Climate and monthly weather forecast
Sillsville, CO

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Weather in January

January, like December, is another subzero cold winter month in Sillsville, Colorado, with an average temperature ranging between min 1.8°F (-16.8°C) and max 26.1°F (-3.3°C). The coldest time of the year is January, with temperatures averaging a high of 26.1°F (-3.3°C) and a low of 1.8°F (-16.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Sillsville, Colorado, with an average temperature fluctuating between 27°F (-2.8°C) and 3.7°F (-15.7°C). February ushers in an average high-temperature of a still freezing cold 27°F (-2.8°C), aligning closely with the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Sillsville, Colorado, with an average temperature ranging between min 12.2°F (-11°C) and max 34.5°F (1.4°C). As February transitions into March, a subtle temperature shift is observed, with average highs adjusting from a subzero cold 27°F (-2.8°C) 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 an average temperature varying between 43.3°F (6.3°C) and 22.3°F (-5.4°C). The beginning of April marks a minor shift in the average high-temperature, moving from March's icy 34.5°F (1.4°C) to a chilly 43.3°F (6.3°C). Weather in April »

Weather in May

May, the last month of the spring in Sillsville, is a refreshing month, with an average temperature varying between 55.4°F (13°C) and 30°F (-1.1°C). Observing a rise in May, the average high-temperature goes from April's 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 shift into June is marked by a noticeable escalation in the average high-temperature, rising from May's mild 55.4°F (13°C) 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 fluctuating between 44.6°F (7°C) and 74.8°F (23.8°C). The warmest time of the year is July, with temperatures averaging a high of 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 also an agreeable month in Sillsville, Colorado, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 72.5°F (22.5°C). The transition from July to August sees average high-temperatures adjusting to an agreeable 72.5°F (22.5°C), from a not significantly different 74.8°F (23.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Sillsville, is also an enjoyable month, with an average temperature fluctuating between 66.2°F (19°C) and 37.9°F (3.3°C). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's agreeable 72.5°F (22.5°C) to a refreshing 66.2°F (19°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Sillsville, Colorado, with an average temperature ranging between max 51.4°F (10.8°C) and min 26.8°F (-2.9°C). October signals a clear temperature drop, with average high-temperatures decreasing from September's comfortable 66.2°F (19°C) to a cool 51.4°F (10.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an icy month in Sillsville, Colorado, with an average temperature fluctuating between 16°F (-8.9°C) and 38.3°F (3.5°C). A subtle decrease in the average high-temperature marks November, falling from October's fresh 51.4°F (10.8°C) to a wintry 38.3°F (3.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Sillsville, Colorado, with an average temperature ranging between max 26.8°F (-2.9°C) and min 3.7°F (-15.7°C). A shift in the average high-temperature occurs in December, reducing from an icy 38.3°F (3.5°C) in November to a freezing cold 26.8°F (-2.9°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Sillsville?

In Sillsville, the lowest temperatures are generally noted in January, averaging a high of 26.1°F (-3.3°C) and a low of 1.8°F (-16.8°C).

How many days does it rain in Sillsville?

Throughout the year, there are 88.8 rainfall days, and 9.61" (244mm) of precipitation is accumulated.

When does it snow in Sillsville?

January through June, October through December are months with snowfall in Sillsville, Colorado.

How many days does it snow in Sillsville?

Throughout the year, in Sillsville, Colorado, there are 91.9 snowfall days, and 51.77" (1315mm) of snow is accumulated.

What is the month with the lowest UV index in Sillsville?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the most humid month in Sillsville?

With an average relative humidity of 88%, February is the most humid month in Sillsville.

What is the rainiest month in Sillsville?

The wettest months are February and March, with an average 1.18" (30mm) of rainfall.

What is the snowiest month in Sillsville?

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.

What is the month with the least sunshine in Sillsville?

February has the least sunshine of the year, with an average of 6.4h of sunshine.

When is Daylight Saving Time (DST) in Sillsville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sillsville, 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 least humid month in Sillsville?

The least humid month is June, with an average relative humidity of 44%.

When are the longest days in Sillsville?

June has the longest days of the year, with an average of 14h and 48min of daylight.

What month has the most sunshine in Sillsville?

With an average of 12h of sunshine, June has the most sunshine of the year in Sillsville, Colorado.

What month is the hottest in Sillsville?

The warmest time of the year in Sillsville is July, with temperatures averaging a high of 74.8°F (23.8°C) and a low of 44.6°F (7°C).

When it does not snow in Sillsville?

In Sillsville, Colorado, snow does not fall in July through September.

What is the month with the highest UV index in Sillsville?

The month with the highest UV index in Sillsville is July, with an average maximum UV index of 5.

What is the driest month in Sillsville?

The month with the least rainfall in Sillsville, Colorado, is September, when the rain falls for 5.7 days and typically collects 0.35" (9mm) of precipitation.

What is the month with the shortest days in Sillsville?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

Average temperature
Sillsville, CO

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).

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Average pressure
Sillsville, CO

Average pressure - Sillsville, CO

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is April (29.94"Hg).

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Average wind speed
Sillsville, CO

Average wind speed - Sillsville, CO

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).

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Average rainfall
Sillsville, CO

Average rainfall - Sillsville, CO

The wettest months (with the highest rainfall) are February and March (1.18").
The driest month (with the least rainfall) is September (0.35").

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Average rainfall days
Sillsville, CO

Average rainfall days - Sillsville, CO

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).

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Average snowfall
Sillsville, CO

Average snowfall - Sillsville, CO

The month with the highest snowfall is February (9.37").
The months with the least snowfall are July, August and September (0").

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Average snowfall days
Sillsville, CO

Average snowfall days - Sillsville, CO

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).

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Average daylight / Average sunshine
Sillsville, CO

Average daylight / Average sunshine - Sillsville, CO

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).

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).

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Average sunshine days
Sillsville, CO

Average sunshine days - Sillsville, CO

The month with the most sunshine days is June (23.1 days).
The month with the least sunshine days is February (10.3 days).

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Average UV index
Sillsville, CO

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).

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Average visibility
Sillsville, CO

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).

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Sillsville, Colorado, USA

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