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 records an average high-temperature of a still hot 31.9°C (89.4°F), closely related to the 33.2°C (91.8°F) observed in December. An average nighttime temperature of 21.7°C (71.1°F) is noted in São José de Piranhas during the month of January.Heat index
The average heat index in January is evaluated at a sweltering 38°C (100.4°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
In São José de Piranhas, the average relative humidity in January is 64%.Rainfall
In São José de Piranhas, during January, the rain falls for 20.7 days and regularly aggregates up to 109mm (4.29") of precipitation. In São José de Piranhas, Brazil, during the entire year, the rain falls for 159.2 days and collects up to 757mm (29.8") of precipitation.Daylight
In January, the average length of the day is 12h and 29min.On the first day of January, sunrise is at 05:21 and sunset at 17:53. On the last day of the month, sunrise is at 05:34 and sunset at 17:59 -03.
Sunshine
In São José de Piranhas, the average sunshine in January is 8.1h.UV index
The months with the lowest UV index in São José de Piranhas are January, February, April through July, 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 ordinary individuals.Note: In January, the maximum UV index of 6 suggests these recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is January in São José de Piranhas?
What is the average humidity in January in São José de Piranhas?
How many days does it rain in January in São José de Piranhas?
What is the average length of the day in January in São José de Piranhas?
What time are sunrise and sunset in January in São José de Piranhas?
How long on average sun shines in January in São José de Piranhas?
What is the month with the lowest UV index in São José de Piranhas?
What is the UV index intensity in January in São José de Piranhas?
Average temperature in January
São José de Piranhas, Brazil
- Average high temperature in January: 31.9°C
The warmest months (with the highest average high temperature) are October and November (34.3°C).
The month with the lowest average high temperature is June (29.8°C).
- Average low temperature in January: 21.7°C
The months with the highest average low temperature are November and December (22.8°C).
The coldest month (with the lowest average low temperature) is July (18.3°C).
Average pressure in January
São José de Piranhas, Brazil
- Average pressure in January: 1011.5mbar
The month with the highest atmospheric pressure is July (1015.4mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in January
São José de Piranhas, Brazil
- Average wind speed in January: 10.8km/h
The windiest month (with the highest average wind speed) is September (15.4km/h).
The calmest months (with the lowest average wind speed) are March and April (9.3km/h).
Average humidity in January
São José de Piranhas, Brazil
- Average humidity in January: 64%
The month with the highest relative humidity is April (76%).
The months with the lowest relative humidity are October and November (49%).
Average rainfall in January
São José de Piranhas, Brazil
- Average rainfall in January: 109mm
The wettest month (with the highest rainfall) is March (170mm).
The driest month (with the least rainfall) is September (2mm).
Average rainfall days in January
São José de Piranhas, Brazil
- Average rainfall days in January: 20.7 days
The month with the highest number of rainy days is March (24.2 days).
The month with the least rainy days is September (2.9 days).
Average daylight in January /
Average sunshine in January
São José de Piranhas, Brazil
- Average daylight in January: 12h and 3min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in January: 8h and 1min
The month with the most sunshine is September (Average sunshine: 9h and 48min).
The month with the least sunshine is March (Average sunshine: 7h and 30min).
Average sunshine days in January
São José de Piranhas, Brazil
- Average sunshine days in January: 8.5 days
The month with the most sunshine days is September (26 days).
The month with the least sunshine days is March (5.2 days).
Average UV index in January
São José de Piranhas, Brazil
- Average UV index in January: 6
The months with the highest UV index are March, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, April, May, June and July (UV index 6).
Average cloud cover in January
São José de Piranhas, Brazil
- Average cloud cover in January: 44
The month with the most cloud cover is April (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility in January
São José de Piranhas, Brazil
- Average visibility in January: 9km
The months with the highest visibility are June, July, August, September, October, November and December (10km).
The month with the lowest visibility is April (8km).
