January weather forecast
Joplin, MT

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Weather in January

January, like December, is a freezing cold winter month in Joplin, Montana, with an average temperature ranging between max 28.8°F (-1.8°C) and min 16.7°F (-8.5°C).

Temperature

During January, Joplin records an average high-temperature of a still subzero cold 28.8°F (-1.8°C), marking a slight divergence from December's 28.2°F (-2.1°C). Joplin experiences an average low-temperature reading of 16.7°F (-8.5°C) throughout January.

Humidity

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

Rainfall

In Joplin, during January, the rain falls for 5 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Joplin, during the entire year, the rain falls for 113.8 days and collects up to 11.89" (302mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In January, in Joplin, it is snowing for 12.5 days. Throughout January, 4.25" (108mm) of snow is accumulated. In Joplin, during the entire year, snow falls for 65.1 days and aggregates up to 24.69" (627mm) of snow.

Daylight

In Joplin, the average length of the day in January is 8h and 50min.
On the first day of the month, sunrise is at 8:15 am and sunset at 4:38 pm. On the last day of January, in Joplin, Montana, sunrise is at 7:53 am and sunset at 5:19 pm MST.

Sunshine

January and December, with an average of 5.3h of sunshine, are months with the least sunshine in Joplin.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Joplin, Montana. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 2 in January translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

How cold is it in Joplin in January?

During January, Joplin experiences an average high-temperature of 28.8°F (-1.8°C) and a low-temperature of 16.7°F (-8.5°C).

What is the most humid month in Joplin?

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

What is the average humidity in January in Joplin?

In January, the average relative humidity is 81%.

How much does it rain in Joplin in January?

In Joplin, in January, it is raining for 5 days, with typically 0.63" (16mm) of accumulated precipitation.

How much does it snow in Joplin in January?

In Joplin, Montana, during January, snow falls for 12.5 days and regularly aggregates up to 4.25" (108mm) of snow.

How many hours of daylight does Joplin have in January?

The average day length in January in Joplin, Montana, is 8h and 50min.

When are sunrise and sunset in January in Joplin?

In January, on the first day of the month, sunrise is at 8:15 am and sunset at 4:38 pm. On the last day of the month, in Joplin, Montana, sunrise is at 7:53 am and sunset at 5:19 pm MST.

What are the months with the least sunshine in Joplin?

The months with the least sunshine in Joplin are January and December, with an average of 5.3h of sunshine.

How long on average sun shines in January in Joplin?

The average sunshine duration in January is 5.3h.

When is the lowest UV index in Joplin?

The months with the lowest UV index in Joplin are January through March, October through December, with an average maximum UV index of 2.

How high is the UV index in January in Joplin?

In Joplin, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
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
Joplin, MT

Average temperature in January - Joplin, MT
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (28.2°F).

  • Average low temperature in January: 16.7°F

The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).

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Average pressure in January
Joplin, MT

Average pressure in January - Joplin, MT
  • 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 (29.85"Hg).

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Average wind speed in January
Joplin, MT

Average wind speed in January - Joplin, MT
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in January
Joplin, MT

Average humidity in January - Joplin, MT
  • Average humidity in January: 81%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in January
Joplin, MT

Average rainfall in January - Joplin, MT
  • Average rainfall in January: 0.63"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is December (0.59").

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Average rainfall days in January
Joplin, MT

Average rainfall days in January - Joplin, MT
  • Average rainfall days in January: 5 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5 days).

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Average snowfall in January
Joplin, MT

Average snowfall in January - Joplin, MT
  • Average snowfall in January: 4.25"

The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Joplin, MT

Average snowfall days in January - Joplin, MT
  • Average snowfall days in January: 12.5 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in January /
Average sunshine in January
Joplin, MT

Average daylight in January / Average sunshine in January - Joplin, MT
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).

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Average sunshine days in January
Joplin, MT

Average sunshine days in January - Joplin, MT
  • Average sunshine days in January: 17 days

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (11.7 days).

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Average UV index in January
Joplin, MT

Average UV index in January - Joplin, MT
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in January
Joplin, MT

Average cloud cover in January - Joplin, MT
  • Average cloud cover in January: 43

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in January
Joplin, MT

Average visibility in January - Joplin, MT
  • 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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Joplin, Montana, USA

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