January weather forecastPatna, India
January
Weather in January
The start of the calendar year in Patna blesses residents and visitors with a cool, comfortable climate. Daylight spans roughly half the day, making outdoor adventures quite enjoyable. Nights become surprisingly fresh, dropping to a cool 9.3°C (48.7°F) — a marked difference when compared to the daytime temperatures. A low level of precipitation makes January an ideal month for those adverse to heavy rain. Transitioning to February, expect slightly warmer daytime temperatures and a modest increase in rainfall.Temperature
In Patna, the lowest average temperatures are observed in January, with a high of 23°C (73.4°F) and a low of 9.3°C (48.7°F).Rainfall
In January, the rain falls for 1.3 days. Throughout January, 12mm (0.47") of precipitation is accumulated. In Patna, during the entire year, the rain falls for 55.9 days and collects up to 1213mm (47.76") of precipitation.Daylight
The average length of the day in January is 10h and 45min.On the first day of January, sunrise is at 6:35 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 5:32 pm IST.
Sunshine
In January, the average sunshine is 7h.UV index
The average daily maximum UV index in January in Patna is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 6 in January, converts into the following recommendations:
Deflect overexposure. Sun protection is a necessity. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Patna, India
- Average high temperature in January: 23°C
The warmest month (with the highest average high temperature) is May (38.4°C).
The month with the lowest average high temperature is January (23°C).
- Average low temperature in January: 9.3°C
The month with the highest average low temperature is June (26.7°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).
Average rainfall in January
Patna, India
- Average rainfall in January: 12.2mm
The wettest month (with the highest rainfall) is July (381mm).
The driest month (with the least rainfall) is December (7mm).
Average rainfall days in January
Patna, India
- Average rainfall days in January: 1.3 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is November (0.6 days).
Average daylight in January /
Average sunshine in January
Patna, India
- Average daylight in January: 10h and 42min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in January: 7h
The month with the most sunshine is April (Average sunshine: 9h).
The month with the least sunshine is July (Average sunshine: 3h).
Average UV index in January
Patna, India
- Average UV index in January: 6
The months with the highest UV index are May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 5).





