May weather forecastSouth Salem, NY
May
Weather in May
The last month of the spring, May, is a comfortable month in South Salem, New York, with temperature in the range of an average low of 50°F (10°C) and an average high of 67.6°F (19.8°C).Temperature
With the onset of May, South Salem's average high-temperature experiences a rise, moving from April's 56.1°F (13.4°C) to a still refreshing 67.6°F (19.8°C). South Salem records an average low-temperature of 50°F (10°C) throughout the month of May.Humidity
The average relative humidity in May is 77%.Rainfall
In South Salem, in May, it is raining for 13.7 days, with typically 1.22" (31mm) of accumulated precipitation. In South Salem, during the entire year, the rain falls for 123.7 days and collects up to 11.65" (296mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 31min.On the first day of May, sunrise is at 5:50 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:20 pm EDT.
Sunshine
In South Salem, the average sunshine in May is 8.3h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 5 in May leads to these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
South Salem, NY
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in May
South Salem, NY
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
South Salem, NY
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
South Salem, NY
- Average humidity in May: 77%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
South Salem, NY
- Average rainfall in May: 1.22"
The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in May
South Salem, NY
- Average rainfall days in May: 13.7 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in May
South Salem, NY
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.75").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
South Salem, NY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
South Salem, NY
- Average daylight in May: 14h and 30min
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 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
South Salem, NY
- Average sunshine days in May: 15 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in May
South Salem, NY
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
South Salem, NY
- Average cloud cover in May: 47
The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
South Salem, NY
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, July, August, September, October, November and December (6mi).
The months with the lowest visibility are May and June (5mi).
