July weather forecastHays, MT
July
Weather in July
July, like June, in Hays, Montana, is another warm summer month, with an average temperature ranging between min 62.4°F (16.9°C) and max 83.5°F (28.6°C).Temperature
July, with its average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 62.4°F (16.9°C), holds the record as the warmest month.Heat index
For most parts of July, the heat index is estimated at 84.2°F (29°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. 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 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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 July, the average relative humidity in Hays, Montana, is 44%.Rainfall
In Hays, during July, the rain falls for 9.5 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Hays, Montana, during the entire year, the rain falls for 103.3 days and collects up to 11.81" (300mm) of precipitation.Snowfall
In Hays, snow does not fall in June through August.Daylight
In Hays, the average length of the day in July is 15h and 34min.On the first day of the month, sunrise is at 5:19 am and sunset at 9:17 pm. On the last day of July, in Hays, sunrise is at 5:50 am and sunset at 8:51 pm MDT.
Sunshine
The month with the most sunshine in Hays is July, with an average of 11.8h of sunshine.UV index
With an average maximum UV index of 7, July is the month with the highest UV index in Hays. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 7 in July converts into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Hays, MT
- Average high temperature in July: 83.5°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The months with the lowest average high temperature are January and February (25.7°F).
- Average low temperature in July: 62.4°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in July
Hays, MT
- Average pressure in July: 29.88"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in July
Hays, MT
- Average wind speed in July: 9.6mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity in July
Hays, MT
- Average humidity in July: 44%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (41%).
Average rainfall in July
Hays, MT
- Average rainfall in July: 0.98"
The wettest months (with the highest rainfall) are May and June (1.89").
The driest months (with the least rainfall) are February and December (0.55").
Average rainfall days in July
Hays, MT
- Average rainfall days in July: 9.5 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (4 days).
Average snowfall in July
Hays, MT
- Average snowfall in July: 0"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Hays, MT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Hays, MT
- Average daylight in July: 15h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in July: 11h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in July
Hays, MT
- Average sunshine days in July: 18.5 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in July
Hays, MT
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Hays, MT
- Average cloud cover in July: 17
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in July
Hays, MT
- Average visibility in July: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





