May weather forecastHempstead, NY
May
Weather in May
May marks the deepening of spring in Hempstead, bringing with it increased temperatures and longer daylight hours. While being noticeably warmer than April, May also kicks off the high humidity season that is indicative of the shifting weather patterns. An increase in rainfall to 0.83" (21mm) compliments the rise in temperature, straddling the line between spring showers and early signs of a hot summer. The UV index takes a considerable leap to a rating of five, a definite sign of more intense sunlight during the day. The city's prevailing weather conditions make it an ideal time for residents to relish the outdoors, despite the increased precipitation.Temperature
Hempstead's May weather brings a rise in high-temperatures, moving from a cool 53.8°F (12.1°C) in April to an enjoyable 63.5°F (17.5°C). Throughout May, an average nighttime temperature of 54.3°F (12.4°C) is experienced in Hempstead.Humidity
The most humid month in Hempstead is May, with an average relative humidity of 77%.Rainfall
In Hempstead, during May, the rain falls for 11.4 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Hempstead, there are 105.1 rainfall days, and 8.15" (207mm) of precipitation is accumulated.Snowfall
In Hempstead, snow does not fall in April through November.Daylight
The average length of the day in May is 14h and 28min.On the first day of the month, sunrise is at 5:51 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:25 am and sunset at 8:19 pm EDT.
Sunshine
The average sunshine in May in Hempstead, New York, is 9h.UV index
In Hempstead, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 5 in May leads to these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hempstead, NY
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in May
Hempstead, NY
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Hempstead, NY
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in May
Hempstead, NY
- Average humidity in May: 77%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in May
Hempstead, NY
- Average rainfall in May: 0.83"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in May
Hempstead, NY
- Average rainfall days in May: 11.4 days
The month with the highest number of rainy days is July (12.7 days).
The months with the least rainy days are January and November (5.2 days).
Average snowfall in May
Hempstead, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Hempstead, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Hempstead, NY
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Hempstead, NY
- Average sunshine days in May: 16.2 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in May
Hempstead, NY
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in May
Hempstead, NY
- Average cloud cover in May: 41
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in May
Hempstead, NY
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
