February Weather in Biltine Chad

Daily high temperatures increase by 5°F, from 94°F to 99°F, rarely falling below 86°F or exceeding 105°F.

Daily low temperatures increase by 6°F, from 60°F to 65°F, rarely falling below 52°F or exceeding 72°F.

For reference, on May 2, the hottest day of the year, temperatures in Biltine typically range from 77°F to 106°F, while on January 5, the coldest day of the year, they range from 58°F to 91°F.

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

Gadhada, India (3,353 miles away); Arcot, India (3,915 miles); and Kununurra, Australia (7,657 miles) are the far-away foreign places with temperatures most similar to Biltine (view comparison).

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The month of February in Biltine experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 31% to 36%.

The clearest day of the month is February 1, with clear, mostly clear, or partly cloudy conditions 69% of the time.

For reference, on August 10, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 50%, while on January 25, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 70%.

Over the course of February in Biltine, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 20 minutes, implying an average daily increase of 43 seconds, and weekly increase of 5 minutes, 4 seconds.

The shortest day of the month is February 1, with 11 hours, 31 minutes of daylight and the longest day is February 29, with 11 hours, 51 minutes of daylight.

The latest sunrise of the month in Biltine is 6:04 AM on February 1 and the earliest sunrise is 11 minutes earlier at 5:53 AM on February 29.

The earliest sunset is 5:35 PM on February 1 and the latest sunset is 9 minutes later at 5:44 PM on February 29.

Daylight saving time is not observed in Biltine during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:08 AM and sets 12 hours, 59 minutes later, at 6:07 PM, while on December 21, the shortest day of the year, it rises at 5:56 AM and sets 11 hours, 16 minutes later, at 5:12 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 February 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 Biltine is essentially constant during February, remaining around 0% throughout.

For reference, on August 17, the muggiest day of the year, there are muggy conditions 85% 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 Biltine is essentially constant during February, remaining within 0.1 miles per hour of 11.9 miles per hour throughout.

For reference, on February 18, the windiest day of the year, the daily average wind speed is 12.1 miles per hour, while on September 9, the calmest day of the year, the daily average wind speed is 5.8 miles per hour.

The highest daily average wind speed during February is 12.1 miles per hour on February 18.

The hourly average wind direction in Biltine throughout February is predominantly from the east, with a peak proportion of 63% on February 18.

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 Biltine 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 Biltine are rapidly increasing during February, increasing by 695°F, from 673°F to 1,368°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 Biltine is gradually increasing during February, rising by 0.6 kWh, from 6.4 kWh to 7.1 kWh, over the course of the month.

For the purposes of this report, the geographical coordinates of Biltine are 14.533 deg latitude, 20.917 deg longitude, and 1,680 ft elevation.

The topography within 2 miles of Biltine contains significant variations in elevation, with a maximum elevation change of 577 feet and an average elevation above sea level of 1,698 feet. Within 10 miles contains significant variations in elevation (1,273 feet). Within 50 miles contains very significant variations in elevation (2,149 feet).

The area within 2 miles of Biltine is covered by grassland (90%), within 10 miles by grassland (88%), and within 50 miles by grassland (77%) and bare soil (14%).