October weather forecast
Niwot, CO

Share

Weather in October

October, like September, in Niwot, Colorado, is another refreshing autumn month, with an average temperature fluctuating between 38.3°F (3.5°C) and 61.5°F (16.4°C).

Temperature

October is marked by a significant decrease, with the average high-temperature retreating from a warm 77.2°F (25.1°C) in September to a comfortable 61.5°F (16.4°C). In the month of October, Niwot witnesses a marked temperature drop at night, averaging a low of 38.3°F (3.5°C).

Humidity

In October, the average relative humidity is 49%.

Rainfall

In Niwot, in October, during 5.9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Niwot, Colorado, during the entire year, the rain falls for 105.4 days and collects up to 10.43" (265mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 2.5 snowfall days, it receives 3.15" (80mm) of snow. Throughout the year, there are 37.1 snowfall days, and 26.73" (679mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 7min.
On the first day of October, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:58 pm MDT.

Sunshine

In October, the average sunshine is 7.4h.

UV index

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 3 in October transforms into this advice:
Take precautions - Protection against sunburn is recommended. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

Frequently asked questions

What is the temperature in October?

In Niwot, in October, the average high-temperature is 61.5°F (16.4°C), and the average low-temperature is 38.3°F (3.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is appraised at 84.2°F (29°C).

What is the average humidity in October?

The average relative humidity in October is 49%.

How many days does it rain in October?

In Niwot, in October, it is raining for 5.9 days, with typically 0.67" (17mm) of accumulated precipitation.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 2.5 snowfall days, it receives 3.15" (80mm) of snow.

What is the average length of the day in October?

In Niwot, the average day length in October is 11h and 7min.

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of the month, in Niwot, sunrise is at 7:29 am and sunset at 5:58 pm MDT.

How long on average sun shines in October?

In October, the average sunshine duration is 7.4h.

What is the UV index intensity in October?

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Niwot, CO

Average temperature in October - Niwot, CO
  • Average high temperature in October: 61.5°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 October: 38.3°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 October
Niwot, CO

Average pressure in October - Niwot, CO
  • Average pressure in October: 30.03"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 October
Niwot, CO

Average wind speed in October - Niwot, CO
  • Average wind speed in October: 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).

Average humidity in October
Niwot, CO

Average humidity in October - Niwot, CO
  • Average humidity in October: 49%

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

Average rainfall in October
Niwot, CO

Average rainfall in October - Niwot, CO
  • Average rainfall in October: 0.67"

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 October
Niwot, CO

Average rainfall days in October - Niwot, CO
  • Average rainfall days in October: 5.9 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 October
Niwot, CO

Average snowfall in October - Niwot, CO
  • Average snowfall in October: 3.15"

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 October
Niwot, CO

Average snowfall days in October - Niwot, CO
  • Average snowfall days in October: 2.5 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 October /
Average sunshine in October
Niwot, CO

Average daylight in October / Average sunshine in October - Niwot, CO
  • Average daylight in October: 11h and 1min

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 October: 7h and 2min

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 October
Niwot, CO

Average sunshine days in October - Niwot, CO
  • Average sunshine days in October: 20.6 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 October
Niwot, CO

Average UV index in October - Niwot, CO
  • Average UV index in October: 3

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 October
Niwot, CO

Average cloud cover in October - Niwot, CO
  • Average cloud cover in October: 18

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 October
Niwot, CO

Average visibility in October - Niwot, CO
  • Average visibility in October: 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

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location