Allentown weather in June: Allentown, Pennsylvania: normal highs, lows, rain and records for June
Allentown in June has a normal high of 82°F and a normal low of 60°F, a daily mean of 71°F, rising from 78°F on the 1st to 86°F by the 30th. Measurable precipitation falls on 11 days in a normal June, 4.40 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 16°C, 112 mm of precipitation in June.
- NOAA stationAllentown Lehigh Valley International Airport
- Station IDUSW00014737
- Location40.65°N 75.45°W
- Elevation390 ft (119 m)
- From the center4 miles
- Population127,138
- Jan 38° 22°
- Feb 42° 23°
- Mar 51° 31°
- Apr 63° 40°
- May 74° 51°
- Jun 82° 60°
- Jul 86° 65°
- Aug 84° 63°
- Sep 77° 55°
- Oct 66° 44°
- Nov 54° 34°
- Dec 43° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Allentown in June?
The normal high is 82°F and the normal low 60°F, for a daily mean of 70.9°F. June is 8.9°F warmer than May and 4.7°F cooler than July. June is the 3rd warmest month of the year in Allentown and the 4th wettest. Across the month the normal high rises 8°F, from 78°F on June 1 to 86°F on June 30. From one year to the next June's mean temperature typically moves about 1.4°F either way (NOAA's standard deviation), so roughly two Junes in three average between 70°F and 72°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 40%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| June 1 | 78°F | 56°F | 40% | 25% |
| June 8 | 80°F | 58°F | 39% | 25% |
| June 15 | 82°F | 60°F | 38% | 24% |
| June 22 | 84°F | 62°F | 37% | 24% |
| June 30 | 86°F | 64°F | 36% | 24% |
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| June 1 | 78°F | 56°F | 40% | 25% | 14 h 50 min |
| June 2 | 78°F | 56°F | 40% | 25% | 14 h 50 min |
| June 3 | 78°F | 56°F | 40% | 25% | 14 h 50 min |
| June 4 | 79°F | 57°F | 39% | 25% | 15 h |
| June 5 | 79°F | 57°F | 39% | 25% | 15 h |
| June 6 | 79°F | 57°F | 39% | 25% | 15 h |
| June 7 | 80°F | 58°F | 39% | 25% | 15 h |
| June 8 | 80°F | 58°F | 39% | 25% | 15 h |
| June 9 | 80°F | 58°F | 39% | 24% | 15 h |
| June 10 | 80°F | 59°F | 39% | 24% | 15 h |
| June 11 | 81°F | 59°F | 39% | 24% | 15 h |
| June 12 | 81°F | 59°F | 39% | 24% | 15 h |
| June 13 | 81°F | 59°F | 39% | 24% | 15 h |
| June 14 | 82°F | 60°F | 38% | 24% | 15 h |
| June 15 | 82°F | 60°F | 38% | 24% | 15 h |
| June 16 | 82°F | 60°F | 38% | 24% | 15 h |
| June 17 | 83°F | 61°F | 38% | 24% | 15 h |
| June 18 | 83°F | 61°F | 38% | 24% | 15 h |
| June 19 | 83°F | 61°F | 38% | 24% | 15 h 10 min |
| June 20 | 83°F | 61°F | 37% | 24% | 15 h 10 min |
| June 21 | 84°F | 62°F | 37% | 24% | 15 h 10 min |
| June 22 | 84°F | 62°F | 37% | 24% | 15 h 10 min |
| June 23 | 84°F | 62°F | 37% | 23% | 15 h 10 min |
| June 24 | 84°F | 62°F | 37% | 23% | 15 h 10 min |
| June 25 | 85°F | 63°F | 37% | 23% | 15 h 10 min |
| June 26 | 85°F | 63°F | 36% | 23% | 15 h |
| June 27 | 85°F | 63°F | 36% | 24% | 15 h |
| June 28 | 85°F | 63°F | 36% | 24% | 15 h |
| June 29 | 85°F | 63°F | 36% | 24% | 15 h |
| June 30 | 86°F | 64°F | 36% | 24% | 15 h |
- Normal high
- 82°FJune average
- Normal low
- 60°FJune average
- Precipitation
- 4.40 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 14 h 50 min to 15 hJune 1 to June 30
- Days at 70°F or more
- 28
- Days at 80°F or more
- 19
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014737; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Allentown in June?
On a given June day the chance of 0.01 inch or more is 38% on average, highest around June 1 (40%). In all, 4.40 in falls on 11 days of a normal June, 1 of them with an inch or more.
In a normal June in Allentown, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014737.
How humid and windy is Allentown in June?
At 3 p.m. the normal temperature is 83°F with 49% relative humidity and a dew point of 62°F; at 6 a.m. it is 67°F with 85% humidity. The wind averages 6.1 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 67°F | 62°F | 85% | 3.7 mph | 66% |
| 9 a.m. | 75°F | 63°F | 65% | 6.4 mph | 66% |
| noon | 81°F | 62°F | 53% | 8.3 mph | 54% |
| 3 p.m. | 83°F | 62°F | 49% | 9.2 mph | 55% |
| 6 p.m. | 80°F | 62°F | 53% | 8.5 mph | 61% |
| 9 p.m. | 73°F | 62°F | 68% | 5.3 mph | 64% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014737. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for June in Allentown?
The warmest June temperature on Allentown's official record (since 1922) is 100°F, on June 20, 1923; the coldest is 39°F, on June 8, 1932. The wettest June brought 9.13 in (2006).
The June mean against the 1991-2020 normal of 70.9°F: 2021 71.3°F (+0.4), 2022 68.3°F (−2.6), 2023 67.3°F (−3.7), 2024 72.7°F (+1.8), 2025 71.4°F (+0.5), 2026 71.1°F (+0.2). 4 of 6 ran warmer than normal.
| June | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.3°F | +0.4°F | 2.81 in |
| 2022 | 68.3°F | −2.6°F | 3.92 in |
| 2023 | 67.3°F | −3.7°F | 3.98 in |
| 2024 | 72.7°F | +1.8°F | 2.27 in |
| 2025 | 71.4°F | +0.5°F | 3.26 in |
| 2026 | 71.1°F | +0.2°F | 2.41 in |
Source: records: ACIS, NWS threaded record ABEthr; recent months: ACIS, station USW00014737. Records and recent months use complete months only.
How does June in Allentown compare across Pennsylvania?
Across the 108 places PlainClimate covers in Pennsylvania, June normal highs run from 73°F in Laporte to 84°F in Norristown; Allentown's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.