June weather forecast
Niwot, CO

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Weather in June

June, the first month of the summer in Niwot, is a warm month, with an average temperature ranging between max 81.1°F (27.3°C) and min 54.3°F (12.4°C).

Temperature

With the onset of June, Niwot's weather experiences a distinct temperature rise, moving from a comfortable 66.4°F (19.1°C) in May to a warm 81.1°F (27.3°C). Despite a significant daily temperature range, Niwot's temperature falls to a steady low-temperature average of 54.3°F (12.4°C) in June.

Heat index

The heat index value for June is estimated at 80.6°F (27°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. 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 'real feel' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In June, the average relative humidity is 43%.

Rainfall

In June, the rain falls for 11.2 days. Throughout June, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 105.4 rainfall days, and 10.43" (265mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The month with the longest days in Niwot is June, with an average of 15h and 0min of daylight.
On the first day of June in Niwot, Colorado, sunrise is at 5:33 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:33 pm MDT.

Sunshine

With an average of 11.9h of sunshine, June has the most sunshine of the year.

UV index

In Niwot, the average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in June transforms into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Feb 10, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are June temperatures in Niwot?

The average high-temperature, in June, in Niwot, is 81.1°F (27.3°C), while the average low-temperature is 54.3°F (12.4°C). In June, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is estimated at 80.6°F (27°C).

What is the average humidity in June in Niwot?

In June, the average relative humidity in Niwot, Colorado, is 43%.

How many days does it rain in June in Niwot?

In Niwot, Colorado, in June, it is raining for 11.2 days, with typically 0.94" (24mm) of accumulated precipitation.

When it does not snow in Niwot?

June through September are months without snowfall in Niwot.

Does it snow in Niwot in June?

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

When are the longest days in Niwot?

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

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

In June, the average day length is 14h and 59min.

When are sunrise and sunset in June in Niwot?

On the first day of June in Niwot, sunrise is at 5:33 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:33 pm MDT.

What month has the most sunshine in Niwot?

The month with the most sunshine in Niwot, Colorado, is June, with an average of 11.9h of sunshine.

How many hours of sunshine does Niwot have in June?

In June, the average sunshine duration in Niwot is 11.9h.

What is the UV index intensity in June in Niwot?

The average daily maximum UV index in June in Niwot, Colorado, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from 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
Niwot, CO

Average temperature in June - Niwot, CO
  • Average high temperature in June: 81.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (39°F).

  • Average low temperature in June: 54.3°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (19.9°F).

Average pressure in June
Niwot, CO

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).

Average wind speed in June
Niwot, CO

Average wind speed in June - Niwot, CO
  • Average wind speed in June: 6mph

The windiest months (with the highest average wind speed) are March and April (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.6mph).

Average humidity in June
Niwot, CO

Average humidity in June - Niwot, CO
  • Average humidity in June: 43%

The month with the highest relative humidity is February (66%).
The month with the lowest relative humidity is August (42%).

Average rainfall in June
Niwot, CO

Average rainfall in June - Niwot, CO
  • Average rainfall in June: 0.94"

The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in June
Niwot, CO

Average rainfall days in June - Niwot, CO
  • Average rainfall days in June: 11.2 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (3.5 days).

Average snowfall in June
Niwot, CO

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

The month with the highest snowfall is November (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Niwot, CO

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

The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in June / Average sunshine in June - Niwot, 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 month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

Average sunshine days in June
Niwot, CO

Average sunshine days in June - Niwot, CO
  • Average sunshine days in June: 15.1 days

The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in June
Niwot, CO

Average UV index in June - Niwot, CO
  • Average UV index in June: 5

The months with the highest UV index are 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
Niwot, CO

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

The months with the most cloud cover are April and May (Cloud cover 26).
The months with the least cloud cover are June and September (Cloud cover 16).

Average visibility in June
Niwot, CO

Average visibility in June - Niwot, 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).

Niwot, Colorado, USA

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