May weather forecastAr Riyad, Egypt
May
Weather in May
May, the last month of the spring in Ar Riyad, is a tropical month, with temperature in the range of an average low of 16.7°C (62.1°F) and an average high of 33.4°C (92.1°F).Temperature
The arrival of May introduces a minor uplift in high-temperatures, adjusting from a moderately hot 29.3°C (84.7°F) in April to a hot 33.4°C (92.1°F). Significant variation from daytime temperatures marks May, with the month recording a nightly average of 16.7°C (62.1°F).Heat index
In May, the heat index is computed to be a sweltering 36°C (96.8°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.In terms of the heat index, values are set with light wind and shade conditions in mind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
With an average relative humidity of 47%, May is the least humid month in Ar Riyad, Egypt.Rainfall
In Ar Riyad, rain does not fall in April through September.Daylight
In May, the average length of the day in Ar Riyad is 13h and 43min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:33 pm. On the last day of May, in Ar Riyad, Egypt, sunrise is at 5:53 am and sunset at 7:52 pm EEST.
Sunshine
In May, the average sunshine in Ar Riyad is 12.1h.UV index
In Ar Riyad, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ar Riyad, Egypt
- Average high temperature in May: 33.4°C
The warmest month (with the highest average high temperature) is July (37.8°C).
The month with the lowest average high temperature is January (19.8°C).
- Average low temperature in May: 16.7°C
The months with the highest average low temperature are July and August (20.8°C).
The coldest month (with the lowest average low temperature) is January (8.4°C).
Average pressure in May
Ar Riyad, Egypt
- Average pressure in May: 1012.5mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is July (1007.8mbar).
Average wind speed in May
Ar Riyad, Egypt
- Average wind speed in May: 10.1km/h
The windiest months (with the highest average wind speed) are March and May (10.1km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).
Average humidity in May
Ar Riyad, Egypt
- Average humidity in May: 47%
The month with the highest relative humidity is December (64%).
The month with the lowest relative humidity is May (47%).
Average rainfall in May
Ar Riyad, Egypt
- Average rainfall in May: 0mm
The wettest month (with the highest rainfall) is March (6mm).
The driest months (with the least rainfall) are April, May, June, July, August and September (0mm).
Average rainfall days in May
Ar Riyad, Egypt
- Average rainfall days in May: 0.5 days
The month with the highest number of rainy days is February (3.3 days).
The months with the least rainy days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Ar Riyad, Egypt
- Average daylight in May: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in May: 12h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in May
Ar Riyad, Egypt
- Average sunshine days in May: 30.1 days
The months with the most sunshine days are July and August (31 days).
The month with the least sunshine days is February (24 days).
Average UV index in May
Ar Riyad, Egypt
- Average UV index in May: 7
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, February and December (UV index 4).
Average cloud cover in May
Ar Riyad, Egypt
- Average cloud cover in May: 9
The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June and July (Cloud cover 5).
Average visibility in May
Ar Riyad, Egypt
- Average visibility in May: 10km
The months with the highest visibility are May, June, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, July, August and September (9km).
