May weather forecast
Bandarawela, Sri Lanka

May

Weather in May

The last month of the spring, May, is also a moderately hot month in Bandarawela, Sri Lanka, with an average temperature fluctuating between 19.1°C (66.4°F) and 27.3°C (81.1°F).

Temperature

The shift into May records an average high-temperature of a still moderately hot 27.3°C (81.1°F), subtly varied from April's 27.6°C (81.7°F). During May, the nighttime temperature averages of 19.1°C (66.4°F).

Heat index

In May, the heat index is evaluated at a tropical 31°C (87.8°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Facing direct sunlight may hike up 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. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

The average relative humidity in May is 86%.

Rainfall

In Bandarawela, in May, it is raining for 29.8 days, with typically 290mm (11.42") of accumulated precipitation. In Bandarawela, during the entire year, the rain falls for 297.4 days and collects up to 2784mm (109.61") of precipitation.

Daylight

In Bandarawela, the average length of the day in May is 12h and 26min.
On the first day of the month, sunrise is at 05:52 and sunset at 18:14. On the last day of May, sunrise is at 05:48 and sunset at 18:18 +0530.

Sunshine

The average sunshine in May is 9.1h.

UV index

February through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

What is the usual temperature for Bandarawela in May?
The high-temperature, in May, in Bandarawela, is 27.3°C (81.1°F), while the low-temperature averages to 19.1°C (66.4°F). In May, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 31°C (87.8°F).
What is the average humidity in May?
The average relative humidity in May is 86%.
How many days does it rain in May?
In Bandarawela, in May, it is raining for 29.8 days, with typically 290mm (11.42") of accumulated precipitation.
How many hours of daylight does Bandarawela have in May?
The average day length in May is 12h and 26min.
What time are sunrise and sunset in May?
In May, on the first day of the month, sunrise is at 05:52 and sunset at 18:14. On the last day of the month, sunrise is at 05:48 and sunset at 18:18 +0530.
How many hours of sunshine does Bandarawela have in May?
In May, the average sunshine duration is 9.1h.
What are the months with the highest UV index?
The months with the highest UV index are February through September, with an average maximum UV index of 6.
What is the UV index reading in May?
In Bandarawela, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Bandarawela, Sri Lanka
  • Average high temperature in May: 27.3°C

The warmest month (with the highest average high temperature) is April (27.6°C).
The month with the lowest average high temperature is December (24.3°C).

  • Average low temperature in May: 19.1°C

The month with the highest average low temperature is May (19.1°C).
The coldest month (with the lowest average low temperature) is February (15.3°C).

Average pressure in May
Bandarawela, Sri Lanka
  • Average pressure in May: 1008.4mbar

The month with the highest atmospheric pressure is January (1011.7mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).

Average wind speed in May
Bandarawela, Sri Lanka
  • Average wind speed in May: 6.3km/h

The windiest month (with the highest average wind speed) is June (9.1km/h).
The calmest month (with the lowest average wind speed) is April (3.3km/h).

Average humidity in May
Bandarawela, Sri Lanka
  • Average humidity in May: 86%

The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is March (80%).

Average rainfall in May
Bandarawela, Sri Lanka
  • Average rainfall in May: 290mm

The wettest month (with the highest rainfall) is October (656mm).
The driest month (with the least rainfall) is January (85mm).

Average rainfall days in May
Bandarawela, Sri Lanka
  • Average rainfall days in May: 29.8 days

The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is February (16.3 days).

Average daylight in May /
Average sunshine in May
Bandarawela, Sri Lanka
  • Average daylight in May: 12h and 2min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in May
Bandarawela, Sri Lanka
  • Average sunshine days in May: 0.8 days

The month with the most sunshine days is February (11 days).
The month with the least sunshine days is May (0.8 days).

Average UV index in May
Bandarawela, Sri Lanka
  • Average UV index in May: 6

The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, October, November and December (UV index 5).

Average cloud cover in May
Bandarawela, Sri Lanka
  • Average cloud cover in May: 52

The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 42).

Average visibility in May
Bandarawela, Sri Lanka
  • Average visibility in May: 7km

The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are November and December (6km).

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