June weather forecast and climate
Williston, NY

The first month of the summer, June, is a pleasant month in Williston, New York, with average temperature fluctuating between 55°F (12.8°C) and 73.2°F (22.9°C).

Temperature

In June, the average high-temperature marginally rises, from an enjoyable 66.6°F (19.2°C) in May, to a pleasant 73.2°F (22.9°C). In June, in Williston, the average low-temperature is 55°F (12.8°C).

Humidity

In Williston, New York, the average relative humidity is 78%.

Rainfall

In June, the rain falls for 14.1 days. Throughout June, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Williston, there are 161.8 rainfall days, and 21.93" (557mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

June has the longest days of the year, with an average of 15.3h of daylight.

Sunshine

The average sunshine in Williston is 9.3h.

UV index

In Williston, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: In June, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in June in Williston?

The average high-temperature, in June, is 73.2°F (22.9°C), while the average low-temperature is 55°F (12.8°C).

What is the average humidity in June in Williston?

In Williston, the average relative humidity in June is 78%.

How much does it rain in Williston in June?

In Williston, in June, during 14.1 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

Does it snow in Williston in June?

In June, in Williston, New York, it doesn't snow. May is the latest month when it typically snows.

When it does not snow in Williston?

In Williston, New York, snow does not fall in June through September.

When are the longest days in Williston?

With an average of 15.3h of daylight, June has the longest days of the year.

How many hours of daylight does Williston have in June?

The average length of the day in June is 15.3h.

How many hours of sunshine does Williston have in June?

In June, the average sunshine in Williston, New York, is 9.3h.

How high is the UV index in June in Williston?

In June, the average daily maximum UV index in Williston is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in June - Williston, NY
  • Average high temperature in June: 22.9°C

The warmest month (with the highest average high temperature) is July (26.2°C).
The month with the lowest average high temperature is January (-1.7°C).

  • Average low temperature in June: 12.8°C

The month with the highest average low temperature is July (16.1°C).
The coldest month (with the lowest average low temperature) is January (-7.7°C).

Average pressure in June - Williston, NY
  • Average pressure in June: 1013.4mbar

The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).

Average wind speed in June - Williston, NY
  • Average wind speed in June: 11.2km/h

The windiest month (with the highest average wind speed) is January (16.6km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).

Average humidity in June - Williston, NY
  • Average humidity in June: 78%

Months with the highest relative humidity are January and February (87%).
Months with the lowest relative humidity are May, July and August (77%).

Average rainfall in June - Williston, NY
  • Average rainfall in June: 48mm

The wettest month (with the highest rainfall) is May (62mm).
The driest month (with the least rainfall) is September (34mm).

Average rainfall days in June - Williston, NY
  • Average rainfall days in June: 14.1 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (6.8 days).

Average snowfall in June - Williston, NY
  • Average snowfall in June: 0mm

The month with the highest snowfall is February (168mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (19 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June / Average sunshine in June - Williston, NY
  • Average daylight in June: 15.3h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in June: 9.3h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 2.3h).

Average sunshine days in June - Williston, NY
  • Average sunshine days in June: 13.4 days

The month with the most sunshine days is June (13.4 days).
The month with the least sunshine days is February (6.7 days).

Average UV index in June - Williston, NY
  • Average UV index in June: 5

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

Average cloud cover in June - Williston, NY
  • Average cloud cover in June: 40

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in June - Williston, NY
  • Average visibility in June: 9km

Months with the highest visibility are April, May, June, July, August, September, October and November (9km).
Months with the lowest visibility are January, February, March and December (8km).