October weather forecastChilaw, Sri Lanka
October weather for Chilaw, Sri Lanka: October, like September, in Chilaw, Sri Lanka, is a moderately hot autumn month, with an average temperature varying between 29.9°C (85.8°F) and 25.1°C (77.2°F). On the last day of October, in Chilaw, sunrise is at 05:58 and sunset at 17:50 +0530.
October
Weather in October
October, like September, in Chilaw, Sri Lanka, is a moderately hot autumn month, with an average temperature varying between 29.9°C (85.8°F) and 25.1°C (77.2°F).Temperature
October is marked by an average high-temperature of a still warm 29.9°C (85.8°F), almost identical to the preceding month. Chilaw marks an average drop to a still warm 25.1°C (77.2°F) during nighttime in October, following the high of the day.Heat index
Throughout October, the heat index is appraised at a very hot 37°C (98.6°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The average relative humidity in October in Chilaw, Sri Lanka, is 79%.Rainfall
In Chilaw, in October, it is raining for 25.9 days, with typically 224mm (8.82") of accumulated precipitation. In Chilaw, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.Sea temperature
In Chilaw, the average seawater temperature in October is 28.5°C (83.3°F).Note: Water activities in surface temperatures between 25°C (77°F) and 29°C (84.2°F) are seen as exceptional and extremely agreeable for lengthened time spans.
Daylight
In October, the average length of the day in Chilaw, Sri Lanka, is 11h and 58min.On the first day of the month, sunrise is at 05:58 and sunset at 18:01. On the last day of October, in Chilaw, sunrise is at 05:58 and sunset at 17:50 +0530.
Sunshine
In October, the average sunshine is 7.8h.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 unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 6 in October leads to these recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! Reflecting off water and sand, UV rays are much stronger.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Chilaw, Sri Lanka
- Average high temperature in October: 29.9°C
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).
- Average low temperature in October: 25.1°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).
Average pressure in October
Chilaw, Sri Lanka
- Average pressure in October: 1009.9mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The months with the lowest atmospheric pressure are May and June (1008.4mbar).
Average wind speed in October
Chilaw, Sri Lanka
- Average wind speed in October: 11.8km/h
The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity in October
Chilaw, Sri Lanka
- Average humidity in October: 79%
The months with the highest relative humidity are June, July and August (82%).
The months with the lowest relative humidity are January and February (73%).
Average rainfall in October
Chilaw, Sri Lanka
- Average rainfall in October: 224mm
The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days in October
Chilaw, Sri Lanka
- Average rainfall days in October: 25.9 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).
Average sea temperature in October
Chilaw, Sri Lanka
- Average sea temperature in October: 28.5°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 August (27°C).
Average daylight in October /
Average sunshine in October
Chilaw, Sri Lanka
- Average daylight in October: 12h and 0min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in October: 7h and 48min
The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in October
Chilaw, Sri Lanka
- Average sunshine days in October: 3.3 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).
Average UV index in October
Chilaw, Sri Lanka
- Average UV index in October: 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 October
Chilaw, Sri Lanka
- Average cloud cover in October: 48
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 21).
Average visibility in October
Chilaw, Sri Lanka
- Average visibility in October: 9km
The months with the highest visibility are January, February, March, April, June, July, September and December (10km).
The months with the lowest visibility are May, August, October and November (9km).
