April weather forecast
Jefferson City, MT

Weather in April

April is a frosty spring month in Jefferson City, Montana, with average temperature fluctuating between 46.4°F (8°C) and 27°F (-2.8°C).

Temperature

In April, the average high-temperature slightly increases, from a cold 38.7°F (3.7°C) in March, to a chilly 46.4°F (8°C). The average low-temperature, in April, is 27°F (-2.8°C).

Humidity

The average relative humidity in Jefferson City, Montana, is 72%.

Rainfall

In April, in Jefferson City, the rain falls for 14.8 days. Throughout April, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Jefferson City, there are 133.7 rainfall days, and 16.38" (416mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Jefferson City, in April, snow falls for 12.3 days, with typically accumulated 7.8" (198mm) of snow. Throughout the year, in Jefferson City, there are 105.8 snowfall days, and 55.12" (1400mm) of snow is accumulated.

Daylight

The average length of the day in Jefferson City is 13.6h.

Sunshine

In April, the average sunshine in Jefferson City is 9.1h.

UV index

In Jefferson City, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in April interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in April in Jefferson City?

The average relative humidity in April in Jefferson City is 72%.

How many days does it rain in April in Jefferson City?

In Jefferson City, in April, it is raining for 14.8 days, with typically 2.01" (51mm) of accumulated precipitation.

How much does it snow in Jefferson City in April?

In Jefferson City, in April, snow falls for 12.3 days, with typically accumulated 7.8" (198mm) of snow.

How many hours of daylight does Jefferson City have in April?

The average length of the day in April in Jefferson City is 13.6h.

How long on average sun shines in April in Jefferson City?

In April, the average sunshine in Jefferson City is 9.1h.

What is the UV index intensity in April in Jefferson City?

In April, the average daily maximum UV index in Jefferson City is 2. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.

Average temperature in April
Jefferson City, MT

Average temperature in April - Jefferson City, MT
  • Average high temperature in April: 46.4°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (27°F).

  • Average low temperature in April: 27°F

The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).

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Average pressure in April
Jefferson City, MT

Average pressure in April - Jefferson City, MT
  • Average pressure in April: 29.98"

The month with the highest atmospheric pressure is January (30.19").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in April
Jefferson City, MT

Average wind speed in April - Jefferson City, MT
  • Average wind speed in April: 6.4mph

The windiest months (with the highest average wind speed) are January and November (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in April
Jefferson City, MT

Average humidity in April - Jefferson City, MT
  • Average humidity in April: 72%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).

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Average rainfall in April
Jefferson City, MT

Average rainfall in April - Jefferson City, MT
  • Average rainfall in April: 2.01"

The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is December (0.79").

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Average rainfall days in April
Jefferson City, MT

Average rainfall days in April - Jefferson City, MT
  • Average rainfall days in April: 14.8 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in April
Jefferson City, MT

Average snowfall in April - Jefferson City, MT
  • Average snowfall in April: 7.8"

The month with the highest snowfall is February (9.72").
Months with the least snowfall are July and August (0").

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Average snowfall days in April
Jefferson City, MT

Average snowfall days in April - Jefferson City, MT
  • Average snowfall days in April: 12.3 days

The month with the highest number of snowfall days is February (18 days).
Months with the least snowfall days are July and August (0 days).

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Average daylight in April /
Average sunshine in April
Jefferson City, MT

Average daylight in April / Average sunshine in April - Jefferson City, MT
  • Average daylight in April: 13.6h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in April: 9.1h

The month with the most sunshine is July (Average sunshine: 11.7h).
Months with the least sunshine are January and December (Average sunshine: 5.6).

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Average sunshine days in April
Jefferson City, MT

Average sunshine days in April - Jefferson City, MT
  • Average sunshine days in April: 8.9 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is February (8.5 days).

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Average UV index in April
Jefferson City, MT

Average UV index in April - Jefferson City, MT
  • Average UV index in April: 2

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in April
Jefferson City, MT

Average cloud cover in April - Jefferson City, MT
  • Average cloud cover in April: 42

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in April
Jefferson City, MT

Average visibility in April - Jefferson City, MT
  • Average visibility in April: 6mi

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

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