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
With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 59.7°F (15.4°C), July is the warmest month.Heat index
For July, the heat index is calculated to be 82.4°F (28°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. 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 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In Harlem, the average relative humidity in July is 45%.Rainfall
In Harlem, Montana, during July, the rain falls for 7.6 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Harlem, during the entire year, the rain falls for 99.1 days and collects up to 10.12" (257mm) of precipitation.Snowfall
June through August are months without snowfall.Daylight
In Harlem, the average length of the day in July is 15h and 39min.On the first day of July, sunrise is at 5:17 am and sunset at 9:20 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:53 pm MDT.
Sunshine
With an average of 12h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In July, the maximum UV index of 6 translates into these guidelines:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
What are the temperatures in July?
What is the average humidity in July?
How many days does it rain in July?
When it does not snow?
How many hours of daylight does Harlem have in July?
When is the sunrise / sunset in July?
What month has the most sunshine in Harlem?
How long on average sun shines in July?
What are the months with the highest UV index?
What is the UV index reading in July in Harlem?
Average temperature in July
Harlem, MT
- Average high temperature in July: 82°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (26.2°F).
- Average low temperature in July: 59.7°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is February (12.6°F).
Average pressure in July
Harlem, MT
- Average pressure in July: 29.88"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in July
Harlem, MT
- Average wind speed in July: 8.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in July
Harlem, MT
- Average humidity in July: 45%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (42%).
Average rainfall in July
Harlem, MT
- Average rainfall in July: 0.71"
The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are February, March and December (0.55").
Average rainfall days in July
Harlem, MT
- Average rainfall days in July: 7.6 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in July
Harlem, MT
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Harlem, MT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Harlem, MT
- Average daylight in July: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in July
Harlem, MT
- Average sunshine days in July: 21.6 days
The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in July
Harlem, MT
- 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, February, March, October, November and December (UV index 2).
Average cloud cover in July
Harlem, MT
- Average cloud cover in July: 15
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in July
Harlem, MT
- 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).
Harlem, Montana, USA
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