June weather forecast
Cos Cob, CT

Share

Weather in June

Jul marks the beginning of summer in Cos Cob. The weather is distinctively warmer than May, making ice-creams and shades a necessity. The high and low temperature in June oscillates between 74.7°F (23.7°C) and 61.5°F (16.4°C), introducing a delightful chance for beach getaways. With a generous 15.1 daylight hours, the days are long and ripe for exploration. In conclusion, June ushers in the start of the beloved summer, making the most of the clear skies and warm weather.

Temperature

As June sets in Cos Cob, Connecticut, the average high-temperature shows a slight increase, moving up from an enjoyable 66.2°F (19°C) in May to a moderately hot 74.7°F (23.7°C). Throughout the month of June, Cos Cob sees a steady low-temperature average of 61.5°F (16.4°C).

Humidity

The average relative humidity in June is 74%.

Rainfall

In Cos Cob, during June, the rain falls for 17 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Cos Cob, during the entire year, the rain falls for 165.6 days and collects up to 37.64" (956mm) of precipitation.

Snowfall

In Cos Cob, snow does not fall in May through October.

Ocean temperature

In June, the average ocean temperature is 63°F (17.2°C).
Note: Most people do not find pleasure in swimming when the water temperature is 63°F (17.2°C). Breathing becomes increasingly difficult to manage as the water temperature drops from 69.8°F (21°C) to 59°F (15°C).

Daylight

With an average of 15h and 6min of daylight, June has the longest days of the year.
On the first day of June in Cos Cob, sunrise is at 5:24 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:30 pm EDT.

Sunshine

In June, the average sunshine is 9.5h.

UV index

The months with the highest UV index in Cos Cob are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 during June leads to these advisories:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in June in Cos Cob?

During June, Cos Cob experiences an average high-temperature of 74.7°F (23.7°C) and a low-temperature of 61.5°F (16.4°C).

What is the average humidity in June in Cos Cob?

In June, the average relative humidity in Cos Cob is 74%.

How many days does it rain in June in Cos Cob?

In Cos Cob, during June, the rain falls for 17 days and regularly aggregates up to 3.27" (83mm) of precipitation.

When it does not snow in Cos Cob?

In Cos Cob, snow does not fall in May through October.

How cold is the water in June in Cos Cob?

In Cos Cob, Connecticut, in June, the average water temperature is 63°F (17.2°C). For swimming, a surface water temperature of 63°F (17.2°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

When are the longest days in Cos Cob?

With an average of 15h and 6min of daylight, June has the longest days of the year.

What is the average length of the day in June in Cos Cob?

In Cos Cob, Connecticut, the average day length in June is 15h and 5min.

What time are sunrise and sunset in June in Cos Cob?

In June, on the first day of the month, sunrise is at 5:24 am and sunset at 8:20 pm. On the last day of the month, in Cos Cob, Connecticut, sunrise is at 5:25 am and sunset at 8:30 pm EDT.

How long on average sun shines in June in Cos Cob?

The average sunshine duration in June is 9.5h.

What are the months with the highest UV index in Cos Cob?

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

What is the UV index intensity in June in Cos Cob?

The average daily maximum UV index in June in Cos Cob is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
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
Cos Cob, CT

Average temperature in June - Cos Cob, CT
  • Average high temperature in June: 74.7°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in June: 61.5°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in June
Cos Cob, CT

Average pressure in June - Cos Cob, CT
  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in June
Cos Cob, CT

Average wind speed in June - Cos Cob, CT
  • Average wind speed in June: 7mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in June
Cos Cob, CT

Average humidity in June - Cos Cob, CT
  • Average humidity in June: 74%

The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (71%).

Average rainfall in June
Cos Cob, CT

Average rainfall in June - Cos Cob, CT
  • Average rainfall in June: 3.27"

The wettest month (with the highest rainfall) is July (4.13").
The driest months (with the least rainfall) are January and February (2.4").

Average rainfall days in June
Cos Cob, CT

Average rainfall days in June - Cos Cob, CT
  • Average rainfall days in June: 17 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in June
Cos Cob, CT

Average snowfall in June - Cos Cob, CT
  • Average snowfall in June: 0"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Cos Cob, CT

Average snowfall days in June - Cos Cob, CT
  • 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, September and October (0 days).

Average sea temperature in June
Cos Cob, CT

Average sea temperature in June - Cos Cob, CT
  • Average sea temperature in June: 63°F

The best month for swimming (with the highest average sea temperature) is August (73.1°F).
The coldest month (with the lowest average sea temperature) is February (39.5°F).

Average daylight in June /
Average sunshine in June
Cos Cob, CT

Average daylight in June / Average sunshine in June - Cos Cob, CT
  • Average daylight in June: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 9h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in June
Cos Cob, CT

Average sunshine days in June - Cos Cob, CT
  • Average sunshine days in June: 10.7 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in June
Cos Cob, CT

Average UV index in June - Cos Cob, CT
  • 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
Cos Cob, CT

Average cloud cover in June - Cos Cob, CT
  • Average cloud cover in June: 37

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in June
Cos Cob, CT

Average visibility in June - Cos Cob, CT
  • 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).

Cos Cob, Connecticut, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location