July weather forecastSaint John, IN
July
Weather in July
July, the same as June, is another warm summer month in Saint John, Indiana, with an average temperature varying between 65.3°F (18.5°C) and 81.5°F (27.5°C).Temperature
With its high average temperature of 81.5°F (27.5°C) and a low of 65.3°F (18.5°C), July is regarded as the warmest month.Heat index
The heat index value for July is evaluated at a tropical 87.8°F (31°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Saint John, the average relative humidity in July is 81%.Rainfall
In Saint John, Indiana, during July, the rain falls for 17.6 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, in Saint John, Indiana, there are 143.5 rainfall days, and 21.02" (534mm) of precipitation is accumulated.Snowfall
In Saint John, Indiana, snow does not fall in May through October.Daylight
In July, the average length of the day is 14h and 49min.On the first day of July in Saint John, sunrise is at 5:20 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:07 pm CDT.
Sunshine
The months with the most sunshine in Saint John are July and August, with an average of 9.9h of sunshine.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index in Saint John. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 during July leads to these advisories:
Resist extreme sun exposure. Guarding against solar damage is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Saint John, IN
- Average high temperature in July: 81.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in July: 65.3°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in July
Saint John, IN
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Saint John, IN
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in July
Saint John, IN
- Average humidity in July: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in July
Saint John, IN
- Average rainfall in July: 2.48"
The wettest month (with the highest rainfall) is May (2.83").
The driest months (with the least rainfall) are February and November (0.98").
Average rainfall days in July
Saint John, IN
- Average rainfall days in July: 17.6 days
The month with the highest number of rainy days is July (17.6 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in July
Saint John, IN
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Saint John, IN
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Saint John, IN
- Average daylight in July: 14h and 48min
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: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in July
Saint John, IN
- Average sunshine days in July: 10.5 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in July
Saint John, IN
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Saint John, IN
- Average cloud cover in July: 33
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in July
Saint John, IN
- Average visibility in July: 5mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
