July weather forecast
Hammer, SD

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Weather in July

July, the same as June, is another warm summer month in Hammer, South Dakota, with an average temperature ranging between max 81.1°F (27.3°C) and min 61.7°F (16.5°C).

Temperature

Temperature records mark July as the warmest month, with highs averaging 81.1°F (27.3°C) and lows at 61.7°F (16.5°C).

Heat index

For July, the heat index is computed to be a tropical 86°F (30°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in July in Hammer is 72%.

Rainfall

July is the month with the most rainfall in Hammer. Rain falls for 13.6 days and accumulates 3.27" (83mm) of precipitation.

Snowfall

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

Daylight

In Hammer, the average length of the day in July is 15h and 19min.
On the first day of July in Hammer, sunrise is at 5:42 am and sunset at 9:21 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:58 pm CDT.

Sunshine

July has the most sunshine of the year in Hammer, with an average of 10.8h of sunshine.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What time of the year is the hottest in Hammer?

Hammer's July weather, marked by an average high temperature of 81.1°F (27.3°C) and an average low temperature of 61.7°F (16.5°C), is the warmest in the year.

What are July temperatures in Hammer?

The average high-temperature, in July, in Hammer, is 81.1°F (27.3°C), while the average low-temperature is 61.7°F (16.5°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the average humidity in July in Hammer?

The average relative humidity in July in Hammer, South Dakota, is 72%.

What is the rainiest month in Hammer?

July is the month with the most rainfall. Rain falls for 13.6 days and accumulates 3.27" (83mm) of precipitation.

How much does it rain in Hammer in July?

In Hammer, during July, the rain falls for 13.6 days and regularly aggregates up to 3.27" (83mm) of precipitation.

When it does not snow in Hammer?

June through September are months without snowfall in Hammer.

How many hours of daylight does Hammer have in July?

In Hammer, the average day length in July is 15h and 19min.

When is the sunrise / sunset in July in Hammer?

On the first day of July, sunrise is at 5:42 am and sunset at 9:21 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:58 pm CDT.

What month has the most sunshine in Hammer?

The month with the most sunshine is July, with an average of 10.8h of sunshine.

How many hours of sunshine does Hammer have in July?

The average sunshine duration in July is 10.8h.

What are the months with the highest UV index in Hammer?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Hammer, South Dakota.

What is the UV index reading in July in Hammer?

The average daily maximum UV index in July in Hammer, South Dakota, is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
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
Hammer, SD

Average temperature in July - Hammer, SD
  • Average high temperature in July: 81.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (19°F).

  • Average low temperature in July: 61.7°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

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Average pressure in July
Hammer, SD

Average pressure in July - Hammer, SD
  • Average pressure in July: 29.92"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in July
Hammer, SD

Average wind speed in July - Hammer, SD
  • Average wind speed in July: 8.3mph

The windiest months (with the highest average wind speed) are April and October (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

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Average humidity in July
Hammer, SD

Average humidity in July - Hammer, SD
  • Average humidity in July: 72%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).

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Average rainfall in July
Hammer, SD

Average rainfall in July - Hammer, SD
  • Average rainfall in July: 3.27"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in July
Hammer, SD

Average rainfall days in July - Hammer, SD
  • Average rainfall days in July: 13.6 days

The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (1.6 days).

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Average snowfall in July
Hammer, SD

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

The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Hammer, SD

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

The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Hammer, SD
  • Average daylight in July: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • 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: 3h and 42min).

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Average sunshine days in July
Hammer, SD

Average sunshine days in July - Hammer, SD
  • Average sunshine days in July: 15.3 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in July
Hammer, SD

Average UV index in July - Hammer, SD
  • Average UV index in July: 6

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in July
Hammer, SD

Average cloud cover in July - Hammer, SD
  • Average cloud cover in July: 25

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 25).

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Average visibility in July
Hammer, SD

Average visibility in July - Hammer, 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).

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Hammer, South Dakota, USA

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