May weather forecastBertais, Indonesia
May
Weather in May
The last month of the autumn, May, is also a moderately hot month in Bertais, Indonesia, with temperature in the range of an average low of 25.2°C (77.4°F) and an average high of 28.8°C (83.8°F).Temperature
Bertais welcomes May with a high-temperature average of a still moderately hot 28.8°C (83.8°F), corresponding to the preceding month. Bertais's May nights observe a minor shift from the daytime temperatures, resulting in an average dip to a still warm 25.2°C (77.4°F).Heat index
For most parts of May, the heat index is estimated at a tropical 34°C (93.2°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Note that heat index values are valued for light wind and location in the shade. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The months with the highest humidity are January through March, May through July, September and December, with an average relative humidity of 79%.Rainfall
In Bertais, during May, the rain falls for 20 days and regularly aggregates up to 62mm (2.44") of precipitation. In Bertais, during the entire year, the rain falls for 231.2 days and collects up to 1002mm (39.45") of precipitation.Daylight
The average length of the day in May in Bertais is 11h and 44min.On the first day of the month, sunrise is at 06:18 and sunset at 18:06. On the last day of May, sunrise is at 06:23 and sunset at 18:02 WITA.
Sunshine
The average sunshine in May in Bertais is 9.3h.UV index
January through May, July 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 exposure to the Sun's UV radiation for the ordinary person.Note: In May, the maximum UV index of 7 translates into these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bertais, Indonesia
- Average high temperature in May: 28.8°C
The warmest month (with the highest average high temperature) is November (29°C).
The months with the lowest average high temperature are July and August (27.3°C).
- Average low temperature in May: 25.2°C
The month with the highest average low temperature is December (26.1°C).
The coldest month (with the lowest average low temperature) is August (23.2°C).
Average pressure in May
Bertais, Indonesia
- Average pressure in May: 1010.1mbar
The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in May
Bertais, Indonesia
- Average wind speed in May: 9.8km/h
The windiest month (with the highest average wind speed) is July (13.3km/h).
The calmest month (with the lowest average wind speed) is April (7.6km/h).
Average humidity in May
Bertais, Indonesia
- Average humidity in May: 79%
The months with the highest relative humidity are January, February, March, May, June, July, September and December (79%).
The month with the lowest relative humidity is October (77%).
Average rainfall in May
Bertais, Indonesia
- Average rainfall in May: 62mm
The wettest month (with the highest rainfall) is December (165mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in May
Bertais, Indonesia
- Average rainfall days in May: 20 days
The month with the highest number of rainy days is January (27.1 days).
The month with the least rainy days is August (10.3 days).
Average daylight in May /
Average sunshine in May
Bertais, Indonesia
- Average daylight in May: 11h and 42min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is October (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 54min).
Average sunshine days in May
Bertais, Indonesia
- Average sunshine days in May: 8.3 days
The month with the most sunshine days is August (16.1 days).
The month with the least sunshine days is January (2.9 days).
Average UV index in May
Bertais, Indonesia
- Average UV index in May: 7
The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).
Average cloud cover in May
Bertais, Indonesia
- Average cloud cover in May: 28
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are August and September (Cloud cover 22).
Average visibility in May
Bertais, Indonesia
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





