May weather forecastCiderum, Indonesia
May
Weather in May
The last month of the autumn, May, is also a hot month in Ciderum, Indonesia, with an average temperature varying between 30.1°C (86.2°F) and 21.3°C (70.3°F).Temperature
The arrival of May records an average high-temperature of a still tropical 30.1°C (86.2°F), closely related to the 30°C (86°F) observed in April. During May, the average low-temperature is recorded at a pleasant 21.3°C (70.3°F).Heat index
During May, the heat index is computed to be a sweltering 38°C (100.4°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
In May, the average relative humidity is 81%.Rainfall
In Ciderum, in May, it is raining for 26.6 days, with typically 248mm (9.76") of accumulated precipitation. In Ciderum, during the entire year, the rain falls for 305.8 days and collects up to 2855mm (112.4") of precipitation.Daylight
In Ciderum, the average length of the day in May is 11h and 49min.On the first day of the month, sunrise is at 05:53 and sunset at 17:45. On the last day of May, sunrise is at 05:57 and sunset at 17:43 WIB.
Sunshine
In May, the average sunshine is 8.3h.UV index
The months with the lowest UV index are January through March, May, June, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ciderum, Indonesia
- Average high temperature in May: 30.1°C
The warmest months (with the highest average high temperature) are August and October (31.7°C).
The month with the lowest average high temperature is January (28.4°C).
- Average low temperature in May: 21.3°C
The month with the highest average low temperature is November (22.4°C).
The coldest months (with the lowest average low temperature) are July and August (19.9°C).
Average pressure in May
Ciderum, Indonesia
- Average pressure in May: 1009.8mbar
The month with the highest atmospheric pressure is September (1011.3mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in May
Ciderum, Indonesia
- Average wind speed in May: 4.6km/h
The windiest month (with the highest average wind speed) is January (7.2km/h).
The calmest months (with the lowest average wind speed) are May and June (4.6km/h).
Average humidity in May
Ciderum, Indonesia
- Average humidity in May: 81%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is September (71%).
Average rainfall in May
Ciderum, Indonesia
- Average rainfall in May: 248mm
The wettest month (with the highest rainfall) is April (394mm).
The driest month (with the least rainfall) is August (80mm).
Average rainfall days in May
Ciderum, Indonesia
- Average rainfall days in May: 26.6 days
The month with the highest number of rainy days is April (28.9 days).
The month with the least rainy days is August (18.3 days).
Average daylight in May /
Average sunshine in May
Ciderum, 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 42min).
- Average sunshine in May: 8h and 18min
The month with the most sunshine is September (Average sunshine: 9h and 0min).
The month with the least sunshine is July (Average sunshine: 6h and 36min).
Average sunshine days in May
Ciderum, Indonesia
- Average sunshine days in May: 2.4 days
The month with the most sunshine days is August (8.8 days).
The month with the least sunshine days is April (0.8 days).
Average UV index in May
Ciderum, Indonesia
- Average UV index in May: 6
The months with the highest UV index are April, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, May, June, November and December (UV index 6).
Average cloud cover in May
Ciderum, Indonesia
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Ciderum, Indonesia
- Average visibility in May: 9km
The months with the highest visibility are January, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are February, March and April (8km).





