June weather forecastBarnstable, MA

June

Weather in June

June welcomes summer, presenting a warmer temperature spectrum. The frequent and significant sunshine lends a vibrant hue to the town, bringing the seaside culture back to life. With the sea temperature touching 57.7°F (14.3°C), beach life begins to flourish in Barnstable, coaxing residents towards fun-filled outdoor activities. Coherent with the previous month, light summer clothing would help cope with the weather while sunblock becomes a necessity. The refreshing sea breeze soothes the warm days, and the evenings remind us of the bygone Spring.

Temperature

Barnstable's transition into June sees a mild rise in the average high-temperature, edging from a refreshing 55.6°F (13.1°C) in May to an enjoyable 64°F (17.8°C). During the nights of June, Barnstable maintains an almost steady temperature with an average low of 59.4°F (15.2°C).

Humidity

May through July, with an average relative humidity of 83%, are the most humid months in Barnstable.

Rainfall

In Barnstable, during June, the rain falls for 11.5 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 129.6 rainfall days, and 13.94" (354mm) of precipitation is accumulated.

Snowfall

May through November are months without snowfall.

Ocean temperature

In Barnstable, in June, the average water temperature is 57.7°F (14.3°C).
Note: Danger awaits those who swim in 57.7°F (14.3°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.

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 5:08 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:19 pm EDT.

Sunshine

In June, the average sunshine is 9.5h.

UV index

The average daily maximum UV index in June is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In June, a daily maximum UV index of 5 leads to the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during June is 64°F (17.8°C) and the low-temperature is 59.4°F (15.2°C).

May through July, with an average relative humidity of 83%, are most humid months.

The average relative humidity in June is 83%.

In June, the rain falls for 11.5 days. Throughout June, 1.1" (28mm) of precipitation is accumulated.

May through November are months without snowfall.

In Barnstable, the average seawater temperature in June is 57.7°F (14.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

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

In Barnstable, the average day length in June is 15h and 10min.

In June, on the first day of the month, sunrise is at 5:08 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:19 pm EDT.

In June, the average sunshine duration is 9.5h.

In June, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M June J A S O N D

May

June

Jul

Average high temperature

55.6°F

64°F

72.1°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.8mph

11.9mph

11.2mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

13.2

11.5

12.9

Average snowfall

Average snowfall days

0.1

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

15.9

16.6

16.7

Average UV index

Average cloud cover

Average visibility

Average temperature in June
Barnstable, MA

Average high temperature in June: 64°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).

Average low temperature in June: 59.4°F

The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

Average pressure in June
Barnstable, MA

Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in June
Barnstable, MA

Average wind speed in June: 11.2mph

The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).

Average humidity in June
Barnstable, MA

Average humidity in June: 83%

The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).

Average rainfall in June
Barnstable, MA

Average rainfall in June: 1.1"

The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is August (0.94").

Average rainfall days in June
Barnstable, MA

Average rainfall days in June: 11.5 days

The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (8.1 days).

Average snowfall in June
Barnstable, MA

Average snowfall in June: 0"

The months with the highest snowfall are January and February (0.63").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in June
Barnstable, MA

Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in June
Barnstable, MA

Average sea temperature in June: 57.7°F

The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

Average daylight in June /
Average sunshine in June
Barnstable, 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 12min).

Average sunshine in June: 9h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in June
Barnstable, MA

Average sunshine days in June: 16.6 days

The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (14.8 days).

Average UV index in June
Barnstable, MA

Average UV index in June: 5

The months with the highest UV index are 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
Barnstable, MA

Average cloud cover in June: 36

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in June
Barnstable, MA

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).