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
The arrival of May signals an increase in the average high-temperature, moving from a frosty 49.5°F (9.7°C) in April to a moderate 60.6°F (15.9°C). Throughout May, Ontario Center's nights cool down to an average of 48.6°F (9.2°C).Humidity
The average relative humidity in May in Ontario Center is 78%.Rainfall
In Ontario Center, during May, the rain falls for 16.8 days and regularly aggregates up to 3.15" (80mm) of precipitation. Throughout the year, in Ontario Center, there are 167.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.4 snowfall days, in May, Ontario Center aggregates 0.35" (9mm) of snow. Throughout the year, there are 62.3 snowfall days, and 20.63" (524mm) of snow is accumulated.Daylight
In Ontario Center, the average length of the day in May is 14h and 42min.On the first day of May, sunrise is at 6:01 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:42 pm EDT.
Sunshine
In Ontario Center, the average sunshine in May is 9.4h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures 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 are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Ontario Center, NY
- Average high temperature in May: 60.6°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 48.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in May
Ontario Center, NY
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Ontario Center, NY
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (13.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in May
Ontario Center, NY
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in May
Ontario Center, NY
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Ontario Center, NY
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in May
Ontario Center, NY
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Ontario Center, NY
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Ontario Center, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in May
Ontario Center, NY
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in May
Ontario Center, NY
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Ontario Center, NY
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in May
Ontario Center, NY
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Ontario Center, New York, USA
Weather forecast for your location
2. Allow the app to use your location