July weather forecast
Niwot, CO

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Weather in July

July, like June, in Niwot, Colorado, is a moderately hot summer month, with an average temperature fluctuating between 59.2°F (15.1°C) and 85.6°F (29.8°C).

Temperature

July, known for its average high temperature of 85.6°F (29.8°C) and an average low temperature of 59.2°F (15.1°C), is the warmest month.

Heat index

During July, the heat index is estimated at a tropical 86°F (30°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In July, the average relative humidity in Niwot, Colorado, is 45%.

Rainfall

In Niwot, during July, the rain falls for 16 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, in Niwot, there are 105.4 rainfall days, and 10.43" (265mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day in Niwot is 14h and 41min.
On the first day of July, sunrise is at 5:35 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:15 pm MDT.

Sunshine

In Niwot, Colorado, the average sunshine in July is 11.8h.

UV index

July and 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 threat to health from unsafe exposure to UV radiation for average individuals.
Note: In July, an average UV index of 6 transforms into the following instructions:
Ward off overexposure. Defence against solar harm is crucial. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What are the warmest months in Niwot?

July is the warmest month in Niwot, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 59.2°F (15.1°C).

How hot is it in Niwot in July?

In July, in Niwot, the average high-temperature is 85.6°F (29.8°C), and the average low-temperature is 59.2°F (15.1°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in July is estimated at 86°F (30°C).

What is the average humidity in July in Niwot?

In Niwot, the average relative humidity in July is 45%.

How many days does it rain in July in Niwot?

In Niwot, in July, during 16 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow in Niwot?

June through September are months without snowfall.

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

The average day length in July in Niwot is 14h and 41min.

What time are sunrise and sunset in July in Niwot?

In July, on the first day of the month, sunrise is at 5:35 am and sunset at 8:33 pm. On the last day of the month, in Niwot, sunrise is at 5:58 am and sunset at 8:15 pm MDT.

How many hours of sunshine does Niwot have in July?

In July, the average sunshine duration in Niwot, Colorado, is 11.8h.

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

The months with the highest UV index in Niwot, Colorado, are July and August, with an average maximum UV index of 6.

What is the UV index reading in July in Niwot?

In July, the average daily maximum UV index in Niwot is 6. A UV Index value of 6 to 7 symbolizes 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 July
Niwot, CO

Average temperature in July - Niwot, CO
  • Average high temperature in July: 85.6°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 July: 59.2°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).

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Average pressure in July
Niwot, CO

Average pressure in July - Niwot, CO
  • Average pressure in July: 29.99"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).

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Average wind speed in July
Niwot, CO

Average wind speed in July - Niwot, CO
  • Average wind speed in July: 5.7mph

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).

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Average humidity in July
Niwot, CO

Average humidity in July - Niwot, CO
  • Average humidity in July: 45%

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

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Average rainfall in July
Niwot, CO

Average rainfall in July - Niwot, CO
  • Average rainfall in July: 1.54"

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

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Average rainfall days in July
Niwot, CO

Average rainfall days in July - Niwot, CO
  • Average rainfall days in July: 16 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).

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Average snowfall in July
Niwot, CO

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

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

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Average snowfall days in July
Niwot, CO

Average snowfall days in July - Niwot, CO
  • Average snowfall days in July: 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).

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

Average daylight in July / Average sunshine in July - Niwot, CO
  • Average daylight in July: 14h and 4min

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 July: 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).

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Average sunshine days in July
Niwot, CO

Average sunshine days in July - Niwot, CO
  • Average sunshine days in July: 9.3 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).

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Average UV index in July
Niwot, CO

Average UV index in July - Niwot, CO
  • Average UV index in July: 6

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).

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Average cloud cover in July
Niwot, CO

Average cloud cover in July - Niwot, CO
  • Average cloud cover in July: 19

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).

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Average visibility in July
Niwot, CO

Average visibility in July - Niwot, CO
  • Average visibility in July: 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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Niwot, Colorado, USA

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