April weather forecastBaltimore, MD
April
Weather in April
April in Baltimore begins to experience the full effects of the Spring season. This month brings warmer temperatures, blooming flowers, and a refreshing sense of change. Steeper daytime temperatures become the norm, reaching a high of 63°F (17.2°C) and a low of 46°F (7.8°C). Showers are common, but the month also boasts longer periods of daylight and increased sunshine hours. The fluctuating weather conditions in April make for blossoming landscapes and pleasant temperatures.Temperature
April's onset witnesses a shift in the average high-temperature, moving from a fresh 50.5°F (10.3°C) in March to an enjoyable 63°F (17.2°C). Baltimore, during April, witnesses an average low-temperature of 46°F (7.8°C).Humidity
The months with the lowest humidity are April, July and November, with an average relative humidity of 72%.Rainfall
In Baltimore, during April, the rain falls for 14.6 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Baltimore, Maryland, during the entire year, the rain falls for 158.5 days and collects up to 30.75" (781mm) of precipitation.Snowfall
April through October are months without snowfall.Ocean temperature
In Baltimore, the average seawater temperature in April is 50.5°F (10.3°C).Note: It is life-risking to swim in 50.5°F (10.3°C). Briefly staying in 55.4°F (13°C) waters feels unsettling, and temperatures below 50°F (10°C) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
The average length of the day in April is 13h and 16min.On the first day of April, sunrise is at 6:49 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 7:59 pm EDT.
Sunshine
The average sunshine in April is 8.8h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In April, a regular UV index of 4 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Baltimore, MD
- Average high temperature in April: 63°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in April: 46°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in April
Baltimore, 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 (29.94"Hg).
Average wind speed in April
Baltimore, MD
- Average wind speed in April: 8.8mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in April
Baltimore, MD
- Average humidity in April: 72%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April, July and November (72%).
Average rainfall in April
Baltimore, MD
- Average rainfall in April: 2.32"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in April
Baltimore, MD
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in April
Baltimore, MD
- Average snowfall in April: 0"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Baltimore, MD
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Baltimore, MD
- Average sea temperature in April: 50.5°F
The best month for swimming (with the highest average sea temperature) is August (77.5°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).
Average daylight in April /
Average sunshine in April
Baltimore, MD
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in April
Baltimore, MD
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in April
Baltimore, 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, November and December (UV index 2).
Average cloud cover in April
Baltimore, MD
- Average cloud cover in April: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in April
Baltimore, MD
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
