Summer Weather in Giza Egypt

Daily high temperatures are around 94°F, rarely falling below 86°F or exceeding 102°F. The highest daily average high temperature is 96°F on August 1.

Daily low temperatures increase by 4°F, from 70°F to 74°F, rarely falling below 66°F or exceeding 79°F. The highest daily average low temperature is 76°F on August 10.

For reference, on July 31, the hottest day of the year, temperatures in Giza typically range from 76°F to 96°F, while on January 20, the coldest day of the year, they range from 50°F to 67°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.

Robstown, United States (7,217 miles away) is the far-away foreign place with temperatures most similar to Giza (view comparison).

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The summer in Giza experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 9% to 0%. The lowest chance of overcast or mostly cloudy conditions is 0% on June 26.

The clearest day of the summer is June 26, with clear, mostly clear, or partly cloudy conditions 100% of the time.

For reference, on December 10, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 29%, while on June 26, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 100%.

Over the course of the summer in Giza, the length of the day is rapidly decreasing. From the start to the end of the season, the length of the day decreases by 1 hour, 11 minutes, implying an average daily decrease of 47 seconds, and weekly decrease of 5 minutes, 26 seconds.

The shortest day of the summer is August 31, with 12 hours, 47 minutes of daylight and the longest day is June 20, with 14 hours, 5 minutes of daylight.

The earliest sunrise of the summer in Giza is 5:53 AM on June 11 and the latest sunrise is 38 minutes later at 6:31 AM on August 31.

The latest sunset is 8:00 PM on June 30 and the earliest sunset is 42 minutes earlier at 7:18 PM on August 31.

Daylight saving time is observed in Giza during 2024, but it neither starts nor ends during the summer, so the entire season is in standard time.

For reference, on June 20, the longest day of the year, the Sun rises at 5:54 AM and sets 14 hours, 5 minutes later, at 7:59 PM, while on December 21, the shortest day of the year, it rises at 6:47 AM and sets 10 hours, 13 minutes later, at 4:59 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 Giza is very rapidly increasing during the summer, rising from 4% to 54% over the course of the season.

The highest chance of a muggy day during the summer is 63% on August 16.

For reference, on August 16, the muggiest day of the year, there are muggy conditions 63% 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 Giza is decreasing during the summer, decreasing from 10.1 miles per hour to 9.0 miles per hour over the course of the season.

For reference, on June 8, the windiest day of the year, the daily average wind speed is 10.2 miles per hour, while on January 5, the calmest day of the year, the daily average wind speed is 7.9 miles per hour.

The highest daily average wind speed during the summer is 10.2 miles per hour on June 9. The lowest daily average wind speed during the summer is 8.8 miles per hour on August 15.

The hourly average wind direction in Giza throughout the summer is predominantly from the north, with a peak proportion of 86% on August 27.

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 Giza 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 Giza are very rapidly increasing during the summer, increasing by 2,876°F, from 2,531°F to 5,407°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 Giza is gradually decreasing during the summer, falling by 0.9 kWh, from 8.2 kWh to 7.3 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 8.5 kWh on June 24.

For the purposes of this report, the geographical coordinates of Giza are 30.008 deg latitude, 31.211 deg longitude, and 98 ft elevation.

The topography within 2 miles of Giza contains only modest variations in elevation, with a maximum elevation change of 213 feet and an average elevation above sea level of 77 feet. Within 10 miles contains only modest variations in elevation (971 feet). Within 50 miles contains very significant variations in elevation (2,707 feet).

The area within 2 miles of Giza is covered by artificial surfaces (79%) and water (12%), within 10 miles by artificial surfaces (36%) and bare soil (33%), and within 50 miles by bare soil (62%) and cropland (31%).