January weather forecastBengaluru, India

Weather in January

January in Bengaluru, India sees the weather shifting from the mild conditions of winter into the start of the year. It's often sunny and has the highest UV index of 10 among the winter months. The rainfall is minimal, with just 2mm (0.08") over approximately 22 days. The start of the year in the city is characterized by cool evenings and relatively warm days. The shift in weather conditions is gradual and pleasant, making it an enjoyable time for outdoor activities.

Temperature

With January's arrival, Bengaluru's weather records an average high-temperature of a still warm 27.6°C (81.7°F), marking little difference from December's 26.2°C (79.2°F). In January, Bengaluru endures a notable temperature shift from day to night, with lows averaging at a mild 15.3°C (59.5°F).

Heat index

The heat index for January is calculated to be 29°C (84.2°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. 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 critical to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In January, the average relative humidity is 60%.

Rainfall

The month with the least rainfall is January, when the rain falls for 0.2 days and typically collects 2mm (0.08") of precipitation.

Daylight

In January, the average length of the day is 11h and 28min.
On the first day of the month, sunrise is at 6:41 am and sunset at 6:04 pm. On the last day of January, in Bengaluru, sunrise is at 6:45 am and sunset at 6:19 pm IST.

Sunshine

In Bengaluru, the average sunshine in January is 8.5h.

UV index

The months with the lowest UV index in Bengaluru, India, are January, November and December, with an average maximum UV index of 10. A UV Index estimate of 8 to 10 represents a very high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 10 during January translates into these guidelines:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Avoid direct sun exposure for long periods, especially if prone to burns. Always apply a sunscreen with at least a 30 SPF.