Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Katonah in May sees a temperature change, with average high-temperatures moving from 56.8°F (13.8°C) in April to a still refreshing 67.8°F (19.9°C). Katonah records an average low of 51.1°F (10.6°C) throughout the nights in May.Humidity
In Katonah, the average relative humidity in May is 76%.Rainfall
In Katonah, New York, in May, during 15.6 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 144.2 rainfall days, and 22.32" (567mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Katonah aggregates 0.16" (4mm) of snow. Throughout the year, there are 23.1 snowfall days, and 9.02" (229mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 31min.On the first day of the month, sunrise is at 5:51 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:24 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine in Katonah is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Katonah in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Katonah, NY
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in May
Katonah, NY
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Katonah, NY
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Katonah, NY
- Average humidity in May: 76%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Katonah, NY
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in May
Katonah, NY
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in May
Katonah, NY
- Average snowfall in May: 0.16"
The month with the highest snowfall is March (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Katonah, NY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Katonah, NY
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Katonah, NY
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in May
Katonah, NY
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Katonah, NY
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Katonah, NY
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Katonah, New York, USA
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