June weather forecastRagama, Sri Lanka
June
Weather in June
The first month of the summer, June, is still a warm month in Ragama, Sri Lanka, with an average temperature fluctuating between 25.8°C (78.4°F) and 29.3°C (84.7°F).Temperature
With the advent of June, Ragama experiences an average high-temperature of a warm 29.3°C (84.7°F), mirroring a close resemblance to the previous month. Ragama's June nights exhibit a subtle drop in temperature, averaging at a still moderately hot 25.8°C (78.4°F), closely aligned with the daytime highs.Heat index
June's heat index is calculated to be a sweltering 36°C (96.8°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. 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
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
The month with the longest days is June, 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, sunrise is at 05:58 and sunset at 18:29 +0530.
Sunshine
The average sunshine in June in Ragama is 8h.UV index
May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index. 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: In June, a regular UV index of 6 translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Ragama, 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
Ragama, 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
Ragama, 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
Ragama, 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
Ragama, 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
Ragama, 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
Ragama, 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
Ragama, 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
Ragama, 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
Ragama, 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
Ragama, 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).





