January weather forecast
Delta, CO

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Weather in January

January, like December, in Delta, Colorado, is another cold winter month, with an average temperature fluctuating between -9.2°C (15.4°F) and 0.6°C (33.1°F).

Temperature

Delta records the coldest temperatures in January, averaging a high of 0.6°C (33.1°F) and a low of -9.2°C (15.4°F).

Humidity

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

Rainfall

In Delta, Colorado, during January, the rain falls for 8.3 days and regularly aggregates up to 29mm (1.14") of precipitation. In Delta, during the entire year, the rain falls for 120.8 days and collects up to 357mm (14.06") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Delta. In Delta, in January, snow falls for 10.3 days, with typically accumulated 144mm (5.67") of snow. In Delta, during the entire year, snow falls for 43.4 days and aggregates up to 581mm (22.87") of snow.

Daylight

In January, the average length of the day in Delta is 9h and 49min.
On the first day of the month, sunrise is at 7:30 am and sunset at 5:01 pm. On the last day of January, in Delta, sunrise is at 7:19 am and sunset at 5:32 pm MST.

Sunshine

The month with the least sunshine is January, with an average of 6.1h of sunshine.

UV index

The months with the lowest UV index in Delta, Colorado, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What part of the year is the coldest in Delta?

January is the coldest month in Delta, Colorado, with the temperature often reaching an average high of 0.6°C (33.1°F) and an average low of -9.2°C (15.4°F).

How cold is it in Delta in January?

January temperatures in Delta vary between a high-temperature of 0.6°C (33.1°F) and a low-temperature of -9.2°C (15.4°F).

What is the most humid month in Delta?

With an average relative humidity of 81%, January is the most humid month.

What is the average humidity in January in Delta?

In January, the average relative humidity is 81%.

How many days does it rain in January in Delta?

In Delta, Colorado, in January, it is raining for 8.3 days, with typically 29mm (1.14") of accumulated precipitation.

How many days does it snow in January in Delta?

In January, it is snowing for 10.3 days. Throughout January, 144mm (5.67") of snow is accumulated.

How many hours of daylight does Delta have in January?

In Delta, Colorado, the average day length in January is 9h and 49min.

When are sunrise and sunset in January in Delta?

On the first day of January, sunrise is at 7:30 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:32 pm MST.

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.

How many hours of sunshine does Delta have in January?

In January, the average sunshine duration in Delta is 6.1h.

When is the lowest UV index in Delta?

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

How high is the UV index in January in Delta?

In Delta, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Delta, CO

Average temperature in January - Delta, CO
  • Average high temperature in January: 0.6°C

The warmest month (with the highest average high temperature) is July (28.7°C).
The month with the lowest average high temperature is January (0.6°C).

  • Average low temperature in January: -9.2°C

The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).

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Average pressure in January
Delta, CO

Average pressure in January - Delta, CO
  • Average pressure in January: 1024.6mbar

The month with the highest atmospheric pressure is January (1024.6mbar).
The month with the lowest atmospheric pressure is May (1013.1mbar).

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Average wind speed in January
Delta, CO

Average wind speed in January - Delta, CO
  • Average wind speed in January: 6.3km/h

The windiest month (with the highest average wind speed) is June (11.2km/h).
The calmest month (with the lowest average wind speed) is January (6.3km/h).

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Average humidity in January
Delta, CO

Average humidity in January - Delta, CO
  • Average humidity in January: 81%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (34%).

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Average rainfall in January
Delta, CO

Average rainfall in January - Delta, CO
  • Average rainfall in January: 29mm

The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is June (18mm).

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Average rainfall days in January
Delta, CO

Average rainfall days in January - Delta, CO
  • Average rainfall days in January: 8.3 days

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).

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Average snowfall in January
Delta, CO

Average snowfall in January - Delta, CO
  • Average snowfall in January: 144mm

The month with the highest snowfall is December (149mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in January
Delta, CO

Average snowfall days in January - Delta, CO
  • Average snowfall days in January: 10.3 days

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

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Average daylight in January /
Average sunshine in January
Delta, CO

Average daylight in January / Average sunshine in January - Delta, CO
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 6h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

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Average sunshine days in January
Delta, CO

Average sunshine days in January - Delta, CO
  • Average sunshine days in January: 17.8 days

The months with the most sunshine days are June and November (20.4 days).
The month with the least sunshine days is August (13.3 days).

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Average UV index in January
Delta, CO

Average UV index in January - Delta, CO
  • Average UV index in January: 2

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, November and December (UV index 2).

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Average cloud cover in January
Delta, CO

Average cloud cover in January - Delta, CO
  • Average cloud cover in January: 33

The months with the most cloud cover are January and February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 11).

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Average visibility in January
Delta, CO

Average visibility in January - Delta, CO
  • Average visibility in January: 8km

The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and February (8km).

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Delta, Colorado, USA

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