June weather forecastJefferson, MA
June
Weather in June
June, the first month of the summer in Jefferson, is a moderately hot month, with an average temperature fluctuating between 73.9°F (23.3°C) and 55°F (12.8°C).Temperature
June's onset witnesses a minor shift in the average high-temperature, moving from a comfortable 66.9°F (19.4°C) in May to a warm 73.9°F (23.3°C). In Jefferson, an average low-temperature of 55°F (12.8°C) is recorded during June nights.Humidity
In Jefferson, the average relative humidity in June is 77%.Rainfall
In June, the rain falls for 15.5 days. Throughout June, 2.48" (63mm) of precipitation is accumulated. In Jefferson, Massachusetts, during the entire year, the rain falls for 146.1 days and collects up to 28.94" (735mm) of precipitation.Snowfall
In Jefferson, snow does not fall in June through September.Daylight
June has the longest days of the year, with an average of 15h and 12min of daylight.On the first day of June, sunrise is at 5:12 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 8:28 pm EDT.
Sunshine
In Jefferson, the average sunshine in June is 9h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Jefferson. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during June leads to these advisories:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Jefferson, MA
- Average high temperature in June: 73.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in June: 55°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in June
Jefferson, MA
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
Jefferson, MA
- Average wind speed in June: 6.2mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in June
Jefferson, MA
- Average humidity in June: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall in June
Jefferson, MA
- Average rainfall in June: 2.48"
The wettest month (with the highest rainfall) is December (2.76").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in June
Jefferson, MA
- Average rainfall days in June: 15.5 days
The month with the highest number of rainy days is May (16.3 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in June
Jefferson, MA
- Average snowfall in June: 0"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Jefferson, MA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Jefferson, MA
- Average daylight in June: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in June: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in June
Jefferson, MA
- Average sunshine days in June: 12.8 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in June
Jefferson, MA
- 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, November and December (UV index 2).
Average cloud cover in June
Jefferson, MA
- Average cloud cover in June: 44
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in June
Jefferson, MA
- Average visibility in June: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
