April weather forecastKaliwiru, Indonesia

April

Weather in April

April, like March, is another hot autumn month in Kaliwiru, Indonesia, with temperature in the range of an average high of 30.8°C (87.4°F) and an average low of 24.3°C (75.7°F).

Temperature

Kaliwiru marks the start of April with an average high-temperature of a still tropical 30.8°C (87.4°F), hinting at a slight fluctuation from March's 30.3°C (86.5°F). In Kaliwiru, an average low-temperature of 24.3°C (75.7°F) is recorded during April nights.

Heat index

The average heat index in April is evaluated at a blistering 40°C (104°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Be aware that heat index ratings are designed for shaded locations and minor breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in April is 79%.

Rainfall

In Kaliwiru, in April, it is raining for 23.6 days, with typically 113mm (4.45") of accumulated precipitation. Throughout the year, there are 226.7 rainfall days, and 1000mm (39.37") of precipitation is accumulated.

Daylight

In April, the average length of the day is 11h and 57min.
On the first day of April, sunrise is at 05:41 and sunset at 17:43. On the last day of the month, sunrise is at 05:39 and sunset at 17:31 WIB.

Sunshine

In April, the average sunshine is 8.9h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In April, the average maximum UV index of 7 translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

In Kaliwiru, 30.8°C (87.4°F) is the average high-temperature and 24.3°C (75.7°F) is the average low-temperature during April. In April, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 40°C (104°F).

In April, the average relative humidity is 79%.

In April, the rain falls for 23.6 days. Throughout April, 113mm (4.45") of precipitation is accumulated.

In Kaliwiru, the average day length in April is 11h and 57min.

In April, on the first day of the month, sunrise is at 05:41 and sunset at 17:43. On the last day of the month, sunrise is at 05:39 and sunset at 17:31 WIB.

The average sunshine duration in April is 8.9h.

February through December, with an average maximum UV index of 7, are months with the highest UV index.

In Kaliwiru, the average daily maximum UV index in April is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Kaliwiru, Indonesia

  • Average high temperature in April: 30.8°C

The warmest month (with the highest average high temperature) is October (33.5°C).
The month with the lowest average high temperature is January (29.7°C).

  • Average low temperature in April: 24.3°C

The month with the highest average low temperature is November (25.4°C).
The coldest month (with the lowest average low temperature) is July (23°C).

Average pressure in April
Kaliwiru, Indonesia

  • Average pressure in April: 1009.8mbar

The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

Average wind speed in April
Kaliwiru, Indonesia

  • Average wind speed in April: 5.8km/h

The windiest month (with the highest average wind speed) is January (10.1km/h).
The calmest month (with the lowest average wind speed) is April (5.8km/h).

Average humidity in April
Kaliwiru, Indonesia

  • Average humidity in April: 79%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is September (66%).

Average rainfall in April
Kaliwiru, Indonesia

  • Average rainfall in April: 113mm

The wettest month (with the highest rainfall) is January (163mm).
The driest month (with the least rainfall) is August (14mm).

Average rainfall days in April
Kaliwiru, Indonesia

  • Average rainfall days in April: 23.6 days

The month with the highest number of rainy days is January (25.3 days).
The month with the least rainy days is August (8.9 days).

Average daylight in April /
Average sunshine in April
Kaliwiru, Indonesia

  • Average daylight in April: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in April: 8h and 54min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 8h and 12min).

Average sunshine days in April
Kaliwiru, Indonesia

  • Average sunshine days in April: 4.6 days

The month with the most sunshine days is August (19.7 days).
The month with the least sunshine days is November (3 days).

Average UV index in April
Kaliwiru, Indonesia

  • Average UV index in April: 7

The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).

Average cloud cover in April
Kaliwiru, Indonesia

  • Average cloud cover in April: 35

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in April
Kaliwiru, Indonesia

  • Average visibility in April: 9km

The months with the highest visibility are June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April and May (9km).