Climate and monthly weather forecastGreenhorn, CO
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Greenhorn, Colorado, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 42.4°F (5.8°C). Upon the onset of January, Greenhorn witnesses an average high-temperature of a still wintry 42.4°F (5.8°C), showing a close resemblance to the prior month. Weather in January »Weather in February
February, the last month of the winter in Greenhorn, is a chilly month, with an average temperature ranging between max 43.2°F (6.2°C) and min 24.3°F (-4.3°C). February ushers in an average high-temperature of a frosty 43.2°F (6.2°C), aligning closely with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Greenhorn, Colorado, with temperature in the range of an average high of 54.7°F (12.6°C) and an average low of 33.6°F (0.9°C). Greenhorn in March shows a temperature shift, moving from an average high of a frosty 43.2°F (6.2°C) in February to a cool 54.7°F (12.6°C). Weather in March »Weather in April
April is a comfortable spring month in Greenhorn, Colorado, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 39°F (3.9°C). April witnesses a minor rise in the average high-temperature, transitioning from a fresh 54.7°F (12.6°C) in March to a comfortable 61.5°F (16.4°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Greenhorn, Colorado, with an average temperature fluctuating between 70.3°F (21.3°C) and 46.6°F (8.1°C). The start of May signals a slight increase in the average high-temperature, moving from a refreshing 61.5°F (16.4°C) in April to a pleasant 70.3°F (21.3°C). Weather in May »Weather in June
June, the first month of the summer in Greenhorn, is a moderately hot month, with temperature in the range of an average low of 58.3°F (14.6°C) and an average high of 83.8°F (28.8°C). The arrival of June sees a shift in the average high-temperature, moving from a pleasant 70.3°F (21.3°C) in May to a warm 83.8°F (28.8°C). Weather in June »Weather in July
July is a hot summer month in Greenhorn, Colorado, with an average temperature varying between 63.1°F (17.3°C) and 86.2°F (30.1°C). July proves to be the warmest month, recording an average peak temperature of 86.2°F (30.1°C) and a minimum temperature of 63.1°F (17.3°C). July's mean heat index is computed to be a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Greenhorn, Colorado, with temperature in the range of an average high of 84.6°F (29.2°C) and an average low of 61.3°F (16.3°C). As Greenhorn welcomes August, the average high-temperature stabilizes at a warm 84.6°F (29.2°C), showing little deviation from July's 86.2°F (30.1°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Greenhorn, Colorado, with an average temperature ranging between min 55.6°F (13.1°C) and max 77.5°F (25.3°C). The transition to September results in a modest reduction in average high-temperature, moving from a warm 84.6°F (29.2°C) in August to a still moderately hot 77.5°F (25.3°C). Weather in September »Weather in October
October, like September, in Greenhorn, Colorado, is another enjoyable autumn month, with an average temperature ranging between min 41.7°F (5.4°C) and max 63.5°F (17.5°C). A decrease in the average high-temperature is observed during October, shifting from a warm 77.5°F (25.3°C) in September to a refreshing 63.5°F (17.5°C). Weather in October »Weather in November
November, the last month of the autumn in Greenhorn, is also a fresh month, with an average temperature fluctuating between 52.5°F (11.4°C) and 32°F (0°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a refreshing 63.5°F (17.5°C) in October to a cool 52.5°F (11.4°C). Weather in November »Weather in December
December, the first month of the winter in Greenhorn, is also an icy month, with an average temperature varying between 23°F (-5°C) and 41.5°F (5.3°C). December is the coldest month, with the temperature often reaching an average high of 41.5°F (5.3°C) and an average low of 23°F (-5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Greenhorn, CO
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (41.5°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure
Greenhorn, CO
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).
Average wind speed
Greenhorn, CO
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.4mph - Average wind speed in March:
7.9mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.6mph - Average wind speed in September:
6.8mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Greenhorn, CO
The month with the highest relative humidity is February (62%).
The month with the lowest relative humidity is June (38%).
Average rainfall
Greenhorn, CO
- Average rainfall in January:
0.47" - Average rainfall in February:
0.83" - Average rainfall in March:
0.83" - Average rainfall in April:
1.14" - Average rainfall in May:
1.81" - Average rainfall in June:
1.69"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.44" - Average rainfall in September:
1.1" - Average rainfall in October:
0.94" - Average rainfall in November:
0.43" - Average rainfall in December:
0.47"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is November (0.43").
Average rainfall days
Greenhorn, CO
- Average rainfall days in January:
4.4 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
14 days - Average rainfall days in June:
13.1 days
- Average rainfall days in July:
20.4 days - Average rainfall days in August:
19 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
5.5 days - Average rainfall days in November:
3.9 days - Average rainfall days in December:
4.4 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (3.9 days).
Average snowfall
Greenhorn, CO
- Average snowfall in January:
2.91" - Average snowfall in February:
6.06" - Average snowfall in March:
2.87" - Average snowfall in April:
2.36" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Greenhorn, CO
- Average snowfall days in January:
6.5 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
2.4 days - Average snowfall days in May:
0.6 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:
3.9 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Greenhorn, 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 12min - 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 48min - Average sunshine in March:
9h and 12min - Average sunshine in April:
11h and 0min - 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 48min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 42min - Average sunshine in November:
7h and 18min - Average sunshine in December:
7h and 0min
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 48min).
Average sunshine days
Greenhorn, CO
- Average sunshine days in January:
22.6 days - Average sunshine days in February:
17.9 days - Average sunshine days in March:
19.6 days - Average sunshine days in April:
15 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
5.1 days - Average sunshine days in August:
6.4 days - Average sunshine days in September:
13 days - Average sunshine days in October:
21.3 days - Average sunshine days in November:
23.8 days - Average sunshine days in December:
23 days
The month with the most sunshine days is November (23.8 days).
The month with the least sunshine days is July (5.1 days).
Average UV index
Greenhorn, CO
The months with the highest UV index are June, 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
Greenhorn, CO
The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June and September (Cloud cover 14).
Average visibility
Greenhorn, 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).





