May weather forecast
Clarkson, NY

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Weather in May

The last month of the spring, May, is a comfortable month in Clarkson, New York, with an average temperature fluctuating between 48°F (8.9°C) and 61.7°F (16.5°C).

Temperature

May's arrival signals a temperature shift, moving from a fresh 50°F (10°C) in April to an enjoyable 61.7°F (16.5°C). During May, the average low-temperature in Clarkson is a frosty 48°F (8.9°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

May is the month with the most rainfall. Rain falls for 15.8 days and accumulates 2.72" (69mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Clarkson aggregates 0.39" (10mm) of snow. Throughout the year, in Clarkson, there are 67.2 snowfall days, and 21.97" (558mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 42min.
On the first day of May in Clarkson, sunrise is at 6:03 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:44 pm EDT.

Sunshine

In Clarkson, the average sunshine in May is 9.4h.

UV index

In Clarkson, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 4 in May transforms into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What are the temperatures in Clarkson in May?

An average high-temperature, in May, in Clarkson, is 61.7°F (16.5°C) and the average low-temperature is 48°F (8.9°C).

What is the average humidity in May in Clarkson?

In May, the average relative humidity is 78%.

What is the wettest month in Clarkson?

May is the month with the most rainfall. Rain falls for 15.8 days and accumulates 2.72" (69mm) of precipitation.

How much does it rain in Clarkson in May?

In Clarkson, during May, the rain falls for 15.8 days and regularly aggregates up to 2.72" (69mm) of precipitation.

What is the last month it snows in Clarkson?

May is the last month it regularly snows in Clarkson. During 0.3 snowfall days, in May, Clarkson aggregates 0.39" (10mm) of snow.

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

In May, the average day length is 14h and 42min.

When is the sunrise / sunset in May in Clarkson?

In May, on the first day of the month, sunrise is at 6:03 am and sunset at 8:13 pm. On the last day of the month, in Clarkson, New York, sunrise is at 5:34 am and sunset at 8:44 pm EDT.

How many hours of sunshine does Clarkson have in May?

The average sunshine duration in May is 9.4h.

What is the UV index reading in May in Clarkson?

The average daily maximum UV index in May in Clarkson is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Clarkson, NY

Average temperature in May - Clarkson, NY
  • Average high temperature in May: 61.7°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in May: 48°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in May
Clarkson, NY

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

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Clarkson, NY

Average wind speed in May - Clarkson, NY
  • Average wind speed in May: 8.4mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

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Average humidity in May
Clarkson, NY

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

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (76%).

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Average rainfall in May
Clarkson, NY

Average rainfall in May - Clarkson, NY
  • Average rainfall in May: 2.72"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in May
Clarkson, NY

Average rainfall days in May - Clarkson, NY
  • Average rainfall days in May: 15.8 days

The months with the highest number of rainy days are August and October (17.3 days).
The month with the least rainy days is February (7.1 days).

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Average snowfall in May
Clarkson, NY

Average snowfall in May - Clarkson, NY
  • Average snowfall in May: 0.39"

The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Clarkson, NY

Average snowfall days in May - Clarkson, NY
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (16.3 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
Clarkson, NY

Average daylight in May / Average sunshine in May - Clarkson, 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 0min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).

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Average sunshine days in May
Clarkson, NY

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

The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is January (6.9 days).

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Average UV index in May
Clarkson, NY

Average UV index in May - Clarkson, NY
  • Average UV index in May: 4

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

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Average cloud cover in May
Clarkson, NY

Average cloud cover in May - Clarkson, NY
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in May
Clarkson, NY

Average visibility in May - Clarkson, NY
  • Average visibility in May: 6mi

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

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Clarkson, New York, USA

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