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

Monthly weather forecast and climate
Alamosa, CO

A vast field near the iconic dune field in Alamosa, Colorado, with a back view of the vast brown sandy dune hotbed and distant mountain ranges
A vast field near the iconic dune field in Alamosa, Colorado, with a back view of the vast brown sandy dune hotbed and distant mountain ranges
January, the same as December, is a wintry winter month in Alamosa, Colorado, with average temperature varying between 33.1°F (0.6°C) and -3.6°F (-19.8°C). The coldest month is January, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of -3.6°F (-19.8°C). Weather in January »
February, the last month of the winter, in Alamosa, is also a wintry month, with average temperature varying between 4.6°F (-15.2°C) and 40.3°F (4.6°C). In February, the average high-temperature slightly increases, from a wintry 33.1°F (0.6°C) in January, to a still cold 40.3°F (4.6°C). Weather in February »

The first month of the spring, March, is a frosty month in Alamosa, Colorado, with average temperature fluctuating between 15.8°F (-9°C) and 49.6°F (9.8°C). In Alamosa, Colorado, the average high-temperature increases, from a cold 40.3°F (4.6°C) in February, to a frosty 49.6°F (9.8°C). Weather in March »

April is a mild spring month in Alamosa, Colorado, with average temperature varying between 58.6°F (14.8°C) and 22.8°F (-5.1°C). In April, the average high-temperature rises, from a frosty 49.6°F (9.8°C) in March, to a moderate 58.6°F (14.8°C). Weather in April »

The last month of the spring, May, is an agreeable month in Alamosa, Colorado, with average temperature ranging between max 68.4°F (20.2°C) and min 32.4°F (0.2°C). In May, the average high-temperature increases, from a moderate 58.6°F (14.8°C) in April, to a pleasant 68.4°F (20.2°C). Weather in May »

June, the first month of the summer, in Alamosa, is a moderately hot month, with temperature in the range of an average low of 40.5°F (4.7°C) and an average high of 78.4°F (25.8°C). In Alamosa, the average high-temperature rises, from a pleasant 68.4°F (20.2°C) in May, to a warm 78.4°F (25.8°C). Weather in June »

July, like June, in Alamosa, Colorado, is another warm summer month, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 81.7°F (27.6°C). The warmest month is July, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 46.4°F (8°C). Weather in July »

The last month of the summer, August, is another warm month in Alamosa, Colorado, with average temperature varying between 79°F (26.1°C) and 45.1°F (7.3°C). In Alamosa, the average high-temperature in August is almost the same as in July - a still warm 79°F (26.1°C). Weather in August »

September, the first month of the autumn, in Alamosa, is also an agreeable month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 36.5°F (2.5°C). In September, the average high-temperature marginally drops, from a warm 79°F (26.1°C) in August, to a pleasant 72.5°F (22.5°C). Weather in September »

October, like September, in Alamosa, Colorado, is another comfortable autumn month, with average temperature ranging between max 61.7°F (16.5°C) and min 23.9°F (-4.5°C). In October, the average high-temperature decreases, from an agreeable 72.5°F (22.5°C) in September, to a comfortable 61.7°F (16.5°C). Weather in October »

November, the last month of the autumn, in Alamosa, is also a frosty month, with average temperature ranging between max 45.7°F (7.6°C) and min 11.1°F (-11.6°C). In November, the average high-temperature significantly decreases, from an enjoyable 61.7°F (16.5°C) in October, to a chilly 45.7°F (7.6°C). Weather in November »

The first month of the winter, December, is still a cold month in Alamosa, Colorado, with average temperature varying between -0.8°F (-18.2°C) and 34.9°F (1.6°C). In December, the average high-temperature decreases, from a chilly 45.7°F (7.6°C) in November, to a wintry 34.9°F (1.6°C). Weather in December »

What is the coldest month in Alamosa?

January is the coldest month in Alamosa, Colorado, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of -3.6°F (-19.8°C).

How many days does it rain in Alamosa?

Throughout the year, in Alamosa, there are 67.8 rainfall days, and 7.3" (184.2mm) of precipitation is accumulated.

When does it snow in Alamosa?

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

How many days does it snow in Alamosa?

Throughout the year, in Alamosa, there are 25.8 snowfall days, and 31.8" (807.7mm) of snow is accumulated.

What is the month with the least sunshine in Alamosa?

January, November and December, with an average of 7h of sunshine, are months with the least sunshine in Alamosa, Colorado.

What is the driest month in Alamosa?

February is the month with the least rainfall in Alamosa, Colorado. Rain falls for 3.8 days and accumulates 0.2" (5.3mm) of precipitation.

When does it snow the most in Alamosa?

March is the month with the most snowfall. Snow falls for 4.9 days and accumulates 5.9" (149.9mm) of snow.

What are the months with the most sunshine in Alamosa?

Months with the most sunshine are May through July, with an average of 11h of sunshine.

When are the longest days in Alamosa?

June has the longest days of the year, with an average of 14.7h of daylight.

When is the highest UV index in Alamosa?

June and July, with an average maximum UV index of 11, are months with the highest UV index in Alamosa, Colorado.

What is the warmest month in Alamosa?

With an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 46.4°F (8°C), July is the warmest month in Alamosa.

What is the wettest month in Alamosa?

The month with the most rainfall is August when the rain falls for 10.1 days and typically aggregates up to 1.2" (30.2mm) of precipitation.

What is the month with the shortest days in Alamosa?

With an average of 9.6h of daylight, December has the shortest days of the year.

When is the lowest UV index in Alamosa?

With an average maximum UV index of 2, December is the month with the lowest UV index in Alamosa.
Average temperature - Alamosa, CO
Average rainfall - Alamosa, CO
Average rainfall days - Alamosa, CO

The month with the highest number of rainy days is August (10.1 days).
Months with the lowest number of rainy days are January and February (3.8 days).

Average snowfall - Alamosa, CO
Average snowfall days - Alamosa, CO

The month with the highest number of snowfall days is March (4.9 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Alamosa, CO

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

Months with most sunshine are May, June and July (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 7).