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
In Irene, the peak average temperatures are observed in July, with a high of 84.9°F (29.4°C) and a low of 64.9°F (18.3°C).Heat index
Throughout July, the heat index is computed to be a tropical 93.2°F (34°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In Irene, the average relative humidity in July is 71%.Rainfall
In July, in Irene, the rain falls for 13.4 days. Throughout July, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in Irene, there are 117.9 rainfall days, and 21.93" (557mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Irene, the average length of the day in July is 14h and 59min.On the first day of the month, sunrise is at 5:53 am and sunset at 9:11 pm. On the last day of July, sunrise is at 6:19 am and sunset at 8:50 pm CDT.
Sunshine
With an average of 10.8h of sunshine, July has the most sunshine of the year in Irene, South Dakota.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Irene?
How hot does it get in Irene in July?
What is the average humidity in July in Irene?
How many days does it rain in July in Irene?
When it does not snow in Irene?
How many hours of daylight does Irene have in July?
When are sunrise and sunset in July in Irene?
What month has the most sunshine in Irene?
How many hours of sunshine does Irene have in July?
When is the highest UV index in Irene?
How high is the UV index in July in Irene?
Average temperature in July
Irene, SD
- Average high temperature in July: 84.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°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 (12.9°F).
Average pressure in July
Irene, SD
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Irene, SD
- Average wind speed in July: 7.9mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in July
Irene, SD
- Average humidity in July: 71%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall in July
Irene, SD
- Average rainfall in July: 2.24"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in July
Irene, SD
- Average rainfall days in July: 13.4 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in July
Irene, SD
- Average snowfall in July: 0"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Irene, SD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Irene, SD
- 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in July
Irene, SD
- Average sunshine days in July: 13 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in July
Irene, SD
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in July
Irene, SD
- Average cloud cover in July: 25
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in July
Irene, SD
- 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).
Irene, South Dakota, USA
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