May weather forecast
South Dayton, NY

Weather in May

The last month of the spring, May, is a comfortable month in South Dayton, New York, with an average temperature varying between 46.9°F (8.3°C) and 63.5°F (17.5°C).

Temperature

In May, the average high-temperature rises from a cool 51.3°F (10.7°C) in April to an enjoyable 63.5°F (17.5°C). The average low-temperature, in May, is 46.9°F (8.3°C).

Humidity

In May, the average relative humidity is 81%.

Rainfall

The month with the most rainfall in South Dayton is May, when the rain falls for 20.3 days and typically aggregates up to 3.62" (92mm) of precipitation.

Snowfall

Months with snowfall in South Dayton are January through May, October through December. May is the last month it regularly snows. During 1 snowfall days, South Dayton aggregates 0.28" (7mm) of snow. In South Dayton, during the entire year, snow falls for 59.1 days and aggregates up to 27.6" (701mm) of snow.

Daylight

In May, the average length of the day in South Dayton is 14h and 37min.
On the first day of May, sunrise is at 6:11 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:45 pm EDT.

Sunshine

In South Dayton, New York, the average sunshine in May is 8.8h.

UV index

In May, the average daily maximum UV index in South Dayton is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In May, the average maximum UV index of 4 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in South Dayton?

The average high-temperature, in May, in South Dayton, New York, is 63.5°F (17.5°C), while the average low-temperature is 46.9°F (8.3°C).

What is the average humidity in May in South Dayton?

In South Dayton, the average relative humidity in May is 81%.

What is the wettest month in South Dayton?

The month with the most rainfall is May, when the rain falls for 20.3 days and typically aggregates up to 3.62" (92mm) of precipitation.

How much does it rain in South Dayton in May?

In May, the rain falls for 20.3 days. Throughout May, 3.62" (92mm) of precipitation is accumulated.

What is the last month it snows in South Dayton?

May is the last month it regularly snows in South Dayton, New York. During 1 snowfall days, in May, South Dayton aggregates 0.28" (7mm) of snow.

How many hours of daylight does South Dayton have in May?

In May, the average day length in South Dayton, New York, is 14h and 37min.

What time are sunrise and sunset in May in South Dayton?

In May, on the first day of the month, sunrise is at 6:11 am and sunset at 8:15 pm. On the last day of the month, in South Dayton, sunrise is at 5:42 am and sunset at 8:45 pm EDT.

How many hours of sunshine does South Dayton have in May?

In May, the average sunshine duration in South Dayton, New York, is 8.8h.

What is the UV index reading in May in South Dayton?

In South Dayton, New York, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
South Dayton, NY

Average temperature in May - South Dayton, NY
  • Average high temperature in May: 63.5°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in May
South Dayton, NY

Average pressure in May - South Dayton, NY
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
South Dayton, NY

Average wind speed in May - South Dayton, NY
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in May
South Dayton, NY

Average humidity in May - South Dayton, NY
  • Average humidity in May: 81%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is September (80%).

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Average rainfall in May
South Dayton, NY

Average rainfall in May - South Dayton, NY
  • Average rainfall in May: 3.62"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.81").

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Average rainfall days in May
South Dayton, NY

Average rainfall days in May - South Dayton, NY
  • Average rainfall days in May: 20.3 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in May
South Dayton, NY

Average snowfall in May - South Dayton, NY
  • Average snowfall in May: 0.28"

The month with the highest snowfall is November (5.79").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
South Dayton, NY

Average snowfall days in May - South Dayton, NY
  • Average snowfall days in May: 1 days

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
South Dayton, NY

Average daylight in May / Average sunshine in May - South Dayton, NY
  • Average daylight in May: 14h and 37min

The month with the longest days is June (Average daylight: 15h and 14min).
The month with the shortest days is December (Average daylight: 9h and 8min).

  • Average sunshine in May: 8h and 48min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in May
South Dayton, NY

Average sunshine days in May - South Dayton, NY
  • Average sunshine days in May: 8.4 days

The month with the most sunshine days is March (14 days).
The month with the least sunshine days is May (8.4 days).

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Average UV index in May
South Dayton, NY

Average UV index in May - South Dayton, NY
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in May
South Dayton, NY

Average cloud cover in May - South Dayton, NY
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in May
South Dayton, NY

Average visibility in May - South Dayton, NY
  • Average visibility in May: 6mi

The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).

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