October weather forecast
Seletar, Singapore

October brings about a gradual change, with temperatures declining slightly while the city receives significant rain throughout the month. Despite being one of the rainiest months, the hours of sunshine remain consistent, balancing the wet and dry periods. The cloud cover increases slightly, offering a soothing shield from the intense sunlight. Visiting Seletar in October does demand a cautious approach for tourists due to the persistent UV index of 7. However, slightly lower winds and adequate visibility make the weather bearable and comfortable for sightseeing.

Temperature

The initiation of October sees an average high-temperature of a still hot 31.8°C (89.2°F), showing minor variations from the previous month. Seletar experiences a nighttime temperature average of 25.6°C (78.1°F) during October.

Heat index

During October, the heat index is evaluated at a blisteringly hot 41°C (105.8°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in October is 74%.

Rainfall

In Seletar, Singapore, in October, during 21.5 rainfall days, 69mm (2.72") of precipitation is typically accumulated. In Seletar, during the entire year, the rain falls for 250.9 days and collects up to 733mm (28.86") of precipitation.

Daylight

The average length of the day in October is 12h and 5min.
On the first day of the month, sunrise is at 06:51 and sunset at 18:57. On the last day of October, in Seletar, Singapore, sunrise is at 06:46 and sunset at 18:50 +08.

Sunshine

The average sunshine in October in Seletar is 8.6h.

UV index

The months with the highest UV index are January through November, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 7 in October translates into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.