May weather forecast
Martubung, Indonesia

May

Weather in May

The last month of the spring, May, is another hot month in Martubung, Indonesia, with an average temperature ranging between min 25.1°C (77.2°F) and max 32.5°C (90.5°F).

Temperature

Martubung's temperatures tend to hit their maximum during May and June, with an average high-temperature of 32.5°C (90.5°F).

Heat index

In May, the average heat index is computed to be a life-threatening hot 45°C (113°F). Guard: Heat exhaustion and heat cramps are foreseeable. Prolonged effort may bring about heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. 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. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The average relative humidity in May is 77%.

Rainfall

In Martubung, Indonesia, during May, the rain falls for 27 days and regularly aggregates up to 115mm (4.53") of precipitation. In Martubung, during the entire year, the rain falls for 305.3 days and collects up to 1283mm (50.51") of precipitation.

Daylight

In Martubung, the average length of the day in May is 12h and 17min.
On the first day of the month, sunrise is at 06:14 and sunset at 18:29. On the last day of May, sunrise is at 06:13 and sunset at 18:32 WIB.

Sunshine

In May, the average sunshine is 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 value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 7 transforms into these recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What month is the hottest?
In Martubung, Indonesia, the warmest period comes during May and June, when the average high-temperature touches 32.5°C (90.5°F).
How hot is it in May?
The high-temperature during May is 32.5°C (90.5°F) and the low-temperature is 25.1°C (77.2°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in May is computed to be 45°C (113°F).
What is the average humidity in May?
The average relative humidity in May is 77%.
How much does it rain in May?
In Martubung, in May, during 27 rainfall days, 115mm (4.53") of precipitation is typically accumulated.
How many hours of daylight does Martubung have in May?
The average day length in May is 12h and 17min.
What time are sunrise and sunset in May in Martubung?
In May, on the first day of the month, sunrise is at 06:14 and sunset at 18:29. On the last day of the month, sunrise is at 06:13 and sunset at 18:32 WIB.
How many hours of sunshine does Martubung have in May?
In Martubung, the average sunshine duration in May is 9h.
What are the months with the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What are the months with the lowest UV index?
January through December, with an average maximum UV index of 7, are months with the lowest UV index.
What is the UV index reading in May?
In May, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Martubung, Indonesia
Average temperature in May
Martubung, Indonesia
  • Average high temperature in May: 32.5°C

The warmest months (with the highest average high temperature) are May and June (32.5°C).
The month with the lowest average high temperature is December (30.2°C).

  • Average low temperature in May: 25.1°C

The months with the highest average low temperature are April and May (25.1°C).
The coldest month (with the lowest average low temperature) is January (23.8°C).

Average pressure in May - Martubung, Indonesia
Average pressure in May
Martubung, Indonesia
  • Average pressure in May: 1009.5mbar

The months with the highest atmospheric pressure are January and February (1010.8mbar).
The month with the lowest atmospheric pressure is May (1009.5mbar).

Average wind speed in May - Martubung, Indonesia
Average wind speed in May
Martubung, Indonesia
  • Average wind speed in May: 6.1km/h

The windiest month (with the highest average wind speed) is February (7.1km/h).
The calmest months (with the lowest average wind speed) are May, September and October (6.1km/h).

Average humidity in May - Martubung, Indonesia
Average humidity in May
Martubung, Indonesia
  • Average humidity in May: 77%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is March (75%).

Average rainfall in May - Martubung, Indonesia
Average rainfall in May
Martubung, Indonesia
  • Average rainfall in May: 115mm

The wettest month (with the highest rainfall) is October (165mm).
The driest month (with the least rainfall) is February (57mm).

Average rainfall days in May - Martubung, Indonesia
Average rainfall days in May
Martubung, Indonesia
  • Average rainfall days in May: 27 days

The month with the highest number of rainy days is August (28.8 days).
The month with the least rainy days is February (18.7 days).

Average daylight in May / Average sunshine in May - Martubung, Indonesia
Average daylight in May /
Average sunshine in May
Martubung, Indonesia
  • Average daylight in May: 12h and 2min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in May: 9h and 0min

The months with the most sunshine are March and June (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 7h and 54min).

Average sunshine days in May - Martubung, Indonesia
Average sunshine days in May
Martubung, Indonesia
  • Average sunshine days in May: 3.1 days

The month with the most sunshine days is February (7.6 days).
The month with the least sunshine days is September (0.9 days).

Average UV index in May - Martubung, Indonesia
Average UV index in May
Martubung, 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 - Martubung, Indonesia
Average cloud cover in May
Martubung, Indonesia
  • Average cloud cover in May: 36

The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 30).

Average visibility in May - Martubung, Indonesia
Average visibility in May
Martubung, Indonesia
  • Average visibility in May: 10km

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

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