Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May brings a change in Henderson Harbor's weather, with average high-temperatures moving from April's fresh 50.5°F (10.3°C) to a refreshing 63.3°F (17.4°C). Throughout the nights in May, Henderson Harbor experiences an average low-temperature of 46.6°F (8.1°C).Humidity
In May, the average relative humidity in Henderson Harbor is 79%.Rainfall
In Henderson Harbor, during May, the rain falls for 15.3 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Henderson Harbor, during the entire year, the rain falls for 158.6 days and collects up to 30.39" (772mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, Henderson Harbor aggregates 0.12" (3mm) of snow. In Henderson Harbor, New York, during the entire year, snow falls for 81.1 days and aggregates up to 36.61" (930mm) of snow.Daylight
In May, the average length of the day is 14h and 46min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:08 pm. On the last day of May, sunrise is at 5:25 am and sunset at 8:39 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In Henderson Harbor, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Henderson Harbor in May?
What is the average humidity in May in Henderson Harbor?
How many days does it rain in May in Henderson Harbor?
What is the last month it snows in Henderson Harbor?
How many hours of daylight does Henderson Harbor have in May?
What time are sunrise and sunset in May in Henderson Harbor?
How many hours of sunshine does Henderson Harbor have in May?
How high is the UV index in May in Henderson Harbor?
Average temperature in May
Henderson Harbor, NY
- Average high temperature in May: 63.3°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in May: 46.6°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in May
Henderson Harbor, NY
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Henderson Harbor, NY
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in May
Henderson Harbor, NY
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and September (77%).
Average rainfall in May
Henderson Harbor, NY
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Henderson Harbor, NY
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is October (17.4 days).
The months with the least rainy days are January and February (7 days).
Average snowfall in May
Henderson Harbor, NY
- Average snowfall in May: 0.12"
The month with the highest snowfall is December (9.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Henderson Harbor, NY
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Henderson Harbor, NY
- Average daylight in May: 14h and 5min
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 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in May
Henderson Harbor, NY
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is September (15 days).
The months with the least sunshine days are January and February (7.3 days).
Average UV index in May
Henderson Harbor, 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).
Average cloud cover in May
Henderson Harbor, NY
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Henderson Harbor, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Henderson Harbor, New York, USA
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