Spring Weather in Bomet Kenya

Daily high temperatures are around 74°F, rarely falling below 70°F or exceeding 79°F.

Daily low temperatures are around 54°F, rarely falling below 50°F or exceeding 57°F. The highest daily average low temperature is 54°F on November 10.

For reference, on March 2, the hottest day of the year, temperatures in Bomet typically range from 54°F to 79°F, while on September 3, the coldest day of the year, they range from 53°F to 73°F.

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

Volcano, United States (10,974 miles away) and Catacocha, Ecuador (7,945 miles) are the far-away foreign places with temperatures most similar to Bomet (view comparison).

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The spring in Bomet experiences very rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 53% to 74%. The highest chance of overcast or mostly cloudy conditions is 76% on November 10.

The clearest day of the spring is September 1, with clear, mostly clear, or partly cloudy conditions 47% of the time.

For reference, on April 17, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 84%, while on August 31, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 47%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Bomet, the chance of a wet day over the course of the spring is very rapidly increasing, starting the season at 30% and ending it at 43%.

For reference, the year's highest daily chance of a wet day is 64% on April 24, and its lowest chance is 18% on July 4.

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 spring in Bomet is very rapidly increasing, starting the season at 1.6 inches, when it rarely exceeds 2.8 inches or falls below 0.6 inches, and ending the season at 3.8 inches, when it rarely exceeds 9.3 inches or falls below 0.7 inches.

The highest average 31-day accumulation is 4.1 inches on November 17.

Over the course of the spring in Bomet, the length of the day is essentially constant. The shortest day of the spring is September 1, with 12 hours, 6 minutes of daylight and the longest day is November 30, with 12 hours, 10 minutes of daylight.

The latest sunrise of the spring in Bomet is 6:35 AM on September 1 and the earliest sunrise is 18 minutes earlier at 6:17 AM on November 5.

The latest sunset is 6:41 PM on September 1 and the earliest sunset is 15 minutes earlier at 6:26 PM on November 1.

Daylight saving time is not observed in Bomet during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 6:31 AM and sets 12 hours, 10 minutes later, at 6:42 PM, while on June 20, the shortest day of the year, it rises at 6:37 AM and sets 12 hours, 5 minutes later, at 6:42 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 spring 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 Bomet is essentially constant during the spring, remaining around 0% throughout.

For reference, on January 11, the muggiest day of the year, there are muggy conditions 0% of the time, while on February 11, 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 Bomet is essentially constant during the spring, remaining within 0.4 miles per hour of 6.6 miles per hour throughout.

For reference, on October 18, the windiest day of the year, the daily average wind speed is 7.0 miles per hour, while on January 18, the calmest day of the year, the daily average wind speed is 5.5 miles per hour.

The highest daily average wind speed during the spring is 7.0 miles per hour on October 18.

The hourly average wind direction in Bomet throughout the spring is predominantly from the east, with a peak proportion of 91% on October 22.

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 Bomet 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 Bomet are very rapidly increasing during the spring, increasing by 1,220°F, from 722°F to 1,942°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 Bomet is essentially constant during the spring, remaining within 0.3 kWh of 6.3 kWh throughout.

For the purposes of this report, the geographical coordinates of Bomet are -0.781 deg latitude, 35.342 deg longitude, and 6,427 ft elevation.

The topography within 2 miles of Bomet contains significant variations in elevation, with a maximum elevation change of 627 feet and an average elevation above sea level of 6,390 feet. Within 10 miles contains significant variations in elevation (1,719 feet). Within 50 miles contains very significant variations in elevation (6,385 feet).

The area within 2 miles of Bomet is covered by cropland (99%), within 10 miles by cropland (80%) and trees (16%), and within 50 miles by cropland (37%) and trees (32%).