July weather forecast
Ratnapura, Sri Lanka

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Weather in July

A general pattern of consistency is noticed as the city of Ratnapura moves into July. Temperatures hover around the high 20s in°C adding to the overall scenic setting of this tropical city. Particular attention is drawn to the wind trends, with this month experiencing the highest average wind speeds of 8.8km/h (5.5mph). Remnants of the monsoon are still evident, resulting in a nearly daily occurrence of rain.

Temperature

Ratnapura experiences lowest temperatures, averaging a high-temperature of 27.3°C (81.1°F) during June and July.

Heat index

The heat index value for July is evaluated at a tropical 31°C (87.8°F). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Observations indicate that the heat index values are for shady locations with light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

In July, the average relative humidity is 86%.

Rainfall

In Ratnapura, during July, the rain falls for 28.8 days and regularly aggregates up to 162mm (6.38") of precipitation. Throughout the year, there are 317.3 rainfall days, and 2422mm (95.35") of precipitation is accumulated.

Daylight

In July, the average length of the day in Ratnapura is 12h and 28min.
On the first day of July, sunrise is at 05:57 and sunset at 18:27. On the last day of the month, sunrise is at 06:02 and sunset at 18:27 +0530.

Sunshine

The average sunshine in July in Ratnapura is 7.1h.

UV index

January through August, November and December, with an average maximum UV index of 6, are months with the highest UV index in Ratnapura. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In July, the maximum UV index of 6 suggests this advice:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What is the coldest month in Ratnapura?

Ratnapura sees its lowest temperatures during June and July, with an average high-temperature of 27.3°C (81.1°F).

What are the temperatures in Ratnapura in July?

July temperatures in Ratnapura vary between a high-temperature of 27.3°C (81.1°F) and a low-temperature of 21.3°C (70.3°F). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 31°C (87.8°F).

What is the average humidity in July in Ratnapura?

The average relative humidity in July in Ratnapura is 86%.

How much does it rain in Ratnapura in July?

In Ratnapura, in July, it is raining for 28.8 days, with typically 162mm (6.38") of accumulated precipitation.

How many hours of daylight does Ratnapura have in July?

In Ratnapura, the average day length in July is 12h and 28min.

When are sunrise and sunset in July in Ratnapura?

In July, on the first day of the month, sunrise is at 05:57 and sunset at 18:27. On the last day of the month, sunrise is at 06:02 and sunset at 18:27 +0530.

How long on average sun shines in July in Ratnapura?

In July, the average sunshine duration is 7.1h.

When is the highest UV index in Ratnapura?

January through August, November and December, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in July in Ratnapura?

In Ratnapura, Sri Lanka, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Ratnapura, Sri Lanka

Average temperature in July - Ratnapura, Sri Lanka
  • Average high temperature in July: 27.3°C

The warmest month (with the highest average high temperature) is March (31.1°C).
The months with the lowest average high temperature are June and July (27.3°C).

  • Average low temperature in July: 21.3°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 (18.7°C).

Average pressure in July
Ratnapura, Sri Lanka

Average pressure in July - Ratnapura, Sri Lanka
  • Average pressure in July: 1008.8mbar

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 July
Ratnapura, Sri Lanka

Average wind speed in July - Ratnapura, Sri Lanka
  • Average wind speed in July: 8.8km/h

The windiest month (with the highest average wind speed) is July (8.8km/h).
The calmest months (with the lowest average wind speed) are February and March (3.9km/h).

Average humidity in July
Ratnapura, Sri Lanka

Average humidity in July - Ratnapura, Sri Lanka
  • Average humidity in July: 86%

The months with the highest relative humidity are May and June (88%).
The months with the lowest relative humidity are January and February (80%).

Average rainfall in July
Ratnapura, Sri Lanka

Average rainfall in July - Ratnapura, Sri Lanka
  • Average rainfall in July: 162mm

The wettest month (with the highest rainfall) is October (357mm).
The driest month (with the least rainfall) is January (85mm).

Average rainfall days in July
Ratnapura, Sri Lanka

Average rainfall days in July - Ratnapura, Sri Lanka
  • Average rainfall days in July: 28.8 days

The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is January (18.9 days).

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

Average daylight in July / Average sunshine in July - Ratnapura, 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: 7h and 1min

The month with the most sunshine is April (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in July
Ratnapura, Sri Lanka

Average sunshine days in July - Ratnapura, Sri Lanka
  • Average sunshine days in July: 1 days

The month with the most sunshine days is January (9.2 days).
The month with the least sunshine days is April (0.2 days).

Average UV index in July
Ratnapura, Sri Lanka

Average UV index in July - Ratnapura, Sri Lanka
  • Average UV index in July: 6

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

Average cloud cover in July
Ratnapura, Sri Lanka

Average cloud cover in July - Ratnapura, Sri Lanka
  • Average cloud cover in July: 61

The month with the most cloud cover is June (Cloud cover 65).
The month with the least cloud cover is January (Cloud cover 33).

Average visibility in July
Ratnapura, Sri Lanka

Average visibility in July - Ratnapura, Sri Lanka
  • Average visibility in July: 8km

The months with the highest visibility are January, February, March, June, July, August and December (8km).
The months with the lowest visibility are April, May, September, October and November (7km).

Ratnapura, Sri Lanka

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