Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
Williamstown experiences a minor temperature shift with the start of June, with average high-temperatures moving from a pleasant 71.8°F (22.1°C) in May to a warm 79.7°F (26.5°C). During June, Williamstown observes a consistent average nighttime temperature of 63°F (17.2°C).Humidity
The average relative humidity in June is 77%.Rainfall
In Williamstown, in June, it is raining for 15.2 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 154.9 rainfall days, and 30.47" (774mm) of precipitation is accumulated.Snowfall
In Williamstown, New Jersey, snow does not fall in June through October.Daylight
The month with the longest days is June, with an average of 14h and 54min of daylight.On the first day of June in Williamstown, sunrise is at 5:33 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:31 pm EDT.
Sunshine
In Williamstown, the average sunshine in June is 10.1h.UV index
The months with the highest UV index in Williamstown, New Jersey, are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 6 in June transforms into this advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Williamstown in June?
What is the average humidity in June in Williamstown?
How much does it rain in Williamstown in June?
When it does not snow in Williamstown?
Does it snow in Williamstown in June?
When are the longest days in Williamstown?
How many hours of daylight does Williamstown have in June?
When are sunrise and sunset in June in Williamstown?
How many hours of sunshine does Williamstown have in June?
When is the highest UV index in Williamstown?
What is the UV index reading in June in Williamstown?
Average temperature in June
Williamstown, NJ
- Average high temperature in June: 79.7°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in June: 63°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in June
Williamstown, NJ
- Average pressure in June: 29.94"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in June
Williamstown, NJ
- Average wind speed in June: 6.6mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in June
Williamstown, NJ
- Average humidity in June: 77%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in June
Williamstown, NJ
- Average rainfall in June: 2.44"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in June
Williamstown, NJ
- Average rainfall days in June: 15.2 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in June
Williamstown, NJ
- Average snowfall in June: 0"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in June
Williamstown, NJ
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Williamstown, NJ
- Average daylight in June: 14h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- 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 54min).
Average sunshine days in June
Williamstown, NJ
- Average sunshine days in June: 12.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in June
Williamstown, NJ
- Average UV index in June: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Williamstown, NJ
- Average cloud cover in June: 35
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in June
Williamstown, NJ
- 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).
Williamstown, New Jersey, USA
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