Allentown, PA weather in March
In March, Allentown sees highs around 51°F and lows around 31°F: chilly, with frequent rain and some snow. There are about 11 days with rain or snow. Snowfall averages about 6.3 in.
- Normal high
- 51°F
- Normal low
- 31°F
- Wet days
- 11
- 3.6 in total
- Snowfall
- 6.3 in
- snow on the ground 5 days
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 46°F | 57°F |
| Normal low | 26°F | 35°F |
| Chance of a wet day | 35% | 37% |
| Sunrise / sunset | 6:35 am / 5:52 pm | 6:46 am / 7:25 pm |
| Daylight | 11.3 h | 12.6 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical March day
- 6 am33°Fdew point 25°F
- 9 am39°Fdew point 26°F
- Noon45°Fdew point 26°F
- 3 pm48°Fdew point 27°F
- 6 pm45°Fdew point 26°F
- 9 pm40°Fdew point 26°F
NOAA hourly normals (local standard time) from Allentown Intl Airport (4 mi away); average wind 9 mph; clear or few clouds in 48% of daytime hours, mostly cloudy or overcast in 45%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F3 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow11 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below19 of 31
- Snow on the groundsnow depth 1 in or more5 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain and snow in March
Normal precipitation is 3.6 in; a dry March brings about 3.1 in and a wet one about 4.4 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 6.3 in, with about 2 days of an inch or more.
How March varies from year to year
- Warmest March, 1991-20202012: average high 61°F
- Coolest March2015: average high 43°F
- Wettest March1993: 6.6 in
- Driest March2006: 0.9 in
- Highest reading87°F (March 30, 1998)
- Lowest reading0°F (March 7, 2015)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 42°F | 51°F | 63°F |
| Normal low | 23°F | 31°F | 40°F |
| Wet days | 10 | 11 | 12 |
| Comfortable days | 1 | 3 | 11 |
| Daylight | 10.7 h | 12.0 h | 13.3 h |
Highs change by +9°F from February and +12°F into April.
Nearby alternatives in March
- Warmer: Washington, DC144 mi · high 57°F · 11 wet days
- Cooler: Albany, NY167 mi · high 45°F · 12 wet days
How Allentown ranks in March
- Normal high265th warmest of 378 cities; 2nd of 4 in Pennsylvania
- Wet days279th driest of 378
- Comfortable days246th most of 339
What to pack for Allentown in March
- A warm jacket – lows near 31°F, highs near 51°F
- A rain jacket or umbrella – rain or snow on about 11 days
- Waterproof boots – about 6.3 in of snow in a typical year
- A hat and gloves – about 19 freezing nights
Heating and cooling
March has 755 heating degree days and 0 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.
Questions
How cold is Allentown in March?
The normal high is 51°F and the normal low is 31°F. From 1991 to 2020 the coldest March reading was 0°F (March 7, 2015).
Does it rain a lot in Allentown in March?
About 11 days in March have at least 0.01 in of precipitation, and the normal total is 3.6 in. The wettest March in 1991-2020 was in 1993 (6.6 in); the driest was in 2006 (0.9 in).
Does it snow in Allentown in March?
Yes. Normal snowfall in March is 6.3 in, and snow covers the ground on about 5 days.
Is March a good time to visit Allentown?
March ranks 8th of 12 months on our comfort score for Allentown (47 out of 100). It has about 3 comfortable days. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Allentown Intl Airport (USW00014737), 3.6 mi NE of the city center, 390 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Lehigh Valley International Airport (725170-14737), 3.6 mi NE of the city center, 385 ft . Hourly observations, 1991-2020.