April weather forecast
Cliff Lake, MT

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Weather in April

April is a cold spring month in Cliff Lake, Montana, with an average temperature varying between 37.8°F (3.2°C) and 19.4°F (-7°C).

Temperature

April's arrival is noted with a slight increase in the average high-temperature, moving from a freezing cold 30.6°F (-0.8°C) in March to a wintry 37.8°F (3.2°C). Nighttime temperature experiences an average drop to a subzero cold 19.4°F (-7°C) in April.

Humidity

The average relative humidity in April is 87%.

Rainfall

In Cliff Lake, Montana, in April, during 12.5 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In Cliff Lake, during the entire year, the rain falls for 123.8 days and collects up to 24.53" (623mm) of precipitation.

Snowfall

January through July, September through December are months with snowfall. In Cliff Lake, in April, during 20.7 snowfall days, 18.86" (479mm) of snow is typically accumulated. In Cliff Lake, during the entire year, snow falls for 165.6 days and aggregates up to 125.16" (3179mm) of snow.

Daylight

In Cliff Lake, the average length of the day in April is 13h and 31min.
On the first day of the month, sunrise is at 7:05 am and sunset at 7:54 pm. On the last day of April, sunrise is at 6:15 am and sunset at 8:30 pm MDT.

Sunshine

The average sunshine in April is 7.4h.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 1 during April leads to these instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

How cold is April?

The high-temperature during April is 37.8°F (3.2°C) and the low-temperature is 19.4°F (-7°C).

What is the average humidity in April?

The average relative humidity in April is 87%.

How many days does it rain in April?

In Cliff Lake, during April, the rain falls for 12.5 days and regularly aggregates up to 3.07" (78mm) of precipitation.

How many days does it snow in April?

In Cliff Lake, in April, during 20.7 snowfall days, 18.86" (479mm) of snow is typically accumulated.

How many hours of daylight does Cliff Lake have in April?

In April, the average day length in Cliff Lake is 13h and 31min.

What time are sunrise and sunset in April in Cliff Lake?

In April, on the first day of the month, sunrise is at 7:05 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:30 pm MDT.

How long on average sun shines in April?

In April, the average sunshine duration is 7.4h.

What is the month with the lowest UV index?

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in April?

In Cliff Lake, the average daily maximum UV index in April is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Cliff Lake, MT

Average temperature in April - Cliff Lake, MT
  • Average high temperature in April: 37.8°F

The warmest month (with the highest average high temperature) is July (73.2°F).
The month with the lowest average high temperature is December (20.5°F).

  • Average low temperature in April: 19.4°F

The month with the highest average low temperature is August (43°F).
The coldest month (with the lowest average low temperature) is December (4.8°F).

Average pressure in April
Cliff Lake, MT

Average pressure in April - Cliff Lake, MT
  • Average pressure in April: 29.97"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).

Average wind speed in April
Cliff Lake, MT

Average wind speed in April - Cliff Lake, MT
  • Average wind speed in April: 5.8mph

The windiest months (with the highest average wind speed) are January, February, March, June, November and December (6.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in April
Cliff Lake, MT

Average humidity in April - Cliff Lake, MT
  • Average humidity in April: 87%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (52%).

Average rainfall in April
Cliff Lake, MT

Average rainfall in April - Cliff Lake, MT
  • Average rainfall in April: 3.07"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is July (0.91").

Average rainfall days in April
Cliff Lake, MT

Average rainfall days in April - Cliff Lake, MT
  • Average rainfall days in April: 12.5 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (4 days).

Average snowfall in April
Cliff Lake, MT

Average snowfall in April - Cliff Lake, MT
  • Average snowfall in April: 18.86"

The month with the highest snowfall is February (20.67").
The month with the least snowfall is August (0").

Average snowfall days in April
Cliff Lake, MT

Average snowfall days in April - Cliff Lake, MT
  • Average snowfall days in April: 20.7 days

The month with the highest number of snowfall days is March (26.4 days).
The month with the least snowfall days is August (0 days).

Average daylight in April /
Average sunshine in April
Cliff Lake, MT

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

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

  • Average sunshine in April: 7h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).

Average sunshine days in April
Cliff Lake, MT

Average sunshine days in April - Cliff Lake, MT
  • Average sunshine days in April: 4 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is May (3.8 days).

Average UV index in April
Cliff Lake, MT

Average UV index in April - Cliff Lake, MT
  • Average UV index in April: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

Average cloud cover in April
Cliff Lake, MT

Average cloud cover in April - Cliff Lake, MT
  • Average cloud cover in April: 54

The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 17).

Average visibility in April
Cliff Lake, MT

Average visibility in April - Cliff Lake, MT
  • Average visibility in April: 4mi

The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).

Cliff Lake, Montana, USA

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