May weather forecast and climate
Bellvale, NY

May, the last month of the spring, in Bellvale, is a pleasant month, with average temperature fluctuating between 68.5°F (20.3°C) and 48.9°F (9.4°C).

Temperature

In May, the average high-temperature increases, from a mild 57°F (13.9°C) in April, to an agreeable 68.5°F (20.3°C). The average low-temperature, is 48.9°F (9.4°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In Bellvale, in May, during 15.3 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Bellvale, during the entire year, the rain falls for 131.1 days and collects up to 13.31" (338mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Bellvale. During 0.1 snowfall days, in May, Bellvale aggregates 0.16" (4mm) of snow. In Bellvale, during the entire year, snow falls for 25.8 days, and aggregates up to 6.89" (175mm) of snow.

Daylight

In Bellvale, the average length of the day is 14.5h.

Sunshine

In Bellvale, the average sunshine is 8.3h.

UV index

In May, the average daily maximum UV index in Bellvale, New York, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 5 in May transform into the following instructions:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Bellvale?

In Bellvale, New York, in May, the average high-temperature is 68.5°F (20.3°C), and the average low-temperature is 48.9°F (9.4°C).

What is the average humidity in May in Bellvale?

In May, the average relative humidity in Bellvale is 79%.

How many days does it rain in May in Bellvale?

In Bellvale, during May, the rain falls for 15.3 days and regularly aggregates up to 1.5" (38mm) of precipitation.

What is the last month it snows in Bellvale?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Bellvale aggregates 0.16" (4mm) of snow.

How many hours of daylight does Bellvale have in May?

In Bellvale, New York, the average length of the day in May is 14.5h.

How long on average sun shines in May in Bellvale?

In May, the average sunshine in Bellvale is 8.3h.

What is the UV index reading in May in Bellvale?

In Bellvale, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in May - Bellvale, NY
  • Average high temperature in May: 20.3°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (0.7°C).

  • Average low temperature in May: 9.4°C

The month with the highest average low temperature is July (16.7°C).
The coldest month (with the lowest average low temperature) is January (-6.4°C).

Average pressure in May - Bellvale, NY
  • Average pressure in May: 1016.2mbar

The month with the highest atmospheric pressure is November (1019.5mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in May - Bellvale, NY
  • Average wind speed in May: 9.5km/h

The windiest months (with the highest average wind speed) are January and March (12km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).

Average humidity in May - Bellvale, NY
  • Average humidity in May: 79%

Months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in May - Bellvale, NY
  • Average rainfall in May: 38mm

The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is September (16mm).

Average rainfall days in May - Bellvale, NY
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in May - Bellvale, NY
  • Average snowfall in May: 4mm

The month with the highest snowfall is March (43mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May - Bellvale, NY
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (7.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Bellvale, NY
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 8.3h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.4h).

Average sunshine days in May - Bellvale, NY
  • Average sunshine days in May: 12.8 days

Months with the most sunshine days are January and November (20.4 days).
The month with the least sunshine days is June (12.5 days).

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

The month with the highest UV index is June (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in May - Bellvale, NY
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 51).
Months with the least cloud cover are July and August (Cloud cover 35).

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

Months with the highest visibility are April and November (9km).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (8km).