July weather forecast
Williamsburg, MS

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Weather in July

July, like June, is another hot summer month in Williamsburg, Mississippi, with an average temperature fluctuating between 91.2°F (32.9°C) and 72.1°F (22.3°C).

Temperature

Williamsburg greets July with an average high-temperature of a still hot 91.2°F (32.9°C), marking a slight deviation from the preceding month. The average temperature during July nights dips to an agreeable 72.1°F (22.3°C).

Heat index

July's mean heat index is appraised at a life-threatening hot 114.8°F (46°C). Stay on guard: Heat exhaustion and heat cramps are predicted. Ongoing effort can cause heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In Williamsburg, the average relative humidity in July is 76%.

Rainfall

In Williamsburg, in July, during 19.9 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. In Williamsburg, during the entire year, the rain falls for 168 days and collects up to 34.17" (868mm) of precipitation.

Snowfall

In Williamsburg, snow does not fall in April through November.

Daylight

In July, the average length of the day is 13h and 58min.
On the first day of July, sunrise is at 5:57 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:55 pm CDT.

Sunshine

In Williamsburg, the average sunshine in July is 10.3h.

UV index

June and July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 7 during July leads to these advisories:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Williamsburg in July?

In Williamsburg, in July, the average high-temperature is 91.2°F (32.9°C), and the average low-temperature is 72.1°F (22.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is appraised at 114.8°F (46°C).

What is the average humidity in July?

In July, the average relative humidity is 76%.

How many days does it rain in July?

In Williamsburg, in July, it is raining for 19.9 days, with typically 3.46" (88mm) of accumulated precipitation.

When it does not snow?

In Williamsburg, snow does not fall in April through November.

What is the average length of the day in July?

In Williamsburg, the average day length in July is 13h and 58min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:57 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:55 pm CDT.

How many hours of sunshine does Williamsburg have in July?

In July, the average sunshine duration is 10.3h.

When is the highest UV index in Williamsburg?

June and July, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index intensity in July?

In July, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average max. wind speed
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
Williamsburg, MS

Average temperature in July - Williamsburg, MS
  • Average high temperature in July: 91.2°F

The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in July: 72.1°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (39°F).

Average pressure in July
Williamsburg, MS

Average pressure in July - Williamsburg, MS
  • Average pressure in July: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in July
Williamsburg, MS

Average wind speed in July - Williamsburg, MS
  • Average wind speed in July: 4.7mph

The windiest months (with the highest average wind speed) are January, February and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in July
Williamsburg, MS

Average humidity in July - Williamsburg, MS
  • Average humidity in July: 76%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in July
Williamsburg, MS

Average rainfall in July - Williamsburg, MS
  • Average rainfall in July: 3.46"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in July
Williamsburg, MS

Average rainfall days in July - Williamsburg, MS
  • Average rainfall days in July: 19.9 days

The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in July
Williamsburg, MS

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

The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in July
Williamsburg, MS

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

The months with the highest number of snowfall days are January and February (0.3 days).
The 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
Williamsburg, MS

Average daylight in July / Average sunshine in July - Williamsburg, MS
  • Average daylight in July: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in July
Williamsburg, MS

Average sunshine days in July - Williamsburg, MS
  • Average sunshine days in July: 9.5 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is August (9 days).

Average UV index in July
Williamsburg, MS

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in July
Williamsburg, MS

Average cloud cover in July - Williamsburg, MS
  • Average cloud cover in July: 36

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in July
Williamsburg, MS

Average visibility in July - Williamsburg, MS
  • Average visibility in July: 5mi

The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).

Williamsburg, Mississippi, USA

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