April weather forecast
Polson, MT

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Weather in April

The month of April in Polson, Montana, sees consistent warming and the advent of more hospitable weather conditions. The last vestiges of winter fade away, and the snowfall trickles down further to 3.27" (83mm), a marked contrast from March. The warming trend that began in March escalates, and spring's full bloom commences. The city, once covered in snow, begins to thaw, revealing the verdant scenery that lay dormant during the winter months. In essence, April unfurls the spring season in its entire vibrant glory.

Temperature

Polson sees an increase in the average high-temperature with the arrival of April, moving from March's icy 38.8°F (3.8°C) to a chilly 48.7°F (9.3°C). An average minimum temperature of 30.2°F (-1°C) marks the month of April.

Humidity

In April, the average relative humidity is 75%.

Rainfall

In April, in Polson, the rain falls for 18.8 days. Throughout April, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 160.2 rainfall days, and 18.11" (460mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Polson. In Polson, during April, snow falls for 8.3 days and regularly aggregates up to 3.27" (83mm) of snow. In Polson, during the entire year, snow falls for 99 days and aggregates up to 47.28" (1201mm) of snow.

Daylight

In Polson, the average length of the day in April is 13h and 41min.
On the first day of April in Polson, sunrise is at 7:13 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:48 pm MDT.

Sunshine

In Polson, the average sunshine in April is 8.9h.

UV index

In Polson, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In April, a daily UV index of 2 turns into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April in Polson?

In Polson, in April, the average high-temperature is 48.7°F (9.3°C), and the average low-temperature is 30.2°F (-1°C).

What is the average humidity in April in Polson?

In April, the average relative humidity in Polson is 75%.

How many days does it rain in April in Polson?

In Polson, Montana, during April, the rain falls for 18.8 days and regularly aggregates up to 2.05" (52mm) of precipitation.

How much does it snow in Polson in April?

In Polson, during April, snow falls for 8.3 days and regularly aggregates up to 3.27" (83mm) of snow.

What is the average length of the day in April in Polson?

The average day length in April is 13h and 41min.

When is the sunrise / sunset in April in Polson?

In April, on the first day of the month, sunrise is at 7:13 am and sunset at 8:07 pm. On the last day of the month, in Polson, sunrise is at 6:19 am and sunset at 8:48 pm MDT.

How many hours of sunshine does Polson have in April?

In Polson, Montana, the average sunshine duration in April is 8.9h.

What is the UV index intensity in April in Polson?

In April, the average daily maximum UV index in Polson, Montana, is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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 April
Polson, MT

Average temperature in April - Polson, MT
  • Average high temperature in April: 48.7°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.9°F).

  • Average low temperature in April: 30.2°F

The months with the highest average low temperature are July and August (48.9°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).

Average pressure in April
Polson, MT

Average pressure in April - Polson, MT
  • Average pressure in April: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in April
Polson, MT

Average wind speed in April - Polson, MT
  • Average wind speed in April: 4.8mph

The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in April
Polson, MT

Average humidity in April - Polson, MT
  • Average humidity in April: 75%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).

Average rainfall in April
Polson, MT

Average rainfall in April - Polson, MT
  • Average rainfall in April: 2.05"

The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.55").

Average rainfall days in April
Polson, MT

Average rainfall days in April - Polson, MT
  • Average rainfall days in April: 18.8 days

The months with the highest number of rainy days are March and April (18.8 days).
The month with the least rainy days is August (7 days).

Average snowfall in April
Polson, MT

Average snowfall in April - Polson, MT
  • Average snowfall in April: 3.27"

The month with the highest snowfall is February (10.28").
The months with the least snowfall are June, July and August (0").

Average snowfall days in April
Polson, MT

Average snowfall days in April - Polson, MT
  • Average snowfall days in April: 8.3 days

The month with the highest number of snowfall days is December (19.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in April /
Average sunshine in April
Polson, MT

Average daylight in April / Average sunshine in April - Polson, MT
  • Average daylight in April: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in April: 8h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in April
Polson, MT

Average sunshine days in April - Polson, MT
  • Average sunshine days in April: 7.7 days

The month with the most sunshine days is July (21.3 days).
The month with the least sunshine days is March (6.4 days).

Average UV index in April
Polson, MT

Average UV index in April - Polson, MT
  • Average UV index in April: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in April
Polson, MT

Average cloud cover in April - Polson, MT
  • Average cloud cover in April: 42

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 14).

Average visibility in April
Polson, MT

Average visibility in April - Polson, MT
  • Average visibility in April: 6mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Polson, Montana, USA

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