Normal weather for O'Brien in December
It's cool to moderate in December in O'Brien with an average temperature of 15°C. Temperatures this month range from a low of 10°C to a high of 20°C. At night, you can expect temperatures between -1°C and 6°C.
In December, there is an average of 58 mm of precipitation, spread over 9 days. Of the total precipitation, about 1,4 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the South.
O'Brien in December |
New York | ||
|---|---|---|---|
 Average Temperature |
15°C | 9°C | |
 High Temp |
20°C | 12°C | |
| Low Temp |
10°C | 4°C | |
 Total Precipitation |
58 mm | 133 mm | |
| Rainy Days |
9 days | 17 days | |
 Total Snowfall |
1,4 cm | 9,7 cm | |
| Snowy Days |
1 day | 3 days | |
Start of December
The month of December starts in O'Brien with cool temps, averaging around 17°C during the day and nights around 5°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. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
Mid December
By mid-December, daytime temps drop to around 16°C, with nights around 3°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
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 O'Brien is around 14°C, while nighttime temps are about 2°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 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is December a good time to visit O'Brien?
Looking for sun and warm weather? December isn’t a good month to be in O'Brien. The temperatures are too low for a warm stay this month.
The hurricane season in O'Brien runs from June to November.
Temperature records for O'Brien in December
Check out the climate of O'Brien for all months and discover the best travel time
November
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Daily Temperature in December in O'Brien
This chart shows the average daily high and low temperatures in December for O'Brien, 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 O'Brien
The chart below shows the average daily precipitation in December for O'Brien, 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 9 days of precipitation in O'Brien.
Daily Snowfall in December in O'Brien
This chart shows the average daily snowfall in December in O'Brien, 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 O'Brien
This chart shows the average daily UV index in December in O'Brien, 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 O'Brien Over the Years
This chart shows the average temperature in December in O'Brien, measured in degrees Celsius, over the past few years.
Total Precipitation in December in O'Brien Over the Years
This chart shows the average precipitation in December in O'Brien, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in December in O'Brien per year
This chart shows the average snowfall in December in O'Brien, measured in centimeters, over the past few years.
Daily Climate in December for O'Brien
Click on any day in December to get detailed info about the usual weather on that day in O'Brien. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in O'Brien
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Average Weather in O'Brien by Month
Click on a month below to see detailed weather info for O'Brien. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
