May weather forecast and climate
Summit, NY

The last month of the spring, May, is an enjoyable month in Summit, New York, with average temperature ranging between min 45.1°F (7.3°C) and max 65.5°F (18.6°C).

Temperature

In May, the average high-temperature rises, from a fresh 51.6°F (10.9°C) in April, to an enjoyable 65.5°F (18.6°C). In Summit, the average low-temperature is 45.1°F (7.3°C).

Humidity

Months with the lowest humidity in Summit are April and May, with an average relative humidity of 78%.

Rainfall

In Summit, in May, it is raining for 18.5 days, with typically 3.27" (83mm) of accumulated precipitation. In Summit, during the entire year, the rain falls for 165.5 days and collects up to 32.83" (834mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Summit, New York. During 0.6 snowfall days, in May, Summit aggregates 0.24" (6mm) of snow. In Summit, during the entire year, snow falls for 81.8 days, and aggregates up to 42.09" (1069mm) of snow.

Daylight

The average length of the day in Summit is 14.6h.

Sunshine

In Summit, the average sunshine in May is 8.4h.

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 the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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 Summit?

In May, in Summit, the average high-temperature is 65.5°F (18.6°C), and the average low-temperature is 45.1°F (7.3°C).

What is the least humid month in Summit?

April and May, with an average relative humidity of 78%, are the least humid months in Summit, New York.

What is the average humidity in May in Summit?

The average relative humidity in May in Summit is 78%.

How much does it rain in Summit in May?

In Summit, during May, the rain falls for 18.5 days and regularly aggregates up to 3.27" (83mm) of precipitation.

What is the last month it snows in Summit?

May is the last month it regularly snows in Summit, New York. During 0.6 snowfall days, in May, Summit aggregates 0.24" (6mm) of snow.

What is the average length of the day in May in Summit?

In May, the average length of the day in Summit is 14.6h.

How long on average sun shines in May in Summit?

In Summit, New York, the average sunshine in May is 8.4h.

When is the highest UV index in Summit?

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

What is the UV index reading in May in Summit?

In May, the average daily maximum UV index in Summit is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in May - Summit, NY
  • Average high temperature in May: 18.6°C

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-2.9°C).

  • Average low temperature in May: 7.3°C

The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-9.3°C).

Average pressure in May - Summit, NY
  • Average pressure in May: 1015.7mbar

The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

Average wind speed in May - Summit, NY
  • Average wind speed in May: 11.5km/h

The windiest month (with the highest average wind speed) is January (15.1km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).

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

The month with the highest relative humidity is February (86%).
Months with the lowest relative humidity are April and May (78%).

Average rainfall in May - Summit, NY
  • Average rainfall in May: 83mm

The wettest month (with the highest rainfall) is August (85mm).
The driest month (with the least rainfall) is September (54mm).

Average rainfall days in May - Summit, NY
  • Average rainfall days in May: 18.5 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in May - Summit, NY
  • Average snowfall in May: 6mm

The month with the highest snowfall is February (230mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May - Summit, NY
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (18.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in May: 8.4h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 3.1h).

Average sunshine days in May - Summit, NY
  • Average sunshine days in May: 10.1 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (6.1 days).

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

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

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

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 37).

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

Months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is February (7km).