Climate and monthly weather forecastBoone, CO
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Boone, Colorado, with an average temperature fluctuating between 25.7°F (-3.5°C) and 44.6°F (7°C). Welcoming January, Boone notes an average high-temperature of a still chilly 44.6°F (7°C), nearly consistent with December's 43°F (6.1°C). Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Boone, Colorado, with temperature in the range of an average high of 45.3°F (7.4°C) and an average low of 26.1°F (-3.3°C). February's presence records an average high-temperature of a still frosty 45.3°F (7.4°C), closely mirroring January's climate. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Boone, Colorado, with an average temperature varying between 35.6°F (2°C) and 57.4°F (14.1°C). As Boone transitions into March, a rise in the average high-temperature is observed, moving from a frosty 45.3°F (7.4°C) in February to a refreshing 57.4°F (14.1°C). Weather in March »Weather in April
April in Boone, Colorado, is an enjoyable spring month, with an average temperature fluctuating between 64°F (17.8°C) and 41.7°F (5.4°C). With the onset of April, Boone's weather sees a minor temperature rise, transitioning from a mild 57.4°F (14.1°C) in March to a still refreshing 64°F (17.8°C). Weather in April »Weather in May
May, the last month of the spring in Boone, is a pleasant month, with an average temperature ranging between max 72.9°F (22.7°C) and min 49.6°F (9.8°C). The embrace of May brings a minor uplift in the average high-temperature, shifting from a comfortable 64°F (17.8°C) in April to an agreeable 72.9°F (22.7°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Boone, Colorado, with an average temperature varying between 61.7°F (16.5°C) and 87.1°F (30.6°C). In June, the average high-temperature increases from an agreeable 72.9°F (22.7°C) in May to a hot 87.1°F (30.6°C). Weather in June »Weather in July
July, like June, is another hot summer month in Boone, Colorado, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 66.7°F (19.3°C). July is the month when Boone sees the highest average temperatures, with a high of 89.2°F (31.8°C) and a low of 66.7°F (19.3°C). The heat index in July is computed to be a hot 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Boone, Colorado, with an average temperature ranging between max 87.4°F (30.8°C) and min 64.9°F (18.3°C). The shift into August reveals an average high-temperature of a still tropical 87.4°F (30.8°C), closely mirroring July's climate. Weather in August »Weather in September
September, the first month of the autumn in Boone, is also a moderately hot month, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 80.1°F (26.7°C). September is characterized by a slight reduction in average high-temperature, easing from a tropical 87.4°F (30.8°C) in August to a moderately hot 80.1°F (26.7°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Boone, Colorado, with temperature in the range of an average low of 43.9°F (6.6°C) and an average high of 65.3°F (18.5°C). As October begins, there is a noticeable decrease in the average high-temperature, falling from a moderately hot 80.1°F (26.7°C) in September to a comfortable 65.3°F (18.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Boone, Colorado, with an average temperature fluctuating between 53.8°F (12.1°C) and 33.8°F (1°C). With November's onset, the weather shows a temperature decrease, transitioning from an enjoyable 65.3°F (18.5°C) in October to a fresh 53.8°F (12.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Boone, Colorado, with temperature in the range of an average high of 43°F (6.1°C) and an average low of 24.4°F (-4.2°C). December is the month that records the lowest temperatures, with averages ranging from a high of 43°F (6.1°C) to a low of 24.4°F (-4.2°C). Weather in December »Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Boone, during the entire year, the rain falls for 83.6 days and collects up to 9.29" (236mm) of precipitation.
Months with snowfall are January through May, October through December.
Throughout the year, there are 26.6 snowfall days, and 14.06" (357mm) of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The most humid month is February, with an average relative humidity of 59%.
February is the month with the most snowfall. Snow falls for 6.3 days and accumulates 3.23" (82mm) of snow.
The month with the least sunshine is February, with an average of 6.7h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
The least humid month is June, with an average relative humidity of 36%.
In Boone, snow does not fall in June through September.
June has the longest days of the year, with an average of 14h and 48min of daylight.
June has the most sunshine of the year, with an average of 12h of sunshine.
The month with the highest UV index is June, with an average maximum UV index of 7.
The warmest temperatures occur during July, when averages reach a peak of 89.2°F (31.8°C) and a low of 66.7°F (19.3°C).
July is the month with the most rainfall. Rain falls for 14 days and accumulates 1.81" (46mm) of precipitation.
The coldest month is December, with an average high-temperature of 43°F (6.1°C) and an average low-temperature of 24.4°F (-4.2°C).
December is the month with the least rainfall. Rain falls for 3.5 days and accumulates 0.28" (7mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Boone, CO
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (43°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).
Average pressure
Boone, CO
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
29.97"Hg - Average pressure in April:
29.88"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is April (29.88"Hg).
Average wind speed
Boone, CO
- Average wind speed in January:
7.4mph - Average wind speed in February:
7.8mph - Average wind speed in March:
8.7mph - Average wind speed in April:
9.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8.6mph
- Average wind speed in July:
7.6mph - Average wind speed in August:
7.2mph - Average wind speed in September:
7.5mph - Average wind speed in October:
7.6mph - Average wind speed in November:
7.4mph - Average wind speed in December:
7.1mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (7.1mph).
Average humidity
Boone, CO
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is June (36%).
Average rainfall
Boone, CO
- Average rainfall in January:
0.35" - Average rainfall in February:
0.55" - Average rainfall in March:
0.51" - Average rainfall in April:
0.71" - Average rainfall in May:
1.14" - Average rainfall in June:
1.06"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.22" - Average rainfall in September:
0.55" - Average rainfall in October:
0.75" - Average rainfall in November:
0.35" - Average rainfall in December:
0.28"
The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is December (0.28").
Average rainfall days
Boone, CO
- Average rainfall days in January:
2.5 days - Average rainfall days in February:
3.1 days - Average rainfall days in March:
5.4 days - Average rainfall days in April:
8.4 days - Average rainfall days in May:
10.6 days - Average rainfall days in June:
10.1 days
- Average rainfall days in July:
14 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
7.6 days - Average rainfall days in October:
4.8 days - Average rainfall days in November:
2.3 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (2.3 days).
Average snowfall
Boone, CO
- Average snowfall in January:
2.01" - Average snowfall in February:
3.23" - Average snowfall in March:
1.61" - Average snowfall in April:
1.3" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Boone, CO
- Average snowfall days in January:
5.3 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
2.1 days - Average snowfall days in May:
0.3 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 days - Average snowfall days in October:
2.3 days - Average snowfall days in November:
3 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Boone, CO
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
6h and 42min - Average sunshine in March:
9h and 6min - Average sunshine in April:
10h and 54min - Average sunshine in May:
11h and 30min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 42min - Average sunshine in September:
10h and 54min - Average sunshine in October:
7h and 42min - Average sunshine in November:
7h and 12min - Average sunshine in December:
6h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days
Boone, CO
- Average sunshine days in January:
24.1 days - Average sunshine days in February:
20.7 days - Average sunshine days in March:
22.8 days - Average sunshine days in April:
18.4 days - Average sunshine days in May:
17.5 days - Average sunshine days in June:
16.1 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
19.5 days - Average sunshine days in October:
23.3 days - Average sunshine days in November:
24.9 days - Average sunshine days in December:
25.1 days
The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (12.3 days).
Average UV index
Boone, CO
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Boone, CO
The month with the most cloud cover is February (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility
Boone, 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).
