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
May brings a temperature increase, with average high-temperatures moving from April's fresh 51.4°F (10.8°C) to a refreshing 64.4°F (18°C). Clay cools down to an average low-temperature of 47.1°F (8.4°C) throughout the month of May.Humidity
In Clay, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall in Clay, New York, is May, when the rain falls for 17.7 days and typically aggregates up to 3.98" (101mm) of precipitation.Snowfall
May through September are months without snowfall in Clay.Daylight
The average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 5:56 am and sunset at 8:06 pm. On the last day of May, in Clay, sunrise is at 5:27 am and sunset at 8:37 pm EDT.
Sunshine
In Clay, New York, the average sunshine in May is 9h.UV index
The average daily maximum UV index in May in Clay is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Stay alert! Snow's reflective properties 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 are May temperatures in Clay?
What is the average humidity in May in Clay?
What is the wettest month in Clay?
How much does it rain in Clay in May?
When it does not snow in Clay?
Does it snow in Clay in May?
What is the average length of the day in May in Clay?
When is the sunrise / sunset in May in Clay?
How many hours of sunshine does Clay have in May?
What is the UV index intensity in May in Clay?
Average temperature in May
Clay, NY
- Average high temperature in May: 64.4°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in May: 47.1°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in May
Clay, NY
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Clay, NY
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in May
Clay, NY
- Average humidity in May: 79%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall in May
Clay, NY
- Average rainfall in May: 3.98"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in May
Clay, NY
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in May
Clay, NY
- Average snowfall in May: 0"
The month with the highest snowfall is February (10.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Clay, NY
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (19.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Clay, NY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in May
Clay, NY
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (4.5 days).
Average UV index in May
Clay, NY
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in May
Clay, NY
- Average cloud cover in May: 42
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in May
Clay, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Clay, New York, USA
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