October weather forecast
Udahamulla, Sri Lanka

October

Weather in October

October is a tropical autumn month in Udahamulla, Sri Lanka, with an average temperature fluctuating between 25°C (77°F) and 30°C (86°F).

Temperature

The unfolding of October shows an average high-temperature of a tropical 30°C (86°F), indicating a slight variance from September's 29.1°C (84.4°F). A slight dip in temperature to a moderately hot 25°C (77°F) marks the average nights during October.

Heat index

For most parts of October, the heat index is estimated at a sweltering 38°C (100.4°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In Udahamulla, the average relative humidity in October is 80%.

Rainfall

In Udahamulla, during October, the rain falls for 27 days and regularly aggregates up to 237mm (9.33") of precipitation. Throughout the year, there are 289.4 rainfall days, and 2262mm (89.06") of precipitation is accumulated.

Daylight

In Udahamulla, the average length of the day in October 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, sunrise is at 05:57 and sunset at 17:50 +0530.

Sunshine

The average sunshine in October is 7.7h.

UV index

The months with the lowest UV index are May, June, August and October, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in October transforms into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

Is it hot during October?
In Udahamulla, in October, the average high-temperature is 30°C (86°F), and the average low-temperature is 25°C (77°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in October is estimated at 38°C (100.4°F).
What is the average humidity in October?
The average relative humidity in October is 80%.
How many days does it rain in October?
In Udahamulla, in October, during 27 rainfall days, 237mm (9.33") of precipitation is typically accumulated.
How many hours of daylight does Udahamulla have in October?
In October, the average day length is 11h and 58min.
When is the sunrise / sunset in October?
On the first day of October, sunrise is at 05:58 and sunset at 18:01. On the last day of the month, sunrise is at 05:57 and sunset at 17:50 +0530.
How long on average sun shines in October?
The average sunshine duration in October is 7.7h.
What is the month with the lowest UV index?
May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index.
What is the UV index intensity in October?
In Udahamulla, the average daily maximum UV index in October is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in October
Udahamulla, Sri Lanka
  • Average high temperature in October: 30°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 October: 25°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 October
Udahamulla, Sri Lanka
  • Average pressure in October: 1009.9mbar

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 October
Udahamulla, Sri Lanka
  • Average wind speed in October: 10.2km/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 October
Udahamulla, Sri Lanka
  • Average humidity in October: 80%

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 October
Udahamulla, Sri Lanka
  • Average rainfall in October: 237mm

The wettest month (with the highest rainfall) is June (341mm).
The driest month (with the least rainfall) is January (40mm).

Average rainfall days in October
Udahamulla, Sri Lanka
  • Average rainfall days in October: 27 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 October /
Average sunshine in October
Udahamulla, 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 42min).

  • Average sunshine in October: 7h and 4min

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 October
Udahamulla, Sri Lanka
  • Average sunshine days in October: 1.7 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 October
Udahamulla, 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
Udahamulla, Sri Lanka
  • Average cloud cover in October: 49

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 October
Udahamulla, Sri Lanka
  • Average visibility in October: 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).

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