July weather forecast
Lewiston, NY

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Weather in July

July in Lewiston, New York, is a moderately hot summer month, with an average temperature varying between 78.1°F and 64.8°F.

Temperature

July brings the highest temperatures, with an average high of 78.1°F and an average low of 64.8°F.

Humidity

In July, the average relative humidity in Lewiston is 75%.

Rainfall

July is the month with the most rainfall in Lewiston. Rain falls for 17.5 days and accumulates 3.11" of precipitation.

Snowfall

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

Daylight

The average length of the day in July in Lewiston is 15h and 0min.
On the first day of the month, sunrise is at 5:40 am and sunset at 8:59 pm. On the last day of July, sunrise is at 6:05 am and sunset at 8:39 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index in Lewiston, New York, are July and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 during July translates into the following guidance:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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FAQ

What part of the year is the hottest in Lewiston?

The warmest period in Lewiston tends to be July, when average temperatures fluctuate between a high of 78.1°F and a low of 64.8°F.

What are July temperatures in Lewiston?

July temperatures in Lewiston vary between a high-temperature of 78.1°F and a low-temperature of 64.8°F.

What is the average humidity in July in Lewiston?

The average relative humidity in July in Lewiston, New York, is 75%.

What is the wettest month in Lewiston?

The month with the most rainfall in Lewiston is July, when the rain falls for 17.5 days and typically aggregates up to 3.11" of precipitation.

How many days does it rain in July in Lewiston?

In Lewiston, New York, in July, during 17.5 rainfall days, 3.11" of precipitation is typically accumulated.

When it does not snow in Lewiston?

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

How many hours of daylight does Lewiston have in July?

In Lewiston, the average day length in July is 15h and 0min.

When is the sunrise / sunset in July in Lewiston?

In July, on the first day of the month, sunrise is at 5:40 am and sunset at 8:59 pm. On the last day of the month, in Lewiston, New York, sunrise is at 6:05 am and sunset at 8:39 pm EDT.

What month has the most sunshine in Lewiston?

With an average of 10.6h of sunshine, July has the most sunshine of the year in Lewiston.

How many hours of sunshine does Lewiston have in July?

The average sunshine duration in July in Lewiston is 10.6h.

What are the months with the highest UV index in Lewiston?

July and August, with an average maximum UV index of 6, are months with the highest UV index in Lewiston.

What is the UV index intensity in July in Lewiston?

In Lewiston, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Lewiston, NY

Average temperature in July - Lewiston, NY
  • Average high temperature in July: 78.1°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in July: 64.8°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in July
Lewiston, NY

Average pressure in July - Lewiston, NY
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in July
Lewiston, NY

Average wind speed in July - Lewiston, NY
  • Average wind speed in July: 7.1mph

The windiest month (with the highest average wind speed) is January (12.3mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in July
Lewiston, NY

Average humidity in July - Lewiston, NY
  • Average humidity in July: 75%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and September (74%).

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Average rainfall in July
Lewiston, NY

Average rainfall in July - Lewiston, NY
  • Average rainfall in July: 3.11"

The wettest month (with the highest rainfall) is July (3.11").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in July
Lewiston, NY

Average rainfall days in July - Lewiston, NY
  • Average rainfall days in July: 17.5 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in July
Lewiston, NY

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

The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Lewiston, NY

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

The month with the highest number of snowfall days is January (16.8 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
Lewiston, NY

Average daylight in July / Average sunshine in July - Lewiston, NY
  • Average daylight in July: 15h and 0min

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 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in July
Lewiston, NY

Average sunshine days in July - Lewiston, NY
  • Average sunshine days in July: 11.3 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (6.8 days).

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Average UV index in July
Lewiston, NY

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

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in July
Lewiston, NY

Average cloud cover in July - Lewiston, NY
  • Average cloud cover in July: 29

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in July
Lewiston, NY

Average visibility in July - Lewiston, NY
  • Average visibility in July: 6mi

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

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Lewiston, New York, USA

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