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
As March transitions into April, Gaithersburg sees a rise in the average high-temperature, moving from a cool 51.4°F (10.8°C) to a refreshing 63.9°F (17.7°C). Gaithersburg usually reports an average low-temperature of 45.5°F (7.5°C) during the month of April.Humidity
The average relative humidity in April in Gaithersburg is 73%.Rainfall
In April, in Gaithersburg, the rain falls for 14.6 days. Throughout April, 2.44" (62mm) of precipitation is accumulated. In Gaithersburg, during the entire year, the rain falls for 154.8 days and collects up to 29.09" (739mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Gaithersburg, Maryland. In Gaithersburg, during April, snow falls for 0.2 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, in Gaithersburg, there are 16.7 snowfall days, and 9.76" (248mm) of snow is accumulated.Daylight
The average length of the day in April in Gaithersburg is 13h and 16min.On the first day of April in Gaithersburg, sunrise is at 6:51 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:01 pm EDT.
Sunshine
In Gaithersburg, the average sunshine in April is 8.9h.UV index
In Gaithersburg, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 in April translates into this advice:
Act with care - The need to guard against sun damage is communicated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the average April temperature in Gaithersburg?
What is the average humidity in April in Gaithersburg?
How much does it rain in Gaithersburg in April?
How many days does it snow in April in Gaithersburg?
How many hours of daylight does Gaithersburg have in April?
What time are sunrise and sunset in April in Gaithersburg?
How many hours of sunshine does Gaithersburg have in April?
How high is the UV index in April in Gaithersburg?
Average temperature in April
Gaithersburg, MD
- Average high temperature in April: 63.9°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in April: 45.5°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in April
Gaithersburg, 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
Gaithersburg, MD
- Average wind speed in April: 7.8mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in April
Gaithersburg, MD
- Average humidity in April: 73%
The months with the highest relative humidity are May, October and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Gaithersburg, MD
- Average rainfall in April: 2.44"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in April
Gaithersburg, MD
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in April
Gaithersburg, MD
- Average snowfall in April: 0.35"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Gaithersburg, MD
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (5.3 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
Gaithersburg, MD
- Average daylight in April: 13h and 2min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in April
Gaithersburg, MD
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in April
Gaithersburg, 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
Gaithersburg, 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 30).
Average visibility in April
Gaithersburg, 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).
Gaithersburg, Maryland, USA
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