July weather forecast
Merwin, MO

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Weather in July

July is a tropical summer month in Merwin, Missouri, with an average temperature fluctuating between 68.9°F (20.5°C) and 86.5°F (30.3°C).

Temperature

In Merwin, Missouri, temperatures reach their average annual highs in July, measuring 86.5°F (30.3°C) and a minimum average of 68.9°F (20.5°C).

Heat index

In July, the heat index is estimated at a very hot 100.4°F (38°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

The average relative humidity in July is 77%.

Rainfall

In Merwin, in July, it is raining for 13.2 days, with typically 1.65" (42mm) of accumulated precipitation. In Merwin, during the entire year, the rain falls for 114.1 days and collects up to 13.9" (353mm) of precipitation.

Snowfall

April, June through September are months without snowfall in Merwin.

Daylight

In Merwin, the average length of the day in July is 14h and 32min.
On the first day of the month, sunrise is at 5:58 am and sunset at 8:46 pm. On the last day of July, sunrise is at 6:20 am and sunset at 8:29 pm CDT.

Sunshine

July has the most sunshine of the year in Merwin, Missouri, with an average of 10.5h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Merwin. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in July transforms into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What month is the hottest in Merwin?

Merwin's temperature records reveal July as the warmest month, marked by average highs of 86.5°F (30.3°C) and lows of 68.9°F (20.5°C).

Is it hot in Merwin during July?

An average high-temperature, in July, in Merwin, is 86.5°F (30.3°C) and the average low-temperature is 68.9°F (20.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in July is estimated at 100.4°F (38°C).

What is the average humidity in July in Merwin?

In July, the average relative humidity in Merwin is 77%.

How much does it rain in Merwin in July?

In July, the rain falls for 13.2 days. Throughout July, 1.65" (42mm) of precipitation is accumulated.

When it does not snow in Merwin?

In Merwin, Missouri, snow does not fall in April, June through September.

How many hours of daylight does Merwin have in July?

The average day length in July in Merwin is 14h and 32min.

When is the sunrise / sunset in July in Merwin?

In July, on the first day of the month, sunrise is at 5:58 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:29 pm CDT.

What month has the most sunshine in Merwin?

July has the most sunshine of the year in Merwin, with an average of 10.5h of sunshine.

How long on average sun shines in July in Merwin?

In Merwin, the average sunshine duration in July is 10.5h.

When is the highest UV index in Merwin?

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

What is the UV index reading in July in Merwin?

In Merwin, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes 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
Merwin, MO

Average temperature in July - Merwin, MO
  • Average high temperature in July: 86.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in July: 68.9°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in July
Merwin, MO

Average pressure in July - Merwin, MO
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in July
Merwin, MO

Average wind speed in July - Merwin, MO
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in July
Merwin, MO

Average humidity in July - Merwin, MO
  • Average humidity in July: 77%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in July
Merwin, MO

Average rainfall in July - Merwin, MO
  • Average rainfall in July: 1.65"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in July
Merwin, MO

Average rainfall days in July - Merwin, MO
  • Average rainfall days in July: 13.2 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (3.5 days).

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Average snowfall in July
Merwin, MO

Average snowfall in July - Merwin, MO
  • Average snowfall in July: 0"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, June, July, August and September (0").

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Average snowfall days in July
Merwin, MO

Average snowfall days in July - Merwin, MO
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (3.8 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
Merwin, MO

Average daylight in July / Average sunshine in July - Merwin, MO
  • Average daylight in July: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

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Average sunshine days in July
Merwin, MO

Average sunshine days in July - Merwin, MO
  • Average sunshine days in July: 14.3 days

The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (12.8 days).

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Average UV index in July
Merwin, MO

Average UV index in July - Merwin, MO
  • Average UV index in July: 6

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

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Average cloud cover in July
Merwin, MO

Average cloud cover in July - Merwin, MO
  • Average cloud cover in July: 26

The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).

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Average visibility in July
Merwin, MO

Average visibility in July - Merwin, MO
  • 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).

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Merwin, Missouri, USA

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