Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
March's onset brings a minor rise in the average high-temperature, moving from an icy 37.9°F (3.3°C) in February to a frosty 46.6°F (8.1°C). Mertztown's nights in March cool down to an average low-temperature of 30.6°F (-0.8°C).Humidity
The average relative humidity in March in Mertztown is 77%.Rainfall
In Mertztown, during March, the rain falls for 12.3 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, there are 155.8 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. March is the month with the most snowfall. Snow falls for 5.6 days and accumulates 4.29" (109mm) of snow.Daylight
The average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:35 am and sunset at 5:54 pm EST. On the last day of March, sunrise is at 6:46 am and sunset at 7:26 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.
Sunshine
The average sunshine in March is 6.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 in March translates into these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in March?
What is the average humidity in March?
How many days does it rain in March?
What is the snowiest month?
How much does it snow in March?
What is the average length of the day in March?
What time are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How long on average sun shines in March?
What are the months with the lowest UV index?
What is the UV index intensity in March?
Average temperature in March
Mertztown, PA
- Average high temperature in March: 46.6°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in March: 30.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in March
Mertztown, PA
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in March
Mertztown, PA
- Average wind speed in March: 8.1mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in March
Mertztown, PA
- Average humidity in March: 77%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in March
Mertztown, PA
- Average rainfall in March: 2.56"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in March
Mertztown, PA
- Average rainfall days in March: 12.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in March
Mertztown, PA
- Average snowfall in March: 4.29"
The month with the highest snowfall is March (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Mertztown, PA
- Average snowfall days in March: 5.6 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Mertztown, PA
- Average daylight in March: 12h and 0min
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 18min).
- Average sunshine in March: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in March
Mertztown, PA
- Average sunshine days in March: 13.4 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in March
Mertztown, PA
- Average UV index in March: 2
The months with the highest UV index are 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 March
Mertztown, PA
- Average cloud cover in March: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in March
Mertztown, PA
- Average visibility in March: 5mi
The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).
Mertztown, Pennsylvania, USA
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