July weather forecast
Madison, SD

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Weather in July

Among all months, July is the warmest in Madison, South Dakota, signifying the heart of summer. The average high temperature peaks at a warm 82.2°F (27.9°C). Lengthy daylight hours coupled with maximum sunshine duration provide plenty of time for lakeside activities and picnics in the park. The relative humidity decreases, offering a cooler respite in the evening. July's day-to-night transition is one of slight winds and star-studded skies, typical for Madison's warm summer days.

Temperature

Madison's warmest month, July, generally records average temperatures ranging from a high of 82.2°F (27.9°C) to a low of 62.4°F (16.9°C).

Heat index

The heat index for July is computed to be a tropical 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

The average relative humidity in July is 73%.

Rainfall

In Madison, during July, the rain falls for 13.8 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Madison, South Dakota, during the entire year, the rain falls for 111.2 days and collects up to 21.14" (537mm) of precipitation.

Snowfall

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

Daylight

In Madison, the average length of the day in July is 15h and 5min.
On the first day of the month, sunrise is at 5:49 am and sunset at 9:15 pm. On the last day of July, sunrise is at 6:16 am and sunset at 8:53 pm CDT.

Sunshine

The month with the most sunshine is July, with an average of 10.6h 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 of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

July, noted for its average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 62.4°F (16.9°C), is considered the warmest month.

What is the temperature in July?

In July, in Madison, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is computed to be 87.8°F (31°C).

What is the average humidity in July?

In Madison, the average relative humidity in July is 73%.

How much does it rain in July?

In Madison, in July, it is raining for 13.8 days, with typically 2.64" (67mm) of accumulated precipitation.

When it does not snow?

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

What is the average length of the day in July?

The average day length in July is 15h and 5min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:49 am and sunset at 9:15 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:53 pm CDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.6h of sunshine.

How many hours of sunshine does Madison have in July?

The average sunshine duration in July in Madison is 10.6h.

When is 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 reading in July?

In Madison, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
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
Madison, SD

Average temperature in July - Madison, SD
  • Average high temperature in July: 82.2°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in July: 62.4°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

Average pressure in July
Madison, SD

Average pressure in July - Madison, 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
Madison, SD

Average wind speed in July - Madison, SD
  • Average wind speed in July: 8.6mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

Average humidity in July
Madison, SD

Average humidity in July - Madison, SD
  • Average humidity in July: 73%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (67%).

Average rainfall in July
Madison, SD

Average rainfall in July - Madison, SD
  • Average rainfall in July: 2.64"

The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (0.59").

Average rainfall days in July
Madison, SD

Average rainfall days in July - Madison, SD
  • Average rainfall days in July: 13.8 days

The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is January (1.6 days).

Average snowfall in July
Madison, SD

Average snowfall in July - Madison, SD
  • Average snowfall in July: 0"

The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Madison, SD

Average snowfall days in July - Madison, SD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Madison, SD

Average daylight in July / Average sunshine in July - Madison, SD
  • Average daylight in July: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in July: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in July
Madison, SD

Average sunshine days in July - Madison, SD
  • Average sunshine days in July: 15.2 days

The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (9.5 days).

Average UV index in July
Madison, SD

Average UV index in July - Madison, 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
Madison, SD

Average cloud cover in July - Madison, SD
  • Average cloud cover in July: 28

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in July
Madison, SD

Average visibility in July - Madison, 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).

Madison, South Dakota, USA

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