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 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
January is San Isidro's warmest month, registering average high temperatures of 30°C (86°F) and lows of 20.5°C (68.9°F).Heat index
For January, the heat index is computed to be a hot 32°C (89.6°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Note that heat index values are valued for light wind and location in the shade. 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 'feels like' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
The least humid month in San Isidro is January, with an average relative humidity of 58%.Rainfall
In San Isidro, in January, it is raining for 7 days, with typically 34mm (1.34") of accumulated precipitation. In San Isidro, during the entire year, the rain falls for 100 days and collects up to 474mm (18.66") of precipitation.Snowfall
January through June, August through December are months without snowfall.Daylight
The average length of the day in January is 14h and 9min.On the first day of January in San Isidro, sunrise is at 05:45 and sunset at 20:10. On the last day of the month, sunrise is at 06:13 and sunset at 20:01 -03.
Sunshine
In San Isidro, the average sunshine in January is 10.5h.UV index
The months with the highest UV index in San Isidro are January through March, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, a regular UV index of 6 translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What is the hottest time of year in San Isidro?
How hot is January in San Isidro?
What is the least humid month in San Isidro?
What is the average humidity in January in San Isidro?
How many days does it rain in January in San Isidro?
When it does not snow in San Isidro?
How many hours of daylight does San Isidro have in January?
When is the sunrise / sunset in January in San Isidro?
How many hours of sunshine does San Isidro have in January?
When is the highest UV index in San Isidro?
What is the UV index reading in January in San Isidro?
Average temperature in January
San Isidro, Argentina
- Average high temperature in January: 30°C
The warmest month (with the highest average high temperature) is January (30°C).
The month with the lowest average high temperature is July (14°C).
- Average low temperature in January: 20.5°C
The month with the highest average low temperature is January (20.5°C).
The coldest month (with the lowest average low temperature) is July (8.4°C).
Average pressure in January
San Isidro, Argentina
- Average pressure in January: 1011.8mbar
The month with the highest atmospheric pressure is July (1019.2mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in January
San Isidro, Argentina
- Average wind speed in January: 14.7km/h
The windiest month (with the highest average wind speed) is September (16.6km/h).
The calmest months (with the lowest average wind speed) are March and December (14km/h).
Average humidity in January
San Isidro, Argentina
- Average humidity in January: 58%
The months with the highest relative humidity are May and July (75%).
The month with the lowest relative humidity is January (58%).
Average rainfall in January
San Isidro, Argentina
- Average rainfall in January: 34mm
The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in January
San Isidro, Argentina
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is October (9.6 days).
The month with the least rainy days is August (6.9 days).
Average snowfall days in January
San Isidro, Argentina
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
San Isidro, Argentina
- Average daylight in January: 14h and 1min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in January: 10h and 3min
The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in January
San Isidro, Argentina
- Average sunshine days in January: 22.1 days
The months with the most sunshine days are January and August (22.1 days).
The month with the least sunshine days is February (18.6 days).
Average UV index in January
San Isidro, Argentina
- Average UV index in January: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in January
San Isidro, Argentina
- Average cloud cover in January: 17
The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in January
San Isidro, Argentina
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
San Isidro, Argentina
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