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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is a wintry winter month in Niwot, Colorado, with an average temperature ranging between max 40.1°F (4.5°C) and min 21.2°F (-6°C). Entering January, the average high-temperature is recorded at a still cold 40.1°F (4.5°C), exhibiting a minimal shift from December's 39°F (3.9°C). Weather in January »
Weather in February
February, the last month of the winter in Niwot, is another cold month, with an average temperature varying between 20.8°F (-6.2°C) and 40.3°F (4.6°C). February's arrival registers an average high-temperature of a still icy 40.3°F (4.6°C), closely aligning with the temperature of the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Niwot, Colorado, with an average temperature fluctuating between 29.7°F (-1.3°C) and 51.4°F (10.8°C). In Niwot, the average high-temperature in March rises, from an icy 40.3°F (4.6°C) in February, to a cool 51.4°F (10.8°C). Weather in March »
Weather in April
April is a moderate spring month in Niwot, Colorado, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 57.7°F (14.3°C). The onset of April introduces a subtle rise in the average high-temperature, nudging from a cool 51.4°F (10.8°C) in March to a moderate 57.7°F (14.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Niwot, Colorado, with an average temperature varying between 66.4°F (19.1°C) and 42.6°F (5.9°C). May's arrival sees a mild rise in the average high-temperature, transitioning from April's mild 57.7°F (14.3°C) to a comfortable 66.4°F (19.1°C). Weather in May »
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). 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). Weather in June »
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). 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. During July, the heat index is estimated at a tropical 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Niwot, is also a moderately hot month, with an average temperature fluctuating between 84.7°F (29.3°C) and 57.4°F (14.1°C). The advent of August observes an average high-temperature of a still moderately hot 84.7°F (29.3°C), nearly identical to July's 85.6°F (29.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Niwot, is also a moderately hot month, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 51.1°F (10.6°C). Niwot's transition into September involves a gentle shift in temperature, receding from a moderately hot 84.7°F (29.3°C) in August to a still warm 77.2°F (25.1°C). Weather in September »
Weather in October
October, like September, in Niwot, Colorado, is another enjoyable autumn month, with an average temperature ranging between min 38.3°F (3.5°C) and max 61.5°F (16.4°C). Niwot's weather undergoes a significant change with the arrival of October, as the average high-temperature drops from a warm 77.2°F (25.1°C) in September to a comfortable 61.5°F (16.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Niwot, Colorado, with an average temperature fluctuating between 29.1°F (-1.6°C) and 50.4°F (10.2°C). The start of November comes with a reduction in the average high-temperature, receding from a comfortable 61.5°F (16.4°C) in October to a fresh 50.4°F (10.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Niwot, Colorado, with an average temperature varying between 19.9°F (-6.7°C) and 39°F (3.9°C). The lowest temperatures are recorded in December, with averages reaching a high of 39°F (3.9°C) and a low of 19.9°F (-6.7°C). Weather in December »
[Resources]Frequently asked questions
What is the driest month in Niwot?
January is the month with the least rainfall. Rain falls for 3.5 days and accumulates 0.35" (9mm) of precipitation.
How many days does it rain in Niwot?
In Niwot, during the entire year, the rain falls for 105.4 days and collects up to 10.43" (265mm) of precipitation.
When does it snow in Niwot?
Months with snowfall are January through May, October through December.
How many days does it snow in Niwot?
In Niwot, during the entire year, snow falls for 37.1 days and aggregates up to 26.73" (679mm) of snow.
What are the months with the lowest UV index in Niwot?
The months with the lowest UV index in Niwot, Colorado, are January, February, November and December, with an average maximum UV index of 2.
What is the most humid month in Niwot?
The most humid month in Niwot, Colorado, is February, with an average relative humidity of 66%.
What is the month with the least sunshine in Niwot?
With an average of 6.8h of sunshine, February has the least sunshine of the year in Niwot, Colorado.
When is Daylight Saving Time (DST) in Niwot?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Niwot, Colorado, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the wettest month in Niwot?
The month with the most rainfall in Niwot, Colorado, is May, when the rain falls for 15 days and typically aggregates up to 1.69" (43mm) of precipitation.
When it does not snow in Niwot?
June through September are months without snowfall in Niwot.
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 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.
What are the warmest months in Niwot?
July is the warmest month in Niwot, Colorado, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 59.2°F (15.1°C).
What are the months with the highest UV index in Niwot?
The months with the highest UV index are July and August, with an average maximum UV index of 6.
What is the least humid month in Niwot?
August is the least humid month in Niwot, with an average relative humidity of 42%.
When does it snow the most in Niwot?
The month with the most snowfall is November, when snow falls for 5.4 days and typically aggregates up to 4.41" (112mm) of snow.
What is the coldest time of year in Niwot?
With its average high temperature of 39°F (3.9°C) and a low of 19.9°F (-6.7°C), December is regarded as the coldest month in Niwot.
What is the month with the shortest days in Niwot?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Niwot, CO
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).
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
Niwot, CO
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.12"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
Niwot, CO
- Average wind speed in January:
6.2mph - Average wind speed in February:
6mph - Average wind speed in March:
6.6mph - Average wind speed in April:
6.6mph - Average wind speed in May:
5.9mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
5.6mph - Average wind speed in October:
5.7mph - Average wind speed in November:
5.9mph - Average wind speed in December:
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
Niwot, CO
The month with the highest relative humidity is February (66%).
The month with the lowest relative humidity is August (42%).
Average rainfall
Niwot, CO
- Average rainfall in January:
0.35" - Average rainfall in February:
0.51" - Average rainfall in March:
0.83" - Average rainfall in April:
1.14" - Average rainfall in May:
1.69" - Average rainfall in June:
0.94"
- Average rainfall in July:
1.54" - Average rainfall in August:
0.98" - Average rainfall in September:
0.75" - Average rainfall in October:
0.67" - Average rainfall in November:
0.63" - Average rainfall in December:
0.39"
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
Niwot, CO
- Average rainfall days in January:
3.5 days - Average rainfall days in February:
3.6 days - Average rainfall days in March:
7.7 days - Average rainfall days in April:
10.7 days - Average rainfall days in May:
15 days - Average rainfall days in June:
11.2 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
9.7 days - Average rainfall days in October:
5.9 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
4.7 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
Niwot, CO
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
Niwot, CO
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
4.9 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
1.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
2.5 days - Average snowfall days in November:
5.4 days - Average snowfall days in December:
6.1 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 / Average sunshine
Niwot, CO
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 January:
7h and 1min - Average sunshine in February:
6h and 5min - Average sunshine in March:
9h and 0min - Average sunshine in April:
10h and 4min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 4min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 2min - Average sunshine in November:
7h and 2min - Average sunshine in December:
6h 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
Niwot, CO
- Average sunshine days in January:
23.4 days - Average sunshine days in February:
18.7 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
13 days - Average sunshine days in June:
15.1 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
11.6 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
20.6 days - Average sunshine days in November:
22.4 days - Average sunshine days in December:
22.5 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
Niwot, CO
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
Niwot, CO
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
Niwot, CO
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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