May weather forecastCiwandan, Indonesia

May

Weather in May

The last month of the autumn, May, is another hot month in Ciwandan, Indonesia, with an average temperature fluctuating between 26°C (78.8°F) and 30.9°C (87.6°F).

Temperature

The unfolding of May shows an average high-temperature of a still tropical 30.9°C (87.6°F), indicating a slight variance from April's 30.7°C (87.3°F). Ciwandan registers a gentle descent to an average nighttime low of 26°C (78.8°F) in May from its daytime highs.

Heat index

In May, the heat index is computed to be a torrid 39°C (102.2°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

The average relative humidity in May is 76%.

Rainfall

In Ciwandan, in May, during 24.7 rainfall days, 102mm (4.02") of precipitation is typically accumulated. In Ciwandan, Indonesia, during the entire year, the rain falls for 273 days and collects up to 1266mm (49.84") of precipitation.

Daylight

In Ciwandan, the average length of the day in May is 11h and 50min.
On the first day of May, sunrise is at 05:56 and sunset at 17:50. On the last day of the month, sunrise is at 05:59 and sunset at 17:47 WIB.

Sunshine

In May, the average sunshine is 8.9h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: During May, 7 as the daily maximum UV index converts into the following advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

An average high-temperature, in May, in Ciwandan, is 30.9°C (87.6°F) and the average low-temperature is 26°C (78.8°F). In May, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 39°C (102.2°F).

In May, the average relative humidity in Ciwandan is 76%.

In Ciwandan, during May, the rain falls for 24.7 days and regularly aggregates up to 102mm (4.02") of precipitation.

In May, the average day length is 11h and 50min.

In May, on the first day of the month, sunrise is at 05:56 and sunset at 17:50. On the last day of the month, sunrise is at 05:59 and sunset at 17:47 WIB.

The average sunshine duration in May is 8.9h.

The months with the highest UV index in Ciwandan are January through December, with an average maximum UV index of 7.

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

The average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
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 May
Ciwandan, Indonesia

  • Average high temperature in May: 30.9°C

The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is January (29.6°C).

  • Average low temperature in May: 26°C

The months with the highest average low temperature are May and November (26°C).
The coldest month (with the lowest average low temperature) is August (24.5°C).

Average pressure in May
Ciwandan, Indonesia

  • Average pressure in May: 1009.7mbar

The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in May
Ciwandan, Indonesia

  • Average wind speed in May: 7.4km/h

The windiest months (with the highest average wind speed) are January and December (11.3km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).

Average humidity in May
Ciwandan, Indonesia

  • Average humidity in May: 76%

The months with the highest relative humidity are February and March (78%).
The months with the lowest relative humidity are September and October (71%).

Average rainfall in May
Ciwandan, Indonesia

  • Average rainfall in May: 102mm

The wettest months (with the highest rainfall) are January and February (180mm).
The driest month (with the least rainfall) is August (29mm).

Average rainfall days in May
Ciwandan, Indonesia

  • Average rainfall days in May: 24.7 days

The month with the highest number of rainy days is January (28.8 days).
The month with the least rainy days is August (11.3 days).

Average daylight in May /
Average sunshine in May
Ciwandan, Indonesia

  • Average daylight in May: 11h and 48min

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 48min).

  • Average sunshine in May: 8h and 54min

The month with the most sunshine is September (Average sunshine: 9h and 18min).
The months with the least sunshine are June and July (Average sunshine: 7h and 12min).

Average sunshine days in May
Ciwandan, Indonesia

  • Average sunshine days in May: 3.8 days

The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is January (0.6 days).

Average UV index in May
Ciwandan, Indonesia

  • Average UV index in May: 7

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

Average cloud cover in May
Ciwandan, Indonesia

  • Average cloud cover in May: 33

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in May
Ciwandan, Indonesia

  • Average visibility in May: 10km

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