Summer Weather in Katoro Tanzania

Daily high temperatures are around 83°F, rarely falling below 76°F or exceeding 89°F. The lowest daily average high temperature is 82°F on December 19.

Daily low temperatures are around 60°F, rarely falling below 57°F or exceeding 64°F. The lowest daily average low temperature is 60°F on January 15.

For reference, on September 20, the hottest day of the year, temperatures in Katoro typically range from 60°F to 86°F, while on July 15, the coldest day of the year, they range from 56°F to 84°F.

The figure below shows you a compact characterization of the hourly average summer temperatures. 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.

San José de Cusmapa, Nicaragua (8,194 miles away) and Brasília, Federal District, Brazil (5,492 miles) are the far-away foreign places with temperatures most similar to Katoro (view comparison).

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The summer in Katoro experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 74% throughout the season. The highest chance of overcast or mostly cloudy conditions is 77% on January 31. The lowest chance of overcast or mostly cloudy conditions is 72% on December 4.

The clearest day of the summer is December 4, with clear, mostly clear, or partly cloudy conditions 28% of the time.

For reference, on January 31, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 77%, while on July 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 63%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Katoro, the chance of a wet day over the course of the summer is very rapidly decreasing, starting the season at 66% and ending it at 53%.

For reference, the year's highest daily chance of a wet day is 66% on November 20, and its lowest chance is 2% on July 2.

Rainfall

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

The average sliding 31-day rainfall during the summer in Katoro is decreasing, starting the season at 4.7 inches, when it rarely exceeds 7.4 inches or falls below 1.4 inches, and ending the season at 3.8 inches, when it rarely exceeds 6.7 inches or falls below 1.8 inches.

The lowest average 31-day accumulation is 3.2 inches on January 25.

Over the course of the summer in Katoro, the length of the day is essentially constant. The shortest day of the summer is February 28, with 12 hours, 10 minutes of daylight and the longest day is December 21, with 12 hours, 18 minutes of daylight.

The earliest sunrise of the summer in Katoro is 6:33 AM on December 1 and the latest sunrise is 27 minutes later at 7:00 AM on February 19.

The earliest sunset is 6:50 PM on December 1 and the latest sunset is 23 minutes later at 7:13 PM on February 4.

Daylight saving time is not observed in Katoro during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 6:41 AM and sets 12 hours, 18 minutes later, at 6:59 PM, while on June 20, the shortest day of the year, it rises at 6:55 AM and sets 11 hours, 57 minutes later, at 6:52 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 the summer of 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 Katoro is gradually increasing during the summer, rising from 33% to 35% over the course of the season.

For reference, on April 7, the muggiest day of the year, there are muggy conditions 41% of the time, while on July 2, the least muggy day of the year, there are muggy conditions 1% 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 Katoro is essentially constant during the summer, remaining within 0.2 miles per hour of 4.0 miles per hour throughout.

For reference, on August 10, the windiest day of the year, the daily average wind speed is 7.1 miles per hour, while on January 19, the calmest day of the year, the daily average wind speed is 3.8 miles per hour.

The lowest daily average wind speed during the summer is 3.8 miles per hour on January 19.

The wind direction in Katoro during the summer is predominantly out of the north from December 1 to February 12 and the south from February 12 to February 28.

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 Katoro 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 Katoro are very rapidly increasing during the summer, increasing by 1,814°F, from 3,172°F to 4,986°F, over the course of the season.

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 Katoro is gradually increasing during the summer, rising by 0.6 kWh, from 5.5 kWh to 6.1 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the summer is 5.4 kWh on December 6.

For the purposes of this report, the geographical coordinates of Katoro are -3.020 deg latitude, 31.896 deg longitude, and 4,255 ft elevation.

The topography within 2 miles of Katoro contains only modest variations in elevation, with a maximum elevation change of 407 feet and an average elevation above sea level of 4,154 feet. Within 10 miles contains only modest variations in elevation (823 feet). Within 50 miles also contains very significant variations in elevation (1,873 feet).

The area within 2 miles of Katoro is covered by cropland (54%) and shrubs (43%), within 10 miles by cropland (41%) and trees (29%), and within 50 miles by trees (35%) and cropland (29%).