April weather forecast
Dillon, MT

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Weather in April

In April, Dillon witnesses an official welcome to the spring season as the snowy curtain of winter finally lifts. Spending the day outside becomes more pleasant, and the city begins to flourish in the newfound warmth. The snowfall dwindles to 3.66" (93mm). The winter starkness begins to retreat, revealing a world in bloom underneath. The lengthening daylight hours add a sense of vibrancy to the city.

Temperature

With the onset of April, the average high-temperature slightly shifts from March's icy 35.6°F (2°C) to a chilly 44.6°F (7°C). In the month of April, the average temperature in Dillon dips to a subzero cold 27.7°F (-2.4°C) during the night.

Humidity

In Dillon, the average relative humidity in April is 69%.

Rainfall

In Dillon, during April, the rain falls for 14.8 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Dillon, during the entire year, the rain falls for 126.7 days and collects up to 10.35" (263mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Dillon, in April, during 9 snowfall days, 3.66" (93mm) of snow is typically accumulated. Throughout the year, in Dillon, there are 81.2 snowfall days, and 29.76" (756mm) of snow is accumulated.

Daylight

In Dillon, the average length of the day in April is 13h and 32min.
On the first day of April in Dillon, Montana, sunrise is at 7:09 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:36 pm MDT.

Sunshine

In Dillon, the average sunshine in April is 10h.

UV index

In April, the average daily maximum UV index in Dillon, Montana, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 2 in April interprets into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold does it get in Dillon in April?

The high-temperature, in April, in Dillon, records 44.6°F (7°C), while the low-temperature is 27.7°F (-2.4°C).

What is the average humidity in April in Dillon?

In Dillon, Montana, the average relative humidity in April is 69%.

How much does it rain in Dillon in April?

In Dillon, Montana, in April, it is raining for 14.8 days, with typically 1.18" (30mm) of accumulated precipitation.

How much does it snow in Dillon in April?

In Dillon, Montana, in April, during 9 snowfall days, 3.66" (93mm) of snow is typically accumulated.

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

In Dillon, the average day length in April is 13h and 32min.

What time are sunrise and sunset in April in Dillon?

On the first day of April in Dillon, sunrise is at 7:09 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:36 pm MDT.

How many hours of sunshine does Dillon have in April?

In April, the average sunshine duration in Dillon is 10h.

How high is the UV index in April in Dillon?

In Dillon, Montana, 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.
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
Dillon, MT

Average temperature in April - Dillon, MT
  • Average high temperature in April: 44.6°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (25.2°F).

  • Average low temperature in April: 27.7°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (10.6°F).

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Average pressure in April
Dillon, MT

Average pressure in April - Dillon, MT
  • Average pressure in April: 29.98"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in April
Dillon, MT

Average wind speed in April - Dillon, MT
  • Average wind speed in April: 6.5mph

The windiest month (with the highest average wind speed) is November (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in April
Dillon, MT

Average humidity in April - Dillon, MT
  • Average humidity in April: 69%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July and August (45%).

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Average rainfall in April
Dillon, MT

Average rainfall in April - Dillon, MT
  • Average rainfall in April: 1.18"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in April
Dillon, MT

Average rainfall days in April - Dillon, MT
  • Average rainfall days in April: 14.8 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.7 days).

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Average snowfall in April
Dillon, MT

Average snowfall in April - Dillon, MT
  • Average snowfall in April: 3.66"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are July and August (0").

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Average snowfall days in April
Dillon, MT

Average snowfall days in April - Dillon, MT
  • Average snowfall days in April: 9 days

The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in April / Average sunshine in April - Dillon, MT
  • Average daylight in April: 13h and 3min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in April: 10h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

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Average sunshine days in April
Dillon, MT

Average sunshine days in April - Dillon, MT
  • Average sunshine days in April: 10.1 days

The month with the most sunshine days is July (18.2 days).
The month with the least sunshine days is April (10.1 days).

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Average UV index in April
Dillon, MT

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

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in April
Dillon, MT

Average cloud cover in April - Dillon, MT
  • Average cloud cover in April: 34

The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 13).

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Average visibility in April
Dillon, MT

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

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

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Dillon, Montana, USA

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