May weather forecastHewlett, NY
May
Weather in May
May, the last month of the spring in Hewlett, is an enjoyable month, with an average temperature varying between 54.1°F (12.3°C) and 64.6°F (18.1°C).Temperature
With the onset of May, Hewlett's average high-temperature sees a rise, moving from April's cool 54.7°F (12.6°C) to a comfortable 64.6°F (18.1°C). Hewlett's average low-temperature in May is measured at a fresh 54.1°F (12.3°C).Humidity
The most humid month is May, with an average relative humidity of 77%.Rainfall
In Hewlett, in May, it is raining for 14.3 days, with typically 1.65" (42mm) of accumulated precipitation. In Hewlett, during the entire year, the rain falls for 135.3 days and collects up to 18.62" (473mm) of precipitation.Snowfall
In Hewlett, snow does not fall in April through September.Daylight
In May, the average length of the day is 14h and 28min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:26 am and sunset at 8:19 pm EDT.
Sunshine
In Hewlett, the average sunshine in May is 8.9h.UV index
In Hewlett, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 during May translates into the following guidance:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hewlett, NY
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in May
Hewlett, 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
Hewlett, NY
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in May
Hewlett, 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 (72%).
Average rainfall in May
Hewlett, NY
- Average rainfall in May: 1.65"
The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in May
Hewlett, NY
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Hewlett, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
Hewlett, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hewlett, 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: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Hewlett, NY
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in May
Hewlett, 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, November and December (UV index 2).
Average cloud cover in May
Hewlett, NY
- Average cloud cover in May: 42
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Hewlett, 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).
