Sterling
Colorado, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Sterling, CO

January, like December, in Sterling, Colorado, is a wintry winter month, with average temperature varying between 23.9°F (-4.5°C) and 39°F (3.9°C). In Sterling, the average high-temperature is essentially the same as in December - a still wintry 39°F (3.9°C). Weather in January »

February, the last month of the winter, in Sterling, is also a wintry month, with average temperature ranging between max 40.8°F (4.9°C) and min 24.1°F (-4.4°C). In Sterling, Colorado, the average high-temperature in February is almost the same as in January - a still wintry 40.8°F (4.9°C). Weather in February »

The first month of the spring, March, is a cool month in Sterling, Colorado, with average temperature fluctuating between 34.3°F (1.3°C) and 53.8°F (12.1°C). In March, the average high-temperature increases, from a cold 40.8°F (4.9°C) in February, to a cool 53.8°F (12.1°C). Weather in March »

April is a moderate spring month in Sterling, Colorado, with average temperature fluctuating between 39.7°F (4.3°C) and 59.7°F (15.4°C). In Sterling, Colorado, the average high-temperature in April marginally rises, from a fresh 53.8°F (12.1°C) in March, to a moderate 59.7°F (15.4°C). Weather in April »

May, the last month of the spring, in Sterling, is an agreeable month, with average temperature fluctuating between 47.8°F (8.8°C) and 68.9°F (20.5°C). In May, the average high-temperature rises, from a moderate 59.7°F (15.4°C) in April, to a pleasant 68.9°F (20.5°C). Weather in May »

June, the first month of the summer, in Sterling, is a moderately hot month, with average temperature ranging between min 59.7°F (15.4°C) and max 82.6°F (28.1°C). In June, the average high-temperature rises, from a pleasant 68.9°F (20.5°C) in May, to a moderately hot 82.6°F (28.1°C). Weather in June »

July is a hot summer month in Sterling, Colorado, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 88.5°F (31.4°C). The warmest month is July, with an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 65.8°F (18.8°C). The average heat index is appraised at a tropical 91.6°F (33.1°C). Weather in July »

August, the last month of the summer, in Sterling, is another tropical month, with average temperature fluctuating between 63.3°F (17.4°C) and 86.2°F (30.1°C). In Sterling, the average high-temperature is relatively the same as in July - a still hot 86.2°F (30.1°C). Weather in August »

September, the first month of the autumn, in Sterling, is also a moderately hot month, with average temperature fluctuating between 78.8°F (26°C) and 56.3°F (13.5°C). In September, the average high-temperature marginally drops, from a tropical 86.2°F (30.1°C) in August, to a warm 78.8°F (26°C). Weather in September »

October, like September, in Sterling, Colorado, is another enjoyable autumn month, with average temperature fluctuating between 61.7°F (16.5°C) and 42.6°F (5.9°C). In Sterling, the average high-temperature declines considerably, from a moderately hot 78.8°F (26°C) in September, to a comfortable 61.7°F (16.5°C). Weather in October »

The last month of the autumn, November, is also a fresh month in Sterling, Colorado, with average temperature fluctuating between 50°F (10°C) and 32.9°F (0.5°C). In Sterling, the average high-temperature decreases, from an enjoyable 61.7°F (16.5°C) in October, to a fresh 50°F (10°C). Weather in November »

The first month of the winter, December, is also a wintry month in Sterling, Colorado, with average temperature varying between 37.8°F (3.2°C) and 23°F (-5°C). December is the coldest month, with an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 23°F (-5°C). Weather in December »

What is the most humid month in Sterling?

With an average relative humidity of 65%, January is the most humid month.

How many days does it rain in Sterling?

Throughout the year, there are 123.2 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

What is the driest month in Sterling?

January is the month with the least rainfall in Sterling. Rain falls for 4.8 days and accumulates 0.35" (9mm) of precipitation.

When does it snow in Sterling?

January through May, October through December are months with snowfall in Sterling, Colorado.

How much does it snow in Sterling?

Throughout the year, there are 34.4 snowfall days, and 12.13" (308mm) of snow is accumulated.

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

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

What is the snowiest month in Sterling?

February is the month with the most snowfall in Sterling, Colorado. Snow falls for 6.7 days and accumulates 2.68" (68mm) of snow.

What is the month with the least sunshine in Sterling?

The month with the least sunshine is February, with an average of 6.3h of sunshine.

What is the rainiest month in Sterling?

May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 2.95" (75mm) of precipitation.

When it does not snow in Sterling?

In Sterling snow does not fall in June through September.

When are the longest days in Sterling?

With an average of 15h of daylight, June has the longest days of the year.

What is the month with the most sunshine in Sterling?

Months with the most sunshine are June and August, with an average of 11.7h of sunshine.

When is the highest UV index in Sterling?

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

What is the warmest month in Sterling?

With an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 65.8°F (18.8°C), July is the warmest month in Sterling, Colorado.

What is the least humid month in Sterling?

September is the least humid month in Sterling, with an average relative humidity of 47%.

What is the coldest month in Sterling?

December is the coldest month in Sterling, Colorado, with an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 23°F (-5°C).

What is the month with the shortest days in Sterling?

The month with the shortest days in Sterling, Colorado, is December, with an average of 9.3h of daylight.
Average temperature - Sterling, CO
Average rainfall - Sterling, CO

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the lowest rainfall) is January (0.35").

Average rainfall days - Sterling, CO

The month with the highest number of rainy days is May (17.3 days).
The month with the lowest number of rainy days is February (4.2 days).

Average snowfall - Sterling, CO
Average snowfall days - Sterling, CO

The month with the highest number of snowfall days is February (6.7 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Sterling, CO

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).

Months with most sunshine are June and August (Average sunshine: 11.7h).
The month with least sunshine is February (Average sunshine: 6.3h).

Average UV index - Sterling, CO