Natchez
Mississippi, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Natchez, MS

July, the same as June, in Natchez, Mississippi, is another hot summer month, with average temperature fluctuating between 91°F (32.8°C) and 72.7°F (22.6°C).

Temperature

July and August, with an average high-temperature of 91°F (32.8°C), are the warmest months.

Heat index

The average heat index is evaluated at a burning hot 114.6°F (45.9°C). Be wary - heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, differences in body mass, height, and shape, clothing), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in July is 77%.

Rainfall

The month with the most rainfall is July when the rain falls for 19.3 days and typically aggregates up to 4.02" (102mm) of precipitation.

Snowfall

In Natchez snow does not fall in April through November.

Daylight

The average length of the day in Natchez, Mississippi, is 14h.

Sunshine

In July, the average sunshine is 10h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the warmest month in Natchez?

Warmest months in Natchez, Mississippi, are July and August, with an average high-temperature of 91°F (32.8°C).

What is the temperature in July in Natchez?

The average high-temperature, in July, is 91°F (32.8°C), while the average low-temperature is 72.7°F (22.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines relative humidity and air temperature, in July is estimated at 114.6°F (45.9°C).

What is the average humidity in July in Natchez?

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

How much does it rain in Natchez in July?

In Natchez, in July, during 19.3 rainfall days, 4.02" (102mm) of precipitation is typically accumulated.

What is the wettest month in Natchez?

The month with the most rainfall in Natchez is July when the rain falls for 19.3 days and typically aggregates up to 4.02" (102mm) of precipitation.

When it does not snow in Natchez?

In Natchez snow does not fall in April through November.

What is the average length of the day in July in Natchez?

In Natchez, the average length of the day in July is 14h.

How many hours of sunshine does Natchez have in July?

In Natchez, Mississippi, the average sunshine in July is 10h.

When is the highest UV index in Natchez?

Months with the highest UV index in Natchez are June through August, with an average maximum UV index of 7.

How high is the UV index in July in Natchez?

The average daily maximum UV index in July is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in July - Natchez, MS
  • Average high temperature in July: 91°F

The warmest months (with the highest average high temperature) are July and August (91°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in July: 72.7°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

Average humidity in July - Natchez, MS
  • Average humidity in July: 77%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (70%).

Average rainfall in July - Natchez, MS
  • Average rainfall in July: 4.02"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (2.17").

Average rainfall days in July - Natchez, MS
  • Average rainfall days in July: 19.3 days

Months with the highest number of rainy days are July and August (19.3 days).
The month with the least rainy days is October (8.9 days).

Average snowfall in July - Natchez, MS
  • Average snowfall in July: 0"

The month with the highest snowfall is January (0.43").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in July - Natchez, MS
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (0.8 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in July / Average sunshine in July - Natchez, MS
  • Average daylight in July: 14h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in July: 10h

The month with the most sunshine is June (Average sunshine: 10.3h).
The month with the least sunshine is December (Average sunshine: 4.8h).

Average UV index in July - Natchez, MS
  • Average UV index in July: 7

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 3).