Allentown in April

6.8out of 10

Possible, with caveats

Mild: highs around 17°C. Frequent rain: about 11 rainy days.

17°CAvg high
6°CAvg low
11Rainy days (99 mm)
13:05 hDaylight
06:30Sunrise · 19:35 Sunset

Why this score

  • Mild: highs around 17°C
  • Frequent rain: about 11 rainy days

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in April is fairly consistent from year to year (3.0 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

3° -4° J 5° -3° F 10° 0° M 17° 6° A 22° 12° M 27° 17° J 30° 19° J 29° 19° A 25° 15° S 18° 8° O 12° 3° N 6° -1° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 3°C-4°C87 mm 9– – 4.4
February 5°C-3°C76 mm 9– – 4.8
March 10°C0°C103 mm 11– – 5.5
April 17°C6°C99 mm 11– – 6.8
May 22°C12°C94 mm 11– – 7.5
June 27°C17°C104 mm 12– – 7.4
July 30°C19°C98 mm 11– – 7.2
August 29°C19°C93 mm 10– – 7.7
September 25°C15°C111 mm 9– – 7.7
October 18°C8°C101 mm 9– – 7.2
November 12°C3°C81 mm 8– – 6.3
December 6°C-1°C101 mm 10– – 4.9

Frequently asked questions

How hot is Allentown in April?

Daytime highs average 17°C and nights about 6°C.

When is the best time to visit Allentown?

The best months are August, September, May, June.