June weather forecast
Westminster, CO

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Weather in June

June, the first month of the summer in Westminster, is a warm month, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 83.1°F (28.4°C).

Temperature

June is characterized by a clear rise in the average high-temperature, escalating from May's pleasant 68°F (20°C) to a warm 83.1°F (28.4°C). Throughout June, Westminster braces for a considerable drop from daytime highs, with an average low-temperature of 55.6°F (13.1°C).

Heat index

The average heat index in June is estimated at 82.4°F (28°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

The months with the lowest humidity are June and August, with an average relative humidity of 40%.

Rainfall

In Westminster, Colorado, in June, it is raining for 11.6 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, in Westminster, there are 101.9 rainfall days, and 10.91" (277mm) of precipitation is accumulated.

Snowfall

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

Daylight

June has the longest days of the year, with an average of 15h and 0min of daylight.
On the first day of June, sunrise is at 5:33 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:32 pm MDT.

Sunshine

The months with the most sunshine are June and July, with an average of 11.8h 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 value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 6 during June translates into the following guidance:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

How hot is June in Westminster?

In Westminster, 83.1°F (28.4°C) is the average high-temperature and 55.6°F (13.1°C) is the average low-temperature during June. In June, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 82.4°F (28°C).

What are the least humid months in Westminster?

The months with the lowest humidity in Westminster are June and August, with an average relative humidity of 40%.

What is the average humidity in June in Westminster?

In June, the average relative humidity in Westminster is 40%.

How many days does it rain in June in Westminster?

In June, in Westminster, the rain falls for 11.6 days. Throughout June, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in Westminster?

June through September are months without snowfall in Westminster, Colorado.

Does it snow in Westminster in June?

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

When are the longest days in Westminster?

The month with the longest days in Westminster is June, with an average of 15h and 0min of daylight.

What is the average length of the day in June in Westminster?

In Westminster, the average day length in June is 14h and 57min.

When are sunrise and sunset in June in Westminster?

In June, on the first day of the month, sunrise is at 5:33 am and sunset at 8:22 pm. On the last day of the month, in Westminster, Colorado, sunrise is at 5:35 am and sunset at 8:32 pm MDT.

What are the months with the most sunshine in Westminster?

The months with the most sunshine are June and July, with an average of 11.8h of sunshine.

How long on average sun shines in June in Westminster?

The average sunshine duration in June is 11.8h.

What are the months with the highest UV index in Westminster?

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

What is the UV index intensity in June in Westminster?

The average daily maximum UV index in June in Westminster, Colorado, 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
Westminster, CO

Average temperature in June - Westminster, CO
  • Average high temperature in June: 83.1°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in June: 55.6°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).

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Average pressure in June
Westminster, CO

Average pressure in June - Westminster, CO
  • Average pressure in June: 29.91"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).

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Average wind speed in June
Westminster, CO

Average wind speed in June - Westminster, CO
  • Average wind speed in June: 6.3mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are August, September and December (5.8mph).

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Average humidity in June
Westminster, CO

Average humidity in June - Westminster, CO
  • Average humidity in June: 40%

The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (40%).

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Average rainfall in June
Westminster, CO

Average rainfall in June - Westminster, CO
  • Average rainfall in June: 1.06"

The wettest month (with the highest rainfall) is May (2.05").
The driest months (with the least rainfall) are January and December (0.35").

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Average rainfall days in June
Westminster, CO

Average rainfall days in June - Westminster, CO
  • Average rainfall days in June: 11.6 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (3.3 days).

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Average snowfall in June
Westminster, CO

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

The month with the highest snowfall is April (5.55").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in June
Westminster, CO

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

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in June / Average sunshine in June - Westminster, 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 24min).

  • Average sunshine in June: 11h and 5min

The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in June
Westminster, CO

Average sunshine days in June - Westminster, CO
  • Average sunshine days in June: 12.8 days

The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in June
Westminster, CO

Average UV index in June - Westminster, 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).

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Average cloud cover in June
Westminster, CO

Average cloud cover in June - Westminster, CO
  • Average cloud cover in June: 16

The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in June
Westminster, CO

Average visibility in June - Westminster, 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).

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Westminster, Colorado, USA

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