May weather forecast
Hartford, NY

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Weather in May

May, the last month of the spring in Hartford, is an enjoyable month, with an average temperature ranging between min 45.7°F (7.6°C) and max 67.1°F (19.5°C).

Temperature

With the onset of May, Hartford's weather sees a temperature rise, transitioning from a fresh 53.1°F (11.7°C) in April to a comfortable 67.1°F (19.5°C). Throughout May nights, Hartford registers an average low-temperature of 45.7°F (7.6°C).

Humidity

The average relative humidity in May is 75%.

Rainfall

In Hartford, New York, in May, during 15.6 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 159.1 rainfall days, and 29.69" (754mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Hartford aggregates 0.39" (10mm) of snow. Throughout the year, there are 64.7 snowfall days, and 36.81" (935mm) of snow is accumulated.

Daylight

In Hartford, the average length of the day in May is 14h and 43min.
On the first day of May, sunrise is at 5:45 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine is 8.8h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Hartford. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, the UV index of 5 transforms into the following advice:
Make use of precautions - It is urged to ward off sun damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in May?

Hartford in May has an average high-temperature of 67.1°F (19.5°C) and an average low-temperature of 45.7°F (7.6°C).

What is the average humidity in May?

The average relative humidity in May is 75%.

How many days does it rain in May?

In May, the rain falls for 15.6 days. Throughout May, 2.56" (65mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows in Hartford. During 0.2 snowfall days, in May, Hartford aggregates 0.39" (10mm) of snow.

How many hours of daylight does Hartford have in May?

The average day length in May is 14h and 43min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 5:45 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Hartford have in May?

In May, the average sunshine duration is 8.8h.

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 reading in May?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes 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
Hartford, NY

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

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in May: 45.7°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in May
Hartford, NY

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

Average wind speed in May
Hartford, NY

Average wind speed in May - Hartford, NY
  • Average wind speed in May: 6.2mph

The windiest months (with the highest average wind speed) are January and April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in May
Hartford, NY

Average humidity in May - Hartford, NY
  • Average humidity in May: 75%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).

Average rainfall in May
Hartford, NY

Average rainfall in May - Hartford, NY
  • Average rainfall in May: 2.56"

The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in May
Hartford, NY

Average rainfall days in May - Hartford, NY
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in May
Hartford, NY

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

The month with the highest snowfall is February (10.59").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Hartford, NY

Average snowfall days in May - Hartford, NY
  • Average snowfall days in May: 0.2 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).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 8h and 5min

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 42min).

Average sunshine days in May
Hartford, NY

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

The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (10.8 days).

Average UV index in May
Hartford, NY

Average UV index in May - Hartford, 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
Hartford, NY

Average cloud cover in May - Hartford, 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, August and September (Cloud cover 34).

Average visibility in May
Hartford, NY

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

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

Hartford, New York, USA

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