October weather forecast and climate
Hewlett, NY

October, the same as September, is another comfortable autumn month in Hewlett, New York, with average temperature varying between 63°F (17.2°C) and 54.1°F (12.3°C).

Temperature

In Hewlett, the average high-temperature drops, from an agreeable 73.2°F (22.9°C) in September, to a comfortable 63°F (17.2°C). In October, the average low-temperature is 54.1°F (12.3°C).

Humidity

The average relative humidity in Hewlett is 74%.

Rainfall

In Hewlett, during October, the rain falls for 11.4 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Hewlett, there are 135.3 rainfall days, and 18.62" (473mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, October through December. October is the first month it typically snows in Hewlett. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 15.8 snowfall days, and 2.95" (75mm) of snow is accumulated.

Daylight

In Hewlett, the average length of the day is 11.1h.

Sunshine

In Hewlett, the average sunshine is 5.9h.

UV index

In October, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Hewlett?

In Hewlett, in October, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 54.1°F (12.3°C).

What is the average humidity in October in Hewlett?

The average relative humidity in October in Hewlett, New York, is 74%.

How much does it rain in Hewlett in October?

In October, in Hewlett, New York, the rain falls for 11.4 days. Throughout October, 1.61" (41mm) of precipitation is accumulated.

When does it start snowing in Hewlett?

October is the first month it typically snows in Hewlett, New York. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Hewlett have in October?

The average length of the day in October in Hewlett is 11.1h.

How long on average sun shines in October in Hewlett?

The average sunshine in October in Hewlett, New York, is 5.9h.

What is the UV index intensity in October in Hewlett?

In Hewlett, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in October - Hewlett, NY
  • Average high temperature in October: 17.2°C

The warmest month (with the highest average high temperature) is July (27°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in October: 12.3°C

The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).

Average pressure in October - Hewlett, NY
  • Average pressure in October: 1016.5mbar

The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in October - Hewlett, NY
  • Average wind speed in October: 17.8km/h

The windiest month (with the highest average wind speed) is January (19.9km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).

Average humidity in October - Hewlett, NY
  • Average humidity in October: 74%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).

Average rainfall in October - Hewlett, NY
  • Average rainfall in October: 41mm

The wettest months (with the highest rainfall) are July and August (59mm).
The driest month (with the least rainfall) is January (23mm).

Average rainfall days in October - Hewlett, NY
  • Average rainfall days in October: 11.4 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 October - Hewlett, NY
  • Average snowfall in October: 2mm

The month with the highest snowfall is March (26mm).
Months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in October - Hewlett, NY
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (4.6 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in October / Average sunshine in October - Hewlett, NY
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in October: 5.9h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in October - Hewlett, NY
  • Average sunshine days in October: 17.4 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 October - Hewlett, NY
  • Average UV index in October: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in October - Hewlett, NY
  • Average cloud cover in October: 39

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 October - Hewlett, NY
  • Average visibility in October: 10km

Months with the highest visibility are April, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February, March, May and December (9km).