Climate and monthly weather forecast
Lyons, CO

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Weather in January

January, like December, in Lyons, Colorado, is another cold winter month, with an average temperature varying between 36.7°F (2.6°C) and 19°F (-7.2°C). Lyons's entry into January measures an average high-temperature of a still wintry 36.7°F (2.6°C), closely parallel to the preceding month. Weather in January »

Weather in February

February, the last month of the winter in Lyons, is another cold month, with an average temperature ranging between max 36.1°F (2.3°C) and min 17.8°F (-7.9°C). An average high-temperature of a still cold 36.1°F (2.3°C) marks February, exhibiting a close resemblance to the conditions in January. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Lyons, Colorado, with an average temperature varying between 25.9°F (-3.4°C) and 46.2°F (7.9°C). Lyons's weather in March presents a rise in the average high-temperature, moving from a cold 36.1°F (2.3°C) in February to a frosty 46.2°F (7.9°C). Weather in March »

Weather in April

April in Lyons, Colorado, is a fresh spring month, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 30°F (-1.1°C). The transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a chilly 46.2°F (7.9°C) to a cool 52.3°F (11.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Lyons, Colorado, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 61.5°F (16.4°C). The onset of May brings a rise in the average high-temperature, elevating from a cool 52.3°F (11.3°C) in April to a refreshing 61.5°F (16.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Lyons, Colorado, with an average temperature ranging between max 76.6°F (24.8°C) and min 49.6°F (9.8°C). With the onset of June, Lyons's weather experiences a distinct temperature rise, moving from an enjoyable 61.5°F (16.4°C) in May to a moderately hot 76.6°F (24.8°C). Weather in June »

Weather in July

July, like June, in Lyons, Colorado, is a moderately hot summer month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 80.6°F (27°C). July is Lyons's warmest month, registering average high temperatures of 80.6°F (27°C) and lows of 54.5°F (12.5°C). The heat index in July is evaluated at 80.6°F (27°C). Weather in July »

Weather in August

August, the last month of the summer in Lyons, is another warm month, with an average temperature varying between 79.5°F (26.4°C) and 53.2°F (11.8°C). The high-temperature average in August for Lyons is a still warm 79.5°F (26.4°C), staying closely aligned with July's conditions. Weather in August »

Weather in September

September, the first month of the autumn in Lyons, is still a pleasant month, with an average temperature varying between 47.3°F (8.5°C) and 72.5°F (22.5°C). The beginning of September brings a minor change in the average high-temperature, shifting from a moderately hot 79.5°F (26.4°C) in August to a pleasant 72.5°F (22.5°C). Weather in September »

Weather in October

October, the same as September, in Lyons, Colorado, is a moderate autumn month, with an average temperature fluctuating between 56.8°F (13.8°C) and 34.9°F (1.6°C). October's arrival signals a distinct temperature shift, dropping from a pleasant 72.5°F (22.5°C) in September to a mild 56.8°F (13.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Lyons, is another chilly month, with an average temperature varying between 45.7°F (7.6°C) and 26.4°F (-3.1°C). Transition from October to November is accompanied by a temperature drop, with average high-temperatures decreasing from a mild 56.8°F (13.8°C) to a chilly 45.7°F (7.6°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Lyons, Colorado, with an average temperature fluctuating between 35.4°F (1.9°C) and 17.6°F (-8°C). Lyons, Colorado, experiences its lowest temperatures in December, with an average peak of 35.4°F (1.9°C) and a low of 17.6°F (-8°C). Weather in December »
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Frequently asked questions

What is the driest month in Lyons?

January is the month with the least rainfall. Rain falls for 5.4 days and accumulates 0.55" (14mm) of precipitation.

How much does it rain in Lyons?

In Lyons, during the entire year, the rain falls for 134.2 days and collects up to 17.13" (435mm) of precipitation.

When does it snow in Lyons?

Months with snowfall are January through May, October through December.

How much does it snow in Lyons?

Throughout the year, in Lyons, there are 53.5 snowfall days, and 42.36" (1076mm) of snow is accumulated.

What are the months with the lowest UV index in Lyons?

The months with the lowest UV index in Lyons are January, February, October through December, with an average maximum UV index of 2.

What is the most humid month in Lyons?

The most humid month is February, with an average relative humidity of 71%.

What is the month with the least sunshine in Lyons?

The month with the least sunshine is February, with an average of 6.6h of sunshine.

When is Daylight Saving Time (DST) in Lyons?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Lyons, 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.

When does it snow the most in Lyons?

The month with the most snowfall in Lyons, Colorado, is April, when snow falls for 5.8 days and typically aggregates up to 8.39" (213mm) of snow.

What is the rainiest month in Lyons?

May is the month with the most rainfall in Lyons, Colorado. Rain falls for 18.3 days and accumulates 2.72" (69mm) of precipitation.

What is the least humid month in Lyons?

The months with the lowest humidity are June, August and September, with an average relative humidity of 46%.

When it does not snow in Lyons?

June through September are months without snowfall in Lyons.

When are the longest days in Lyons?

The month with the longest days is June, with an average of 15h and 0min of daylight.

What are the months with the most sunshine in Lyons?

June and July, with an average of 11.7h of sunshine, are months with the most sunshine.

What are the months with the highest UV index in Lyons?

The months with the highest UV index in Lyons are June through August, with an average maximum UV index of 5.

What is the warmest month in Lyons?

Lyons's warmest temperatures are experienced in July, with average high temperatures of 80.6°F (27°C) and lows of 54.5°F (12.5°C).

What is the coldest time of year in Lyons?

December, on average, is the coldest month, registering a high temperature of 35.4°F (1.9°C) and a low of 17.6°F (-8°C).

What is the month with the shortest days in Lyons?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Lyons, CO

Average temperature - Lyons, CO

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is December (35.4°F).

The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is December (17.6°F).

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Average pressure
Lyons, CO

Average pressure - Lyons, CO

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).

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Average wind speed
Lyons, CO

Average wind speed - Lyons, CO

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity
Lyons, CO

Average humidity - Lyons, CO

The month with the highest relative humidity is February (71%).
The months with the lowest relative humidity are June, August and September (46%).

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Average rainfall
Lyons, CO

Average rainfall - Lyons, CO

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days
Lyons, CO

Average rainfall days - Lyons, CO

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (3.6 days).

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Average snowfall
Lyons, CO

Average snowfall - Lyons, CO

The month with the highest snowfall is April (8.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Lyons, CO

Average snowfall days - Lyons, CO

The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Lyons, CO

Average daylight / Average sunshine - Lyons, CO

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The months with the most sunshine are June and July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

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Average sunshine days
Lyons, CO

Average sunshine days - Lyons, CO

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (7.3 days).

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Average UV index
Lyons, CO

Average UV index - Lyons, CO

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average visibility
Lyons, CO

Average visibility - Lyons, 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).

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Lyons, Colorado, USA

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