Allentown, PA weather in June
Allentown is warm in June, with frequent rain: highs average 82°F and nights drop to about 60°F. Rain falls on about 11 days. A good month for most outdoor plans.
- Normal high
- 82°F
- Normal low
- 60°F
- Wet days
- 11
- 4.4 in total
- Muggy days
- 7
- dew point 65°F+
How June changes from start to finish
| June 1 | June 30 | |
|---|---|---|
| Normal high | 78°F | 86°F |
| Normal low | 56°F | 64°F |
| Chance of a wet day | 39% | 36% |
| Sunrise / sunset | 5:33 am / 8:26 pm | 5:34 am / 8:36 pm |
| Daylight | 14.9 h | 15.0 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 June day
- 6 am63°Fdew point 59°F
- 9 am71°Fdew point 59°F
- Noon77°Fdew point 59°F
- 3 pm79°Fdew point 59°F
- 6 pm76°Fdew point 59°F
- 9 pm70°Fdew point 59°F
NOAA hourly normals (local standard time) from Allentown Intl Airport (4 mi away); average wind 7 mph; clear or few clouds in 52% of daytime hours, mostly cloudy or overcast in 35%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F9 of 30
- Hot dayshigh 90°F or more3 of 30
- Muggy daysdaily mean dew point 65°F or more7 of 30
- Wet daysat least 0.01 in of rain or melted snow11 of 30
- Notable rainat least 0.10 in7 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per June, counted from daily records for each year 1991-2020.
Rain in June
Normal precipitation is 4.4 in; a dry June brings about 2.7 in and a wet one about 5.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How June varies from year to year
- Warmest June, 1991-20201994: average high 85°F
- Coolest June2009: average high 77°F
- Wettest June2006: 9.1 in
- Driest June1999: 1.0 in
- Highest reading97°F (June 29, 1991)
- Lowest reading40°F (June 1, 2009)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
June compared with May and July
| May | June | July | |
|---|---|---|---|
| Normal high | 74°F | 82°F | 86°F |
| Normal low | 51°F | 60°F | 65°F |
| Wet days | 12 | 11 | 11 |
| Comfortable days | 16 | 9 | 3 |
| Daylight | 14.4 h | 15.0 h | 14.7 h |
Highs change by +8°F from May and +4°F into July.
Nearby alternatives in June
- Cooler: Montauk, NY187 mi · high 74°F · 10 wet days
How Allentown ranks in June
- Normal high214th warmest of 378 cities; 2nd of 4 in Pennsylvania
- Wet days280th driest of 378
- Comfortable days140th most of 340
What to pack for Allentown in June
- A rain jacket or umbrella – rain on about 11 days
- Sunglasses and sunscreen – about 15.0 hours of daylight and highs near 82°F
Heating and cooling
June has 19 heating degree days and 196 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Allentown in June?
The normal high is 82°F and the normal low is 60°F. From 1991 to 2020 the hottest June reading was 97°F (June 29, 1991).
Does it rain a lot in Allentown in June?
About 11 days in June have at least 0.01 in of precipitation, and the normal total is 4.4 in. The wettest June in 1991-2020 was in 2006 (9.1 in); the driest was in 1999 (1.0 in).
Is June a good time to visit Allentown?
June ranks 4th of 12 months on our comfort score for Allentown (64 out of 100). It has about 9 comfortable days and about 3 days at 90°F or hotter. 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.