June weather forecast
Smithtown, NY

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Weather in June

June, the first month of the summer in Smithtown, is an agreeable month, with an average temperature ranging between max 71.8°F (22.1°C) and min 63.5°F (17.5°C).

Temperature

The start of June brings a shift in the average high-temperature, increasing from May's enjoyable 62.6°F (17°C) to a pleasant 71.8°F (22.1°C). Maintaining close parity with daytime warmth, the average nocturnal temperature during June stays at a refreshing 63.5°F (17.5°C).

Humidity

In June, the average relative humidity in Smithtown, New York, is 76%.

Rainfall

In Smithtown, in June, it is raining for 15.8 days, with typically 2.95" (75mm) of accumulated precipitation. In Smithtown, during the entire year, the rain falls for 155.9 days and collects up to 35.94" (913mm) of precipitation.

Snowfall

April through October are months without snowfall in Smithtown.

Daylight

The month with the longest days is June, with an average of 15h and 6min of daylight.
On the first day of the month, sunrise is at 5:22 am and sunset at 8:18 pm. On the last day of June, sunrise is at 5:24 am and sunset at 8:28 pm EDT.

Sunshine

In June, the average sunshine in Smithtown is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 6 during June translates into the following guidance:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What are the temperatures in Smithtown in June?

The high-temperature in Smithtown during June is 71.8°F (22.1°C) and the low-temperature is 63.5°F (17.5°C).

What is the average humidity in June in Smithtown?

In Smithtown, the average relative humidity in June is 76%.

How many days does it rain in June in Smithtown?

In Smithtown, New York, in June, during 15.8 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

When it does not snow in Smithtown?

In Smithtown, New York, snow does not fall in April through October.

When are the longest days in Smithtown?

With an average of 15h and 6min of daylight, June has the longest days of the year in Smithtown, New York.

How many hours of daylight does Smithtown have in June?

The average day length in June in Smithtown is 15h and 4min.

When is the sunrise / sunset in June in Smithtown?

On the first day of June in Smithtown, New York, sunrise is at 5:22 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:28 pm EDT.

How long on average sun shines in June in Smithtown?

In June, the average sunshine duration is 10.1h.

What is the month with the highest UV index in Smithtown?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index reading in June in Smithtown?

In June, the average daily maximum UV index in Smithtown, New York, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Smithtown, NY

Average temperature in June - Smithtown, NY
  • Average high temperature in June: 71.8°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in June: 63.5°F

The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

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Average pressure in June
Smithtown, NY

Average pressure in June - Smithtown, NY
  • Average pressure in June: 29.93"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).

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Average wind speed in June
Smithtown, NY

Average wind speed in June - Smithtown, NY
  • Average wind speed in June: 8.6mph

The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average humidity in June
Smithtown, NY

Average humidity in June - Smithtown, NY
  • Average humidity in June: 76%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in June
Smithtown, NY

Average rainfall in June - Smithtown, NY
  • Average rainfall in June: 2.95"

The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is January (2.2").

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Average rainfall days in June
Smithtown, NY

Average rainfall days in June - Smithtown, NY
  • Average rainfall days in June: 15.8 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in June
Smithtown, NY

Average snowfall in June - Smithtown, NY
  • Average snowfall in June: 0"

The month with the highest snowfall is March (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in June
Smithtown, NY

Average snowfall days in June - Smithtown, NY
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in June /
Average sunshine in June
Smithtown, NY

Average daylight in June / Average sunshine in June - Smithtown, NY
  • Average daylight in June: 15h and 1min

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 June: 10h and 1min

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).

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Average sunshine days in June
Smithtown, NY

Average sunshine days in June - Smithtown, NY
  • Average sunshine days in June: 12.3 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in June
Smithtown, NY

Average UV index in June - Smithtown, NY
  • Average UV index in June: 6

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).

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Average cloud cover in June
Smithtown, NY

Average cloud cover in June - Smithtown, NY
  • Average cloud cover in June: 33

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in June
Smithtown, NY

Average visibility in June - Smithtown, NY
  • Average visibility in June: 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).

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Smithtown, New York, USA

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