York Weather in August (1981–2025)

📍 39.95°N, 76.72°W •
📊

August at a Glance in York

(1981–2025)
Avg High
🔥
29.4°C
Avg Low
❄️
17.6°C
Avg Temp
🌡️
23.5°C
Avg Rain
🌧️
97 mm
Avg Humidity
💧
68%
Avg Wind
🌬️
1 m/s
Avg Solar
☀️
5.4
kWh/m²/day
vs Annual
📈
+12.3°C
temp difference
🌡️Warm afternoons🌤️Cool mornings☀️Very sunny🌧️Wet month🍃Light winds😊Comfortable humidity

York August Weather Overview

August is one of the warmer months of the year in York, with average highs near 29.4°C and lows around 17.6°C (mean 23.5°C). It is about average for rainfall, averaging 97 mm of rainfall and 68% relative humidity across the period.

York August Temperature History (1981–2025)

Range

August is one of the warmer months of the year in York. Across 45 years of records, the warmest August in York was 2016 — when the month averaged 25.7°C — while the coldest was 1994 at 21°C. Typical August days reach 29.4°C with nights near 17.6°C. The long-term trend is warming, about 0.3°C per decade.

1981–1985 vs 2021–2025

Avg Temp22.8°C→24.3°C+1.5°C
Max Temp29.0°C→30.4°C+1.4°C
Min Temp16.5°C→18.3°C+1.8°C

Trend (per decade)

Avg Temp+0.3°C/decade ↗
Max Temp+0.2°C/decade ↗
Min Temp+0.4°C/decade ↗

Distribution of Avg Temp

21.0°C–22.3°C13 yr (29%)
22.3°C–23.5°C8 yr (18%)
23.5°C–24.8°C14 yr (31%)
24.8°C–26.0°C10 yr (22%)

York August Rainfall History (1981–2025)

Range

August is about average for rainfall in York, averaging 97 mm of rainfall. The wettest August on record was 2011 with 209 mm, while the driest was 1995 at 36 mm.

York August Humidity History (1981–2025)

Range

Relative humidity in York during August averages 68%. The most humid August was 2018 at 84%, and the least humid was 2002 at 56%.

York August Solar History (1981–2025)

Range

August receives about 5.4 kWh/m²/day of solar energy in York. The sunniest August was 2022 at 6.2 kWh/m²/day, and the cloudiest were 1990 and 2000 at 4.7.

York August Wind History (1981–2025)

Range

Average wind speed in York during August is 1 m/s. The windiest August was 2023 at 1.2 m/s, while the calmest were 1996 and 2003 at 0.8 m/s.

What August Feels Like in York

🌅
Cool
Morning
🌞
Warm
Afternoon
🌆
Mild
Evening
Rain chanceHigh
Outdoor comfort★★★★☆

How August Ranks in York

🔥2nd warmest month of the year
🌧️5th wettest month of the year
☀️4th sunniest month of the year

Ranked against the other 11 months using 1981–2025 averages.

Explore York Weather by Month

York August Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp23.0°C23.1°C23.8°C23.5°C24.4°C+1.4°C
Avg High29.1°C29.2°C29.5°C29.1°C30.3°C+1.2°C
Avg Low16.8°C16.9°C18.1°C17.8°C18.5°C+1.7°C
Avg Rain79 mm97 mm94 mm110 mm105 mm+26 mm

Extreme August Records in York

🔥Warmest August38.6°C1988
🧊Coldest August6.0°C1982
🌧️Wettest August209 mm2011
🏜️Driest August36 mm1995
🌬️Windiest August1.2 m/s2023

Key Insights for August

✅

August temperatures in York have risen by about 1.5°C between 1981–1985 and 2021–2025.

✅

August has ranged from a record low of 6°C (1982) to a record high of 38.6°C (1988).

✅

Rainfall in August is about average for rainfall, averaging 97 mm, with a wettest year of 209 mm.

✅

Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.

Is August a Good Time to Visit York?

One of the best times to visit York

August is one of the best times to visit York. Expect days averaging 29.4°C and nights around 17.6°C (mean 23.5°C) — warmer than York's yearly average — with higher rainfall (97 mm), so conditions are generally comfortable for sightseeing and outdoor plans.

See York's complete weather history All 12 months side by side, 1981–2025 records, annual trends and long-term averages in one place. View full history →

York Weather in August — In Depth

☀️ August climate overview

August is one of the warmer months of the year in York, with average highs near 29.4°C and lows around 17.6°C (mean 23.5°C). It is about average for rainfall, averaging 97 mm of rainfall and 68% relative humidity across the period.

🌧️ Rain, humidity & wind in August

August averages 97 mm of rainfall in York, about average for rainfall compared with the rest of the year. The wettest August on record saw 209 mm (2011), and the driest just 36 mm (1995). Humidity sits around 68% and average wind speed is 1 m/s, with solar radiation averaging 5.4 kWh/m²/day.

📈 How August has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.5°C. Daytime highs moved from 29°C to 30.4°C and overnight lows from 16.5°C to 18.3°C over the same span.
August Weather in York, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202529.5°C22.9°C16.3°C35.2°C9.7°C38 mm60%1 m/s5.4
202429.4°C23.6°C17.9°C36.0°C10.7°C159 mm73%1 m/s5.4
202330.1°C24.1°C18.2°C33.7°C13.5°C76 mm65%1.2 m/s5.5
202231.9°C25.5°C19.1°C36.7°C13.7°C79 mm62%1 m/s6.2
202130.9°C25.5°C20.0°C36.4°C14.8°C146 mm71%0.9 m/s5.1
202030.2°C24.8°C19.3°C34.1°C14.7°C135 mm71%1 m/s5.2
201930.2°C24.3°C18.4°C34.4°C12.9°C75 mm68%0.9 m/s5.6
201827.8°C23.4°C19.0°C33.3°C13.4°C180 mm84%1 m/s5.5
201727.1°C21.8°C16.4°C32.3°C11.3°C120 mm75%0.9 m/s5.4
2016 🔥31.6°C25.7°C19.8°C35.4°C13.6°C74 mm67%1 m/s6
201530.3°C23.8°C17.4°C35.5°C13.4°C70 mm61%1 m/s5.9
201427.8°C21.8°C15.8°C33.3°C10.8°C93 mm71%0.9 m/s5.4
201328.0°C22.4°C16.9°C32.5°C10.3°C102 mm72%0.9 m/s5
201229.5°C23.9°C18.4°C33.6°C13.6°C101 mm68%0.9 m/s5.4
2011 🌧️28.4°C23.0°C17.6°C33.4°C11.5°C209 mm72%1.1 m/s5.2
201030.4°C24.4°C18.5°C36.1°C12.5°C78 mm65%1 m/s5.1
200928.5°C23.5°C18.5°C32.9°C12.6°C151 mm77%0.9 m/s5.3
200828.5°C22.2°C15.9°C32.4°C11.8°C55 mm64%1 m/s5.7
200730.0°C24.2°C18.4°C35.6°C13.7°C128 mm68%1 m/s5.2
200630.6°C24.5°C18.3°C36.4°C11.8°C49 mm63%1 m/s5.6
200530.9°C25.2°C19.5°C37.1°C13.0°C63 mm66%1 m/s5.2
200426.8°C21.7°C16.6°C31.0°C11.2°C127 mm80%0.9 m/s5.2
200328.0°C23.3°C18.7°C30.9°C10.8°C130 mm81%0.8 m/s4.9
200232.1°C25.6°C19.1°C38.0°C13.5°C70 mm56%1 m/s5.4
200131.7°C25.3°C18.9°C37.8°C15.4°C86 mm62%1 m/s5.3
200028.0°C22.4°C16.9°C32.8°C9.4°C78 mm69%1.1 m/s4.7
199930.2°C23.7°C17.3°C35.6°C10.9°C109 mm58%1.1 m/s5.3
199830.2°C23.9°C17.5°C33.6°C9.6°C72 mm64%1 m/s5.6
199728.3°C22.2°C16.1°C35.3°C11.4°C98 mm64%1.1 m/s5.3
199626.8°C21.6°C16.3°C31.0°C13.0°C85 mm78%0.8 m/s5.5
199532.5°C25.5°C18.5°C36.4°C13.9°C36 mm57%1 m/s5.7
1994 ❄️26.6°C21.0°C15.5°C32.9°C8.8°C154 mm77%1 m/s5.1
199330.6°C24.2°C17.9°C35.5°C11.1°C93 mm64%0.9 m/s5.4
199227.9°C21.6°C15.3°C33.1°C10.2°C61 mm67%1.1 m/s5.4
199131.0°C24.7°C18.3°C37.5°C14.3°C98 mm60%1 m/s5.5
199027.9°C22.2°C16.6°C32.9°C12.8°C168 mm74%0.9 m/s4.7
198927.4°C22.1°C16.9°C31.1°C10.4°C55 mm76%0.9 m/s4.8
198831.4°C24.9°C18.4°C38.6°C10.5°C91 mm61%1.1 m/s5.4
198730.6°C24.0°C17.5°C36.3°C10.3°C74 mm60%1.1 m/s5.1
198627.7°C21.9°C16.1°C31.7°C6.9°C120 mm68%1.1 m/s5.4
198528.3°C22.6°C16.9°C34.5°C12.3°C71 mm66%1 m/s5.4
198427.4°C22.2°C16.9°C30.3°C8.3°C106 mm79%0.9 m/s5.7
198331.6°C24.9°C18.1°C38.2°C10.3°C67 mm61%1 m/s—
198228.3°C21.7°C15.0°C33.3°C6.0°C56 mm62%1 m/s—
198129.3°C22.5°C15.7°C32.6°C9.5°C72 mm62%1 m/s—

Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.

Other Cities in Pennsylvania

York August Weather — FAQ

What is the average temperature in York in August?▼

The average high in August is around 29.4°C with lows near 17.6°C (mean 23.5°C), based on 45 years of NASA POWER data.

Does it rain a lot in York in August?▼

August averages 97 mm of rainfall in York, about average for rainfall. The wettest on record was 209 mm in 2011.

What was the hottest August on record in York?▼

The hottest August reached 38.6°C in 1988. The coldest dipped to 6°C in 1982.

Has August in York gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.5°C. Daytime highs moved from 29°C to 30.4°C and overnight lows from 16.5°C to 18.3°C over the same span.

Is August a good time to visit York?▼

August is one of the warmer months of the year in York and about average for rainfall, so plan for around 29.4°C daytime highs and 17.6°C at night.

Is August the coldest month in York?▼

Not quite — August is the 11th coolest month in York, averaging 23.5°C.

What should I pack for York in August?▼

For August in York, pack light layers you can adjust through the day, with typical highs of 29.4°C and lows of 17.6°C. Bring an umbrella or light rain jacket too.

Is York humid in August?▼

Relative humidity in August averages 68% — moderately humid.

How windy is York in August?▼

Average wind speed in August is 1 m/s. The windiest August on record averaged 1.2 m/s (2023).

Which August had the most rainfall in York?▼

The wettest August on record was 2011 with 209 mm. On average, August sees 97 mm.

Where does this August weather data come from?▼

All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.

Other Pennsylvania cities

Explore how the weather in York behaves each August, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for August specifically, along with year-by-year records and how the month has changed over the decades.