July weather forecast
Hays, MT

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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.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Hays?

July is the month when Hays, Montana, sees the average highest temperatures, with a high of 83.5°F (28.6°C) and a low of 62.4°F (16.9°C).

How hot is July in Hays?

In July, the average high-temperature and low-temperature in Hays are 83.5°F (28.6°C) and 62.4°F (16.9°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is estimated at 84.2°F (29°C).

What is the average humidity in July in Hays?

In July, the average relative humidity is 44%.

How much does it rain in Hays in July?

In July, in Hays, Montana, the rain falls for 9.5 days. Throughout July, 0.98" (25mm) of precipitation is accumulated.

When it does not snow in Hays?

June through August are months without snowfall.

How many hours of daylight does Hays have in July?

In July, the average day length in Hays, Montana, is 15h and 34min.

What time are sunrise and sunset in July in Hays?

On the first day of July in Hays, sunrise is at 5:19 am and sunset at 9:17 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:51 pm MDT.

What month has the most sunshine in Hays?

July has the most sunshine of the year, with an average of 11.8h of sunshine.

How long on average sun shines in July in Hays?

In July, the average sunshine duration is 11.8h.

When is the highest UV index in Hays?

With an average maximum UV index of 7, July is the month with the highest UV index.

How high is the UV index in July in Hays?

In Hays, Montana, the average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Hays, MT

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in July - Hays, MT
  • Average daylight in July: 15h and 4min

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 5min

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 - 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 - 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 - 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 - 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).

Hays, Montana, USA

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