July weather forecast
Dunuwila, Sri Lanka

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Weather in July

July, the same as June, is another warm summer month in Dunuwila, Sri Lanka, with an average temperature ranging between max 29.3°C (84.7°F) and min 21.4°C (70.5°F).

Temperature

With July's arrival, Dunuwila notes an average high-temperature of a still warm 29.3°C (84.7°F), maintaining the same temperature as the preceding month. An average low-temperature of 21.4°C (70.5°F) is observed during July nights.

Heat index

The heat index in July is calculated to be a torrid 35°C (95°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In Dunuwila, the average relative humidity in July is 77%.

Rainfall

In Dunuwila, in July, it is raining for 24.3 days, with typically 88mm (3.46") of accumulated precipitation. Throughout the year, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.

Daylight

In Dunuwila, the average length of the day in July is 12h and 30min.
On the first day of the month, sunrise is at 05:55 and sunset at 18:27. On the last day of July, sunrise is at 06:00 and sunset at 18:27 +0530.

Sunshine

In July, the average sunshine in Dunuwila, Sri Lanka, is 10.2h.

UV index

January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index in Dunuwila. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Resources | Updated: Feb 6, 2024 | Published by: Weather Atlas

Frequently asked questions

How hot is July in Dunuwila?

The high-temperature, in July, in Dunuwila, is 29.3°C (84.7°F), while the low-temperature averages to 21.4°C (70.5°F). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is calculated to be 35°C (95°F).

What is the average humidity in July in Dunuwila?

In July, the average relative humidity is 77%.

How many days does it rain in July in Dunuwila?

In Dunuwila, Sri Lanka, during July, the rain falls for 24.3 days and regularly aggregates up to 88mm (3.46") of precipitation.

How many hours of daylight does Dunuwila have in July?

In July, the average day length in Dunuwila is 12h and 30min.

When is the sunrise / sunset in July in Dunuwila?

In July, on the first day of the month, sunrise is at 05:55 and sunset at 18:27. On the last day of the month, sunrise is at 06:00 and sunset at 18:27 +0530.

How long on average sun shines in July in Dunuwila?

The average sunshine duration in July is 10.2h.

When is the highest UV index in Dunuwila?

The months with the highest UV index in Dunuwila are January through September, November and December, with an average maximum UV index of 6.

What is the UV index reading in July in Dunuwila?

In July, the average daily maximum UV index in Dunuwila is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

Average temperature in July
Dunuwila, Sri Lanka

Average temperature in July - Dunuwila, Sri Lanka
  • Average high temperature in July: 29.3°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 July: 21.4°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).

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Average pressure in July
Dunuwila, Sri Lanka

Average pressure in July - Dunuwila, Sri Lanka
  • Average pressure in July: 1008.2mbar

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

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Average wind speed in July
Dunuwila, Sri Lanka

Average wind speed in July - Dunuwila, Sri Lanka
  • Average wind speed in July: 12.6km/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).

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Average humidity in July
Dunuwila, Sri Lanka

Average humidity in July - Dunuwila, Sri Lanka
  • Average humidity in July: 77%

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

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Average rainfall in July
Dunuwila, Sri Lanka

Average rainfall in July - Dunuwila, Sri Lanka
  • Average rainfall in July: 88mm

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

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Average rainfall days in July
Dunuwila, Sri Lanka

Average rainfall days in July - Dunuwila, Sri Lanka
  • Average rainfall days in July: 24.3 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).

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Average daylight in July /
Average sunshine in July
Dunuwila, Sri Lanka

Average daylight in July / Average sunshine in July - Dunuwila, Sri Lanka
  • Average daylight in July: 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 July: 10h and 1min

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).

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Average sunshine days in July
Dunuwila, Sri Lanka

Average sunshine days in July - Dunuwila, Sri Lanka
  • Average sunshine days in July: 2.8 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).

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Average UV index in July
Dunuwila, Sri Lanka

Average UV index in July - Dunuwila, Sri Lanka
  • Average UV index in July: 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).

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Average cloud cover in July
Dunuwila, Sri Lanka

Average cloud cover in July - Dunuwila, Sri Lanka
  • Average cloud cover in July: 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).

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Average visibility in July
Dunuwila, Sri Lanka

Average visibility in July - Dunuwila, Sri Lanka
  • Average visibility in July: 10km

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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Dunuwila, Sri Lanka

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