May weather forecast
Dunkirk, NY

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The Dunkirk Lighthouse, New York, standing alone in this vast field amid trees, with the light at the top, overlooking the dark Lake Eerie
The Dunkirk Lighthouse, New York, standing alone in this vast field amid trees, with the light at the top, overlooking the dark Lake Eerie

Weather in May

Dunkirk gains a new weather rhythm come May. The shift in temperatures continues its upwards trend, yet May remains relatively cool. The fresh spring remains active with nature simultaneously flourishing under 3.23" (82mm) of precipitation. The daylight hours extend further and the UV index begins to rise, indicative of the approaching summer. Despite the ongoing rainfall, May also boasts reasonable visibility at six miles favoring outdoor activities such as bird watching.

Temperature

As May begins in Dunkirk, there is an increase in the average high-temperature, moving from a chilly 48.4°F (9.1°C) in April to a refreshing 59.5°F (15.3°C). In the month of May, the average low-temperature in Dunkirk, New York, usually rests at a frosty 48°F (8.9°C).

Humidity

In Dunkirk, the average relative humidity in May is 82%.

Rainfall

The months with the most rainfall are April and May, with an average 3.23" (82mm) 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, Dunkirk aggregates 0.16" (4mm) of snow. In Dunkirk, during the entire year, snow falls for 61.7 days and aggregates up to 20.67" (525mm) of snow.

Daylight

The average length of the day in May is 14h and 38min.
On the first day of May, sunrise is at 6:11 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:47 pm EDT.

Sunshine

In Dunkirk, New York, the average sunshine in May is 8.9h.

UV index

In Dunkirk, New York, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In May, the UV index of 4 transforms into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Stay sun-safe with clothing that is both closely woven and worn loosely. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What are May temperatures in Dunkirk?

The average high-temperature, in May, in Dunkirk, is 59.5°F (15.3°C), while the average low-temperature is 48°F (8.9°C).

What is the average humidity in May in Dunkirk?

In May, the average relative humidity in Dunkirk, New York, is 82%.

What is the wettest month in Dunkirk?

The months with the most rainfall are April and May, with an average 3.23" (82mm) of precipitation.

How many days does it rain in May in Dunkirk?

In Dunkirk, during May, the rain falls for 17.3 days and regularly aggregates up to 3.23" (82mm) of precipitation.

What is the last month it snows in Dunkirk?

May is the last month it regularly snows in Dunkirk. During 0.3 snowfall days, in May, Dunkirk aggregates 0.16" (4mm) of snow.

How many hours of daylight does Dunkirk have in May?

In May, the average day length in Dunkirk is 14h and 38min.

When are sunrise and sunset in May in Dunkirk?

On the first day of May in Dunkirk, sunrise is at 6:11 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:47 pm EDT.

How long on average sun shines in May in Dunkirk?

In Dunkirk, New York, the average sunshine duration in May is 8.9h.

What is the UV index intensity in May in Dunkirk?

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

Average temperature in May - Dunkirk, NY
  • Average high temperature in May: 59.5°F

The warmest month (with the highest average high temperature) is July (74.8°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 (21.2°F).

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Average pressure in May
Dunkirk, NY

Average pressure in May - Dunkirk, NY
  • Average pressure in May: 29.99"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
Dunkirk, NY

Average wind speed in May - Dunkirk, NY
  • Average wind speed in May: 9.4mph

The windiest month (with the highest average wind speed) is January (14.4mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average humidity in May
Dunkirk, NY

Average humidity in May - Dunkirk, NY
  • Average humidity in May: 82%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are September, October and November (77%).

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Average rainfall in May
Dunkirk, NY

Average rainfall in May - Dunkirk, NY
  • Average rainfall in May: 3.23"

The wettest months (with the highest rainfall) are April and May (3.23").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in May
Dunkirk, NY

Average rainfall days in May - Dunkirk, NY
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is October (19.3 days).
The month with the least rainy days is February (8 days).

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Average snowfall in May
Dunkirk, NY

Average snowfall in May - Dunkirk, NY
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Dunkirk, NY

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

The month with the highest number of snowfall days is January (15.6 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
Dunkirk, NY

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in May
Dunkirk, NY

Average sunshine days in May - Dunkirk, NY
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (6.2 days).

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Average UV index in May
Dunkirk, NY

Average UV index in May - Dunkirk, 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
Dunkirk, NY

Average cloud cover in May - Dunkirk, NY
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Dunkirk, NY

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

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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Dunkirk, New York, USA

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