April weather forecast
Ras Al-Khaimah, United Arab Emirates

April brings a pronounced heat in Ras Al-Khaimah as summer begins in full swing. With temperatures oscillating between 18.9°C (66°F) to 35.2°C (95.4°F), April experiences a significant weather shift from the preceding months. Customary to the summer onset, the city witnesses a substantial decline in rainfall frequency, focusing on clear skies. The sunlight extends generously throughout the day, dictating a longer day cycle. As humidity decreases, it paves for an increased evaporation rate, enhancing the overall feel of summer.

Temperature

As Ras Al-Khaimah transitions into April, the average high-temperature is observed to rise from a moderately hot 29.5°C (85.1°F) in March to a fiery hot 35.2°C (95.4°F). Ras Al-Khaimah logs a notable disparity from the daily highs during April, as the nighttime temperature lowers to an average of 18.9°C (66°F).

Heat index

The heat index value during April is appraised at a blistering 42°C (107.6°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In Ras Al-Khaimah, the average relative humidity in April is 53%.

Rainfall

In Ras Al-Khaimah, in April, during 0.9 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Ras Al-Khaimah, during the entire year, the rain falls for 14.3 days and collects up to 133mm (5.24") of precipitation.

Sea temperature

In Ras Al-Khaimah, the average seawater temperature in April is 25.8°C (78.4°F).
Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C (77°F) to 29°C (84.2°F) is very pleasurable for extended periods, without any discomfort.

Daylight

In Ras Al-Khaimah, the average length of the day in April is 12h and 46min.
On the first day of April, sunrise is at 06:06 and sunset at 18:32. On the last day of the month, sunrise is at 05:39 and sunset at 18:46 +04.

Sunshine

In Ras Al-Khaimah, United Arab Emirates, the average sunshine in April is 9.5h.

UV index

The average daily maximum UV index in April in Ras Al-Khaimah is 11. A UV Index reading of 11, and higher, represents an excessive health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In April, a daily maximum UV index of 11 leads to the following instructions:
Practice every essential safety step. People with fair skin could receive burns in fewer than 5 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Use liberally and reapply a broad-spectrum sunscreen with at least SPF 30 every two hours and right after outdoor activities or a swim. Take note! Sand and water reflections strengthen the Sun's UV exposure.