July weather forecastJamaica, NY
July
Weather in July
July is a moderately hot summer month in Jamaica, New York, with an average temperature ranging between max 80.6°F (27°C) and min 70.9°F (21.6°C).Temperature
Jamaica registers the highest average temperatures during the month of July, with peaks of 80.6°F (27°C) and lows of 70.9°F (21.6°C).Heat index
July's average heat index is computed to be 84.2°F (29°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.For clarity, heat index numbers account for light winds and areas under shade. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The average relative humidity in July in Jamaica is 75%.Rainfall
The months with the most rainfall in Jamaica, New York, are July and August, with an average 2.32" (59mm) of precipitation.Snowfall
In Jamaica, New York, snow does not fall in April through September.Ocean temperature
In July, the average ocean temperature in Jamaica is 72.1°F (22.3°C).Note: For someone sensitive to cold, swimming in 72.1°F (22.3°C) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In Jamaica, the average length of the day in July is 14h and 45min.On the first day of July in Jamaica, sunrise is at 5:28 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:11 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 10.8h of sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during July morphs into the following directions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be wary! Reflections from sand and water make UV radiation more intense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Jamaica, NY
- Average high temperature in July: 80.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in July: 70.9°F
The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in July
Jamaica, 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).
Average wind speed in July
Jamaica, NY
- Average wind speed in July: 8mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in July
Jamaica, NY
- Average humidity in July: 75%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).
Average rainfall in July
Jamaica, NY
- Average rainfall in July: 2.32"
The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in July
Jamaica, NY
- Average rainfall days in July: 15.1 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in July
Jamaica, NY
- Average snowfall in July: 0"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in July
Jamaica, NY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in July
Jamaica, NY
- Average sea temperature in July: 72.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in July /
Average sunshine in July
Jamaica, NY
- Average daylight in July: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in July: 10h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in July
Jamaica, NY
- Average sunshine days in July: 13.6 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in July
Jamaica, NY
- Average UV index in July: 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 July
Jamaica, NY
- Average cloud cover in July: 28
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
Jamaica, NY
- Average visibility in July: 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).





