October weather forecast
Matara, Sri Lanka

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Weather in October

October ushers in a slight resurgence in high temperatures to 29.6°C (85.3°F), from 29.1°C (84.4°F) in September. The city experiences more frequent showers, bringing about a refreshing change from the preceding drier months. Although the sea temperature remains slightly warmer, it does not deter water activities, courtesy of the calming sea breezes. With slightly more than half the month covered in clouds, this period offers the chance to witness some breathtaking sunsets. October signifies a balance between the lingering warmth of summer and the beginning of cooler days.

Temperature

September's transformation into October witnesses an average high-temperature of a still moderately hot 29.6°C (85.3°F) in Matara, noting a minor change from the preceding month. October in Matara witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 25.3°C (77.5°F).

Heat index

October's mean heat index is estimated at a torrid 36°C (96.8°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly meaningful for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In October, the average relative humidity is 80%.

Rainfall

In October, in Matara, the rain falls for 17.5 days. Throughout October, 63mm (2.48") of precipitation is accumulated. Throughout the year, in Matara, there are 180 rainfall days, and 509mm (20.04") of precipitation is accumulated.

Sea temperature

In Matara, the average seawater temperature in October is 28.7°C (83.7°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in October in Matara is 11h and 59min.
On the first day of the month, sunrise is at 05:55 and sunset at 17:59. On the last day of October, sunrise is at 05:53 and sunset at 17:48 +0530.

Sunshine

In October, the average sunshine in Matara is 8.1h.

UV index

The months with the highest UV index in Matara are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Matara, Sri Lanka, are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In October, a regular UV index of 7 translates into these guidelines:
Fend off overexposure. Sun protection is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be wary! Reflections from sand and water make UV radiation more intense.

Frequently asked questions

How hot is it in Matara in October?

In Matara, in October, the average high-temperature is 29.6°C (85.3°F), and the average low-temperature is 25.3°C (77.5°F). In October, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 36°C (96.8°F).

What is the average humidity in October in Matara?

In Matara, Sri Lanka, the average relative humidity in October is 80%.

How many days does it rain in October in Matara?

In October, in Matara, Sri Lanka, the rain falls for 17.5 days. Throughout October, 63mm (2.48") of precipitation is accumulated.

How warm is the water in October in Matara?

In Matara, Sri Lanka, the average seawater temperature in October is 28.7°C (83.7°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Matara have in October?

In Matara, the average day length in October is 11h and 59min.

When is the sunrise / sunset in October in Matara?

On the first day of October in Matara, Sri Lanka, sunrise is at 05:55 and sunset at 17:59. On the last day of the month, sunrise is at 05:53 and sunset at 17:48 +0530.

How long on average sun shines in October in Matara?

In Matara, Sri Lanka, the average sunshine duration in October is 8.1h.

When is the highest UV index in Matara?

The months with the highest UV index in Matara are January through December, with an average maximum UV index of 7.

What is the month with the lowest UV index in Matara?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Matara, Sri Lanka.

How high is the UV index in October in Matara?

In October, the average daily maximum UV index in Matara is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.

Average temperature in October
Matara, Sri Lanka

Average temperature in October - Matara, Sri Lanka
  • Average high temperature in October: 29.6°C

The warmest months (with the highest average high temperature) are March and April (31.1°C).
The month with the lowest average high temperature is September (29.1°C).

  • Average low temperature in October: 25.3°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°C).

Average pressure in October
Matara, Sri Lanka

Average pressure in October - Matara, Sri Lanka
  • Average pressure in October: 1010.1mbar

The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).

Average wind speed in October
Matara, Sri Lanka

Average wind speed in October - Matara, Sri Lanka
  • Average wind speed in October: 12.6km/h

The windiest month (with the highest average wind speed) is July (18.9km/h).
The calmest month (with the lowest average wind speed) is January (9km/h).

Average humidity in October
Matara, Sri Lanka

Average humidity in October - Matara, Sri Lanka
  • Average humidity in October: 80%

The months with the highest relative humidity are May, September and November (81%).
The months with the lowest relative humidity are January and February (77%).

Average rainfall in October
Matara, Sri Lanka

Average rainfall in October - Matara, Sri Lanka
  • Average rainfall in October: 63mm

The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is January (22mm).

Average rainfall days in October
Matara, Sri Lanka

Average rainfall days in October - Matara, Sri Lanka
  • Average rainfall days in October: 17.5 days

The month with the highest number of rainy days is November (19.8 days).
The month with the least rainy days is June (10.7 days).

Average sea temperature in October
Matara, Sri Lanka

Average sea temperature in October - Matara, Sri Lanka
  • Average sea temperature in October: 28.7°C

The best month for swimming (with the highest average sea temperature) is April (29.6°C).
The coldest month (with the lowest average sea temperature) is January (27.7°C).

Average daylight in October /
Average sunshine in October
Matara, Sri Lanka

Average daylight in October / Average sunshine in October - Matara, Sri Lanka
  • Average daylight in October: 12h and 0min

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 48min).

  • Average sunshine in October: 8h and 1min

The month with the most sunshine is April (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days in October
Matara, Sri Lanka

Average sunshine days in October - Matara, Sri Lanka
  • Average sunshine days in October: 11.5 days

The month with the most sunshine days is July (17.8 days).
The month with the least sunshine days is November (7.8 days).

Average UV index in October
Matara, Sri Lanka

Average UV index in October - Matara, Sri Lanka
  • Average UV index in October: 7

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

Average cloud cover in October
Matara, Sri Lanka

Average cloud cover in October - Matara, Sri Lanka
  • Average cloud cover in October: 45

The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is February (Cloud cover 26).

Average visibility in October
Matara, Sri Lanka

Average visibility in October - Matara, Sri Lanka
  • Average visibility in October: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Matara, Sri Lanka

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