January weather forecast
Delmar, IA

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Weather in January

January, the same as December, in Delmar, Iowa, is another subzero cold winter month, with an average temperature ranging between max 25.9°F (-3.4°C) and min 13.3°F (-10.4°C).

Temperature

January, with its high-temperature average of 25.9°F (-3.4°C) and a low-temperature average of 13.3°F (-10.4°C), is the coldest month.

Humidity

The most humid month in Delmar is January, with an average relative humidity of 86%.

Rainfall

The month with the least rainfall in Delmar is January, when the rain falls for 5.4 days and typically collects 1.34" (34mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 11 days and accumulates 5.2" (132mm) of snow.

Daylight

In January, the average length of the day is 9h and 32min.
On the first day of the month, sunrise is at 7:30 am and sunset at 4:41 pm. On the last day of January, in Delmar, sunrise is at 7:16 am and sunset at 5:15 pm CST.

Sunshine

January and February, with an average of 3.9h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in Delmar are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 1 during January translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What are the coldest months in Delmar?

Delmar notes the coldest temperatures in January, with a average high of 25.9°F (-3.4°C) and a low of 13.3°F (-10.4°C).

How cold is January in Delmar?

In January, the average high-temperature and low-temperature in Delmar, Iowa, are 25.9°F (-3.4°C) and 13.3°F (-10.4°C) respectively.

What is the most humid month in Delmar?

The most humid month in Delmar, Iowa, is January, with an average relative humidity of 86%.

What is the average humidity in January in Delmar?

In January, the average relative humidity in Delmar is 86%.

What is the driest month in Delmar?

The month with the least rainfall in Delmar, Iowa, is January, when the rain falls for 5.4 days and typically collects 1.34" (34mm) of precipitation.

How many days does it rain in January in Delmar?

In Delmar, in January, it is raining for 5.4 days, with typically 1.34" (34mm) of accumulated precipitation.

What is the snowiest month in Delmar?

January is the month with the most snowfall in Delmar, Iowa. Snow falls for 11 days and accumulates 5.2" (132mm) of snow.

How many days does it snow in January in Delmar?

In January, in Delmar, it is snowing for 11 days. Throughout January, 5.2" (132mm) of snow is accumulated.

How many hours of daylight does Delmar have in January?

In January, the average day length in Delmar, Iowa, is 9h and 32min.

What time are sunrise and sunset in January in Delmar?

In January, on the first day of the month, sunrise is at 7:30 am and sunset at 4:41 pm. On the last day of the month, in Delmar, Iowa, sunrise is at 7:16 am and sunset at 5:15 pm CST.

What is the month with the least sunshine in Delmar?

January and February, with an average of 3.9h of sunshine, are months with the least sunshine in Delmar, Iowa.

How long on average sun shines in January in Delmar?

The average sunshine duration in January is 3.9h.

When is the lowest UV index in Delmar?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in January in Delmar?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
32.7°F 0.4°C
25.9°F -3.4°C
29.7°F -1.3°C
Average low temperature
22.3°F -5.4°C
13.3°F -10.4°C
16.9°F -8.4°C
Average pressure
30.1" 765mmHg
30.13" 765mmHg
30.12" 765mmHg
Average wind speed
9.8mph 15.8km/h
10.2mph 16.4km/h
10.3mph 16.6km/h
Average max. wind speed
10.4mph 16.7km/h
10.9mph 17.5km/h
11mph 17.7km/h
Average wind speed gusts
15.5mph 24.9km/h
16.3mph 26.2km/h
16.4mph 26.4km/h
Average humidity
82%
86%
85%
Average rainfall
1.5" 38mm
1.34" 34mm
1.38" 35mm
Average rainfall days
6.9
5.4
5.3
Average snowfall
2.6" 66mm
5.2" 132mm
4.69" 119mm
Average snowfall days
8.3
11
9.8
Average daylight
9h 1min
9h 3min
10h 4min
Average sunshine
4h 1min
3h 5min
3h 5min
Average sunshine days
17.2
16.5
14.5
Average UV index
1
1
2
Average cloud cover
57%
60%
57%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Delmar, IA

Average temperature in January - Delmar, IA
  • Average high temperature in January: 25.9°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in January: 13.3°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in January
Delmar, IA

Average pressure in January - Delmar, IA
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
Delmar, IA

Average wind speed in January - Delmar, IA
  • Average wind speed in January: 10.2mph

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in January
Delmar, IA

Average humidity in January - Delmar, IA
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in January
Delmar, IA

Average rainfall in January - Delmar, IA
  • Average rainfall in January: 1.34"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days in January
Delmar, IA

Average rainfall days in January - Delmar, IA
  • Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in January
Delmar, IA

Average snowfall in January - Delmar, IA
  • Average snowfall in January: 5.2"

The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Delmar, IA

Average snowfall days in January - Delmar, IA
  • Average snowfall days in January: 11 days

The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Delmar, IA

Average daylight in January / Average sunshine in January - Delmar, IA
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).

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Average sunshine days in January
Delmar, IA

Average sunshine days in January - Delmar, IA
  • Average sunshine days in January: 16.5 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.2 days).

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Average UV index in January
Delmar, IA

Average UV index in January - Delmar, IA
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
Delmar, IA

Average cloud cover in January - Delmar, IA
  • Average cloud cover in January: 60

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in January
Delmar, IA

Average visibility in January - Delmar, IA
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).

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Delmar, Iowa, USA

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