July weather forecast
Saint Francis, SD

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Weather in July

July in Saint Francis, South Dakota, is a hot summer month, with an average temperature fluctuating between 65.7°F (18.7°C) and 86.4°F (30.2°C).

Temperature

July, marked by an average high-temperature of 86.4°F (30.2°C) and a low-temperature of 65.7°F (18.7°C), is the warmest month.

Heat index

The average heat index in July is calculated to be a tropical 91.4°F (33°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

The average relative humidity in July in Saint Francis is 58%.

Rainfall

In Saint Francis, South Dakota, during July, the rain falls for 14.8 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 109.2 rainfall days, and 16.89" (429mm) of precipitation is accumulated.

Snowfall

June through August are months without snowfall in Saint Francis.

Daylight

The average length of the day in July in Saint Francis is 15h and 0min.
On the first day of July, sunrise is at 6:08 am and sunset at 9:27 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 9:06 pm CDT.

Sunshine

With an average of 11.2h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index in Saint Francis, South Dakota, are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In July, the maximum UV index of 6 suggests these recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest in Saint Francis?

July, with average temperatures reaching a high of 86.4°F (30.2°C) and a low of 65.7°F (18.7°C), is the warmest month in Saint Francis.

Is it hot in Saint Francis during July?

In Saint Francis, in July, the average high-temperature is 86.4°F (30.2°C), and the average low-temperature is 65.7°F (18.7°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 91.4°F (33°C).

What is the average humidity in July in Saint Francis?

The average relative humidity in July is 58%.

How much does it rain in Saint Francis in July?

In Saint Francis, South Dakota, during July, the rain falls for 14.8 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow in Saint Francis?

In Saint Francis, snow does not fall in June through August.

What is the average length of the day in July in Saint Francis?

In Saint Francis, South Dakota, the average day length in July is 15h and 0min.

What time are sunrise and sunset in July in Saint Francis?

On the first day of July, sunrise is at 6:08 am and sunset at 9:27 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 9:06 pm CDT.

What month has the most sunshine in Saint Francis?

The month with the most sunshine is July, with an average of 11.2h of sunshine.

How long on average sun shines in July in Saint Francis?

In Saint Francis, the average sunshine duration in July is 11.2h.

What are the months with the highest UV index in Saint Francis?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in July in Saint Francis?

The average daily maximum UV index in July in Saint Francis is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe 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
Saint Francis, SD

Average temperature in July - Saint Francis, SD
  • Average high temperature in July: 86.4°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in July: 65.7°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in July
Saint Francis, SD

Average pressure in July - Saint Francis, SD
  • Average pressure in July: 29.91"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in July
Saint Francis, SD

Average wind speed in July - Saint Francis, SD
  • Average wind speed in July: 10.6mph

The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).

Average humidity in July
Saint Francis, SD

Average humidity in July - Saint Francis, SD
  • Average humidity in July: 58%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).

Average rainfall in July
Saint Francis, SD

Average rainfall in July - Saint Francis, SD
  • Average rainfall in July: 1.97"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in July
Saint Francis, SD

Average rainfall days in July - Saint Francis, SD
  • Average rainfall days in July: 14.8 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).

Average snowfall in July
Saint Francis, SD

Average snowfall in July - Saint Francis, SD
  • Average snowfall in July: 0"

The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").

Average snowfall days in July
Saint Francis, SD

Average snowfall days in July - Saint Francis, 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 and August (0 days).

Average daylight in July /
Average sunshine in July
Saint Francis, SD

Average daylight in July / Average sunshine in July - Saint Francis, 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: 11h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in July
Saint Francis, SD

Average sunshine days in July - Saint Francis, SD
  • Average sunshine days in July: 12.4 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in July
Saint Francis, SD

Average UV index in July - Saint Francis, SD
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
Saint Francis, SD

Average cloud cover in July - Saint Francis, SD
  • Average cloud cover in July: 21

The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).

Average visibility in July
Saint Francis, SD

Average visibility in July - Saint Francis, 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).

Saint Francis, South Dakota, USA

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