+40.6084° · -75.4902° · ELEV 0m

Allentown

United States · Pennsylvania

Monthly weather averages for Allentown, United States — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.

№ 01

Climate Overview

July → January

Allentown has a continental climate. The warmest month is July (30°C average high) and the coolest is January (3°C).

№ 02

Rainfall by Month

1221 mm / year

Allentown sees 1221 mm of rain a year. The wettest month is July (119 mm); the driest is November (79 mm).

JFMAMJJASOND
№ 03

Best Time to Visit

June–October
June–October
9°C – 30°C · 9.9h sun

The best time to visit Allentown is June–October, when temperatures average 9°C–30°C with 9.9 sunshine hours per day.

Some visitors prefer April–May for cooler, drier conditions.

№ 04

Monthly Breakdown

12 months · °C · mm · hours
Monthly climate normals for Allentown, United States — click a column to sort
January3.3°C-5.0°C84 mm5.9 h07:2316:58
February5.2°C-4.9°C93 mm6.8 h06:5617:36
March9.2°C-1.4°C92 mm7.8 h07:1319:08
April15.8°C4.6°C111 mm8.7 h06:2319:40
May21.6°C10.7°C102 mm9.8 h05:4520:11
June26.4°C15.6°C116 mm10.9 h05:3020:34
July29.6°C19.1°C119 mm11.5 h05:4320:31
August28.4°C18.4°C115 mm10.6 h06:1220:00
September25.1°C15.0°C105 mm9.0 h06:4219:12
October18.3°C9.0°C99 mm7.3 h07:1218:22
November11.0°C1.7°C79 mm7.0 h06:4816:44
December6.6°C-1.1°C106 mm5.4 h07:1816:35

Nearby cities

View monthly climate averages for nearby cities or compare them with Allentown.

Temperature, rainfall and sunshine, month by month.