April weather forecast
Bertram, IA

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Weather in April

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

Temperature

The start of April brings a rise in the average high-temperature, moving from a frosty 45.5°F (7.5°C) in March to a refreshing 57.9°F (14.4°C). During April, Bertram observes a consistent average nighttime temperature of 41°F (5°C).

Humidity

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

Rainfall

In Bertram, during April, the rain falls for 15.9 days and regularly aggregates up to 3.43" (87mm) of precipitation. Throughout the year, there are 147.9 rainfall days, and 31.57" (802mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Bertram, the average length of the day in April is 13h and 23min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:32 pm. On the last day of April, sunrise is at 6:02 am and sunset at 8:04 pm CDT.

Sunshine

In April, the average sunshine is 7.5h.

UV index

In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 4 during April, leads to the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Bertram in April?

An average high-temperature, in April, in Bertram, is 57.9°F (14.4°C) and the average low-temperature is 41°F (5°C).

What is the average humidity in April in Bertram?

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

How much does it rain in Bertram in April?

In April, the rain falls for 15.9 days. Throughout April, 3.43" (87mm) of precipitation is accumulated.

What is the last month it snows in Bertram?

April is the last month it regularly snows in Bertram, Iowa. 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 day length in Bertram, Iowa, is 13h and 23min.

When are sunrise and sunset in April in Bertram?

On the first day of April in Bertram, Iowa, sunrise is at 6:47 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:04 pm CDT.

How long on average sun shines in April in Bertram?

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

What is the UV index reading in April in Bertram?

In Bertram, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
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"Hg

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

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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).
The 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").
The 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).
The 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: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in April: 7h and 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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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).
The 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

The 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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Bertram, Iowa, USA

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