Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average sea temperature in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
The arrival of June in Groton witnesses a small shift in the average high-temperature, moving from a comfortable 63.3°F (17.4°C) in May to a pleasant 71.4°F (21.9°C). In Groton, the nighttime temperature averages to a moderate 59°F (15°C) during June.Humidity
June is the most humid month, with an average relative humidity of 80%.Rainfall
In Groton, in June, it is raining for 15 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 159.8 rainfall days, and 33.07" (840mm) of precipitation is accumulated.Snowfall
In Groton, Connecticut, snow does not fall in May through October.Ocean temperature
In Groton, in June, the average water temperature is 62.1°F (16.7°C).Note: Swimming in 62.1°F (16.7°C) is not an enjoyable experience for most. Breathing becomes progressively more challenging as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).
Daylight
June has the longest days of the year in Groton, Connecticut, with an average of 15h and 6min of daylight.On the first day of the month, sunrise is at 5:16 am and sunset at 8:15 pm. On the last day of June, in Groton, sunrise is at 5:18 am and sunset at 8:25 pm EDT.
Sunshine
In Groton, the average sunshine in June is 9.5h.UV index
The months with the highest UV index in Groton, Connecticut, are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during June leads to these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the temperature in June in Groton?
What is the most humid month in Groton?
What is the average humidity in June in Groton?
How many days does it rain in June in Groton?
When it does not snow in Groton?
What is the ocean temperature in June in Groton?
When are the longest days in Groton?
How many hours of daylight does Groton have in June?
What time are sunrise and sunset in June in Groton?
How long on average sun shines in June in Groton?
What is the month with the highest UV index in Groton?
How high is the UV index in June in Groton?
Average temperature in June
Groton, CT
- Average high temperature in June: 71.4°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in June: 59°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in June
Groton, CT
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
Groton, CT
- Average wind speed in June: 8.1mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in June
Groton, CT
- Average humidity in June: 80%
The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in June
Groton, CT
- Average rainfall in June: 2.72"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in June
Groton, CT
- Average rainfall days in June: 15 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in June
Groton, CT
- Average snowfall in June: 0"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Groton, CT
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in June
Groton, CT
- Average sea temperature in June: 62°F
The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).
Average daylight in June /
Average sunshine in June
Groton, 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 12min).
- Average sunshine in June: 9h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in June
Groton, CT
- Average sunshine days in June: 12.8 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (12.5 days).
Average UV index in June
Groton, 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
Groton, CT
- Average cloud cover in June: 37
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in June
Groton, 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).
Groton, Connecticut, USA
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