January Weather in Mongkol Borei Cambodia

Daily high temperatures increase by 3°F, from 89°F to 92°F, rarely falling below 83°F or exceeding 96°F.

Daily low temperatures increase by 2°F, from 69°F to 71°F, rarely falling below 62°F or exceeding 77°F.

For reference, on March 28, the hottest day of the year, temperatures in Mongkol Borei typically range from 78°F to 97°F, while on January 1, the coldest day of the year, they range from 69°F to 89°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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.

Mapastepec, Mexico (10,169 miles away); Managua, Nicaragua (10,564 miles); and São João Batista, Brazil (10,134 miles) are the far-away foreign places with temperatures most similar to Mongkol Borei (view comparison).

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The month of January in Mongkol Borei experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 46% throughout the month.

The clearest day of the month is January 2, with clear, mostly clear, or partly cloudy conditions 55% of the time.

For reference, on June 18, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 92%, while on February 7, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 55%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Mongkol Borei, the chance of a wet day over the course of January is gradually increasing, starting the month at 3% and ending it at 5%.

For reference, the year's highest daily chance of a wet day is 72% on September 7, and its lowest chance is 1% on December 19.

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 January in Mongkol Borei is essentially constant, remaining about 0.2 inches throughout, and rarely exceeding 0.8 inches.

Over the course of January in Mongkol Borei, the length of the day is essentially constant. The shortest day of the month is January 1, with 11 hours, 21 minutes of daylight and the longest day is January 31, with 11 hours, 32 minutes of daylight.

The earliest sunrise of the month in Mongkol Borei is 6:30 AM on January 1 and the latest sunrise is 5 minutes later at 6:35 AM on January 24.

The earliest sunset is 5:51 PM on January 1 and the latest sunset is 16 minutes later at 6:07 PM on January 31.

Daylight saving time is not observed in Mongkol Borei during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:41 AM and sets 12 hours, 56 minutes later, at 6:37 PM, while on December 21, the shortest day of the year, it rises at 6:26 AM and sets 11 hours, 20 minutes later, at 5:45 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 January 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 Mongkol Borei is increasing during January, rising from 41% to 49% over the course of the month.

The lowest chance of a muggy day during January is 40% on January 4.

For reference, on May 31, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 4, the least muggy day of the year, there are muggy conditions 40% 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 Mongkol Borei is gradually decreasing during January, decreasing from 6.7 miles per hour to 6.1 miles per hour over the course of the month.

For reference, on August 4, the windiest day of the year, the daily average wind speed is 7.5 miles per hour, while on October 4, the calmest day of the year, the daily average wind speed is 4.8 miles per hour.

The wind direction in Mongkol Borei during January is predominantly out of the north from January 1 to January 15 and the east from January 15 to January 31.

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 Mongkol Borei 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 Mongkol Borei are rapidly increasing during January, increasing by 864°F, from 29°F to 893°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 Mongkol Borei is essentially constant during January, remaining within 0.1 kWh of 5.5 kWh throughout.

For the purposes of this report, the geographical coordinates of Mongkol Borei are 13.541 deg latitude, 103.027 deg longitude, and 52 ft elevation.

The topography within 2 miles of Mongkol Borei is essentially flat, with a maximum elevation change of 85 feet and an average elevation above sea level of 43 feet. Within 10 miles is essentially flat (440 feet). Within 50 miles contains only modest variations in elevation (2,103 feet).

The area within 2 miles of Mongkol Borei is covered by cropland (70%) and artificial surfaces (28%), within 10 miles by cropland (84%) and artificial surfaces (11%), and within 50 miles by cropland (60%) and trees (19%).