Summer Weather in Baikonur Kazakhstan

Daily high temperatures are around 90°F, rarely falling below 74°F or exceeding 103°F. The highest daily average high temperature is 94°F on July 21.

Daily low temperatures are around 64°F, rarely falling below 51°F or exceeding 76°F. The highest daily average low temperature is 69°F on July 21.

For reference, on July 21, the hottest day of the year, temperatures in Baikonur typically range from 69°F to 94°F, while on February 2, the coldest day of the year, they range from 8°F to 23°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.

Mitchell, South Dakota, United States (6,167 miles away) is the far-away foreign place with temperatures most similar to Baikonur (view comparison).

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The summer in Baikonur experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 26% to 13%. The lowest chance of overcast or mostly cloudy conditions is 10% on August 8.

The clearest day of the summer is August 8, with clear, mostly clear, or partly cloudy conditions 90% of the time.

For reference, on January 25, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 63%, while on August 8, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 90%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Baikonur, the chance of a wet day over the course of the summer is gradually decreasing, starting the season at 5% and ending it at 2%.

For reference, the year's highest daily chance of a wet day is 8% on April 8, and its lowest chance is 2% on August 1.

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 Baikonur is essentially constant, remaining about 0.2 inches throughout, and rarely exceeding 0.7 inches or falling below -0.0 inches.

Over the course of the summer in Baikonur, the length of the day is very rapidly decreasing. From the start to the end of the season, the length of the day decreases by 2 hours, 8 minutes, implying an average daily decrease of 1 minute, 24 seconds, and weekly decrease of 9 minutes, 49 seconds.

The shortest day of the summer is August 31, with 13 hours, 20 minutes of daylight and the longest day is June 21, with 15 hours, 42 minutes of daylight.

The earliest sunrise of the summer in Baikonur is 4:56 AM on June 16 and the latest sunrise is 1 hour, 10 minutes later at 6:06 AM on August 31.

The latest sunset is 8:40 PM on June 26 and the earliest sunset is 1 hour, 14 minutes earlier at 7:26 PM on August 31.

Daylight saving time is not observed in Baikonur during 2025.

For reference, on June 21, the longest day of the year, the Sun rises at 4:57 AM and sets 15 hours, 42 minutes later, at 8:39 PM, while on December 21, the shortest day of the year, it rises at 8:24 AM and sets 8 hours, 41 minutes later, at 5:05 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 2025. 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 Baikonur is essentially constant during the summer, remaining around 0% throughout.

For reference, on July 12, the muggiest day of the year, there are muggy conditions 0% of the time, while on September 14, 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 Baikonur is essentially constant during the summer, remaining within 0.2 miles per hour of 10.2 miles per hour throughout.

For reference, on March 3, the windiest day of the year, the daily average wind speed is 12.0 miles per hour, while on October 19, the calmest day of the year, the daily average wind speed is 9.5 miles per hour.

The wind direction in Baikonur during the summer is predominantly out of the north from June 1 to August 27 and the east from August 27 to August 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).

The growing season in Baikonur typically lasts for 6.1 months (185 days), from around April 11 to around October 14, rarely starting before March 25 or after May 1, and rarely ending before September 27 or after October 30.

The summer in Baikonur is reliably fully within the growing season.

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 Baikonur are very rapidly increasing during the summer, increasing by 2,540°F, from 839°F to 3,379°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 Baikonur is decreasing during the summer, falling by 1.3 kWh, from 7.6 kWh to 6.2 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 7.9 kWh on June 27.

For the purposes of this report, the geographical coordinates of Baikonur are 45.617 deg latitude, 63.317 deg longitude, and 299 ft elevation.

The topography within 2 miles of Baikonur contains only modest variations in elevation, with a maximum elevation change of 115 feet and an average elevation above sea level of 309 feet. Within 10 miles also contains only modest variations in elevation (197 feet). Within 50 miles also contains only modest variations in elevation (420 feet).

The area within 2 miles of Baikonur is covered by bare soil (86%), within 10 miles by bare soil (98%), and within 50 miles by bare soil (96%).