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
The shift from March to April sees an increase in the average high-temperature, transitioning from a frosty 47.1°F (8.4°C) to a refreshing 59.5°F (15.3°C). Saint Lawrence's nighttime temperature during April is consistently averaged at a cold 41.5°F (5.3°C).Humidity
With an average relative humidity of 76%, April is the least humid month.Rainfall
In April, the rain falls for 13.3 days. Throughout April, 1.18" (30mm) of precipitation is accumulated. In Saint Lawrence, during the entire year, the rain falls for 129 days and collects up to 13.5" (343mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Saint Lawrence, in April, during 0.3 snowfall days, 0.08" (2mm) of snow is typically accumulated. In Saint Lawrence, during the entire year, snow falls for 19.4 days and aggregates up to 4.45" (113mm) of snow.Daylight
In April, the average length of the day is 13h and 19min.On the first day of April, sunrise is at 6:45 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:58 pm EDT.
Sunshine
The average sunshine in April is 8.2h.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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 during April translates into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Lawrence in April?
What is the least humid month?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Saint Lawrence have in April?
How high is the UV index in April?
Average temperature in April
Saint Lawrence, PA
- Average high temperature in April: 59.5°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in April
Saint Lawrence, PA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Saint Lawrence, PA
- Average wind speed in April: 8.1mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Saint Lawrence, PA
- Average humidity in April: 76%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Saint Lawrence, PA
- Average rainfall in April: 1.18"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in April
Saint Lawrence, PA
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in April
Saint Lawrence, PA
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Saint Lawrence, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Saint Lawrence, PA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Saint Lawrence, PA
- Average sunshine days in April: 14.2 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in April
Saint Lawrence, PA
- Average UV index in April: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Saint Lawrence, PA
- Average cloud cover in April: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Saint Lawrence, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
Saint Lawrence, Pennsylvania, USA
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