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

Monthly weather forecast and climate
Delta, CO

January, the same as December, is another cold winter month in Delta, Colorado, with temperature in the range of an average high of 33.1°F (0.6°C) and an average low of 15.4°F (-9.2°C). January is the coldest month, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 15.4°F (-9.2°C). Weather in January »

February, the last month of the winter, in Delta, is another cold month, with average temperature varying between 36.5°F (2.5°C) and 19.4°F (-7°C). In Delta, the average high-temperature in February is relatively the same as in January - a still cold 36.5°F (2.5°C). Weather in February »

The first month of the spring, March, is a chilly month in Delta, Colorado, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 28.6°F (-1.9°C). In March, the average high-temperature rises, from a wintry 36.5°F (2.5°C) in February, to a frosty 46°F (7.8°C). Weather in March »

April is a fresh spring month in Delta, Colorado, with average temperature fluctuating between 33.6°F (0.9°C) and 54.1°F (12.3°C). In Delta, the average high-temperature in April marginally rises, from a frosty 46°F (7.8°C) in March, to a fresh 54.1°F (12.3°C). Weather in April »

May, the last month of the spring, in Delta, is an enjoyable month, with average temperature fluctuating between 64.8°F (18.2°C) and 40.3°F (4.6°C). In May, the average high-temperature rises, from a cool 54.1°F (12.3°C) in April, to a comfortable 64.8°F (18.2°C). Weather in May »

The first month of the summer, June, is a warm month in Delta, Colorado, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 49.8°F (9.9°C). In Delta, the average high-temperature rises, from a comfortable 64.8°F (18.2°C) in May, to a warm 79°F (26.1°C). Weather in June »

July, the same as June, is a moderately hot summer month in Delta, Colorado, with average temperature varying between 83.7°F (28.7°C) and 55.2°F (12.9°C). With an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 55.2°F (12.9°C), July is the warmest month. In July, the average heat index is evaluated at 83.5°F (28.6°C). Weather in July »

August, the last month of the summer, in Delta, is another warm month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 53.4°F (11.9°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 81.1°F (27.3°C). Weather in August »

September, the first month of the autumn, in Delta, is also a moderately hot month, with average temperature ranging between max 73.6°F (23.1°C) and min 47.8°F (8.8°C). In September, the average high-temperature marginally drops, from a warm 81.1°F (27.3°C) in August, to a still moderately hot 73.6°F (23.1°C). Weather in September »

October, like September, is a moderate autumn month in Delta, Colorado, with average temperature ranging between max 58.3°F (14.6°C) and min 36.9°F (2.7°C). In Delta, the average high-temperature significantly decreases, from a warm 73.6°F (23.1°C) in September, to a moderate 58.3°F (14.6°C). Weather in October »

The last month of the autumn, November, is another chilly month in Delta, Colorado, with average temperature fluctuating between 27°F (-2.8°C) and 46.2°F (7.9°C). In November, the average high-temperature drops, from a mild 58.3°F (14.6°C) in October, to a chilly 46.2°F (7.9°C). Weather in November »

December, the first month of the winter, in Delta, is still a cold month, with average temperature varying between 18°F (-7.8°C) and 34.7°F (1.5°C). In December, the average high-temperature decreases, from a frosty 46.2°F (7.9°C) in November, to a wintry 34.7°F (1.5°C). Weather in December »

What is the coldest month in Delta?

The coldest month is January, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 15.4°F (-9.2°C).

What is the most humid month in Delta?

The most humid month in Delta, Colorado, is January, with an average relative humidity of 81%.

How much does it rain in Delta?

In Delta, during the entire year, the rain falls for 120.8 days and collects up to 14.06" (357mm) of precipitation.

When does it snow in Delta?

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

How many days does it snow in Delta?

Throughout the year, there are 43.4 snowfall days, and 22.87" (581mm) of snow is accumulated.

What is the month with the least sunshine in Delta?

With an average of 6.1h of sunshine, January has the least sunshine of the year.

When is the lowest UV index in Delta?

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

What is the least humid month in Delta?

The least humid month is June, with an average relative humidity of 34%.

What is the driest month in Delta?

June is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.71" (18mm) of precipitation.

When it does not snow in Delta?

In Delta, Colorado, snow does not fall in June through September.

When are the longest days in Delta?

The month with the longest days in Delta, Colorado, is June, with an average of 14.8h of daylight.

What month has the most sunshine in Delta?

The month with the most sunshine is June, with an average of 12.1h of sunshine.

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

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

What is the warmest month in Delta?

The warmest month is July, with an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 55.2°F (12.9°C).

What is the rainiest month in Delta?

August is the month with the most rainfall in Delta. Rain falls for 12.3 days and accumulates 1.54" (39mm) of precipitation.

When does it snow the most in Delta?

December is the month with the most snowfall. Snow falls for 10.4 days and accumulates 5.87" (149mm) of snow.

What is the month with the shortest days in Delta?

December has the shortest days of the year, with an average of 9.5h of daylight.
Average rainfall - Delta, CO
Average rainfall days - Delta, CO

The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is June (6.8 days).

Average snowfall - Delta, CO
Average snowfall days - Delta, CO

The month with the highest number of snowfall days is February (10.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Delta, CO

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is June (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 6.1h).

Average UV index - Delta, CO