April weather forecast
Batau, Guinea-Bissau

April, like March, in Batau, Guinea-Bissau, is a very hot spring month, with an average temperature fluctuating between 22.8°C (73°F) and 36.7°C (98.1°F).

Temperature

The start of April sees the average high-temperature at a still very hot 36.7°C (98.1°F), showing little difference from March's 37.1°C (98.8°F). Despite the high peak temperatures, Batau witnesses an average nighttime cooling to a pleasant 22.8°C (73°F) in April.

Heat index

During April, the heat index is estimated at a blisteringly hot 43°C (109.4°F). Stay mindful: Heat exhaustion and heat cramps are likely. Heatstroke could follow extended physical effort.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

In April, the average relative humidity is 45%.

Rainfall

In April, in Batau, the rain falls for 1.8 days. Throughout April, 1mm (0.04") of precipitation is accumulated. In Batau, during the entire year, the rain falls for 103.1 days and collects up to 677mm (26.65") of precipitation.

Daylight

In Batau, the average length of the day in April is 12h and 25min.
On the first day of April in Batau, sunrise is at 07:00 and sunset at 19:16. On the last day of the month, sunrise is at 06:45 and sunset at 19:18 GMT.

Sunshine

The months with the most sunshine are March and April, with an average of 9.9h of sunshine.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In April, the maximum UV index of 7 transforms into these recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.