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 frosty 47.1°F (8.4°C) to a mild 59.7°F (15.4°C). The month of April records an average low-temperature of 42.1°F (5.6°C).Humidity
April is the least humid month, with an average relative humidity of 76%.Rainfall
In Saint Peters, Pennsylvania, in April, it is raining for 16.2 days, with typically 2.4" (61mm) of accumulated precipitation. In Saint Peters, during the entire year, the rain falls for 162.2 days and collects up to 27.87" (708mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 0.3 days. Throughout April, 0.16" (4mm) of snow is accumulated. In Saint Peters, during the entire year, snow falls for 22.9 days and aggregates up to 10.35" (263mm) of snow.Daylight
In April, the average length of the day is 13h and 18min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:27 pm. On the last day of April, sunrise is at 6:02 am and sunset at 7:57 pm EDT.
Sunshine
In Saint Peters, the average sunshine in April is 8.2h.UV index
In Saint Peters, Pennsylvania, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 during April translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Boost your sun resistance with garments that are densely woven yet spacious. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Saint Peters have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Saint Peters have in April?
What is the UV index reading in April?
Average temperature in April
Saint Peters, PA
- Average high temperature in April: 59.7°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in April: 42.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in April
Saint Peters, 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 Peters, 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 Peters, 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 Peters, PA
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in April
Saint Peters, PA
- Average rainfall days in April: 16.2 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in April
Saint Peters, PA
- Average snowfall in April: 0.16"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Saint Peters, PA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Saint Peters, 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 Peters, PA
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in April
Saint Peters, 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 Peters, PA
- Average cloud cover in April: 46
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Saint Peters, PA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are February, May, September and October (5mi).
Saint Peters, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location