May weather forecast
Madang, Papua New Guinea

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Weather in May

May stays the course, retaining the predictable yet soothing weather pattern of Madang. A captivating blend of sunshine and rains compete for prominence this time of the year. The overall ambience reflects an easy-going ethos, presenting the ideal setting for leisure and relaxation. A distinct feature of May's weather is an upsurge in the hours of sunshine to 6.2 hours. The gradual deviation from rainfall to sunny days facilitates diverse outdoor activities.

Temperature

With the onset of May, a modest change to a still hot 30.7°C (87.3°F) from April's 30.6°C (87.1°F) is noted in high-temperature. Madang encounters a steady low-temperature average of 23.9°C (75°F) throughout the month of May.

Heat index

For most parts of May, the heat index is calculated to be a blistering 42°C (107.6°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Heat index determinations are made taking into account the shade and light air movements. 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 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. 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 hold particular importance for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

January through May, with an average relative humidity of 85%, are the most humid months.

Rainfall

In Madang, during May, the rain falls for 21 days and regularly aggregates up to 343mm (13.5") of precipitation. Throughout the year, there are 224 rainfall days, and 3107mm (122.32") of precipitation is accumulated.

Sea temperature

In Madang, in May, the average water temperature is 29.5°C (85.1°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.

Daylight

The average length of the day in May is 11h and 53min.
On the first day of the month, sunrise is at 06:16 and sunset at 18:11. On the last day of May, sunrise is at 06:19 and sunset at 18:09 +10.

Sunshine

In Madang, the average sunshine in May is 6.2h.

UV index

The months with the highest UV index are January through May, August through December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the maximum UV index of 12 suggests this advice:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Even when it's cloudy, ensure the generous application and frequent reapplication of a sunscreen with at least 30 SPF, particularly post swim or outdoor activity. Warning! The reflection of sand and water increases the UV dose.

Frequently asked questions

How hot is it in May?

The high-temperature, in May, in Madang, records 30.7°C (87.3°F), while the low-temperature is 23.9°C (75°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in May is calculated to be 42°C (107.6°F).

What are the most humid months?

The months with the highest humidity are January through May, with an average relative humidity of 85%.

What is the average humidity in May?

In May, the average relative humidity is 85%.

How many days does it rain in May?

In May, the rain falls for 21 days. Throughout May, 343mm (13.5") of precipitation is accumulated.

How warm is the water in May?

In Madang, in May, the average water temperature is 29.5°C (85.1°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Madang have in May?

In Madang, the average day length in May is 11h and 53min.

What time are sunrise and sunset in May in Madang?

In May, on the first day of the month, sunrise is at 06:16 and sunset at 18:11. On the last day of the month, in Madang, Papua New Guinea, sunrise is at 06:19 and sunset at 18:09 +10.

How many hours of sunshine does Madang have in May?

In Madang, the average sunshine duration in May is 6.2h.

What are the months with the highest UV index in Madang?

January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index reading in May?

In Madang, the average daily maximum UV index in May is 12. A UV Index reading of 11, and higher, represents an excessive health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Madang, Papua New Guinea

Average temperature in May - Madang, Papua New Guinea
  • Average high temperature in May: 30.7°C

The warmest month (with the highest average high temperature) is November (31.2°C).
The months with the lowest average high temperature are July and August (30.2°C).

  • Average low temperature in May: 23.9°C

The months with the highest average low temperature are January, March, May, November and December (23.9°C).
The coldest month (with the lowest average low temperature) is July (23.4°C).

Average humidity in May
Madang, Papua New Guinea

Average humidity in May - Madang, Papua New Guinea
  • Average humidity in May: 85%

The months with the highest relative humidity are January, February, March, April and May (85%).
The month with the lowest relative humidity is August (82%).

Average rainfall in May
Madang, Papua New Guinea

Average rainfall in May - Madang, Papua New Guinea
  • Average rainfall in May: 343.4mm

The wettest month (with the highest rainfall) is April (389.4mm).
The driest month (with the least rainfall) is September (82.6mm).

Average rainfall days in May
Madang, Papua New Guinea

Average rainfall days in May - Madang, Papua New Guinea
  • Average rainfall days in May: 21 days

The months with the highest number of rainy days are January, March, April and December (23 days).
The month with the least rainy days is September (11 days).

Average sea temperature in May
Madang, Papua New Guinea

Average sea temperature in May - Madang, Papua New Guinea
  • Average sea temperature in May: 29.5°C

The best month for swimming (with the highest average sea temperature) is December (29.9°C).
The coldest month (with the lowest average sea temperature) is August (28.2°C).

Average daylight in May /
Average sunshine in May
Madang, Papua New Guinea

Average daylight in May / Average sunshine in May - Madang, Papua New Guinea
  • Average daylight in May: 11h and 5min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).

  • Average sunshine in May: 6h and 1min

The month with the most sunshine is September (Average sunshine: 7h and 36min).
The month with the least sunshine is March (Average sunshine: 4h and 36min).

Average UV index in May
Madang, Papua New Guinea

Average UV index in May - Madang, Papua New Guinea
  • Average UV index in May: 12

The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 12).
The month with the lowest UV index is June (UV index 10).

Madang, Papua New Guinea

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