Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April signals a shift in the average high-temperature, moving from March's cold 37.4°F (3°C) to a cool 50.2°F (10.1°C). Lewiston temperatures generally rest at a low of 33.6°F (0.9°C) during the April nights.Humidity
The average relative humidity in April is 77%.Rainfall
In Lewiston, in April, it is raining for 10.8 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 103.5 rainfall days, and 14.96" (380mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Lewiston, in April, snow falls for 2.7 days, with typically accumulated 1.65" (42mm) of snow. Throughout the year, there are 36.8 snowfall days, and 18.31" (465mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 29min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:08 pm. On the last day of April, sunrise is at 5:32 am and sunset at 7:43 pm EDT.
Sunshine
In April, the average sunshine is 7.6h.UV index
In Lewiston, 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 unsafe exposure to UV radiation for the average person.Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lewiston in April?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Lewiston have in April?
What is the UV index intensity in April?
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in April /
Average sunshine in April
Lewiston, ME
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 7h and 4min
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).
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).
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).
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).
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).
Lewiston, Maine, USA
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