June weather forecast
Rajagiriya, Sri Lanka

June

Weather in June

June, the first month of the summer in Rajagiriya, is also a moderately hot month, with an average temperature fluctuating between 84.7°F and 78.4°F.

Temperature

With the start of June, Rajagiriya measures an average high-temperature of a moderately hot 84.7°F, not significantly differing from May's 87.1°F. In Rajagiriya, June nights maintain a consistent temperature, with an average low of 78.4°F.

Heat index

The heat index value for June is estimated at a sweltering 96.8°F. Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

The months with the highest humidity are June through August, with an average relative humidity of 83%.

Rainfall

The month with the most rainfall is June, when the rain falls for 29.3 days and typically aggregates up to 13.43" of precipitation.

Daylight

June has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:53 and sunset at 18:23. On the last day of June, in Rajagiriya, sunrise is at 05:58 and sunset at 18:29 +0530.

Sunshine

In June, the average sunshine in Rajagiriya, Sri Lanka, is 8h.

UV index

The months with the lowest UV index in Rajagiriya are May, June, August and October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In June, a daily maximum UV index of 6 leads to the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

How hot is June in Rajagiriya?
The high-temperature, in June, in Rajagiriya, records 84.7°F, while the low-temperature is 78.4°F. The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in June is estimated at 96.8°F.
What is the most humid month in Rajagiriya?
June through August, with an average relative humidity of 83%, are most humid months in Rajagiriya.
What is the average humidity in June in Rajagiriya?
In June, the average relative humidity is 83%.
What is the rainiest month in Rajagiriya?
The month with the most rainfall in Rajagiriya, Sri Lanka, is June, when the rain falls for 29.3 days and typically aggregates up to 13.43" of precipitation.
How much does it rain in Rajagiriya in June?
In Rajagiriya, Sri Lanka, during June, the rain falls for 29.3 days and regularly aggregates up to 13.43" of precipitation.
When are the longest days in Rajagiriya?
June has the longest days of the year in Rajagiriya, with an average of 12h and 30min of daylight.
What is the average length of the day in June in Rajagiriya?
In Rajagiriya, Sri Lanka, the average day length in June is 12h and 31min.
When are sunrise and sunset in June in Rajagiriya?
On the first day of June in Rajagiriya, Sri Lanka, sunrise is at 05:53 and sunset at 18:23. On the last day of the month, sunrise is at 05:58 and sunset at 18:29 +0530.
How many hours of sunshine does Rajagiriya have in June?
In Rajagiriya, Sri Lanka, the average sunshine duration in June is 8h.
What are the months with the lowest UV index in Rajagiriya?
May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index in Rajagiriya.
What is the UV index intensity in June in Rajagiriya?
In June, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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 June - Rajagiriya, Sri Lanka
Average temperature in June
Rajagiriya, Sri Lanka
  • Average high temperature in June: 84.7°F

The warmest months (with the highest average high temperature) are March and April (89.2°F).
The months with the lowest average high temperature are July and August (84°F).

  • Average low temperature in June: 78.4°F

The month with the highest average low temperature is May (79.3°F).
The coldest month (with the lowest average low temperature) is January (73.6°F).

Average pressure in June - Rajagiriya, Sri Lanka
Average pressure in June
Rajagiriya, Sri Lanka
  • Average pressure in June: 29.79"Hg

The month with the highest atmospheric pressure is January (29.87"Hg).
The month with the lowest atmospheric pressure is May (29.78"Hg).

Average wind speed in June - Rajagiriya, Sri Lanka
Average wind speed in June
Rajagiriya, Sri Lanka
  • Average wind speed in June: 9.4mph

The windiest month (with the highest average wind speed) is June (9.4mph).
The calmest month (with the lowest average wind speed) is March (5mph).

Average humidity in June - Rajagiriya, Sri Lanka
Average humidity in June
Rajagiriya, Sri Lanka
  • Average humidity in June: 83%

The months with the highest relative humidity are June, July and August (83%).
The months with the lowest relative humidity are January and February (74%).

Average rainfall in June - Rajagiriya, Sri Lanka
Average rainfall in June
Rajagiriya, Sri Lanka
  • Average rainfall in June: 13.43"

The wettest month (with the highest rainfall) is June (13.43").
The driest month (with the least rainfall) is January (1.57").

Average rainfall days in June - Rajagiriya, Sri Lanka
Average rainfall days in June
Rajagiriya, Sri Lanka
  • Average rainfall days in June: 29.3 days

The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (11.6 days).

Average daylight in June / Average sunshine in June - Rajagiriya, Sri Lanka
Average daylight in June /
Average sunshine in June
Rajagiriya, Sri Lanka
  • Average daylight in June: 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 June: 8h and 0min

The month with the most sunshine is January (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).

Average sunshine days in June - Rajagiriya, Sri Lanka
Average sunshine days in June
Rajagiriya, Sri Lanka
  • Average sunshine days in June: 0.3 days

The month with the most sunshine days is January (17.2 days).
The months with the least sunshine days are June and August (0.3 days).

Average UV index in June - Rajagiriya, Sri Lanka
Average UV index in June
Rajagiriya, Sri Lanka
  • Average UV index in June: 6

The months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
The months with the lowest UV index are May, June, August and October (UV index 6).

Average cloud cover in June - Rajagiriya, Sri Lanka
Average cloud cover in June
Rajagiriya, Sri Lanka
  • Average cloud cover in June: 57

The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 24).

Average visibility in June - Rajagiriya, Sri Lanka
Average visibility in June
Rajagiriya, Sri Lanka
  • Average visibility in June: 6mi

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

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