April weather forecast
Otter, MT

Weather in April

April in Otter, Montana, is a cool spring month, with average temperature fluctuating between 53.1°F (11.7°C) and 34.2°F (1.2°C).

Temperature

In Otter, Montana, the average high-temperature in April slightly increases, from a frosty 45°F (7.2°C) in March, to a fresh 53.1°F (11.7°C). In Otter, the average low-temperature is 34.2°F (1.2°C).

Humidity

In Otter, Montana, the average relative humidity in April is 63%.

Rainfall

In Otter, it is raining for 15.3 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, in Otter, there are 127.6 rainfall days, and 14.25" (362mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Otter. In Otter, snow falls for 6.3 days, with typically accumulated 5.08" (129mm) of snow. Throughout the year, there are 65.3 snowfall days, and 28.82" (732mm) of snow is accumulated.

Daylight

In Otter, the average length of the day is 13.6h.

Sunshine

In Otter, the average sunshine is 9.9h.

UV index

In April, the average daily maximum UV index in Otter is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Otter?

The average relative humidity in April is 63%.

How much does it rain in Otter in April?

In April, in Otter, the rain falls for 15.3 days. Throughout April, 2.01" (51mm) of precipitation is accumulated.

How much does it snow in Otter in April?

In Otter, Montana, in April, during 6.3 snowfall days, 5.08" (129mm) of snow is typically accumulated.

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

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

How many hours of sunshine does Otter have in April?

The average sunshine in April in Otter is 9.9h.

How high is the UV index in April in Otter?

In Otter, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in April
Otter, MT

Average temperature in April - Otter, MT
  • Average high temperature in April: 53.1°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (31.1°F).

  • Average low temperature in April: 34.2°F

The month with the highest average low temperature is July (61.5°F).
The coldest months (with the lowest average low temperature) are January and February (16.2°F).

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Average pressure in April
Otter, MT

Average pressure in April - Otter, MT
  • Average pressure in April: 29.92"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in April
Otter, MT

Average wind speed in April - Otter, MT
  • Average wind speed in April: 9.1mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and December (6.8mph).

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Average humidity in April
Otter, MT

Average humidity in April - Otter, MT
  • Average humidity in April: 63%

Months with the highest relative humidity are January and February (79%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in April
Otter, MT

Average rainfall in April - Otter, MT
  • Average rainfall in April: 2.01"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is December (0.67").

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Average rainfall days in April
Otter, MT

Average rainfall days in April - Otter, MT
  • Average rainfall days in April: 15.3 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in April
Otter, MT

Average snowfall in April - Otter, MT
  • Average snowfall in April: 5.08"

The month with the highest snowfall is February (5.2").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in April
Otter, MT

Average snowfall days in April - Otter, MT
  • Average snowfall days in April: 6.3 days

The month with the highest number of snowfall days is February (14.3 days).
Months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in April: 9.9h

Months with the most sunshine are July and August (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 5.7h).

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Average sunshine days in April
Otter, MT

Average sunshine days in April - Otter, MT
  • Average sunshine days in April: 10.3 days

The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is May (9.6 days).

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Average UV index in April
Otter, MT

Average UV index in April - Otter, MT
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in April
Otter, MT

Average cloud cover in April - Otter, MT
  • Average cloud cover in April: 36

The month with the most cloud cover is February (Cloud cover 41).
Months with the least cloud cover are July and August (Cloud cover 14).

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Average visibility in April
Otter, MT

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

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

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