāy throughout December is predominantly from the north, with a peak proportion of 66% on December 1.

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).

Temperatures in Maţāy are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

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 Maţāy are increasing during December, increasing by 234°F, from 7,276°F to 7,510°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 Maţāy is essentially constant during December, remaining within 0.1 kWh of 3.9 kWh throughout.

The lowest average daily incident shortwave solar energy during December is 3.7 kWh on December 21.

For the purposes of this report, the geographical coordinates of Maţāy are 28.419 deg latitude, 30.779 deg longitude, and 131 ft elevation.

The topography within 2 miles of Maţāy is essentially flat, with a maximum elevation change of 62 feet and an average elevation above sea level of 114 feet. Within 10 miles is essentially flat (433 feet). Within 50 miles contains only modest variations in elevation (1,604 feet).

The area within 2 miles of Maţāy is covered by cropland (92%), within 10 miles by cropland (59%) and bare soil (34%), and within 50 miles by bare soil (82%) and cropland (15%).