Normal weather for Istiaía in December
It's cool in December in Istiaía with an average temperature of 14°C. Temperatures this month range from a low of 11°C to a high of 17°C. At night, you can expect temperatures between 3°C and 9°C.
In December, there is an average of 65 mm of precipitation, spread over 10 days. Of the total precipitation, about 0,3 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the West.
Istiaía in December |
New York | ||
|---|---|---|---|
 Average Temperature |
14°C | 9°C | |
 High Temp |
17°C | 12°C | |
| Low Temp |
11°C | 4°C | |
 Total Precipitation |
65 mm | 133 mm | |
| Rainy Days |
10 days | 17 days | |
 Total Snowfall |
0,3 cm | 9,7 cm | |
| Snowy Days |
1 day | 3 days | |
Start of December
The month of December starts in Istiaía with cool temps, averaging around 16°C during the day and nights around 8°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. During the day, choose a light jacket, sweater or hoodie, and long pants. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
Mid December
By mid-December, daytime temps drop to around 14°C, with nights around 6°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
Since it cools down at night, it’s a good idea to wear layers. During the day, choose a light jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
End of December
By the end of December, the average daytime temperature in Istiaía is around 15°C, while nighttime temps are about 4°C. A shower might pop up, but overall, the weather will be dry and sunny.
Because temperatures drop in the evening, wearing layers is recommended. During the day, choose a light jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
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UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Temperature records for Istiaía in December
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Daily Temperature in December in Istiaía
This chart shows the average daily high and low temperatures in December for Istiaía, 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 Istiaía
The chart below shows the average daily precipitation in December for Istiaía, 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 10 days of precipitation in Istiaía.
Daily Snowfall in December in Istiaía
This chart shows the average daily snowfall in December in Istiaía, 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 Istiaía
This chart shows the average daily UV index in December in Istiaía, 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 Istiaía Over the Years
This chart shows the average temperature in December in Istiaía, measured in degrees Celsius, over the past few years.
Total Precipitation in December in Istiaía Over the Years
This chart shows the average precipitation in December in Istiaía, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in December in Istiaía per year
This chart shows the average snowfall in December in Istiaía, measured in centimeters, over the past few years.
Daily Climate in December for Istiaía
Click on any day in December to get detailed info about the usual weather on that day in Istiaía. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Istiaía
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Average Weather in Istiaía by Month
Click on a month below to see detailed weather info for Istiaía. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
