May weather forecast
Ithaca, NY

A stream of water flowing downstream from the Taughannock Waterfall in Ithaka, New York
A stream of water flowing downstream from the Taughannock Waterfall in Ithaka, New York

Weather in May

The last month of the spring, May, is an enjoyable month in Ithaca, New York, with an average temperature fluctuating between 46.2°F (7.9°C) and 66.6°F (19.2°C).

Temperature

In May, the average high-temperature rises from a fresh 52.7°F (11.5°C) in April to a comfortable 66.6°F (19.2°C). In Ithaca, New York, the average low-temperature is 46.2°F (7.9°C).

Humidity

The months with the lowest humidity in Ithaca are April and May, with an average relative humidity of 79%.

Rainfall

In Ithaca, during May, the rain falls for 18.8 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, there are 164.2 rainfall days, and 32.56" (827mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Ithaca. May is the last month it regularly snows. During 0.6 snowfall days, Ithaca aggregates 0.24" (6mm) of snow. In Ithaca, during the entire year, snow falls for 82.1 days and aggregates up to 34.57" (878mm) of snow.

Daylight

In May, the average length of the day is 14h and 37min.
On the first day of May, sunrise is at 6:00 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:35 pm EDT.

Sunshine

In May, the average sunshine is 8.3h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 5 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What are the least humid months in Ithaca?

The months with the lowest humidity in Ithaca, New York, are April and May, with an average relative humidity of 79%.

What is the average humidity in May in Ithaca?

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

How much does it rain in Ithaca in May?

In Ithaca, in May, during 18.8 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

What is the last month it snows in Ithaca?

May is the last month it regularly snows in Ithaca, New York. During 0.6 snowfall days, in May, Ithaca aggregates 0.24" (6mm) of snow.

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

In Ithaca, the average day length in May is 14h and 37min.

When is the sunrise / sunset in May in Ithaca?

On the first day of May, sunrise is at 6:00 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:35 pm EDT.

How many hours of sunshine does Ithaca have in May?

The average sunshine duration in May in Ithaca, New York, is 8.3h.

How high is the UV index in May in Ithaca?

In Ithaca, New York, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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
Ithaca, NY

Average temperature in May - Ithaca, NY
  • Average high temperature in May: 66.6°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in May: 46.2°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in May
Ithaca, NY

Average pressure in May - Ithaca, NY
  • Average pressure in May: 30"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
Ithaca, NY

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

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in May
Ithaca, NY

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

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (79%).

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Average rainfall in May
Ithaca, NY

Average rainfall in May - Ithaca, NY
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is November (1.97").

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Average rainfall days in May
Ithaca, NY

Average rainfall days in May - Ithaca, NY
  • Average rainfall days in May: 18.8 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.4 days).

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Average snowfall in May
Ithaca, NY

Average snowfall in May - Ithaca, NY
  • Average snowfall in May: 0.24"

The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Ithaca, NY

Average snowfall days in May - Ithaca, NY
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (18.8 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
Ithaca, NY

Average daylight in May / Average sunshine in May - Ithaca, 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 18min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

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Average sunshine days in May
Ithaca, NY

Average sunshine days in May - Ithaca, NY
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (6.8 days).

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Average UV index in May
Ithaca, NY

Average UV index in May - Ithaca, 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 and December (UV index 1).

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Average cloud cover in May
Ithaca, NY

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

The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).

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Average visibility in May
Ithaca, NY

Average visibility in May - Ithaca, NY
  • Average visibility in May: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

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