May weather forecast
Pussellawa, Sri Lanka

May

Weather in May

The last month of the spring, May, is another hot month in Pussellawa, Sri Lanka, with an average temperature ranging between max 30.1°C (86.2°F) and min 21.8°C (71.2°F).

Temperature

As April transitions into May, the average high-temperature rests at a still tropical 30.1°C (86.2°F), maintaining a close resemblance to the previous month. An average low-temperature of 21.8°C (71.2°F) marks the nights throughout May.

Heat index

For most parts of May, the heat index is evaluated at a very hot 38°C (100.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In May, the average relative humidity is 80%.

Rainfall

In Pussellawa, Sri Lanka, in May, it is raining for 28.6 days, with typically 163mm (6.42") of accumulated precipitation. In Pussellawa, during the entire year, the rain falls for 278.4 days and collects up to 1466mm (57.72") of precipitation.

Daylight

In May, the average length of the day is 12h and 27min.
On the first day of May, sunrise is at 05:53 and sunset at 18:15. On the last day of the month, sunrise is at 05:49 and sunset at 18:20 +0530.

Sunshine

In Pussellawa, the average sunshine in May is 10.4h.

UV index

The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: During May, 6 as the daily maximum UV index converts into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

How hot does it get in May?
The high-temperature during May is 30.1°C (86.2°F) and the low-temperature is 21.8°C (71.2°F). In May, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 38°C (100.4°F).
What is the average humidity in May?
In May, the average relative humidity is 80%.
How much does it rain in May?
In Pussellawa, during May, the rain falls for 28.6 days and regularly aggregates up to 163mm (6.42") of precipitation.
How many hours of daylight does Pussellawa have in May?
In Pussellawa, the average day length in May is 12h and 27min.
When are sunrise and sunset in May in Pussellawa?
In May, on the first day of the month, sunrise is at 05:53 and sunset at 18:15. On the last day of the month, sunrise is at 05:49 and sunset at 18:20 +0530.
How many hours of sunshine does Pussellawa have in May?
In Pussellawa, the average sunshine duration in May is 10.4h.
What is the month with the highest UV index?
January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index.
What is the UV index reading in May in Pussellawa?
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from 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 - Pussellawa, Sri Lanka
Average temperature in May
Pussellawa, Sri Lanka
  • Average high temperature in May: 30.1°C

The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is December (27.5°C).

  • Average low temperature in May: 21.8°C

The months with the highest average low temperature are May and June (21.8°C).
The coldest month (with the lowest average low temperature) is February (18.1°C).

Average pressure in May - Pussellawa, Sri Lanka
Average pressure in May
Pussellawa, Sri Lanka
  • Average pressure in May: 1008.2mbar

The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).

Average wind speed in May - Pussellawa, Sri Lanka
Average wind speed in May
Pussellawa, Sri Lanka
  • Average wind speed in May: 9.3km/h

The windiest month (with the highest average wind speed) is June (13.5km/h).
The calmest month (with the lowest average wind speed) is April (4.7km/h).

Average humidity in May - Pussellawa, Sri Lanka
Average humidity in May
Pussellawa, Sri Lanka
  • Average humidity in May: 80%

The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).

Average rainfall in May - Pussellawa, Sri Lanka
Average rainfall in May
Pussellawa, Sri Lanka
  • Average rainfall in May: 163mm

The wettest month (with the highest rainfall) is October (301mm).
The driest month (with the least rainfall) is January (38mm).

Average rainfall days in May - Pussellawa, Sri Lanka
Average rainfall days in May
Pussellawa, Sri Lanka
  • Average rainfall days in May: 28.6 days

The month with the highest number of rainy days is May (28.6 days).
The month with the least rainy days is January (14.1 days).

Average daylight in May / Average sunshine in May - Pussellawa, Sri Lanka
Average daylight in May /
Average sunshine in May
Pussellawa, 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: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in May - Pussellawa, Sri Lanka
Average sunshine days in May
Pussellawa, Sri Lanka
  • Average sunshine days in May: 1.2 days

The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is May (1.2 days).

Average UV index in May - Pussellawa, Sri Lanka
Average UV index in May
Pussellawa, Sri Lanka
  • Average UV index in May: 6

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

Average cloud cover in May - Pussellawa, Sri Lanka
Average cloud cover in May
Pussellawa, Sri Lanka
  • Average cloud cover in May: 35

The months with the most cloud cover are November and December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 27).

Average visibility in May - Pussellawa, Sri Lanka
Average visibility in May
Pussellawa, Sri Lanka
  • Average visibility in May: 9km

The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).

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