Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The warmest temperatures occur during July, when averages reach a peak of 82°F (27.8°C) and a low of 64.9°F (18.3°C).Heat index
July's mean heat index is estimated at a hot 89.6°F (32°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In July, the average relative humidity is 82%.Rainfall
In Jamaica, Iowa, during July, the rain falls for 14.8 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Jamaica, there are 131.7 rainfall days, and 26.65" (677mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Jamaica.Daylight
In July, the average length of the day in Jamaica is 14h and 52min.On the first day of July, sunrise is at 5:46 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:36 pm CDT.
Sunshine
With an average of 10.3h of sunshine, July has the most sunshine of the year in Jamaica.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index in Jamaica. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 6 in July translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What time of the year is the hottest in Jamaica?
What is the temperature in July in Jamaica?
What is the average humidity in July in Jamaica?
How many days does it rain in July in Jamaica?
When it does not snow in Jamaica?
What is the average length of the day in July in Jamaica?
When is the sunrise / sunset in July in Jamaica?
What month has the most sunshine in Jamaica?
How many hours of sunshine does Jamaica have in July?
What is the month with the highest UV index in Jamaica?
What is the UV index reading in July in Jamaica?
Average temperature in July
Jamaica, IA
- Average high temperature in July: 82°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in July: 64.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in July
Jamaica, IA
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in July
Jamaica, IA
- Average wind speed in July: 7mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in July
Jamaica, IA
- Average humidity in July: 82%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (69%).
Average rainfall in July
Jamaica, IA
- Average rainfall in July: 2.2"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in July
Jamaica, IA
- Average rainfall days in July: 14.8 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in July
Jamaica, IA
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Jamaica, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Jamaica, IA
- Average daylight in July: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in July
Jamaica, IA
- Average sunshine days in July: 14 days
The months with the most sunshine days are October, November and December (18.9 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in July
Jamaica, IA
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in July
Jamaica, IA
- Average cloud cover in July: 29
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in July
Jamaica, IA
- Average visibility in July: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Jamaica, Iowa, USA
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