May weather forecast and climate
Summitville, NY

The last month of the spring, May, is a pleasant month in Summitville, New York, with average temperature ranging between min 47.7°F (8.7°C) and max 68.2°F (20.1°C).

Temperature

In Summitville, New York, the average high-temperature rises, from a moderate 55.9°F (13.3°C) in April, to an agreeable 68.2°F (20.1°C). The average low-temperature, in Summitville, New York, is 47.7°F (8.7°C).

Humidity

The average relative humidity in Summitville is 78%.

Rainfall

In May, in Summitville, the rain falls for 16.9 days. Throughout May, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 147.3 rainfall days, and 19.88" (505mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Summitville. During 0.2 snowfall days, in May, Summitville aggregates 0.2" (5mm) of snow. Throughout the year, there are 35.3 snowfall days, and 13.78" (350mm) of snow is accumulated.

Daylight

In Summitville, the average length of the day is 14.6h.

Sunshine

In May, the average sunshine in Summitville is 8.5h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Summitville?

The average high-temperature, in May, in Summitville, New York, is 68.2°F (20.1°C), while the average low-temperature is 47.7°F (8.7°C).

What is the average humidity in May in Summitville?

In Summitville, New York, the average relative humidity in May is 78%.

How many days does it rain in May in Summitville?

In Summitville, New York, in May, during 16.9 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

What is the last month it snows in Summitville?

May is the last month it regularly snows in Summitville. During 0.2 snowfall days, in May, Summitville aggregates 0.2" (5mm) of snow.

How many hours of daylight does Summitville have in May?

The average length of the day in May in Summitville, New York, is 14.6h.

How long on average sun shines in May in Summitville?

In May, the average sunshine in Summitville is 8.5h.

What are the months with the highest UV index in Summitville?

Months with the highest UV index in Summitville are May through August, with an average maximum UV index of 5.

What is the UV index intensity in May in Summitville?

In May, the average daily maximum UV index in Summitville is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in May - Summitville, NY
  • Average high temperature in May: 20.1°C

The warmest month (with the highest average high temperature) is July (28.1°C).
The month with the lowest average high temperature is January (-0.1°C).

  • Average low temperature in May: 8.7°C

The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).

Average pressure in May - Summitville, NY
  • Average pressure in May: 1016.1mbar

The month with the highest atmospheric pressure is November (1019.4mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in May - Summitville, NY
  • Average wind speed in May: 8.8km/h

The windiest months (with the highest average wind speed) are February and March (11km/h).
The calmest month (with the lowest average wind speed) is August (7.2km/h).

Average humidity in May - Summitville, NY
  • Average humidity in May: 78%

The month with the highest relative humidity is December (83%).
Months with the lowest relative humidity are April and July (76%).

Average rainfall in May - Summitville, NY
  • Average rainfall in May: 52mm

The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is January (29mm).

Average rainfall days in May - Summitville, NY
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in May - Summitville, NY
  • Average snowfall in May: 5mm

The month with the highest snowfall is February (92mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May - Summitville, NY
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (8.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Summitville, NY
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in May: 8.5h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.3h).

Average sunshine days in May - Summitville, NY
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in May - Summitville, NY
  • Average UV index in May: 5

Months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May - Summitville, NY
  • Average cloud cover in May: 48

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in May - Summitville, NY
  • Average visibility in May: 8km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).