Temperatures in January
It's cold in January in Katonah with an average temperature of 3°C. Temperatures this month range from a low of 0°C to a high of 7°C. At night, you can expect temperatures between -9°C and -2°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Katonah in January. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of January
The month of January starts in Katonah with very cold temperatures, averaging around 4°C during the day and nights close to -4°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
Mid-January
By mid-January, the average daytime temperature stays the same at 4°C, with nights close to -4°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
End of January
By the end of January, the average daytime temperature in Katonah will be around 3°C, with nights close to -5°C. A shower might show up, but overall the weather will be dry and sunny. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
Precipitation in January
In January, there is an average of 94 mm of precipitation, spread over 8 days. Of the total precipitation, about 18 cm falls as snow in January. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance is 25% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January for Katonah. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Katonah in January |
London | ||
|---|---|---|---|
 Average Temperature |
3°C | 8°C | |
 High Temp |
7°C | 9°C | |
| Low Temp |
0°C | 6°C | |
 Total Precipitation |
94 mm | 58 mm | |
| Rainy Days |
8 days | 9 days | |
 Total Snowfall |
18 cm | 0,8 cm | |
| Snowy Days |
9 days | 1 day | |
December
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 Katonah in January
With 19°C, Katonah hit the highest temperature in the last 10 years in January 2020. The lowest daytime temperature in this month was -12°C in 2018. The extreme night temperatures ranged from a low of -23°C to a high of 10°C.
Check out the climate of Katonah for all months and discover the best travel time
Daily Temperature in January in Katonah
This chart shows the average daily temperatures, both day and night, for each day in January in Katonah, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in January in Katonah
The chart below shows the average daily precipitation in January for Katonah, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for January, you can expect around 8 days of rain in Katonah.
Daily Snowfall in January in Katonah
This chart shows the average daily snowfall in January in Katonah, measured in centimetres. 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 January.
Daily UV Index in January in Katonah
This chart shows the average daily UV index in January in Katonah, 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 January in Katonah Over the Years
This chart shows the average temperature in January in Katonah, measured in degrees Celsius, over the past years.
Total Precipitation in January in Katonah Over the Years
This chart shows the average precipitation in January in Katonah, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in January in Katonah per year
This chart shows the average snowfall in January in Katonah, measured in centimetres, over the past years.
Daily climate in January for Katonah
Click on a specific day in January for detailed info on the typical weather on that day in Katonah. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Katonah
Have you been to Katonah in January?
Share your weather experience in January in Katonah.
Average Weather in Katonah by Month
Click on a month below to see detailed weather info for Katonah. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
