July weather forecastWatertown, SD
July
Weather in July
July brings in the peak of summer with Watertown, South Dakota, experiencing the warmest temperatures of the year. The city basks in highs reaching a sizzling 80.8°F (27.1°C), offering ample opportunity to enjoy the sun. The heat, coupled with the longest daylight hours of the year at 15.2 hours, ensures a lively outdoor scene. July's hot and bright weather marks a high point for summer activities, including festivals and sports. Whether it's lounging at Sandy Shore Recreation Area or enjoying a round of golf, July's weather keeps Watertown buzzing.Temperature
In Watertown, South Dakota, July is the warmest month, with temperatures averaging a high of 80.8°F (27.1°C) and a low of 60.8°F (16°C).Heat index
July's average heat index is appraised at 84.2°F (29°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in July is 73%.Rainfall
In Watertown, in July, during 14.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Watertown, during the entire year, the rain falls for 112.3 days and collects up to 18.78" (477mm) of precipitation.Snowfall
June through September are months without snowfall in Watertown.Daylight
In July, the average length of the day in Watertown is 15h and 11min.On the first day of July in Watertown, sunrise is at 5:46 am and sunset at 9:18 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:55 pm CDT.
Sunshine
July has the most sunshine of the year, with an average of 10.7h of sunshine.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index in Watertown. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 6 in July transforms into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Watertown, 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
Watertown, 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
Watertown, 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
Watertown, 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
Watertown, 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
Watertown, 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
Watertown, 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
Watertown, 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
Watertown, 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
Watertown, 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
Watertown, 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
Watertown, 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
Watertown, 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).
