May weather forecast
South Byron, NY

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Weather in May

May, the last month of the spring in South Byron, is an enjoyable month, with an average temperature ranging between min 47.8°F (8.8°C) and max 67.1°F (19.5°C).

Temperature

May brings a rise in the average high-temperature, transitioning from April's cool 53.4°F (11.9°C) to an enjoyable 67.1°F (19.5°C). The low-temperature average for South Byron during May stands at a frosty 47.8°F (8.8°C).

Humidity

May and July, with an average relative humidity of 77%, are the least humid months.

Rainfall

The month with the most rainfall is May, when the rain falls for 14.2 days and typically aggregates up to 1.97" (50mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, South Byron aggregates 0.28" (7mm) of snow. In South Byron, during the entire year, snow falls for 60.1 days and aggregates up to 17.01" (432mm) of snow.

Daylight

In May, the average length of the day in South Byron is 14h and 41min.
On the first day of May, sunrise is at 6:04 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:44 pm EDT.

Sunshine

The average sunshine in May is 8.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 5 during May morphs into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the average May temperature?

The high-temperature, in May, in South Byron, records 67.1°F (19.5°C), while the low-temperature is 47.8°F (8.8°C).

What are the least humid months?

The months with the lowest humidity are May and July, with an average relative humidity of 77%.

What is the average humidity in May?

In South Byron, the average relative humidity in May is 77%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 14.2 days and typically aggregates up to 1.97" (50mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 14.2 days. Throughout May, 1.97" (50mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, South Byron aggregates 0.28" (7mm) of snow.

What is the average length of the day in May in South Byron?

In May, the average day length is 14h and 41min.

When is the sunrise / sunset in May in South Byron?

In May, on the first day of the month, sunrise is at 6:04 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:44 pm EDT.

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

In May, the average sunshine duration is 8.6h.

How high is the UV index in May?

In South Byron, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
South Byron, NY

Average temperature in May - South Byron, NY
  • Average high temperature in May: 67.1°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in May: 47.8°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in May
South Byron, NY

Average pressure in May - South Byron, NY
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
South Byron, NY

Average wind speed in May - South Byron, NY
  • Average wind speed in May: 7.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July, August and September (6.5mph).

Average humidity in May
South Byron, NY

Average humidity in May - South Byron, NY
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are May and July (77%).

Average rainfall in May
South Byron, NY

Average rainfall in May - South Byron, NY
  • Average rainfall in May: 1.97"

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is January (0.83").

Average rainfall days in May
South Byron, NY

Average rainfall days in May - South Byron, NY
  • Average rainfall days in May: 14.2 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in May
South Byron, NY

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

The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
South Byron, NY

Average snowfall days in May - South Byron, NY
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - South Byron, NY
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 4min

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

Average sunshine days in May
South Byron, NY

Average sunshine days in May - South Byron, NY
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (11 days).

Average UV index in May
South Byron, NY

Average UV index in May - South Byron, NY
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in May
South Byron, NY

Average cloud cover in May - South Byron, NY
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
South Byron, NY

Average visibility in May - South Byron, 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).

South Byron, New York, USA

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