July weather forecast
Castroville, TX

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Weather in July

July, the same as June, in Castroville, Texas, is another tropical summer month, with an average temperature varying between 94.6°F (34.8°C) and 73.4°F (23°C).

Temperature

The shift into July finds Castroville at an average high-temperature of a still hot 94.6°F (34.8°C), closely comparable to June's conditions. Castroville's temperature tends to fall to an average low of 73.4°F (23°C) during the nights of July.

Heat index

In July, the heat index is evaluated at a life-threatening hot 114.8°F (46°C). Notice: Heat cramps and heat exhaustion are likely. Continued strenuous activity might lead to heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In Castroville, the average relative humidity in July is 63%.

Rainfall

In Castroville, Texas, in July, during 10.7 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 138.8 rainfall days, and 19.76" (502mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall in Castroville.

Daylight

In Castroville, the average length of the day in July is 13h and 49min.
On the first day of the month, sunrise is at 6:39 am and sunset at 8:39 pm. On the last day of July, sunrise is at 6:55 am and sunset at 8:28 pm CDT.

Sunshine

July has the most sunshine of the year in Castroville, Texas, with an average of 10.2h of sunshine.

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 threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 7 in July interprets into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

How hot does it get in Castroville in July?

An average high-temperature, in July, in Castroville, is 94.6°F (34.8°C) and the average low-temperature is 73.4°F (23°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in July is evaluated at 114.8°F (46°C).

What is the average humidity in July in Castroville?

In July, the average relative humidity in Castroville is 63%.

How many days does it rain in July in Castroville?

In Castroville, Texas, in July, during 10.7 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When it does not snow in Castroville?

In Castroville, snow does not fall in March through December.

How many hours of daylight does Castroville have in July?

In Castroville, Texas, the average day length in July is 13h and 49min.

When is the sunrise / sunset in July in Castroville?

In July, on the first day of the month, sunrise is at 6:39 am and sunset at 8:39 pm. On the last day of the month, in Castroville, Texas, sunrise is at 6:55 am and sunset at 8:28 pm CDT.

What month has the most sunshine in Castroville?

July has the most sunshine of the year in Castroville, Texas, with an average of 10.2h of sunshine.

How long on average sun shines in July in Castroville?

In Castroville, the average sunshine duration in July is 10.2h.

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

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

How high is the UV index in July in Castroville?

In July, the average daily maximum UV index in Castroville, Texas, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Castroville, TX

Average temperature in July - Castroville, TX
  • Average high temperature in July: 94.6°F

The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (61.3°F).

  • Average low temperature in July: 73.4°F

The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

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Average pressure in July
Castroville, TX

Average pressure in July - Castroville, TX
  • Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.89"Hg).

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Average wind speed in July
Castroville, TX

Average wind speed in July - Castroville, TX
  • Average wind speed in July: 7.6mph

The windiest months (with the highest average wind speed) are April and May (9.1mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).

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Average humidity in July
Castroville, TX

Average humidity in July - Castroville, TX
  • Average humidity in July: 63%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (58%).

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Average rainfall in July
Castroville, TX

Average rainfall in July - Castroville, TX
  • Average rainfall in July: 1.61"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is February (0.87").

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Average rainfall days in July
Castroville, TX

Average rainfall days in July - Castroville, TX
  • Average rainfall days in July: 10.7 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in July
Castroville, TX

Average snowfall in July - Castroville, TX
  • Average snowfall in July: 0"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in July
Castroville, TX

Average snowfall days in July - Castroville, TX
  • Average snowfall days in July: 0 days

The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Castroville, TX

Average daylight in July / Average sunshine in July - Castroville, TX
  • Average daylight in July: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are November and December (Average sunshine: 5h and 18min).

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Average sunshine days in July
Castroville, TX

Average sunshine days in July - Castroville, TX
  • Average sunshine days in July: 18.3 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in July
Castroville, TX

Average UV index in July - Castroville, TX
  • Average UV index in July: 7

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in July
Castroville, TX

Average cloud cover in July - Castroville, TX
  • Average cloud cover in July: 29

The months with the most cloud cover are March and May (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in July
Castroville, TX

Average visibility in July - Castroville, TX
  • 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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Castroville, Texas, USA

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