April weather forecast
Bertram, IA

Weather in April

April is a moderate spring month in Bertram, Iowa, with average temperature fluctuating between 57.9°F (14.4°C) and 41°F (5°C).

Temperature

In Bertram, the average high-temperature rises, from a chilly 45.5°F (7.5°C) in March, to a moderate 57.9°F (14.4°C). The average low-temperature, in April, is 41°F (5°C).

Humidity

The average relative humidity in Bertram is 75%.

Rainfall

In Bertram, it is raining for 15.9 days, with typically 3.43" (87mm) of accumulated precipitation. In Bertram, during the entire year, the rain falls for 147.9 days and collects up to 31.57" (802mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows in Bertram. During 1.4 snowfall days, Bertram aggregates 0.75" (19mm) of snow. Throughout the year, there are 44 snowfall days, and 18.35" (466mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13.4h.

Sunshine

The average sunshine is 7.5h.

UV index

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in April transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Bertram?

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

How much does it rain in Bertram in April?

In Bertram, in April, during 15.9 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

What is the last month it snows in Bertram?

April is the last month it regularly snows in Bertram. During 1.4 snowfall days, in April, Bertram aggregates 0.75" (19mm) of snow.

How many hours of daylight does Bertram have in April?

In April, the average length of the day in Bertram, Iowa, is 13.4h.

How long on average sun shines in April in Bertram?

In Bertram, the average sunshine in April is 7.5h.

How high is the UV index in April in Bertram?

In April, the average daily maximum UV index in Bertram is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in April
Bertram, IA

Average temperature in April - Bertram, IA
  • Average high temperature in April: 57.9°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in April: 41°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

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Average pressure in April
Bertram, IA

Average pressure in April - Bertram, IA
  • Average pressure in April: 29.93"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in April
Bertram, IA

Average wind speed in April - Bertram, IA
  • Average wind speed in April: 10.8mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in April
Bertram, IA

Average humidity in April - Bertram, IA
  • Average humidity in April: 75%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in April
Bertram, IA

Average rainfall in April - Bertram, IA
  • Average rainfall in April: 3.43"

The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days in April
Bertram, IA

Average rainfall days in April - Bertram, IA
  • Average rainfall days in April: 15.9 days

The month with the highest number of rainy days is May (19 days).
Months with the least rainy days are January and February (5.2 days).

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Average snowfall in April
Bertram, IA

Average snowfall in April - Bertram, IA
  • Average snowfall in April: 0.75"

The month with the highest snowfall is January (5.79").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Bertram, IA

Average snowfall days in April - Bertram, IA
  • Average snowfall days in April: 1.4 days

The month with the highest number of snowfall days is January (12.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Bertram, IA

Average daylight in April / Average sunshine in April - Bertram, IA
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in April: 7.5h

Months with the most sunshine are July and August (Average sunshine: 9.8h).
The month with the least sunshine is January (Average sunshine: 4h).

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Average sunshine days in April
Bertram, IA

Average sunshine days in April - Bertram, IA
  • Average sunshine days in April: 11.2 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (8.1 days).

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Average UV index in April
Bertram, IA

Average UV index in April - Bertram, IA
  • Average UV index in April: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in April
Bertram, IA

Average cloud cover in April - Bertram, IA
  • Average cloud cover in April: 48

The month with the most cloud cover is January (Cloud cover 58).
Months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in April
Bertram, IA

Average visibility in April - Bertram, IA
  • Average visibility in April: 6mi

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

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