Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
With the arrival of January, Calcutta's average high-temperature registers at a still moderately hot 28.8°C (83.8°F), indicating a subtle variation from the previous month. Calcutta marks an average drop to a still moderately hot 23.8°C (74.8°F) during nighttime in January, following the high of the day.Heat index
January's mean heat index is appraised at a tropical 34°C (93.2°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Note that heat index values are valued for light wind and location in the shade. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In January, the average relative humidity is 81%.Rainfall
In Calcutta, during January, the rain falls for 25.5 days and regularly aggregates up to 77mm (3.03") of precipitation. In Calcutta, during the entire year, the rain falls for 268.5 days and collects up to 1061mm (41.77") of precipitation.Daylight
In January, the average length of the day is 11h and 50min.On the first day of the month, sunrise is at 06:52 and sunset at 18:39. On the last day of January, sunrise is at 06:59 and sunset at 18:52 -03.
Sunshine
In Calcutta, the average sunshine in January is 7.7h.UV index
The months with the lowest UV index are January, April, May and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: During January, 6 as the daily maximum UV index converts into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
How hot is January in Calcutta?
What is the average humidity in January in Calcutta?
How many days does it rain in January in Calcutta?
How many hours of daylight does Calcutta have in January?
What time are sunrise and sunset in January in Calcutta?
How many hours of sunshine does Calcutta have in January?
When is the lowest UV index in Calcutta?
What is the UV index intensity in January in Calcutta?
Average temperature in January
Calcutta, Suriname
- Average high temperature in January: 28.8°C
The warmest month (with the highest average high temperature) is October (31.9°C).
The month with the lowest average high temperature is February (28.5°C).
- Average low temperature in January: 23.8°C
The months with the highest average low temperature are October and November (24.8°C).
The coldest month (with the lowest average low temperature) is January (23.8°C).
Average pressure in January
Calcutta, Suriname
- Average pressure in January: 1012mbar
The months with the highest atmospheric pressure are June and July (1012.8mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in January
Calcutta, Suriname
- Average wind speed in January: 14.1km/h
The windiest month (with the highest average wind speed) is February (14.9km/h).
The calmest month (with the lowest average wind speed) is July (10.4km/h).
Average humidity in January
Calcutta, Suriname
- Average humidity in January: 81%
The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (77%).
Average rainfall in January
Calcutta, Suriname
- Average rainfall in January: 77mm
The wettest month (with the highest rainfall) is May (156mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in January
Calcutta, Suriname
- Average rainfall days in January: 25.5 days
The month with the highest number of rainy days is May (28.1 days).
The month with the least rainy days is September (13.5 days).
Average daylight in January /
Average sunshine in January
Calcutta, Suriname
- Average daylight in January: 11h and 5min
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 48min).
- Average sunshine in January: 7h and 4min
The month with the most sunshine is September (Average sunshine: 9h and 36min).
The months with the least sunshine are February and April (Average sunshine: 6h and 42min).
Average sunshine days in January
Calcutta, Suriname
- Average sunshine days in January: 2 days
The month with the most sunshine days is September (14 days).
The months with the least sunshine days are February and May (1 days).
Average UV index in January
Calcutta, Suriname
- Average UV index in January: 6
The months with the highest UV index are February, March, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, April, May and December (UV index 6).
Average cloud cover in January
Calcutta, Suriname
- Average cloud cover in January: 44
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 21).
Average visibility in January
Calcutta, Suriname
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Calcutta, Suriname
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