June weather forecast
Sterling, CO

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Weather in June

In June, Sterling, Colorado wipes away the last traces of spring, stepping into summer unreservedly. The increase in temperatures complements the peak sunshine hours of 11.7, encapsulating the warmth of summer days. It is a dry month with lesser rain downpours than the previous month. The comfortable summer weather is a harbinger of the hotter months of July and August. The city gleams under the bright blue sky, creating rays of cheerful summer nuances.

Temperature

The start of June brings a rise in the average high-temperature, moving from a pleasant 68.9°F (20.5°C) in May to a moderately hot 82.6°F (28.1°C). In June, a remarkable difference from daytime highs is noted, as Sterling records an average temperature of 59.7°F (15.4°C) during the night.

Heat index

Throughout June, the heat index is calculated to be 84.2°F (29°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

In June, the average relative humidity is 51%.

Rainfall

In Sterling, in June, during 15.3 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 123.2 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

In Sterling, snow does not fall in June through September.

Daylight

With an average of 15h and 0min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:23 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:27 pm MDT.

Sunshine

The months with the most sunshine are June and August, with an average of 11.7h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 6 in June translates into this advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in June?

In June, the average high-temperature and low-temperature are 82.6°F (28.1°C) and 59.7°F (15.4°C) respectively. In June, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 84.2°F (29°C).

What is the average humidity in June?

The average relative humidity in June is 51%.

How many days does it rain in June?

In Sterling, during June, the rain falls for 15.3 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow?

In Sterling, snow does not fall in June through September.

Does it snow in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When are the longest days?

With an average of 15h and 0min of daylight, June has the longest days of the year in Sterling.

How many hours of daylight does Sterling have in June?

In June, the average day length is 15h and 2min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 5:23 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:27 pm MDT.

What are the months with the most sunshine?

June and August, with an average of 11.7h of sunshine, are months with the most sunshine.

How many hours of sunshine does Sterling have in June?

The average sunshine duration in June is 11.7h.

When is the highest UV index in Sterling?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index reading in June?

The average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health threat 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 June
Sterling, CO

Average temperature in June - Sterling, CO
  • Average high temperature in June: 82.6°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (37.8°F).

  • Average low temperature in June: 59.7°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (23°F).

Average pressure in June
Sterling, CO

Average pressure in June - Sterling, CO
  • Average pressure in June: 29.83"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in June
Sterling, CO

Average wind speed in June - Sterling, CO
  • Average wind speed in June: 9.9mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).

Average humidity in June
Sterling, CO

Average humidity in June - Sterling, CO
  • Average humidity in June: 51%

The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is September (47%).

Average rainfall in June
Sterling, CO

Average rainfall in June - Sterling, CO
  • Average rainfall in June: 2.13"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in June
Sterling, CO

Average rainfall days in June - Sterling, CO
  • Average rainfall days in June: 15.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in June
Sterling, CO

Average snowfall in June - Sterling, CO
  • Average snowfall in June: 0"

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Sterling, CO

Average snowfall days in June - Sterling, CO
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in June /
Average sunshine in June
Sterling, CO

Average daylight in June / Average sunshine in June - Sterling, CO
  • Average daylight in June: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 11h and 4min

The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

Average sunshine days in June
Sterling, CO

Average sunshine days in June - Sterling, CO
  • Average sunshine days in June: 10.2 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in June
Sterling, CO

Average UV index in June - Sterling, CO
  • Average UV index in June: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in June
Sterling, CO

Average cloud cover in June - Sterling, CO
  • Average cloud cover in June: 19

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in June
Sterling, CO

Average visibility in June - Sterling, CO
  • Average visibility in June: 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).

Sterling, Colorado, USA

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