May weather forecastTonawanda, NY
May
Weather in May
The last month of the spring, May, is a comfortable month in Tonawanda, New York, with an average temperature fluctuating between 66°F (18.9°C) and 48.7°F (9.3°C).Temperature
The transition from April to May brings a temperature rise, with average high-temperatures increasing from a fresh 52.3°F (11.3°C) to a comfortable 66°F (18.9°C). Tonawanda records an average low-temperature of 48.7°F (9.3°C) throughout the month of May.Humidity
In Tonawanda, the average relative humidity in May is 76%.Rainfall
May is the month with the most rainfall. Rain falls for 17.8 days and accumulates 2.87" (73mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Tonawanda. During 0.4 snowfall days, in May, Tonawanda aggregates 0.28" (7mm) of snow. Throughout the year, there are 77.2 snowfall days, and 30.94" (786mm) of snow is accumulated.Ocean temperature
In Tonawanda, in May, the average water temperature is 43.3°F (6.3°C).Note: It is risky to swim in 43.3°F (6.3°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.
Daylight
In Tonawanda, the average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:17 pm. On the last day of May, sunrise is at 5:39 am and sunset at 8:47 pm EDT.
Sunshine
In May, the average sunshine in Tonawanda is 8.8h.UV index
In Tonawanda, New York, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Tonawanda, NY
- Average high temperature in May: 66°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in May
Tonawanda, NY
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Tonawanda, NY
- Average wind speed in May: 7.7mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in May
Tonawanda, NY
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July, August and September (74%).
Average rainfall in May
Tonawanda, NY
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in May
Tonawanda, NY
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in May
Tonawanda, NY
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Tonawanda, NY
- Average snowfall days in May: 0.4 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 sea temperature in May
Tonawanda, NY
- Average sea temperature in May: 43.3°F
The best month for swimming (with the highest average sea temperature) is August (72.9°F).
The coldest month (with the lowest average sea temperature) is March (35.7°F).
Average daylight in May /
Average sunshine in May
Tonawanda, NY
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in May
Tonawanda, NY
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in May
Tonawanda, NY
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Tonawanda, NY
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Tonawanda, 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).
