July weather forecast
Groton, NY

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Weather in July

July is a warm summer month in Groton, New York, with an average temperature varying between 58.3°F (14.6°C) and 78.4°F (25.8°C).

Temperature

The temperatures reach their highest averages in July, with highs of 78.4°F (25.8°C) and lows of 58.3°F (14.6°C).

Humidity

In July, the average relative humidity in Groton is 80%.

Rainfall

In July, in Groton, the rain falls for 17.1 days. Throughout July, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 143 rainfall days, and 21.3" (541mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Groton.

Daylight

The average length of the day in July in Groton is 14h and 56min.
On the first day of July, sunrise is at 5:32 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:26 pm EDT.

Sunshine

With an average of 10.2h of sunshine, July has the most sunshine of the year.

UV index

July is the month with the highest UV index in Groton, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What time of the year is the hottest in Groton?

July, noted for its average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 58.3°F (14.6°C), is considered the warmest month in Groton, New York.

What are July temperatures in Groton?

In Groton, in July, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 58.3°F (14.6°C).

What is the average humidity in July in Groton?

In July, the average relative humidity in Groton is 80%.

How many days does it rain in July in Groton?

In Groton, in July, it is raining for 17.1 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow in Groton?

In Groton, snow does not fall in June through September.

What is the average length of the day in July in Groton?

The average day length in July in Groton is 14h and 56min.

When are sunrise and sunset in July in Groton?

In July, on the first day of the month, sunrise is at 5:32 am and sunset at 8:46 pm. On the last day of the month, in Groton, New York, sunrise is at 5:57 am and sunset at 8:26 pm EDT.

What month has the most sunshine in Groton?

The month with the most sunshine in Groton is July, with an average of 10.2h of sunshine.

How long on average sun shines in July in Groton?

The average sunshine duration in July in Groton is 10.2h.

What is the month with the highest UV index in Groton?

July is the month with the highest UV index, with an average maximum UV index of 6.

How high is the UV index in July in Groton?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from 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 July
Groton, NY

Average temperature in July - Groton, NY
  • Average high temperature in July: 78.4°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in July: 58.3°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

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Average pressure in July
Groton, NY

Average pressure in July - Groton, NY
  • Average pressure in July: 29.96"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).

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Average wind speed in July
Groton, NY

Average wind speed in July - Groton, NY
  • Average wind speed in July: 5.9mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

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Average humidity in July
Groton, NY

Average humidity in July - Groton, NY
  • Average humidity in July: 80%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).

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Average rainfall in July
Groton, NY

Average rainfall in July - Groton, NY
  • Average rainfall in July: 2.24"

The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is January (1.06").

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Average rainfall days in July
Groton, NY

Average rainfall days in July - Groton, NY
  • Average rainfall days in July: 17.1 days

The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is February (5.2 days).

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Average snowfall in July
Groton, NY

Average snowfall in July - Groton, NY
  • Average snowfall in July: 0"

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

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Average snowfall days in July
Groton, NY

Average snowfall days in July - Groton, NY
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Groton, NY

Average daylight in July / Average sunshine in July - Groton, NY
  • Average daylight in July: 14h and 5min

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

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

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Average sunshine days in July
Groton, NY

Average sunshine days in July - Groton, NY
  • Average sunshine days in July: 12.1 days

The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is February (9.3 days).

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Average UV index in July
Groton, NY

Average UV index in July - Groton, NY
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in July
Groton, NY

Average cloud cover in July - Groton, NY
  • Average cloud cover in July: 36

The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 36).

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Average visibility in July
Groton, NY

Average visibility in July - Groton, NY
  • Average visibility in July: 5mi

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

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Groton, New York, USA

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