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 sea temperature 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 an average high-temperature of 27.9°C (82.2°F) and an average low-temperature of 26.3°C (79.3°F), January is the coldest month.Heat index
Throughout January, the heat index is calculated to be a hot 31°C (87.8°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 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 Port Blair, the average relative humidity in January is 74%.Rainfall
In January, the rain falls for 11.3 days. Throughout January, 47mm (1.85") of precipitation is accumulated. Throughout the year, in Port Blair, there are 240.3 rainfall days, and 1806mm (71.1") of precipitation is accumulated.Sea temperature
The month with the coldest seawater in Port Blair is January, with an average sea temperature of 27.8°C (82°F).Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as ideal and highly pleasant for extended enjoyment in all water activities.
Daylight
The average length of the day in January is 11h and 32min.On the first day of the month, sunrise is at 5:38 am and sunset at 5:06 pm. On the last day of January, in Port Blair, sunrise is at 5:43 am and sunset at 5:21 pm IST.
Sunshine
In Port Blair, the average sunshine in January is 9.2h.UV index
January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Port Blair. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 7 during January leads to these instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heads up! UV intensity is amplified by reflections from water and sand.
Frequently asked questions
What are the coldest months in Port Blair?
What is the average January temperature in Port Blair?
What is the average humidity in January in Port Blair?
How many days does it rain in January in Port Blair?
When is the sea coldest in Port Blair?
What is the sea water temperature in January in Port Blair?
How many hours of daylight does Port Blair have in January?
What time are sunrise and sunset in January in Port Blair?
How many hours of sunshine does Port Blair have in January?
When is the highest UV index in Port Blair?
How high is the UV index in January in Port Blair?
Average temperature in January
Port Blair, India
- Average high temperature in January: 27.9°C
The warmest months (with the highest average high temperature) are April and May (30.1°C).
The month with the lowest average high temperature is January (27.9°C).
- Average low temperature in January: 26.3°C
The month with the highest average low temperature is May (28.8°C).
The coldest months (with the lowest average low temperature) are January and February (26.3°C).
Average pressure in January
Port Blair, India
- Average pressure in January: 1011.8mbar
The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1006.9mbar).
Average wind speed in January
Port Blair, India
- Average wind speed in January: 19km/h
The windiest month (with the highest average wind speed) is June (28.5km/h).
The calmest month (with the lowest average wind speed) is April (9.6km/h).
Average humidity in January
Port Blair, India
- Average humidity in January: 74%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is March (70%).
Average rainfall in January
Port Blair, India
- Average rainfall in January: 47mm
The wettest month (with the highest rainfall) is September (266mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in January
Port Blair, India
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is July (29.6 days).
The month with the least rainy days is February (3.8 days).
Average sea temperature in January
Port Blair, India
- Average sea temperature in January: 27.8°C
The best months for swimming (with the highest average sea temperature) are April and May (30.3°C).
The coldest month (with the lowest average sea temperature) is January (27.8°C).
Average daylight in January /
Average sunshine in January
Port Blair, India
- Average daylight in January: 11h and 3min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in January: 9h and 1min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The months with the least sunshine are June and September (Average sunshine: 6h and 54min).
Average sunshine days in January
Port Blair, India
- Average sunshine days in January: 18 days
The month with the most sunshine days is February (23.2 days).
The month with the least sunshine days is September (0.6 days).
Average UV index in January
Port Blair, India
- Average UV index in January: 7
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are June, July, August and September (UV index 6).
Average cloud cover in January
Port Blair, India
- Average cloud cover in January: 24
The months with the most cloud cover are June and September (Cloud cover 53).
The month with the least cloud cover is February (Cloud cover 12).
Average visibility in January
Port Blair, India
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, October, November and December (10km).
The months with the lowest visibility are May, June, July, August and September (9km).
Port Blair, India
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