July weather forecastLewis, NY
July
Weather in July
July in Lewis, New York, is a moderately hot summer month, with an average temperature fluctuating between 78.6°F (25.9°C) and 56.8°F (13.8°C).Temperature
Lewis's warmest weather arrives in July, when temperatures average a high of 78.6°F (25.9°C) and a low of 56.8°F (13.8°C).Humidity
In July, the average relative humidity is 76%.Rainfall
In Lewis, in July, during 18.6 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Lewis, during the entire year, the rain falls for 176.9 days and collects up to 28.27" (718mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in July is 15h and 7min.On the first day of the month, sunrise is at 5:14 am and sunset at 8:41 pm. On the last day of July, sunrise is at 5:41 am and sunset at 8:19 pm EDT.
Sunshine
The month with the most sunshine is July, with an average of 10.4h of sunshine.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 5 in July leads to these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. When the Sun is at its strongest around midday, find shade and limit exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Lewis, NY
- Average high temperature in July: 78.6°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 (24.8°F).
- Average low temperature in July: 56.8°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in July
Lewis, NY
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Lewis, NY
- Average wind speed in July: 5.3mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in July
Lewis, NY
- Average humidity in July: 76%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in July
Lewis, NY
- Average rainfall in July: 2.28"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in July
Lewis, NY
- Average rainfall days in July: 18.6 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in July
Lewis, NY
- Average snowfall in July: 0"
The month with the highest snowfall is February (12.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Lewis, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Lewis, NY
- Average daylight in July: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in July: 10h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in July
Lewis, NY
- Average sunshine days in July: 10.3 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in July
Lewis, NY
- Average UV index in July: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Lewis, NY
- Average cloud cover in July: 32
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in July
Lewis, NY
- Average visibility in July: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
