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
As Santa Isabel do Rio Negro welcomes January, the average high-temperature stabilizes at a still hot 31.5°C (88.7°F), showing little deviation from December's 31.9°C (89.4°F). During January, Santa Isabel do Rio Negro observes a consistent average nighttime temperature of 22.7°C (72.9°F).Heat index
The heat index in January is estimated at a scorching 43°C (109.4°F). Keep on guard: Heat exhaustion and heat cramps are probable. Heatstroke is a possible danger with ongoing physical activity.Heat index specifics point out values are for conditions of shade and a slight breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In Santa Isabel do Rio Negro, the average relative humidity in January is 82%.Rainfall
In January, the rain falls for 25.8 days. Throughout January, 146mm (5.75") of precipitation is accumulated. In Santa Isabel do Rio Negro, during the entire year, the rain falls for 308 days and collects up to 1836mm (72.28") of precipitation.Daylight
In January, the average length of the day is 12h and 8min.On the first day of the month, sunrise is at 06:19 and sunset at 18:27. On the last day of January, sunrise is at 06:29 and sunset at 18:37 -04.
Sunshine
In Santa Isabel do Rio Negro, the average sunshine in January is 7.1h.UV index
The months with the lowest UV index are January through June, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 6 in January interprets into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in January?
What is the average humidity in January?
How many days does it rain in January?
What is the average length of the day in January in Santa Isabel do Rio Negro?
When is the sunrise / sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Santa Isabel do Rio Negro, Brazil
- Average high temperature in January: 31.5°C
The warmest month (with the highest average high temperature) is September (33.5°C).
The month with the lowest average high temperature is May (29.7°C).
- Average low temperature in January: 22.7°C
The month with the highest average low temperature is October (23.3°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).
Average pressure in January
Santa Isabel do Rio Negro, Brazil
- Average pressure in January: 1009.9mbar
The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is November (1008.4mbar).
Average wind speed in January
Santa Isabel do Rio Negro, Brazil
- Average wind speed in January: 4.1km/h
The windiest month (with the highest average wind speed) is February (4.3km/h).
The calmest months (with the lowest average wind speed) are May and June (3.5km/h).
Average humidity in January
Santa Isabel do Rio Negro, Brazil
- Average humidity in January: 82%
The month with the highest relative humidity is May (91%).
The month with the lowest relative humidity is September (76%).
Average rainfall in January
Santa Isabel do Rio Negro, Brazil
- Average rainfall in January: 146mm
The wettest month (with the highest rainfall) is May (242mm).
The driest month (with the least rainfall) is September (75mm).
Average rainfall days in January
Santa Isabel do Rio Negro, Brazil
- Average rainfall days in January: 25.8 days
The month with the highest number of rainy days is May (29.5 days).
The month with the least rainy days is September (21.9 days).
Average daylight in January /
Average sunshine in January
Santa Isabel do Rio Negro, Brazil
- Average daylight in January: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 6min).
The month with the shortest days is June (Average daylight: 12h and 6min).
- Average sunshine in January: 7h and 1min
The month with the most sunshine is September (Average sunshine: 8h and 24min).
The month with the least sunshine is May (Average sunshine: 5h and 6min).
Average sunshine days in January
Santa Isabel do Rio Negro, Brazil
- Average sunshine days in January: 4.8 days
The month with the most sunshine days is August (7.3 days).
The months with the least sunshine days are May and June (1.1 days).
Average UV index in January
Santa Isabel do Rio Negro, Brazil
- Average UV index in January: 6
The months with the highest UV index are July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May and June (UV index 6).
Average cloud cover in January
Santa Isabel do Rio Negro, Brazil
- Average cloud cover in January: 56
The month with the most cloud cover is May (Cloud cover 72).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in January
Santa Isabel do Rio Negro, Brazil
- Average visibility in January: 7km
The months with the highest visibility are August, September and October (8km).
The month with the lowest visibility is May (5km).
