June weather forecast
Wellesley, MA

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Weather in June

June, the first month of the summer in Wellesley, is a moderately hot month, with an average temperature ranging between max 75.2°F (24°C) and min 56.5°F (13.6°C).

Temperature

June comes with a subtle rise, with the average high-temperature adjusting from an enjoyable 67.1°F (19.5°C) in May to a moderately hot 75.2°F (24°C). During June, the average low-temperature is a refreshing 56.5°F (13.6°C).

Humidity

The average relative humidity in June is 75%.

Rainfall

In June, the rain falls for 14.7 days. Throughout June, 2.13" (54mm) of precipitation is accumulated. In Wellesley, during the entire year, the rain falls for 141.8 days and collects up to 24.21" (615mm) of precipitation.

Snowfall

June through September are months without snowfall.

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 5:10 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:25 pm EDT.

Sunshine

In Wellesley, the average sunshine in June is 9.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 6 in June leads to these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are June temperatures?

The average high-temperature, in June, in Wellesley, is 75.2°F (24°C), while the average low-temperature is 56.5°F (13.6°C).

What is the average humidity in June in Wellesley?

The average relative humidity in June is 75%.

How much does it rain in Wellesley in June?

In Wellesley, in June, during 14.7 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall in Wellesley.

Does it snow in June?

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

When are the longest days?

The month with the longest days is June, with an average of 15h and 12min of daylight.

What is the average length of the day in June in Wellesley?

In Wellesley, the average day length in June is 15h and 13min.

What time are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:10 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:25 pm EDT.

How long on average sun shines in June?

In June, the average sunshine duration is 9.2h.

When is the highest UV index?

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

What is the UV index intensity in June?

In June, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
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
Wellesley, MA

Average temperature in June - Wellesley, MA
  • Average high temperature in June: 75.2°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in June: 56.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in June
Wellesley, MA

Average pressure in June - Wellesley, MA
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in June
Wellesley, MA

Average wind speed in June - Wellesley, MA
  • Average wind speed in June: 6.3mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in June
Wellesley, MA

Average humidity in June - Wellesley, MA
  • Average humidity in June: 75%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).

Average rainfall in June
Wellesley, MA

Average rainfall in June - Wellesley, MA
  • Average rainfall in June: 2.13"

The wettest month (with the highest rainfall) is March (2.4").
The driest month (with the least rainfall) is September (1.18").

Average rainfall days in June
Wellesley, MA

Average rainfall days in June - Wellesley, MA
  • Average rainfall days in June: 14.7 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in June
Wellesley, MA

Average snowfall in June - Wellesley, MA
  • Average snowfall in June: 0"

The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Wellesley, MA

Average snowfall days in June - Wellesley, MA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Wellesley, MA

Average daylight in June / Average sunshine in June - Wellesley, MA
  • Average daylight in June: 15h and 1min

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 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in June
Wellesley, MA

Average sunshine days in June - Wellesley, MA
  • Average sunshine days in June: 13.5 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is April (13.2 days).

Average UV index in June
Wellesley, MA

Average UV index in June - Wellesley, 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
Wellesley, MA

Average cloud cover in June - Wellesley, MA
  • Average cloud cover in June: 41

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in June
Wellesley, MA

Average visibility in June - Wellesley, MA
  • Average visibility in June: 6mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).

Wellesley, Massachusetts, USA

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