Climate and monthly weather forecastHolly, CO
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Holly, Colorado, with an average temperature ranging between max 45.7°F (7.6°C) and min 27°F (-2.8°C). Holly's average high-temperature in January is a still frosty 45.7°F (7.6°C), marking an insignificant difference from the 44.4°F (6.9°C) of December. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Holly, Colorado, with an average temperature varying between 48.2°F (9°C) and 28.6°F (-1.9°C). Transitioning from January to February, Holly observes an average high-temperature of a still frosty 48.2°F (9°C), differing subtly from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Holly, Colorado, with an average temperature fluctuating between 60.4°F (15.8°C) and 38.3°F (3.5°C). Holly's transition into March is marked by a temperature shift, moving from a frosty 48.2°F (9°C) in February to a moderate 60.4°F (15.8°C). Weather in March »Weather in April
April in Holly, Colorado, is an enjoyable spring month, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 67.6°F (19.8°C). April brings a slight rise in Holly's average high-temperature, moving from a moderate 60.4°F (15.8°C) in March to a still refreshing 67.6°F (19.8°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Holly, Colorado, with an average temperature varying between 53.2°F (11.8°C) and 76.8°F (24.9°C). May brings an increase in the average high-temperature, progressing from a comfortable 67.6°F (19.8°C) in April to a moderately hot 76.8°F (24.9°C). Weather in May »Weather in June
June, the first month of the summer in Holly, is a tropical month, with an average temperature fluctuating between 67.3°F (19.6°C) and 90.9°F (32.7°C). With the onset of June, Holly's weather sees a temperature rise, transitioning from a moderately hot 76.8°F (24.9°C) in May to a hot 90.9°F (32.7°C). Weather in June »Weather in July
July, the same as June, in Holly, Colorado, is another hot summer month, with an average temperature fluctuating between 93.2°F (34°C) and 70.9°F (21.6°C). In Holly, the average temperatures in July are the highest, with a peak at 93.2°F (34°C) and a low of 70.9°F (21.6°C). In July, the average heat index is estimated at a fiery hot 98.6°F (37°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Holly, Colorado, with an average temperature ranging between max 90.5°F (32.5°C) and min 68.2°F (20.1°C). The shift to August signals an average high-temperature of a still tropical 90.5°F (32.5°C), subtly varied from July's 93.2°F (34°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Holly, Colorado, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 61.7°F (16.5°C). The arrival of September corresponds with a light shift in temperature, down from a tropical 90.5°F (32.5°C) in August to a moderately hot 83.3°F (28.5°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Holly, Colorado, with an average temperature ranging between min 47.5°F (8.6°C) and max 67.8°F (19.9°C). In Holly, stepping into October signifies a significant temperature decrement, moving down from September's warm 83.3°F (28.5°C) to a refreshing 67.8°F (19.9°C). Weather in October »Weather in November
November, the last month of the autumn in Holly, is another mild month, with an average temperature ranging between max 56.1°F (13.4°C) and min 36.3°F (2.4°C). A moderate decline in the average high-temperature is seen during November, decreasing from an enjoyable 67.8°F (19.9°C) in October to a mild 56.1°F (13.4°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Holly, Colorado, with temperature in the range of an average high of 44.4°F (6.9°C) and an average low of 26.1°F (-3.3°C). The month of December sees the lowest average temperatures, reaching 44.4°F (6.9°C) at the peak and 26.1°F (-3.3°C) at the low. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Holly, CO
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is December (44.4°F).
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure
Holly, CO
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
29.96"Hg - Average pressure in April:
29.85"Hg - Average pressure in May:
29.85"Hg - Average pressure in June:
29.79"Hg
- Average pressure in July:
29.87"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).
Average wind speed
Holly, CO
- Average wind speed in January:
9.9mph - Average wind speed in February:
10.9mph - Average wind speed in March:
11.8mph - Average wind speed in April:
12.9mph - Average wind speed in May:
12.1mph - Average wind speed in June:
12.4mph
- Average wind speed in July:
10.9mph - Average wind speed in August:
10.4mph - Average wind speed in September:
11.6mph - Average wind speed in October:
11.1mph - Average wind speed in November:
10.5mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is January (9.9mph).
Average humidity
Holly, CO
The month with the highest relative humidity is January (60%).
The month with the lowest relative humidity is June (44%).
Average rainfall
Holly, CO
- Average rainfall in January:
0.28" - Average rainfall in February:
0.31" - Average rainfall in March:
0.75" - Average rainfall in April:
0.87" - Average rainfall in May:
1.77" - Average rainfall in June:
1.97"
The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days
Holly, CO
- Average rainfall days in January:
3.2 days - Average rainfall days in February:
2.5 days - Average rainfall days in March:
6.3 days - Average rainfall days in April:
9.7 days - Average rainfall days in May:
11.8 days - Average rainfall days in June:
10.7 days
- Average rainfall days in July:
11.8 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
6.7 days - Average rainfall days in November:
2.8 days - Average rainfall days in December:
2.8 days
The months with the highest number of rainy days are May and July (11.8 days).
The month with the least rainy days is February (2.5 days).
Average snowfall
Holly, CO
- Average snowfall in January:
0.98" - Average snowfall in February:
1.14" - Average snowfall in March:
1.02" - Average snowfall in April:
0.16" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is December (1.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Holly, CO
- Average snowfall days in January:
3.9 days - Average snowfall days in February:
4.2 days - Average snowfall days in March:
1.9 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0.1 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:
1.2 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
4.3 days
The month with the highest number of snowfall days is December (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Holly, 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:
6h and 48min - Average sunshine in February:
6h and 24min - Average sunshine in March:
8h and 30min - Average sunshine in April:
10h and 30min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
11h and 36min - Average sunshine in August:
11h and 36min - Average sunshine in September:
10h and 0min - Average sunshine in October:
8h and 12min - Average sunshine in November:
7h and 0min - Average sunshine in December:
6h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days
Holly, CO
- Average sunshine days in January:
24.4 days - Average sunshine days in February:
22.2 days - Average sunshine days in March:
22.5 days - Average sunshine days in April:
18.3 days - Average sunshine days in May:
16.8 days - Average sunshine days in June:
16.1 days
- Average sunshine days in July:
16 days - Average sunshine days in August:
16.7 days - Average sunshine days in September:
18.9 days - Average sunshine days in October:
22.1 days - Average sunshine days in November:
24.8 days - Average sunshine days in December:
24.6 days
The month with the most sunshine days is November (24.8 days).
The month with the least sunshine days is July (16 days).
Average UV index
Holly, CO
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover
Holly, CO
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility
Holly, 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).





