May
Weather in May
Temperature
May's arrival signals a modest temperature shift, moving from a moderately hot 28.5°C (83.3°F) in April to a hot 32.2°C (90°F). Helwan's nights during May are marked by a pronounced drop from daytime temperatures, experiencing an average low of 17.3°C (63.1°F).Heat index
The average heat index in May is appraised at a hot 33°C (91.4°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
May is the least humid month, with an average relative humidity of 41%.Rainfall
May through October are months without rainfall.Daylight
In Helwan, the average length of the day in May is 13h and 40min.On the first day of May, sunrise is at 6:11 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:50 pm EEST.
Sunshine
In May, the average sunshine is 10.1h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Helwan in May?
What is the least humid month in Helwan?
What is the average humidity in May in Helwan?
What is the driest month in Helwan?
Does it rain in Helwan in May?
What is the average length of the day in May in Helwan?
When are sunrise and sunset in May in Helwan?
How many hours of sunshine does Helwan have in May?
Average temperature in May
Helwan, Egypt
- Average high temperature in May: 32.2°C
The warmest month (with the highest average high temperature) is July (35°C).
The month with the lowest average high temperature is January (18.5°C).
- Average low temperature in May: 17.3°C
The month with the highest average low temperature is August (21.1°C).
The coldest month (with the lowest average low temperature) is January (7.9°C).
Average humidity in May
Helwan, Egypt
- Average humidity in May: 41%
The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is May (41%).
Average rainfall in May
Helwan, Egypt
- Average rainfall in May: 0mm
The wettest months (with the highest rainfall) are January and December (5mm).
The driest months (with the least rainfall) are May, June, July, August, September and October (0mm).
Average rainfall days in May
Helwan, Egypt
- Average rainfall days in May: 0 days
The month with the highest number of rainy days is January (1 days).
The months with the least rainy days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Helwan, Egypt
- Average daylight in May: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
