July weather forecastWillow Lake, SD
July
Weather in July
July, like June, in Willow Lake, South Dakota, is a moderately hot summer month, with an average temperature varying between 60.8°F (16°C) and 80.8°F (27.1°C).Temperature
In Willow Lake, July records the highest average temperatures, peaking at 80.8°F (27.1°C) and reaching a low of 60.8°F (16°C).Heat index
The heat index for July is computed to be 84.2°F (29°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
In July, the average relative humidity is 73%.Rainfall
In Willow Lake, in July, it is raining for 14.3 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, there are 112.3 rainfall days, and 18.78" (477mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Willow Lake.Daylight
In Willow Lake, the average length of the day in July is 15h and 10min.On the first day of the month, sunrise is at 5:49 am and sunset at 9:19 pm. On the last day of July, sunrise is at 6:16 am and sunset at 8:57 pm CDT.
Sunshine
With an average of 10.7h of sunshine, July has the most sunshine of the year.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 6 in July leads to these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Willow Lake, SD
- Average high temperature in July: 80.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in July: 60.8°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in July
Willow Lake, SD
- Average pressure in July: 29.92"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Willow Lake, SD
- Average wind speed in July: 8.5mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in July
Willow Lake, SD
- Average humidity in July: 73%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in July
Willow Lake, SD
- Average rainfall in July: 2.91"
The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in July
Willow Lake, SD
- Average rainfall days in July: 14.3 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in July
Willow Lake, SD
- Average snowfall in July: 0"
The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Willow Lake, SD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Willow Lake, SD
- Average daylight in July: 15h and 12min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in July
Willow Lake, SD
- Average sunshine days in July: 13.8 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in July
Willow Lake, SD
- 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 and December (UV index 1).
Average cloud cover in July
Willow Lake, SD
- Average cloud cover in July: 28
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
Willow Lake, SD
- 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).
