July weather forecast
Jamaica, IA

Share

Weather in July

July, the same as June, is another warm summer month in Jamaica, Iowa, with an average temperature fluctuating between 64.9°F (18.3°C) and 82°F (27.8°C).

Temperature

The warmest period is July, when temperatures fluctuate between an average high of 82°F (27.8°C) and a low of 64.9°F (18.3°C).

Heat index

For most parts of July, the heat index is appraised at a tropical 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Observations indicate that the heat index values are for shady locations with light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. 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 extremely vital to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In Jamaica, the average relative humidity in July is 82%.

Rainfall

In Jamaica, 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.

Daylight

In July, the average length of the day is 14h and 52min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:56 pm. On the last day of July, sunrise is at 6:10 am and sunset at 8:36 pm CDT.

Sunshine

The month with the most sunshine is July, with an average of 10.3h of sunshine.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In July, the UV index of 6 transforms into the following advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What part of the year is the hottest?

July, characterized by an average high temperature of 82°F (27.8°C) and a low temperature of 64.9°F (18.3°C), is generally the warmest month.

What is the average July temperature?

An average high-temperature, in July, in Jamaica, is 82°F (27.8°C) and the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in July is appraised at 89.6°F (32°C).

What is the average humidity in July?

The average relative humidity in July is 82%.

How much does it rain in July?

In Jamaica, in July, during 14.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow?

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

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

In Jamaica, the average day length in July is 14h and 52min.

When is the sunrise / sunset in July?

In July, on the first day of the month, 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.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.3h of sunshine.

How long on average sun shines in July?

The average sunshine duration in July is 10.3h.

What is the month with the highest UV index?

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

What is the UV index intensity in July?

In Jamaica, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
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
Jamaica, IA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location