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's onset is marked by a temperature increase, moving from a fresh 53.6°F (12°C) in March to a refreshing 65.5°F (18.6°C). An average low-temperature of 47.7°F (8.7°C) is noted during the nights in April.Humidity
The months with the lowest humidity are January, March and April, with an average relative humidity of 73%.Rainfall
In April, in Saint Charles, Maryland, the rain falls for 14.8 days. Throughout April, 2.4" (61mm) of precipitation is accumulated. In Saint Charles, during the entire year, the rain falls for 151.4 days and collects up to 29.33" (745mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Saint Charles, Maryland. April is the last month it regularly snows in Saint Charles. During 0.2 snowfall days, in April, Saint Charles aggregates 0.28" (7mm) of snow. Throughout the year, in Saint Charles, Maryland, there are 13.5 snowfall days, and 7.24" (184mm) of snow is accumulated.Daylight
In April, the average length of the day in Saint Charles is 13h and 14min.On the first day of April in Saint Charles, sunrise is at 6:51 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:59 pm EDT.
Sunshine
In Saint Charles, the average sunshine in April is 8.7h.UV index
In Saint Charles, Maryland, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, a regular UV index of 4 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are April temperatures in Saint Charles?
What is the least humid month in Saint Charles?
What is the average humidity in April in Saint Charles?
How much does it rain in Saint Charles in April?
What is the last month it snows in Saint Charles?
What is the average length of the day in April in Saint Charles?
When are sunrise and sunset in April in Saint Charles?
How long on average sun shines in April in Saint Charles?
What is the UV index intensity in April in Saint Charles?
Average temperature in April
Saint Charles, MD
- Average high temperature in April: 65.5°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in April: 47.7°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in April
Saint Charles, MD
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Saint Charles, MD
- Average wind speed in April: 7.8mph
The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in April
Saint Charles, MD
- Average humidity in April: 73%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March and April (73%).
Average rainfall in April
Saint Charles, MD
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in April
Saint Charles, MD
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in April
Saint Charles, MD
- Average snowfall in April: 0.28"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Saint Charles, MD
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Saint Charles, MD
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in April
Saint Charles, MD
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in April
Saint Charles, MD
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Saint Charles, MD
- Average cloud cover in April: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Saint Charles, MD
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Saint Charles, Maryland, USA
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