May weather forecast
Harkness, NY

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Weather in May

The last month of the spring, May, is an enjoyable month in Harkness, New York, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 66.4°F (19.1°C).

Temperature

With the onset of May, Harkness's average high-temperature witnesses a clear rise, advancing from April's cool 51.1°F (10.6°C) to a comfortable 66.4°F (19.1°C). In Harkness, May is marked by an average low-temperature of 45.1°F (7.3°C).

Humidity

May is the least humid month, with an average relative humidity of 74%.

Rainfall

In Harkness, New York, during May, the rain falls for 11.2 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Harkness, during the entire year, the rain falls for 106.7 days and collects up to 8.9" (226mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Harkness aggregates 0.04" (1mm) of snow. Throughout the year, there are 47.4 snowfall days, and 7.32" (186mm) of snow is accumulated.

Daylight

In Harkness, the average length of the day in May is 14h and 49min.
On the first day of the month, sunrise is at 5:43 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:31 pm EDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Harkness in May?

The average high-temperature, in May, in Harkness, is 66.4°F (19.1°C), while the average low-temperature is 45.1°F (7.3°C).

What is the least humid month?

May is the least humid month, with an average relative humidity of 74%.

What is the average humidity in May?

The average relative humidity in May is 74%.

How many days does it rain in May?

In Harkness, in May, during 11.2 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.4 snowfall days, in May, Harkness aggregates 0.04" (1mm) of snow.

How many hours of daylight does Harkness have in May?

In Harkness, the average day length in May is 14h and 49min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:43 am and sunset at 7:59 pm. On the last day of the month, in Harkness, sunrise is at 5:12 am and sunset at 8:31 pm EDT.

How many hours of sunshine does Harkness have in May?

The average sunshine duration in May in Harkness is 8.7h.

What is the month with the highest UV index?

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

What is the UV index intensity in May?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Harkness, NY

Average temperature in May - Harkness, NY
  • Average high temperature in May: 66.4°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25.3°F).

  • Average low temperature in May: 45.1°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

Average pressure in May
Harkness, NY

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

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Harkness, NY

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

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Harkness, NY

Average humidity in May - Harkness, NY
  • Average humidity in May: 74%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (74%).

Average rainfall in May
Harkness, NY

Average rainfall in May - Harkness, NY
  • Average rainfall in May: 0.79"

The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in May
Harkness, NY

Average rainfall days in May - Harkness, NY
  • Average rainfall days in May: 11.2 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is January (3.7 days).

Average snowfall in May
Harkness, NY

Average snowfall in May - Harkness, NY
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Harkness, NY

Average snowfall days in May - Harkness, NY
  • Average snowfall days in May: 0.4 days

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

Average daylight in May /
Average sunshine in May
Harkness, NY

Average daylight in May / Average sunshine in May - Harkness, NY
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

Average sunshine days in May
Harkness, NY

Average sunshine days in May - Harkness, NY
  • Average sunshine days in May: 17 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is July (15.1 days).

Average UV index in May
Harkness, NY

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

Average cloud cover in May
Harkness, NY

Average cloud cover in May - Harkness, NY
  • Average cloud cover in May: 44

The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in May
Harkness, NY

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

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

Harkness, New York, USA

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