May weather forecast
Rambukkana, Sri Lanka

May

Weather in May

May, the last month of the spring in Rambukkana, is another hot month, with an average temperature ranging between min 71.2°F and max 86.2°F.

Temperature

Upon the beginning of May, Rambukkana's high-temperatures register at a still hot 86.2°F, closely mirroring the preceding month. The mean low-temperature during May nights in Rambukkana, Sri Lanka, is an agreeable 71.2°F.

Heat index

The average heat index in May is computed to be a sweltering 100.4°F. Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In May, the average relative humidity in Rambukkana, Sri Lanka, is 80%.

Rainfall

In Rambukkana, in May, during 28.6 rainfall days, 6.42" of precipitation is typically accumulated. Throughout the year, in Rambukkana, Sri Lanka, there are 278.4 rainfall days, and 57.72" of precipitation is accumulated.

Daylight

The average length of the day in May in Rambukkana, Sri Lanka, is 12h and 28min.
On the first day of May, sunrise is at 05:53 and sunset at 18:17. On the last day of the month, sunrise is at 05:50 and sunset at 18:21 +0530.

Sunshine

The average sunshine in May is 10.4h.

UV index

January through September, November and December, 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 risk from unsafe exposure to UV radiation for average individuals.
Note: In May, an average UV index of 6 transforms into the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

How hot does it get in Rambukkana in May?
The high-temperature in Rambukkana, Sri Lanka, during May is 86.2°F and the low-temperature is 71.2°F. In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 100.4°F.
What is the average humidity in May in Rambukkana?
In Rambukkana, the average relative humidity in May is 80%.
How much does it rain in Rambukkana in May?
In Rambukkana, Sri Lanka, in May, it is raining for 28.6 days, with typically 6.42" of accumulated precipitation.
What is the average length of the day in May in Rambukkana?
In May, the average day length is 12h and 28min.
What time are sunrise and sunset in May in Rambukkana?
On the first day of May in Rambukkana, Sri Lanka, sunrise is at 05:53 and sunset at 18:17. On the last day of the month, sunrise is at 05:50 and sunset at 18:21 +0530.
How long on average sun shines in May in Rambukkana?
In Rambukkana, Sri Lanka, the average sunshine duration in May is 10.4h.
What are the months with the highest UV index in Rambukkana?
The months with the highest UV index in Rambukkana, Sri Lanka, are January through September, November and December, with an average maximum UV index of 6.
What is the UV index intensity in May in Rambukkana?
In May, the average daily maximum UV index in Rambukkana, Sri Lanka, is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
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 - Rambukkana, Sri Lanka
Average temperature in May
Rambukkana, Sri Lanka
  • Average high temperature in May: 86.2°F

The warmest month (with the highest average high temperature) is March (88.7°F).
The month with the lowest average high temperature is December (81.5°F).

  • Average low temperature in May: 71.2°F

The months with the highest average low temperature are May and June (71.2°F).
The coldest month (with the lowest average low temperature) is February (64.6°F).

Average pressure in May - Rambukkana, Sri Lanka
Average pressure in May
Rambukkana, Sri Lanka
  • Average pressure in May: 29.77"Hg

The month with the highest atmospheric pressure is January (29.88"Hg).
The months with the lowest atmospheric pressure are May, June and July (29.77"Hg).

Average wind speed in May - Rambukkana, Sri Lanka
Average wind speed in May
Rambukkana, Sri Lanka
  • Average wind speed in May: 5.8mph

The windiest month (with the highest average wind speed) is June (8.4mph).
The calmest month (with the lowest average wind speed) is April (2.9mph).

Average humidity in May - Rambukkana, Sri Lanka
Average humidity in May
Rambukkana, 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 - Rambukkana, Sri Lanka
Average rainfall in May
Rambukkana, Sri Lanka
  • Average rainfall in May: 6.42"

The wettest month (with the highest rainfall) is October (11.85").
The driest month (with the least rainfall) is January (1.5").

Average rainfall days in May - Rambukkana, Sri Lanka
Average rainfall days in May
Rambukkana, 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 - Rambukkana, Sri Lanka
Average daylight in May /
Average sunshine in May
Rambukkana, Sri Lanka
  • Average daylight in May: 12h and 3min

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 - Rambukkana, Sri Lanka
Average sunshine days in May
Rambukkana, 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 - Rambukkana, Sri Lanka
Average UV index in May
Rambukkana, 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 - Rambukkana, Sri Lanka
Average cloud cover in May
Rambukkana, 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 - Rambukkana, Sri Lanka
Average visibility in May
Rambukkana, Sri Lanka
  • Average visibility in May: 6mi

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

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