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
In Massena, the average high-temperature in May increases considerably from a cool 50.4°F (10.2°C) in April to a comfortable 64.8°F (18.2°C). The average low-temperature, in Massena, is 46°F (7.8°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Massena, during May, the rain falls for 16.5 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Massena, New York, during the entire year, the rain falls for 160.1 days and collects up to 29.76" (756mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Massena. During 0.5 snowfall days, Massena aggregates 0.12" (3mm) of snow. In Massena, during the entire year, snow falls for 70.6 days and aggregates up to 36.02" (915mm) of snow.Daylight
In Massena, the average length of the day in May is 14h and 52min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:04 pm. On the last day of May, in Massena, sunrise is at 5:16 am and sunset at 8:37 pm EDT.
Sunshine
In Massena, the average sunshine in May is 8.4h.UV index
In Massena, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 4 in May transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the temperature in May in Massena?
What is the average humidity in May in Massena?
How much does it rain in Massena in May?
What is the last month it snows in Massena?
What is the average length of the day in May in Massena?
When are sunrise and sunset in May in Massena?
How many hours of sunshine does Massena have in May?
How high is the UV index in May in Massena?
Average temperature in May
Massena, NY
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Massena, NY
- Average pressure in May: 29.97"Hg
The months with the highest atmospheric pressure are March and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Massena, NY
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in May
Massena, NY
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Massena, NY
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Massena, NY
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in May
Massena, NY
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Massena, NY
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Massena, NY
- Average daylight in May: 14h and 52min
The month with the longest days is June (Average daylight: 15h and 33min).
The month with the shortest days is December (Average daylight: 8h and 51min).
- Average sunshine in May: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in May
Massena, NY
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in May
Massena, 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
Massena, NY
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Massena, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
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