Climate and monthly weather forecastSillsville, CO
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Sillsville, Colorado, with temperature in the range of an average high of 26.1°F (-3.3°C) and an average low of 1.8°F (-16.8°C). Sillsville's January weather, marked by an average high temperature of 26.1°F (-3.3°C) and an average low temperature of 1.8°F (-16.8°C), is the coldest in the year. Weather in January »Weather in February
February, the last month of the winter in Sillsville, is also a subzero cold month, with temperature in the range of an average high of 27°F (-2.8°C) and an average low of 3.7°F (-15.7°C). February records an average high-temperature of a still freezing cold 27°F (-2.8°C), indicating a minor variation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a cold month in Sillsville, Colorado, with an average temperature varying between 12.2°F (-11°C) and 34.5°F (1.4°C). March's arrival signals a modest temperature shift, moving from a subzero cold 27°F (-2.8°C) in February to a wintry 34.5°F (1.4°C). Weather in March »Weather in April
April is a chilly spring month in Sillsville, Colorado, with temperature in the range of an average high of 43.3°F (6.3°C) and an average low of 22.3°F (-5.4°C). The start of April signals a slight increase in the average high-temperature, moving from an icy 34.5°F (1.4°C) in March to a chilly 43.3°F (6.3°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Sillsville, Colorado, with temperature in the range of an average high of 55.4°F (13°C) and an average low of 30°F (-1.1°C). As April transitions into May, a change in temperatures is observed, with average highs moving from a frosty 43.3°F (6.3°C) to a moderate 55.4°F (13°C). Weather in May »Weather in June
June, the first month of the summer in Sillsville, is an agreeable month, with an average temperature varying between 38.3°F (3.5°C) and 70.3°F (21.3°C). The arrival of June is marked by a notable increase in high-temperatures, climbing from a refreshing 55.4°F (13°C) in May to a pleasant 70.3°F (21.3°C). Weather in June »Weather in July
July is a moderately hot summer month in Sillsville, Colorado, with an average temperature ranging between max 74.8°F (23.8°C) and min 44.6°F (7°C). In Sillsville, the average temperatures in July are the highest, with a peak at 74.8°F (23.8°C) and a low of 44.6°F (7°C). Weather in July »Weather in August
The last month of the summer, August, is another pleasant month in Sillsville, Colorado, with an average temperature fluctuating between 42.4°F (5.8°C) and 72.5°F (22.5°C). With the advent of August, Sillsville's high-temperatures adjust to a pleasant 72.5°F (22.5°C), closely aligning with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Sillsville, is still a refreshing month, with an average temperature varying between 66.2°F (19°C) and 37.9°F (3.3°C). A moderate decline in average high-temperatures is noted in September, moving from an agreeable 72.5°F (22.5°C) in August to an enjoyable 66.2°F (19°C). Weather in September »Weather in October
October, like September, in Sillsville, Colorado, is another fresh autumn month, with temperature in the range of an average low of 26.8°F (-2.9°C) and an average high of 51.4°F (10.8°C). October's arrival witnesses a distinct drop in the average high-temperature, receding from September's refreshing 66.2°F (19°C) to a fresh 51.4°F (10.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Sillsville, Colorado, with an average temperature varying between 38.3°F (3.5°C) and 16°F (-8.9°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a cool 51.4°F (10.8°C) in October to a wintry 38.3°F (3.5°C). Weather in November »Weather in December
December, the first month of the winter in Sillsville, is also a subzero cold month, with an average temperature ranging between max 26.8°F (-2.9°C) and min 3.7°F (-15.7°C). December's arrival correlates with a reduction in the average high-temperature, down from an icy 38.3°F (3.5°C) in November to a subzero cold 26.8°F (-2.9°C). Weather in December »Updated: Aug 22, 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
January, with average temperatures reaching a high of 26.1°F (-3.3°C) and a low of 1.8°F (-16.8°C), is the coldest month.
Throughout the year, in Sillsville, there are 88.8 rainfall days, and 9.61" (244mm) of precipitation is accumulated.
Months with snowfall are January through June, October through December.
In Sillsville, Colorado, during the entire year, snow falls for 91.9 days and aggregates up to 51.77" (1315mm) of snow.
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2.
February is the most humid month, with an average relative humidity of 88%.
The wettest months are February and March, with an average 1.18" (30mm) of rainfall.
The month with the most snowfall is February, when snow falls for 16.2 days and typically aggregates up to 9.37" (238mm) of snow.
The month with the least sunshine is February, with an average of 6.4h 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 44%.
June has the longest days of the year in Sillsville, with an average of 14h and 48min of daylight.
With an average of 12h of sunshine, June has the most sunshine of the year in Sillsville.
Sillsville reaches its average highest temperatures in July, measuring 74.8°F (23.8°C) at the peak and 44.6°F (7°C) at the lowest.
July through September are months without snowfall in Sillsville, Colorado.
July is the month with the highest UV index, with an average maximum UV index of 5.
The month with the least rainfall is September, when the rain falls for 5.7 days and typically collects 0.35" (9mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Sillsville, CO
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (26.1°F).
The month with the highest average low temperature is July (44.6°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).
Average pressure
Sillsville, CO
- Average pressure in January:
30.23"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30.06"Hg - Average pressure in August:
30.07"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.17"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is April (29.94"Hg).
Average wind speed
Sillsville, CO
- Average wind speed in January:
4.6mph - Average wind speed in February:
5mph - Average wind speed in March:
5.2mph - Average wind speed in April:
6.2mph - Average wind speed in May:
6.3mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.7mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.2mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.5mph
The windiest months (with the highest average wind speed) are May and June (6.3mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity
Sillsville, CO
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (44%).
Average rainfall
Sillsville, CO
- Average rainfall in January:
0.87" - Average rainfall in February:
1.18" - Average rainfall in March:
1.18" - Average rainfall in April:
1.06" - Average rainfall in May:
0.91" - Average rainfall in June:
0.43"
- Average rainfall in July:
0.75" - Average rainfall in August:
0.51" - Average rainfall in September:
0.35" - Average rainfall in October:
0.59" - Average rainfall in November:
0.71" - Average rainfall in December:
1.06"
The wettest months (with the highest rainfall) are February and March (1.18").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days
Sillsville, CO
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
8.7 days - Average rainfall days in May:
8.6 days - Average rainfall days in June:
5 days
- Average rainfall days in July:
10.3 days - Average rainfall days in August:
7.3 days - Average rainfall days in September:
5.7 days - Average rainfall days in October:
4.1 days - Average rainfall days in November:
4.4 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is October (4.1 days).
Average snowfall
Sillsville, CO
- Average snowfall in January:
6.81" - Average snowfall in February:
9.37" - Average snowfall in March:
8.7" - Average snowfall in April:
6.34" - Average snowfall in May:
3.31" - Average snowfall in June:
0.12"
The month with the highest snowfall is February (9.37").
The months with the least snowfall are July, August and September (0").
Average snowfall days
Sillsville, CO
- Average snowfall days in January:
14.6 days - Average snowfall days in February:
16.2 days - Average snowfall days in March:
13.7 days - Average snowfall days in April:
12.3 days - Average snowfall days in May:
5.3 days - Average snowfall days in June:
0.4 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.4 days - Average snowfall days in October:
5.4 days - Average snowfall days in November:
9.7 days - Average snowfall days in December:
13.9 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Sillsville, CO
- Average daylight in January:
9h and 48min - 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 30min
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 30min).
- Average sunshine in January:
6h and 30min - Average sunshine in February:
6h and 24min - Average sunshine in March:
8h and 24min - Average sunshine in April:
10h and 42min - 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 12min - Average sunshine in October:
7h and 18min - Average sunshine in November:
7h and 12min - Average sunshine in December:
6h and 30min
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 24min).
Average sunshine days
Sillsville, CO
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
23.1 days
- Average sunshine days in July:
18.2 days - Average sunshine days in August:
20.2 days - Average sunshine days in September:
21.3 days - Average sunshine days in October:
21.9 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is June (23.1 days).
The month with the least sunshine days is February (10.3 days).
Average UV index
Sillsville, CO
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover
Sillsville, CO
The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are June and September (Cloud cover 12).
Average visibility
Sillsville, CO
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
