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
January
Weather in January
Temperature
The arrival of January brings an average high-temperature of a still moderately hot 27°C (80.6°F), nearly identical to December's 27.6°C (81.7°F). Night temperatures during January in Castara stabilize at an average of 25.9°C (78.6°F), closely mirroring the daytime temperatures.Heat index
For most parts of January, the heat index is evaluated at 29°C (84.2°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In Castara, the average relative humidity in January is 77%.Rainfall
In January, in Castara, the rain falls for 23.9 days. Throughout January, 67mm (2.64") of precipitation is accumulated. Throughout the year, there are 282.6 rainfall days, and 1136mm (44.72") of precipitation is accumulated.Daylight
The average length of the day in January is 11h and 33min.On the first day of the month, sunrise is at 06:21 and sunset at 17:50. On the last day of January, in Castara, sunrise is at 06:26 and sunset at 18:05 AST.
Sunshine
The average sunshine in January in Castara, Trinidad and Tobago, is 7.4h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Castara, Trinidad and Tobago, are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 7 in January leads to these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Castara in January?
What is the average humidity in January in Castara?
How many days does it rain in January in Castara?
What is the average length of the day in January in Castara?
What time are sunrise and sunset in January in Castara?
How long on average sun shines in January in Castara?
When is the highest UV index in Castara?
What is the month with the lowest UV index in Castara?
How high is the UV index in January in Castara?
Average temperature in January
Castara, Trinidad and Tobago
- Average high temperature in January: 27°C
The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.7°C).
- Average low temperature in January: 25.9°C
The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).
Average pressure in January
Castara, Trinidad and Tobago
- Average pressure in January: 1013.6mbar
The month with the highest atmospheric pressure is June (1013.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in January
Castara, Trinidad and Tobago
- Average wind speed in January: 27.5km/h
The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (20.3km/h).
Average humidity in January
Castara, Trinidad and Tobago
- Average humidity in January: 77%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is September (76%).
Average rainfall in January
Castara, Trinidad and Tobago
- Average rainfall in January: 67mm
The wettest month (with the highest rainfall) is October (150mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in January
Castara, Trinidad and Tobago
- Average rainfall days in January: 23.9 days
The month with the highest number of rainy days is July (27.5 days).
The month with the least rainy days is April (18.7 days).
Average daylight in January /
Average sunshine in January
Castara, Trinidad and Tobago
- Average daylight in January: 11h and 4min
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: 7h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in January
Castara, Trinidad and Tobago
- Average sunshine days in January: 4.2 days
The months with the most sunshine days are February and April (5.2 days).
The month with the least sunshine days is June (2 days).
Average UV index in January
Castara, Trinidad and Tobago
- Average UV index in January: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in January
Castara, Trinidad and Tobago
- Average cloud cover in January: 40
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in January
Castara, Trinidad and Tobago
- 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).
