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
Callao, Costa Rica, greets January with an average high-temperature of a still moderately hot 27.3°C (81.1°F), marking a slight deviation from the preceding month. In the month of January, Callao experiences an average low-temperature of 16.8°C (62.2°F).Heat index
The heat index value for January is estimated at a tropical 30°C (86°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In January, the average relative humidity in Callao is 75%.Rainfall
In Callao, in January, during 11.3 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Callao, during the entire year, the rain falls for 272 days and collects up to 2217mm (87.28") of precipitation.Daylight
In January, the average length of the day in Callao is 11h and 37min.On the first day of January, sunrise is at 05:54 and sunset at 17:27. On the last day of the month, sunrise is at 06:00 and sunset at 17:42 CST.
Sunshine
In Callao, the average sunshine in January is 8.3h.UV index
January through April, June, July, September, October and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 6 in January, converts into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Callao in January?
What is the average humidity in January in Callao?
How much does it rain in Callao in January?
What is the average length of the day in January in Callao?
When are sunrise and sunset in January in Callao?
How many hours of sunshine does Callao have in January?
What are the months with the highest UV index in Callao?
What is the UV index reading in January in Callao?
Average temperature in January
Callao, Costa Rica
- Average high temperature in January: 27.3°C
The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).
- Average low temperature in January: 16.8°C
The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in January
Callao, Costa Rica
- Average pressure in January: 1012.1mbar
The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).
Average wind speed in January
Callao, Costa Rica
- Average wind speed in January: 10.5km/h
The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).
Average humidity in January
Callao, Costa Rica
- Average humidity in January: 75%
The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).
Average rainfall in January
Callao, Costa Rica
- Average rainfall in January: 21mm
The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in January
Callao, Costa Rica
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).
Average daylight in January /
Average sunshine in January
Callao, Costa Rica
- Average daylight in January: 11h and 4min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in January: 8h and 2min
The month with the most sunshine is March (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).
Average sunshine days in January
Callao, Costa Rica
- Average sunshine days in January: 16.7 days
The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).
Average UV index in January
Callao, Costa Rica
- Average UV index in January: 6
The months with the highest UV index are January, February, March, April, June, July, September, October and December (UV index 6).
The months with the lowest UV index are May, August and November (UV index 5).
Average cloud cover in January
Callao, Costa Rica
- Average cloud cover in January: 23
The month with the most cloud cover is October (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 19).
Average visibility in January
Callao, Costa Rica
- Average visibility in January: 9km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (7km).
