May weather forecast
Northwest Harbor, NY

Share

Weather in May

May, the last month of the spring in Northwest Harbor, is a mild month, with an average temperature ranging between max 58.1°F (14.5°C) and min 52.7°F (11.5°C).

Temperature

Northwest Harbor's transition into May sees a mild rise in the average high-temperature, edging from a frosty 49.8°F (9.9°C) in April to a moderate 58.1°F (14.5°C). Northwest Harbor observes a consistent average low-temperature of 52.7°F (11.5°C) throughout May nights.

Humidity

The months with the highest humidity are May and June, with an average relative humidity of 82%.

Rainfall

In Northwest Harbor, during May, the rain falls for 14.8 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, in Northwest Harbor, there are 148 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Northwest Harbor. May is the last month it regularly snows in Northwest Harbor. During 0.1 snowfall days, in May, Northwest Harbor aggregates 0.16" (4mm) of snow. In Northwest Harbor, New York, during the entire year, snow falls for 12.6 days and aggregates up to 5.94" (151mm) of snow.

Daylight

The average length of the day in May is 14h and 29min.
On the first day of May, sunrise is at 5:45 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:14 pm EDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In May, the maximum UV index of 5 suggests this advice:
Be vigilant - Preventing sunburn is recommended. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The average high-temperature and low-temperature during May are 58.1°F (14.5°C) and 52.7°F (11.5°C) respectively.

What is the most humid month?

May and June, with an average relative humidity of 82%, are most humid months.

What is the average humidity in May?

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

How much does it rain in May?

In Northwest Harbor, in May, it is raining for 14.8 days, with typically 2.83" (72mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Northwest Harbor aggregates 0.16" (4mm) of snow.

What is the average length of the day in May?

In May, the average day length in Northwest Harbor is 14h and 29min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:45 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:14 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.8h.

How high is the UV index in May?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents 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
Northwest Harbor, NY

Average temperature in May - Northwest Harbor, NY
  • Average high temperature in May: 58.1°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 52.7°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

Average pressure in May
Northwest Harbor, NY

Average pressure in May - Northwest Harbor, NY
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Northwest Harbor, NY

Average wind speed in May - Northwest Harbor, NY
  • Average wind speed in May: 12.4mph

The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is July (10.8mph).

Average humidity in May
Northwest Harbor, NY

Average humidity in May - Northwest Harbor, NY
  • Average humidity in May: 82%

The months with the highest relative humidity are May and June (82%).
The month with the lowest relative humidity is November (72%).

Average rainfall in May
Northwest Harbor, NY

Average rainfall in May - Northwest Harbor, NY
  • Average rainfall in May: 2.83"

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in May
Northwest Harbor, NY

Average rainfall days in May - Northwest Harbor, NY
  • Average rainfall days in May: 14.8 days

The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in May
Northwest Harbor, NY

Average snowfall in May - Northwest Harbor, NY
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (1.97").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Northwest Harbor, NY

Average snowfall days in May - Northwest Harbor, NY
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Northwest Harbor, NY

Average daylight in May / Average sunshine in May - Northwest Harbor, NY
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in May
Northwest Harbor, NY

Average sunshine days in May - Northwest Harbor, NY
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is November (18.4 days).
The months with the least sunshine days are July and August (13.3 days).

Average UV index in May
Northwest Harbor, NY

Average UV index in May - Northwest Harbor, NY
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in May
Northwest Harbor, NY

Average cloud cover in May - Northwest Harbor, NY
  • Average cloud cover in May: 43

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in May
Northwest Harbor, NY

Average visibility in May - Northwest Harbor, NY
  • Average visibility in May: 6mi

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

Northwest Harbor, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location