April weather forecast
Lewiston, ME

Weather in April

April is a fresh spring month in Lewiston, Maine, with an average temperature fluctuating between 33.6°F (0.9°C) and 50.2°F (10.1°C).

Temperature

In Lewiston, the average high-temperature in April rises from a wintry 37.4°F (3°C) in March to a cool 50.2°F (10.1°C). In April, the average low-temperature is 33.6°F (0.9°C).

Humidity

The average relative humidity in April in Lewiston, Maine, is 77%.

Rainfall

In Lewiston, during 10.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Lewiston, during the entire year, the rain falls for 103.5 days and collects up to 14.96" (380mm) of precipitation.

Snowfall

Months with snowfall in Lewiston are January through May, October through December. In April, it is snowing for 2.7 days. Throughout April, 1.65" (42mm) of snow is accumulated. Throughout the year, in Lewiston, there are 36.8 snowfall days, and 18.31" (465mm) of snow is accumulated.

Daylight

In Lewiston, the average length of the day in April is 13h and 29min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:07 pm. On the last day of April, sunrise is at 5:33 am and sunset at 7:42 pm EDT.

Sunshine

The average sunshine in April is 7.6h.

UV index

The average daily maximum UV index in April in Lewiston is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Lewiston?

In April, in Lewiston, the average high-temperature is 50.2°F (10.1°C), and the average low-temperature is 33.6°F (0.9°C).

What is the average humidity in April in Lewiston?

In Lewiston, Maine, the average relative humidity in April is 77%.

How many days does it rain in April in Lewiston?

In April, in Lewiston, Maine, the rain falls for 10.8 days. Throughout April, 1.42" (36mm) of precipitation is accumulated.

How much does it snow in Lewiston in April?

In April, in Lewiston, it is snowing for 2.7 days. Throughout April, 1.65" (42mm) of snow is accumulated.

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

In April, the average day length is 13h and 29min.

What time are sunrise and sunset in April in Lewiston?

In April, on the first day of the month, sunrise is at 6:21 am and sunset at 7:07 pm. On the last day of the month, in Lewiston, sunrise is at 5:33 am and sunset at 7:42 pm EDT.

How long on average sun shines in April in Lewiston?

In Lewiston, the average sunshine duration in April is 7.6h.

What is the UV index reading in April in Lewiston?

In Lewiston, Maine, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Lewiston, ME

Average temperature in April - Lewiston, ME
  • Average high temperature in April: 50.2°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in April: 33.6°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in April
Lewiston, ME

Average pressure in April - Lewiston, ME
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in April
Lewiston, ME

Average wind speed in April - Lewiston, ME
  • Average wind speed in April: 7.2mph

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in April
Lewiston, ME

Average humidity in April - Lewiston, ME
  • Average humidity in April: 77%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in April
Lewiston, ME

Average rainfall in April - Lewiston, ME
  • Average rainfall in April: 1.42"

The wettest month (with the highest rainfall) is October (1.69").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days in April
Lewiston, ME

Average rainfall days in April - Lewiston, ME
  • Average rainfall days in April: 10.8 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is February (4 days).

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Average snowfall in April
Lewiston, ME

Average snowfall in April - Lewiston, ME
  • Average snowfall in April: 1.65"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Lewiston, ME

Average snowfall days in April - Lewiston, ME
  • Average snowfall days in April: 2.7 days

The month with the highest number of snowfall days is January (8.7 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
Lewiston, ME

Average daylight in April / Average sunshine in April - Lewiston, ME
  • Average daylight in April: 13h and 29min

The month with the longest days is June (Average daylight: 15h and 26min).
The month with the shortest days is December (Average daylight: 8h and 57min).

  • Average sunshine in April: 7h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in April
Lewiston, ME

Average sunshine days in April - Lewiston, ME
  • Average sunshine days in April: 16.4 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (16.2 days).

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Average UV index in April
Lewiston, ME

Average UV index in April - Lewiston, ME
  • 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).

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Average cloud cover in April
Lewiston, ME

Average cloud cover in April - Lewiston, ME
  • Average cloud cover in April: 50

The month with the most cloud cover is March (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 36).

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Average visibility in April
Lewiston, ME

Average visibility in April - Lewiston, ME
  • Average visibility in April: 5mi

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

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