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United StatesThe weather in January in Alpharetta
It's cool in January in Alpharetta with an average temperature of 11°C. Temperatures this month range from a low of 7°C to a high of 16°C. At night, you can expect temperatures between -3°C and 6°C.
Looking for sun? January isn’t a good month to be in Alpharetta. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Alpharetta, Georgia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 25°C in 2022, Alpharetta reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was -5°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -15°C to a highest value of 19°C.
Precipitation and snowfall
In January, there is an average of 218 mm of precipitation, spread over 18 days. Of the total precipitation, about 0,6 cm falls as snow in January. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in January for Alpharetta
Click on any day in January to get detailed info about the usual weather on that day in Alpharetta. Check out the historical temperatures and precipitation over the past 10 years on this day.
January weather comparison
| Alpharetta | New York | |
|---|---|---|
| Average temperature | 11°C | 5°C |
| Max. temperature | 16°C | 11°C |
| Min. temperature | -3°C | -5°C |
| Total precipitation | 218 mm | 97 mm |
| Rainy days | 18 days | 12 days |
| Total snowfall | 0,6 cm | 16 cm |
| Snowy days | 1 day | 8 days |
Start of January
The month of January starts in Alpharetta with cool temps, averaging around 12°C during the day and nights around 2°C.
Mid January
By mid-January, daytime temps stay steady at around 12°C, with nights around 2°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of January
By the end of January, the average daytime temperature in Alpharetta is around 12°C, while nighttime temps are about 1°C. There’s a significant chance of many days with precipitation.
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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.
Check out the climate of Alpharetta for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in January in Alpharetta, Georgia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Alpharetta
Temperature in January in Alpharetta over the years
Precipitation charts
These charts show the average amount of precipitation in January in Alpharetta, Georgia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in January in Alpharetta
Total precipitation in January in Alpharetta over the years
Daily Snowfall in January in Alpharetta
Snowfall in January in Alpharetta per year
Daily UV index in January in Alpharetta
This chart shows the average daily UV index in January in Alpharetta, 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.
Weather experiences in January in Alpharetta
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Average weather in Alpharetta by month
Click on a month below to see detailed weather info for Alpharetta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.