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 of the year, registering average temperatures as high as 83.8°F (28.8°C) and as low as 64°F (17.8°C).Heat index
July's average heat index is evaluated at a hot 93.2°F (34°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Realize that the values for the heat index are set for shaded places and light winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for 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.
Humidity
In Londonderry, the average relative humidity in July is 79%.Rainfall
In July, in Londonderry, the rain falls for 17 days. Throughout July, 2.56" (65mm) of precipitation is accumulated. In Londonderry, Ohio, during the entire year, the rain falls for 156.4 days and collects up to 25.63" (651mm) of precipitation.Snowfall
In Londonderry, snow does not fall in May through October.Daylight
In July, the average length of the day is 14h and 37min.On the first day of July, sunrise is at 6:08 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:43 pm EDT.
Sunshine
In July, the average sunshine is 10.2h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Londonderry, Ohio. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during July morphs into the following directions:
Deflect overexposure. Sun protection is a necessity. 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. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the hottest time of year in Londonderry?
How hot does it get in Londonderry in July?
What is the average humidity in July in Londonderry?
How many days does it rain in July in Londonderry?
When it does not snow in Londonderry?
What is the average length of the day in July in Londonderry?
When are sunrise and sunset in July in Londonderry?
How long on average sun shines in July in Londonderry?
When is the highest UV index in Londonderry?
What is the UV index intensity in July in Londonderry?
Average temperature in July
Londonderry, OH
- Average high temperature in July: 83.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in July: 64°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in July
Londonderry, OH
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in July
Londonderry, OH
- Average wind speed in July: 4.9mph
The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in July
Londonderry, OH
- Average humidity in July: 79%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall in July
Londonderry, OH
- Average rainfall in July: 2.56"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in July
Londonderry, OH
- Average rainfall days in July: 17 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in July
Londonderry, OH
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Londonderry, OH
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Londonderry, OH
- Average daylight in July: 14h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in July: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in July
Londonderry, OH
- Average sunshine days in July: 11.3 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in July
Londonderry, OH
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Londonderry, OH
- Average cloud cover in July: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in July
Londonderry, OH
- Average visibility in July: 5mi
The months with the highest visibility are February, March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, May, July and September (5mi).
Londonderry, Ohio, USA
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