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 snowfall in January
- Average snowfall 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
Weather in January
Temperature
With average temperatures fluctuating between a high of 30.6°C (87.1°F) and a low of 19.4°C (66.9°F), January stands out as the warmest month in San Juan, Argentina.Heat index
In January, the average heat index is calculated to be a hot 30°C (86°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In January, the average relative humidity in San Juan is 40%.Rainfall
The month with the most rainfall is January, when the rain falls for 9.2 days and typically aggregates up to 29mm (1.14") of precipitation.Snowfall
In San Juan, snow does not fall in January through June, October through December.Daylight
In San Juan, the average length of the day in January is 13h and 56min.On the first day of the month, sunrise is at 06:32 and sunset at 20:42. On the last day of January, in San Juan, sunrise is at 06:58 and sunset at 20:36 -03.
Sunshine
The average sunshine in January is 9.8h.UV index
January is the month with the highest UV index, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 7 in January transforms into this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the warmest month in San Juan?
How hot is January in San Juan?
What is the average humidity in January in San Juan?
What is the rainiest month in San Juan?
How much does it rain in San Juan in January?
When it does not snow in San Juan?
How many hours of daylight does San Juan have in January?
When is the sunrise / sunset in January in San Juan?
How long on average sun shines in January in San Juan?
When is the highest UV index in San Juan?
What is the UV index reading in January in San Juan?
Average temperature in January
San Juan, Argentina
- Average high temperature in January: 30.6°C
The warmest month (with the highest average high temperature) is January (30.6°C).
The month with the lowest average high temperature is July (14.6°C).
- Average low temperature in January: 19.4°C
The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is July (4.5°C).
Average pressure in January
San Juan, Argentina
- Average pressure in January: 1011.1mbar
The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).
Average wind speed in January
San Juan, Argentina
- Average wind speed in January: 10.6km/h
The windiest months (with the highest average wind speed) are October and November (12.2km/h).
The calmest month (with the lowest average wind speed) is May (8.8km/h).
Average humidity in January
San Juan, Argentina
- Average humidity in January: 40%
The months with the highest relative humidity are April and May (52%).
The month with the lowest relative humidity is November (35%).
Average rainfall in January
San Juan, Argentina
- Average rainfall in January: 29mm
The wettest month (with the highest rainfall) is January (29mm).
The driest months (with the least rainfall) are June and July (1mm).
Average rainfall days in January
San Juan, Argentina
- Average rainfall days in January: 9.2 days
The month with the highest number of rainy days is January (9.2 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in January
San Juan, Argentina
- Average snowfall in January: 0mm
The month with the highest snowfall is July (4mm).
The months with the least snowfall are January, February, March, April, May, June, October, November and December (0mm).
Average snowfall days in January
San Juan, Argentina
- Average snowfall days in January: 0 days
The months with the highest number of snowfall days are July and September (0.4 days).
The months with the least snowfall days are January, February, March, April, May, June, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
San Juan, Argentina
- Average daylight in January: 13h and 5min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in January: 9h and 5min
The months with the most sunshine are August, September and November (Average sunshine: 9h and 54min).
The months with the least sunshine are March, April, May and October (Average sunshine: 9h and 42min).
Average sunshine days in January
San Juan, Argentina
- Average sunshine days in January: 15.4 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is January (15.4 days).
Average UV index in January
San Juan, Argentina
- Average UV index in January: 7
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in January
San Juan, Argentina
- Average cloud cover in January: 11
The months with the most cloud cover are March, April and May (Cloud cover 12).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in January
San Juan, Argentina
- 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).
San Juan, Argentina
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