January weather forecast
Bethesda, IA

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Weather in January

January, the same as December, in Bethesda, Iowa, is a freezing cold winter month, with temperature in the range of an average low of 17.2°F (-8.2°C) and an average high of 31.1°F (-0.5°C).

Temperature

January, with an average high of 31.1°F (-0.5°C) and a low of 17.2°F (-8.2°C), signifies the coldest month of the year.

Humidity

The most humid month in Bethesda, Iowa, is January, with an average relative humidity of 80%.

Rainfall

In Bethesda, in January, during 3.8 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, in Bethesda, Iowa, there are 114.9 rainfall days, and 18.39" (467mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Bethesda. The month with the most snowfall is January, when snow falls for 7.8 days and typically aggregates up to 2.17" (55mm) of snow.

Daylight

In Bethesda, the average length of the day in January is 9h and 38min.
On the first day of January, sunrise is at 7:44 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:35 pm CST.

Sunshine

The month with the least sunshine in Bethesda is January, with an average of 4.6h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: In January, an average UV index of 2 transforms into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What is the coldest month in Bethesda?

In Bethesda, January is the month with the lowest recorded average temperatures, measuring a high of 31.1°F (-0.5°C) and a low of 17.2°F (-8.2°C).

How cold is it in Bethesda in January?

Bethesda in January has an average high-temperature of 31.1°F (-0.5°C) and an average low-temperature of 17.2°F (-8.2°C).

What is the most humid month in Bethesda?

The most humid month in Bethesda, Iowa, is January, with an average relative humidity of 80%.

What is the average humidity in January in Bethesda?

In Bethesda, the average relative humidity in January is 80%.

How much does it rain in Bethesda in January?

In Bethesda, during January, the rain falls for 3.8 days and regularly aggregates up to 0.51" (13mm) of precipitation.

What is the snowiest month in Bethesda?

The month with the most snowfall in Bethesda, Iowa, is January, when snow falls for 7.8 days and typically aggregates up to 2.17" (55mm) of snow.

How many days does it snow in January in Bethesda?

In Bethesda, in January, during 7.8 snowfall days, 2.17" (55mm) of snow is typically accumulated.

What is the average length of the day in January in Bethesda?

In Bethesda, Iowa, the average day length in January is 9h and 38min.

When is the sunrise / sunset in January in Bethesda?

In January, on the first day of the month, sunrise is at 7:44 am and sunset at 5:03 pm. On the last day of the month, in Bethesda, Iowa, sunrise is at 7:31 am and sunset at 5:35 pm CST.

What is the month with the least sunshine in Bethesda?

January has the least sunshine of the year in Bethesda, with an average of 4.6h of sunshine.

How long on average sun shines in January in Bethesda?

The average sunshine duration in January in Bethesda, Iowa, is 4.6h.

When is the lowest UV index in Bethesda?

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

What is the UV index intensity in January in Bethesda?

In Bethesda, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
35.2°F 1.8°C
31.1°F -0.5°C
35.2°F 1.8°C
Average low temperature
22.8°F -5.1°C
17.2°F -8.2°C
20.7°F -6.3°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.14" 766mmHg
Average wind speed
9.5mph 15.3km/h
9.9mph 15.9km/h
10mph 16.1km/h
Average max. wind speed
10.3mph 16.6km/h
10.6mph 17.1km/h
10.7mph 17.2km/h
Average wind speed gusts
15.3mph 24.6km/h
16mph 25.7km/h
15.8mph 25.4km/h
Average humidity
78%
80%
78%
Average rainfall
0.59" 15mm
0.51" 13mm
0.43" 11mm
Average rainfall days
4.3
3.8
3.4
Average snowfall
0.91" 23mm
2.17" 55mm
1.69" 43mm
Average snowfall days
4.5
7.8
6.9
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
5h 0min
4h 4min
5h 3min
Average sunshine days
22
21.1
18.8
Average UV index
2
2
2
Average cloud cover
45%
49%
46%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Bethesda, IA

Average temperature in January - Bethesda, IA
  • Average high temperature in January: 31.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in January: 17.2°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

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Average pressure in January
Bethesda, IA

Average pressure in January - Bethesda, IA
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in January
Bethesda, IA

Average wind speed in January - Bethesda, IA
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in January
Bethesda, IA

Average humidity in January - Bethesda, IA
  • Average humidity in January: 80%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in January
Bethesda, IA

Average rainfall in January - Bethesda, IA
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is February (0.43").

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Average rainfall days in January
Bethesda, IA

Average rainfall days in January - Bethesda, IA
  • Average rainfall days in January: 3.8 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in January
Bethesda, IA

Average snowfall in January - Bethesda, IA
  • Average snowfall in January: 2.17"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Bethesda, IA

Average snowfall days in January - Bethesda, IA
  • Average snowfall days in January: 7.8 days

The month with the highest number of snowfall days is January (7.8 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
Bethesda, IA

Average daylight in January / Average sunshine in January - Bethesda, IA
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in January
Bethesda, IA

Average sunshine days in January - Bethesda, IA
  • Average sunshine days in January: 21.1 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in January
Bethesda, IA

Average UV index in January - Bethesda, IA
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 6).
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
Bethesda, IA

Average cloud cover in January - Bethesda, IA
  • Average cloud cover in January: 49

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in January
Bethesda, IA

Average visibility in January - Bethesda, IA
  • Average visibility in January: 6mi

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

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Bethesda, Iowa, USA

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