January Weather in Ondangwa Namibia

Daily high temperatures decrease by 3°F, from 94°F to 91°F, rarely falling below 81°F or exceeding 101°F.

Daily low temperatures are around 69°F, rarely falling below 63°F or exceeding 75°F.

For reference, on October 12, the hottest day of the year, temperatures in Ondangwa typically range from 66°F to 97°F, while on July 7, the coldest day of the year, they range from 48°F to 80°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.

Cuicatlan, Mexico (8,061 miles away); Chihuahua, Mexico (7,712 miles); and Ribeirão Preto, Brazil (4,135 miles) are the far-away foreign places with temperatures most similar to Ondangwa (view comparison).

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The month of January in Ondangwa experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 66% to 71%. The highest chance of overcast or mostly cloudy conditions is 72% on January 30.

The clearest day of the month is January 1, with clear, mostly clear, or partly cloudy conditions 34% of the time.

For reference, on January 29, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 72%, while on June 12, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 94%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Ondangwa, the chance of a wet day over the course of January is very rapidly increasing, starting the month at 24% and ending it at 38%.

For reference, the year's highest daily chance of a wet day is 38% on February 1, and its lowest chance is -0% on July 28.

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 Ondangwa is rapidly increasing, starting the month at 2.3 inches, when it rarely exceeds 5.3 inches or falls below 0.3 inches, and ending the month at 3.6 inches, when it rarely exceeds 7.0 inches or falls below 0.6 inches.

Over the course of January in Ondangwa, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 17 minutes, implying an average daily decrease of 34 seconds, and weekly decrease of 3 minutes, 58 seconds.

The shortest day of the month is January 31, with 12 hours, 54 minutes of daylight and the longest day is January 1, with 13 hours, 11 minutes of daylight.

The earliest sunrise of the month in Ondangwa is 6:23 AM on January 1 and the latest sunrise is 18 minutes later at 6:42 AM on January 31.

The earliest sunset is 7:35 PM on January 1 and the latest sunset is 3 minutes later at 7:38 PM on January 18.

Daylight saving time is not observed in Ondangwa during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 6:18 AM and sets 13 hours, 12 minutes later, at 7:30 PM, while on June 20, the shortest day of the year, it rises at 7:26 AM and sets 11 hours, 3 minutes later, at 6:29 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 Ondangwa is increasing during January, rising from 6% to 14% over the course of the month.

For reference, on February 18, the muggiest day of the year, there are muggy conditions 17% of the time, while on May 17, 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 Ondangwa is essentially constant during January, remaining within 0.1 miles per hour of 7.2 miles per hour throughout.

For reference, on July 14, the windiest day of the year, the daily average wind speed is 9.5 miles per hour, while on March 7, the calmest day of the year, the daily average wind speed is 6.9 miles per hour.

The wind direction in Ondangwa during January is predominantly out of the east from January 1 to January 19 and from January 24 to January 31 and the south from January 19 to January 24.

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 Ondangwa 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 Ondangwa are rapidly increasing during January, increasing by 857°F, from 4,514°F to 5,371°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 Ondangwa is essentially constant during January, remaining within 0.2 kWh of 6.9 kWh throughout.

For the purposes of this report, the geographical coordinates of Ondangwa are -17.917 deg latitude, 15.950 deg longitude, and 3,602 ft elevation.

The topography within 2 miles of Ondangwa contains only modest variations in elevation, with a maximum elevation change of 213 feet and an average elevation above sea level of 3,605 feet. Within 10 miles also contains only modest variations in elevation (295 feet). Within 50 miles also contains only modest variations in elevation (328 feet).

The area within 2 miles of Ondangwa is covered by grassland (98%), within 10 miles by grassland (89%) and bare soil (10%), and within 50 miles by grassland (91%).