July weather forecast
Rio Vista, MD

Share

Weather in July

July, the same as June, is another warm summer month in Rio Vista, Maryland, with an average temperature varying between 84.4°F (29.1°C) and 71.8°F (22.1°C).

Temperature

July is the month that records the highest temperatures, with averages ranging from a high of 84.4°F (29.1°C) to a low of 71.8°F (22.1°C).

Heat index

The heat index value for July is computed to be a tropical 93.2°F (34°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

The average relative humidity in July is 76%.

Rainfall

In July, the rain falls for 16.8 days. Throughout July, 3.66" (93mm) of precipitation is accumulated. Throughout the year, there are 157 rainfall days, and 32.91" (836mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in July is 14h and 34min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:33 pm. On the last day of July, sunrise is at 6:05 am and sunset at 8:16 pm EDT.

Sunshine

With an average of 10.9h of sunshine, July has the most sunshine of the year.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 6 in July translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

Temperature readings in Rio Vista reach their annual highs in July, averaging 84.4°F (29.1°C) and a minimum average of 71.8°F (22.1°C).

How hot does it get in July?

During July, Rio Vista experiences an average high-temperature of 84.4°F (29.1°C) and a low-temperature of 71.8°F (22.1°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is computed to be 93.2°F (34°C).

What is the average humidity in July?

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

How much does it rain in July?

In July, the rain falls for 16.8 days. Throughout July, 3.66" (93mm) of precipitation is accumulated.

When it does not snow?

In Rio Vista, snow does not fall in May through October.

What is the average length of the day in July?

The average day length in July is 14h and 34min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:43 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:16 pm EDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.9h of sunshine.

How many hours of sunshine does Rio Vista have in July?

In July, the average sunshine duration is 10.9h.

When is the highest UV index?

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

What is the UV index intensity in July?

In July, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Rio Vista, MD

Average temperature in July - Rio Vista, MD
  • Average high temperature in July: 84.4°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in July: 71.8°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in July
Rio Vista, MD

Average pressure in July - Rio Vista, MD
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in July
Rio Vista, MD

Average wind speed in July - Rio Vista, MD
  • Average wind speed in July: 6.7mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in July
Rio Vista, MD

Average humidity in July - Rio Vista, MD
  • Average humidity in July: 76%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in July
Rio Vista, MD

Average rainfall in July - Rio Vista, MD
  • Average rainfall in July: 3.66"

The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (1.93").

Average rainfall days in July
Rio Vista, MD

Average rainfall days in July - Rio Vista, MD
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are January and November (8.8 days).

Average snowfall in July
Rio Vista, MD

Average snowfall in July - Rio Vista, MD
  • Average snowfall in July: 0"

The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Rio Vista, MD

Average snowfall days in July - Rio Vista, MD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Rio Vista, MD

Average daylight in July / Average sunshine in July - Rio Vista, MD
  • Average daylight in July: 14h and 4min

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 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in July
Rio Vista, MD

Average sunshine days in July - Rio Vista, MD
  • Average sunshine days in July: 12.4 days

The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and August (11.8 days).

Average UV index in July
Rio Vista, MD

Average UV index in July - Rio Vista, MD
  • 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 and December (UV index 2).

Average cloud cover in July
Rio Vista, MD

Average cloud cover in July - Rio Vista, MD
  • Average cloud cover in July: 27

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in July
Rio Vista, MD

Average visibility in July - Rio Vista, MD
  • 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).

Rio Vista, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location