June weather forecastKelanimulla, Sri Lanka
June
Weather in June
The first month of the summer, June, is still a warm month in Kelanimulla, Sri Lanka, with an average temperature ranging between min 25.8°C (78.4°F) and max 29.3°C (84.7°F).Temperature
The transition into June reveals an average high-temperature of a moderately hot 29.3°C (84.7°F), mirroring a close resemblance to May. A modest decline from daytime high temperatures is noticed in June, marking the average low at 25.8°C (78.4°F).Heat index
June's heat index is appraised at a torrid 36°C (96.8°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
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 341mm (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 June, 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.
Sunshine
In Kelanimulla, the average sunshine in June is 8h.UV index
The months with the lowest UV index 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 ordinary individuals.Note: In June, the UV index of 6 transforms into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Kelanimulla, Sri Lanka
- Average high temperature in June: 29.3°C
The warmest months (with the highest average high temperature) are March and April (31.8°C).
The months with the lowest average high temperature are July and August (28.9°C).
- Average low temperature in June: 25.8°C
The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23.1°C).
Average pressure in June
Kelanimulla, Sri Lanka
- Average pressure in June: 1008.7mbar
The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).
Average wind speed in June
Kelanimulla, Sri Lanka
- Average wind speed in June: 15.1km/h
The windiest month (with the highest average wind speed) is June (15.1km/h).
The calmest month (with the lowest average wind speed) is March (8km/h).
Average humidity in June
Kelanimulla, 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
Kelanimulla, Sri Lanka
- Average rainfall in June: 341mm
The wettest month (with the highest rainfall) is June (341mm).
The driest month (with the least rainfall) is January (40mm).
Average rainfall days in June
Kelanimulla, 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
Kelanimulla, Sri Lanka
- Average daylight in June: 12h and 30min
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
Kelanimulla, 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
Kelanimulla, 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
Kelanimulla, 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
Kelanimulla, Sri Lanka
- Average visibility in June: 9km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).





