May weather forecast
Round Lake, NY

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Weather in May

The last month of the spring, May, is a pleasant month in Round Lake, New York, with an average temperature ranging between min 47.1°F (8.4°C) and max 68.5°F (20.3°C).

Temperature

As April transitions into May, a change in temperatures is observed, with average highs moving from a cool 54.5°F (12.5°C) to an agreeable 68.5°F (20.3°C). In Round Lake, an average nighttime temperature of 47.1°F (8.4°C) is expected during May.

Humidity

The average relative humidity in May is 74%.

Rainfall

The month with the most rainfall in Round Lake, New York, is May, when the rain falls for 15.2 days and typically aggregates up to 3.35" (85mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Round Lake aggregates 0.16" (4mm) of snow. Throughout the year, in Round Lake, there are 43.3 snowfall days, and 27.44" (697mm) of snow is accumulated.

Daylight

In Round Lake, the average length of the day in May is 14h and 40min.
On the first day of May in Round Lake, New York, sunrise is at 5:47 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:26 pm EDT.

Sunshine

In Round Lake, the average sunshine in May is 8.6h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Round Lake. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What is the temperature in May in Round Lake?

An average high-temperature, in May, in Round Lake, is 68.5°F (20.3°C) and the average low-temperature is 47.1°F (8.4°C).

What is the average humidity in May in Round Lake?

The average relative humidity in May is 74%.

What is the wettest month in Round Lake?

May is the month with the most rainfall in Round Lake, New York. Rain falls for 15.2 days and accumulates 3.35" (85mm) of precipitation.

How many days does it rain in May in Round Lake?

In Round Lake, New York, in May, it is raining for 15.2 days, with typically 3.35" (85mm) of accumulated precipitation.

What is the last month it snows in Round Lake?

May is the last month it regularly snows in Round Lake. During 0.2 snowfall days, in May, Round Lake aggregates 0.16" (4mm) of snow.

What is the average length of the day in May in Round Lake?

In Round Lake, New York, the average day length in May is 14h and 40min.

When are sunrise and sunset in May in Round Lake?

In May, on the first day of the month, sunrise is at 5:47 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Round Lake have in May?

In Round Lake, New York, the average sunshine duration in May is 8.6h.

What is the month with the highest UV index in Round Lake?

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

How high is the UV index in May in Round Lake?

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Round Lake, NY

Average temperature in May - Round Lake, NY
  • Average high temperature in May: 68.5°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in May: 47.1°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in May
Round Lake, NY

Average pressure in May - Round Lake, NY
  • Average pressure in May: 29.99"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).

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Average wind speed in May
Round Lake, NY

Average wind speed in May - Round Lake, NY
  • Average wind speed in May: 6.4mph

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in May
Round Lake, NY

Average humidity in May - Round Lake, NY
  • Average humidity in May: 74%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in May
Round Lake, NY

Average rainfall in May - Round Lake, NY
  • Average rainfall in May: 3.35"

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is March (1.97").

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Average rainfall days in May
Round Lake, NY

Average rainfall days in May - Round Lake, NY
  • Average rainfall days in May: 15.2 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in May
Round Lake, NY

Average snowfall in May - Round Lake, NY
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (7.32").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Round Lake, NY

Average snowfall days in May - Round Lake, NY
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (11.4 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
Round Lake, NY

Average daylight in May / Average sunshine in May - Round Lake, 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 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in May
Round Lake, NY

Average sunshine days in May - Round Lake, NY
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in May
Round Lake, NY

Average UV index in May - Round Lake, NY
  • Average UV index in May: 5

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

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Average cloud cover in May
Round Lake, NY

Average cloud cover in May - Round Lake, NY
  • Average cloud cover in May: 44

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in May
Round Lake, NY

Average visibility in May - Round Lake, NY
  • Average visibility in May: 5mi

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

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Round Lake, New York, USA

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