June weather forecastWilliamstown, PA
June
Weather in June
June, the first month of the summer in Williamstown, is a warm month, with an average temperature fluctuating between 57°F (13.9°C) and 76.6°F (24.8°C).Temperature
Williamstown's weather in June shows a minor rise in the average high-temperature, moving slightly up from May's pleasant 69.3°F (20.7°C) to a moderately hot 76.6°F (24.8°C). Throughout June nights, Williamstown registers an average low-temperature of 57°F (13.9°C).Humidity
In June, the average relative humidity in Williamstown is 80%.Rainfall
In Williamstown, in June, during 15 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Williamstown, during the entire year, the rain falls for 148.4 days and collects up to 25.55" (649mm) of precipitation.Snowfall
In Williamstown, snow does not fall in June through September.Daylight
June has the longest days of the year, with an average of 15h and 0min of daylight.On the first day of June, sunrise is at 5:37 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:41 pm EDT.
Sunshine
The average sunshine in June is 9.7h.UV index
June and July, 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 health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 6 during June morphs into the following directions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Williamstown, PA
- Average high temperature in June: 76.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in June: 57°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in June
Williamstown, PA
- Average pressure in June: 29.94"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in June
Williamstown, PA
- Average wind speed in June: 5.7mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in June
Williamstown, PA
- Average humidity in June: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in June
Williamstown, PA
- Average rainfall in June: 2.2"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in June
Williamstown, PA
- Average rainfall days in June: 15 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in June
Williamstown, PA
- Average snowfall in June: 0"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Williamstown, PA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Williamstown, PA
- Average daylight in June: 15h and 0min
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 June: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in June
Williamstown, PA
- Average sunshine days in June: 12.2 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in June
Williamstown, PA
- Average UV index in June: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in June
Williamstown, PA
- Average cloud cover in June: 37
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in June
Williamstown, PA
- Average visibility in June: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
