PeruAverage weather for San Isidro in December
It's cool to moderate in December in San Isidro with an average temperature of 16°C. Temperatures this month range from a low of 15°C to a high of 17°C. At night, you can expect temperatures between 7°C and 9°C.
Start of December
The month of December starts in San Isidro with cool temps, averaging around 16°C during the day and nights around 8°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid December
By mid-December, daytime temps stay steady at around 16°C, with nights around 8°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in San Isidro is around 16°C, while nighttime temps are about 9°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In December, there is an average of 151 mm of precipitation, spread over 24 days. Of the total precipitation, about 0,4 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the South.
San Isidro in December |
New York | ||
|---|---|---|---|
 Average temperature |
16°C | 9°C | |
 Max. temperature |
17°C | 12°C | |
| Min. temperature |
15°C | -5°C | |
 Total precipitation |
151 mm | 133 mm | |
| Rainy days |
24 days | 17 days | |
 Total snowfall |
0,4 cm | 9,7 cm | |
| Snowy days |
1 day | 3 days | |
November
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is December a good time to visit San Isidro?
Looking for sun and warm weather? December isn’t a good month to be in San Isidro. The temperatures are too low for a warm stay this month.
Temperature records
With 25°C in 2020, San Isidro reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 7°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 19°C.
Check out the climate of San Isidro for all months and discover the best travel time
Curious about the weather in other parts of Peru? Check out the climate and weather for spots like Lima, Cusco, Machu Picchu, or explore other destinations in Peru.
Daily Temperature in December in San Isidro
This chart shows the average daily high and low temperatures in December for San Isidro, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in San Isidro
The chart below shows the average daily precipitation in December for San Isidro, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 24 days of precipitation in San Isidro.
Daily Snowfall in December in San Isidro
This chart shows the average daily snowfall in December in San Isidro, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in December.
Daily UV index in December in San Isidro
This chart shows the average daily UV index in December in San Isidro, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in San Isidro over the years
This chart shows the average temperature in December in San Isidro, measured in degrees Celsius, over the past few years.
Total precipitation in December in San Isidro over the years
This chart shows the average precipitation in December in San Isidro, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in December in San Isidro per year
This chart shows the average snowfall in December in San Isidro, measured in centimeters, over the past few years.
Daily weather in December for San Isidro
Click on any day in December to get detailed info about the usual weather on that day in San Isidro. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in San Isidro
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Average weather in San Isidro by month
Click on a month below to see detailed weather info for San Isidro. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of San Isidro for all months at once
