Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July is the warmest month, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 64.8°F (18.2°C).Heat index
July's mean heat index is appraised at a tropical 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
January and July, with an average relative humidity of 83%, are the most humid months.Rainfall
In July, in Barstow, the rain falls for 11.2 days. Throughout July, 1.18" (30mm) of precipitation is accumulated. In Barstow, during the entire year, the rain falls for 99.4 days and collects up to 9.57" (243mm) of precipitation.Snowfall
In Barstow, snow does not fall in May through August.Daylight
The average length of the day in July in Barstow is 14h and 50min.On the first day of the month, sunrise is at 5:31 am and sunset at 8:39 pm. On the last day of July, sunrise is at 5:55 am and sunset at 8:19 pm CDT.
Sunshine
The month with the most sunshine is July, with an average of 10.1h of sunshine.UV index
The month with the highest UV index in Barstow, Illinois, is July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: In July, the maximum UV index of 6 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Barstow?
What are July temperatures in Barstow?
What is the most humid month in Barstow?
What is the average humidity in July in Barstow?
How much does it rain in Barstow in July?
When it does not snow in Barstow?
What is the average length of the day in July in Barstow?
What time are sunrise and sunset in July in Barstow?
What month has the most sunshine in Barstow?
How many hours of sunshine does Barstow have in July?
When is the highest UV index in Barstow?
What is the UV index intensity in July in Barstow?
Average temperature in July
Barstow, IL
- Average high temperature in July: 81.7°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in July: 64.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in July
Barstow, IL
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Barstow, IL
- Average wind speed in July: 6.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in July
Barstow, IL
- Average humidity in July: 83%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Barstow, IL
- Average rainfall in July: 1.18"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in July
Barstow, IL
- Average rainfall days in July: 11.2 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in July
Barstow, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in July
Barstow, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Barstow, IL
- Average daylight in July: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in July
Barstow, IL
- Average sunshine days in July: 16.2 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).
Average UV index in July
Barstow, IL
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in July
Barstow, IL
- Average cloud cover in July: 31
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in July
Barstow, IL
- 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).
Barstow, Illinois, USA
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