April weather forecast
Rim Rock Colony, MT

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Weather in April

April is a frosty spring month in Rim Rock Colony, Montana, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 34°F (1.1°C).

Temperature

With the onset of April, Rim Rock Colony sees a temperature rise, with the average high-temperature moving from March's wintry 39°F (3.9°C) to a frosty 49.6°F (9.8°C). April brings with it a nighttime average temperature of 34°F (1.1°C).

Humidity

In April, the average relative humidity in Rim Rock Colony is 62%.

Rainfall

In Rim Rock Colony, during April, the rain falls for 8.3 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Rim Rock Colony, during the entire year, the rain falls for 70.4 days and collects up to 8.46" (215mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In April, it is snowing for 5 days. Throughout April, 2.44" (62mm) of snow is accumulated. Throughout the year, there are 54.3 snowfall days, and 19.49" (495mm) of snow is accumulated.

Daylight

In Rim Rock Colony, the average length of the day in April is 13h and 45min.
On the first day of April, sunrise is at 7:03 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:43 pm MDT.

Sunshine

In Rim Rock Colony, the average sunshine in April is 9.3h.

UV index

In Rim Rock Colony, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 3 in April transforms into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. It's recommended to limit sun exposure when its radiation is at its peak during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

In April, the average high-temperature and low-temperature are 49.6°F (9.8°C) and 34°F (1.1°C) respectively.

What is the average humidity in April?

In April, the average relative humidity is 62%.

How much does it rain in April?

In Rim Rock Colony, in April, during 8.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

How much does it snow in April?

In Rim Rock Colony, during April, snow falls for 5 days and regularly aggregates up to 2.44" (62mm) of snow.

What is the average length of the day in April?

In April, the average day length is 13h and 45min.

When are sunrise and sunset in April in Rim Rock Colony?

On the first day of April, sunrise is at 7:03 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:43 pm MDT.

How many hours of sunshine does Rim Rock Colony have in April?

In April, the average sunshine duration is 9.3h.

How high is the UV index in April in Rim Rock Colony?

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate 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
Rim Rock Colony, MT

Average temperature in April - Rim Rock Colony, MT
  • Average high temperature in April: 49.6°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (27.1°F).

  • Average low temperature in April: 34°F

The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).

Average pressure in April
Rim Rock Colony, MT

Average pressure in April - Rim Rock Colony, MT
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in April
Rim Rock Colony, MT

Average wind speed in April - Rim Rock Colony, MT
  • Average wind speed in April: 11.2mph

The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.8mph).

Average humidity in April
Rim Rock Colony, MT

Average humidity in April - Rim Rock Colony, MT
  • Average humidity in April: 62%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).

Average rainfall in April
Rim Rock Colony, MT

Average rainfall in April - Rim Rock Colony, MT
  • Average rainfall in April: 0.94"

The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in April
Rim Rock Colony, MT

Average rainfall days in April - Rim Rock Colony, MT
  • Average rainfall days in April: 8.3 days

The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is November (2.6 days).

Average snowfall in April
Rim Rock Colony, MT

Average snowfall in April - Rim Rock Colony, MT
  • Average snowfall in April: 2.44"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July and August (0").

Average snowfall days in April
Rim Rock Colony, MT

Average snowfall days in April - Rim Rock Colony, MT
  • Average snowfall days in April: 5 days

The month with the highest number of snowfall days is December (10.2 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in April /
Average sunshine in April
Rim Rock Colony, MT

Average daylight in April / Average sunshine in April - Rim Rock Colony, MT
  • Average daylight in April: 13h 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 18min).

  • Average sunshine in April: 9h 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 36min).

Average sunshine days in April
Rim Rock Colony, MT

Average sunshine days in April - Rim Rock Colony, MT
  • Average sunshine days in April: 17.4 days

The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is April (17.4 days).

Average UV index in April
Rim Rock Colony, MT

Average UV index in April - Rim Rock Colony, MT
  • Average UV index in April: 3

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).

Average cloud cover in April
Rim Rock Colony, MT

Average cloud cover in April - Rim Rock Colony, MT
  • Average cloud cover in April: 37

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).

Average visibility in April
Rim Rock Colony, MT

Average visibility in April - Rim Rock Colony, MT
  • Average visibility in April: 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).

Rim Rock Colony, Montana, USA

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