Climate and monthly weather forecast
Littleton, CO

The hilly slopes on the South Platte River during the fall, large rocks, and stones in the river below
The hilly slopes on the South Platte River during the fall, large rocks, and stones in the river below

Weather in January

January, the same as December, is a wintry winter month in Littleton, Colorado, with an average temperature fluctuating between 41.5°F (5.3°C) and 22.1°F (-5.5°C). In January, the average high-temperature is practically the same as in December - a still cold 41.5°F (5.3°C). Weather in January »

Weather in February

February, the last month of the winter in Littleton, is another cold month, with temperature in the range of an average low of 21.4°F (-5.9°C) and an average high of 41.7°F (5.4°C). In Littleton, the average high-temperature in February is almost the same as in January - a still cold 41.7°F (5.4°C). Weather in February »

Weather in March

March, the first month of the spring in Littleton, is a fresh month, with an average temperature varying between 52.3°F (11.3°C) and 30°F (-1.1°C). In March, the average high-temperature increases from a wintry 41.7°F (5.4°C) in February to a fresh 52.3°F (11.3°C). Weather in March »

Weather in April

April in Littleton, Colorado, is a moderate spring month, with an average temperature fluctuating between 58.6°F (14.8°C) and 34.3°F (1.3°C). In April, the average high-temperature marginally rises from a fresh 52.3°F (11.3°C) in March to a mild 58.6°F (14.8°C). Weather in April »

Weather in May

May, the last month of the spring in Littleton, is an enjoyable month, with an average temperature fluctuating between 67.5°F (19.7°C) and 43.2°F (6.2°C). In Littleton, the average high-temperature in May marginally rises from a mild 58.6°F (14.8°C) in April to an enjoyable 67.5°F (19.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Littleton, Colorado, with an average temperature varying between 82.2°F (27.9°C) and 54.7°F (12.6°C). In Littleton, the average high-temperature in June significantly increases from a comfortable 67.5°F (19.7°C) in May to a warm 82.2°F (27.9°C). Weather in June »

Weather in July

July is a tropical summer month in Littleton, Colorado, with an average temperature varying between 59.7°F (15.4°C) and 86°F (30°C). With an average high-temperature of 86°F (30°C) and an average low-temperature of 59.7°F (15.4°C), July is the warmest month. The average heat index in July is evaluated at a hot 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Littleton, is also a moderately hot month, with an average temperature ranging between max 84.7°F (29.3°C) and min 58.5°F (14.7°C). In August, the average high-temperature is essentially the same as in July - a moderately hot 84.7°F (29.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Littleton, Colorado, with an average temperature varying between 77.7°F (25.4°C) and 52.2°F (11.2°C). In September, the average high-temperature slightly decreases from 84.7°F (29.3°C) in August to a still warm 77.7°F (25.4°C). Weather in September »

Weather in October

October, like September, in Littleton, Colorado, is another enjoyable autumn month, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 62.4°F (16.9°C). In October, the average high-temperature plummets from a warm 77.7°F (25.4°C) in September to an enjoyable 62.4°F (16.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Littleton, Colorado, with an average temperature varying between 52°F (11.1°C) and 29.7°F (-1.3°C). In Littleton, the average high-temperature in November decreases from a comfortable 62.4°F (16.9°C) in October to a cool 52°F (11.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Littleton, Colorado, with an average temperature ranging between max 41°F (5°C) and min 21°F (-6.1°C). The coldest month is December, with an average high-temperature of 41°F (5°C) and an average low-temperature of 21°F (-6.1°C). Weather in December »
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FAQ

What is the driest month in Littleton?

The month with the least rainfall in Littleton is January, when the rain falls for 3 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain in Littleton?

Throughout the year, in Littleton, there are 101.2 rainfall days, and 11.89" (302mm) of precipitation is accumulated.

When does it snow in Littleton?

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

How many days does it snow in Littleton?

In Littleton, during the entire year, snow falls for 42.7 days and aggregates up to 34.92" (887mm) of snow.

When is the lowest UV index in Littleton?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Littleton, Colorado.

What is the most humid month in Littleton?

The most humid month is February, with an average relative humidity of 65%.

What is the snowiest month in Littleton?

February is the month with the most snowfall in Littleton, Colorado. Snow falls for 9.2 days and accumulates 6.3" (160mm) of snow.

What is the month with the least sunshine in Littleton?

The month with the least sunshine is February, with an average of 6.8h of sunshine.

When is Daylight Saving Time (DST) in Littleton?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from MDT to MST.

What is the rainiest month in Littleton?

The month with the most rainfall in Littleton is May, when the rain falls for 15.8 days and typically aggregates up to 2.05" (52mm) of precipitation.

What are the least humid months in Littleton?

June and August, with an average relative humidity of 41%, are the least humid months.

When it does not snow in Littleton?

In Littleton, snow does not fall in June through September.

When are the longest days in Littleton?

June has the longest days of the year in Littleton, with an average of 14h and 56min of daylight.

What is the month with the most sunshine in Littleton?

June through August, with an average of 11.8h of sunshine, are months with the most sunshine in Littleton, Colorado.

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

June through August, with an average maximum UV index of 6, are months with the highest UV index in Littleton, Colorado.

What is the warmest month in Littleton?

With an average high-temperature of 86°F (30°C) and an average low-temperature of 59.7°F (15.4°C), July is the warmest month.

What is the coldest month in Littleton?

With an average high-temperature of 41°F (5°C) and an average low-temperature of 21°F (-6.1°C), December is the coldest month.

What is the month with the shortest days in Littleton?

December has the shortest days of the year, with an average of 9h and 25min of daylight.

Average pressure
Littleton, CO

Average pressure - Littleton, CO

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

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Average wind speed
Littleton, CO

Average wind speed - Littleton, CO

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is September (6mph).

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Average humidity
Littleton, CO

Average humidity - Littleton, CO

The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (41%).

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Average rainfall
Littleton, CO

Average rainfall - Littleton, CO

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days
Littleton, CO

Average rainfall days - Littleton, CO

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3 days).

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Average snowfall
Littleton, CO

Average snowfall - Littleton, CO

The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Littleton, CO

Average snowfall days - Littleton, CO

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Littleton, CO

Average daylight / Average sunshine - Littleton, CO

The month with the longest days is June (Average daylight: 14h and 56min).
The month with the shortest days is December (Average daylight: 9h and 25min).

The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

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Average sunshine days
Littleton, CO

Average sunshine days - Littleton, CO

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (10 days).

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Average UV index
Littleton, CO

Average UV index - Littleton, 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).

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Average visibility
Littleton, CO

Average visibility - Littleton, 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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