May weather forecast and climate
Ontario Center, NY

May, the last month of the spring, in Ontario Center, is a moderate month, with average temperature ranging between max 60.6°F (15.9°C) and min 48.6°F (9.2°C).

Temperature

In Ontario Center, the average high-temperature rises, from a frosty 49.5°F (9.7°C) in April, to a moderate 60.6°F (15.9°C). In Ontario Center, New York, in May, the average low-temperature is 48.6°F (9.2°C).

Humidity

In May, the average relative humidity is 78%.

Rainfall

In May, in Ontario Center, the rain falls for 16.8 days. Throughout May, 3.15" (80mm) of precipitation is accumulated. Throughout the year, 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. In Ontario Center, during the entire year, snow falls for 62.3 days, and aggregates up to 20.63" (524mm) of snow.

Daylight

In May, the average length of the day in Ontario Center is 14.7h.

Sunshine

In May, the average sunshine in Ontario Center is 9.4h.

UV index

In Ontario Center, New York, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in May in Ontario Center?

The average high-temperature, in May, in Ontario Center, New York, is 60.6°F (15.9°C), while the average low-temperature is 48.6°F (9.2°C).

What is the average humidity in May in Ontario Center?

In Ontario Center, the average relative humidity in May is 78%.

How much does it rain in Ontario Center in May?

In Ontario Center, in May, during 16.8 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

What is the last month it snows in Ontario Center?

May is the last month it regularly snows in Ontario Center, New York. During 0.4 snowfall days, in May, Ontario Center aggregates 0.35" (9mm) of snow.

What is the average length of the day in May in Ontario Center?

In May, the average length of the day is 14.7h.

How long on average sun shines in May in Ontario Center?

The average sunshine in May in Ontario Center, New York, is 9.4h.

How high is the UV index in May in Ontario Center?

The average daily maximum UV index in May in Ontario Center, New York, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in May - Ontario Center, NY
  • Average high temperature in May: 15.9°C

The warmest month (with the highest average high temperature) is July (24.7°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in May: 9.2°C

The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).

Average pressure in May - Ontario Center, NY
  • Average pressure in May: 1015.4mbar

The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

Average wind speed in May - Ontario Center, NY
  • Average wind speed in May: 14.2km/h

The windiest month (with the highest average wind speed) is January (21.2km/h).
The calmest month (with the lowest average wind speed) is July (12.4km/h).

Average humidity in May - Ontario Center, NY
  • Average humidity in May: 78%

Months with the highest relative humidity are January and February (83%).
Months with the lowest relative humidity are August and September (75%).

Average rainfall in May - Ontario Center, NY
  • Average rainfall in May: 80mm

The wettest month (with the highest rainfall) is October (82mm).
The driest month (with the least rainfall) is September (51mm).

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: 9mm

The month with the highest snowfall is February (152mm).
Months with the least snowfall are June, July, August and September (0mm).

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).
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: 14.7h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in May: 9.4h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 2.6h).

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

Months with the highest UV index are July and August (UV index 6).
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).
Months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in May - Ontario Center, NY
  • Average visibility in May: 9km

Months with the highest visibility are June, July, August, September and October (10km).
Months with the lowest visibility are January and February (8km).