May weather forecastSif, Yemen
May
Weather in May
The last month of the spring, May, is also a hot month in Sif, Yemen, with temperature in the range of an average low of 25.5°C (77.9°F) and an average high of 32.6°C (90.7°F).Temperature
Sif, Yemen, observes a minor difference in average high-temperatures between April's 30.1°C (86.2°F) and May's 32.6°C (90.7°F). During May, the nighttime temperature in Sif averages of 25.5°C (77.9°F).Heat index
The heat index for May is estimated at a very hot 38°C (100.4°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
The average relative humidity in May is 58%.Rainfall
In Sif, in May, it is raining for 3.8 days, with typically 5mm (0.2") of accumulated precipitation. Throughout the year, there are 35.5 rainfall days, and 65mm (2.56") of precipitation is accumulated.Daylight
The average length of the day in May is 12h and 50min.On the first day of the month, sunrise is at 05:22 and sunset at 18:04. On the last day of May, sunrise is at 05:15 and sunset at 18:13 +03.
Sunshine
In May, the average sunshine in Sif is 12.1h.UV index
The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 7 during May translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sif, Yemen
- Average high temperature in May: 32.6°C
The warmest month (with the highest average high temperature) is June (35.7°C).
The month with the lowest average high temperature is January (25.1°C).
- Average low temperature in May: 25.5°C
The month with the highest average low temperature is July (28.4°C).
The coldest month (with the lowest average low temperature) is January (17.4°C).
Average pressure in May
Sif, Yemen
- Average pressure in May: 1008.9mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is July (1003.2mbar).
Average wind speed in May
Sif, Yemen
- Average wind speed in May: 9.3km/h
The windiest month (with the highest average wind speed) is July (15.3km/h).
The calmest month (with the lowest average wind speed) is December (8.5km/h).
Average humidity in May
Sif, Yemen
- Average humidity in May: 58%
The month with the highest relative humidity is January (63%).
The month with the lowest relative humidity is June (50%).
Average rainfall in May
Sif, Yemen
- Average rainfall in May: 5mm
The wettest month (with the highest rainfall) is November (13mm).
The driest months (with the least rainfall) are February and December (1mm).
Average rainfall days in May
Sif, Yemen
- Average rainfall days in May: 3.8 days
The month with the highest number of rainy days is July (5.6 days).
The month with the least rainy days is February (1 days).
Average daylight in May /
Average sunshine in May
Sif, Yemen
- Average daylight in May: 12h and 48min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in May: 12h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and February (Average sunshine: 7h and 36min).
Average sunshine days in May
Sif, Yemen
- Average sunshine days in May: 25.8 days
The month with the most sunshine days is December (29.5 days).
The month with the least sunshine days is September (22.9 days).
Average UV index in May
Sif, Yemen
- Average UV index in May: 7
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in May
Sif, Yemen
- Average cloud cover in May: 8
The month with the most cloud cover is July (Cloud cover 19).
The months with the least cloud cover are October and December (Cloud cover 5).
Average visibility in May
Sif, Yemen
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
