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
With the beginning of May, Black River's average high-temperature sees an increase, transitioning from a fresh 50.5°F (10.3°C) in April to an enjoyable 63.5°F (17.5°C). Throughout the month of May, the average temperature dips to a frosty 46.4°F (8°C) at night.Humidity
In May, the average relative humidity in Black River, New York, is 79%.Rainfall
In Black River, in May, it is raining for 16.6 days, with typically 3.07" (78mm) of accumulated precipitation. In Black River, during the entire year, the rain falls for 163.9 days and collects up to 33.19" (843mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Black River aggregates 0.08" (2mm) of snow. In Black River, during the entire year, snow falls for 84.4 days and aggregates up to 43.58" (1107mm) of snow.Daylight
The average length of the day in May is 14h and 46min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:06 pm. On the last day of May, sunrise is at 5:23 am and sunset at 8:38 pm EDT.
Sunshine
In Black River, the average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during May translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Black River in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May in Black River?
How long on average sun shines in May in Black River?
How high is the UV index in May?
Average temperature in May
Black River, NY
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in May: 46.4°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
Black River, 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
Black River, NY
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in May
Black River, NY
- Average humidity in May: 79%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and September (77%).
Average rainfall in May
Black River, NY
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is October (3.54").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in May
Black River, NY
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is October (17.7 days).
The month with the least rainy days is February (7 days).
Average snowfall in May
Black River, NY
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (10.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Black River, NY
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Black River, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in May
Black River, NY
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in May
Black River, 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
Black River, NY
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Black River, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Black River, New York, USA
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