Lancaster Weather in April (1981–2025)

📍 34.72°N, 118.14°W •
📊

April at a Glance in Lancaster

(1981–2025)
Avg High
🔥
22.7°C
Avg Low
❄️
6.7°C
Avg Temp
🌡️
14.7°C
Avg Rain
🌧️
18 mm
Avg Humidity
💧
55%
Avg Wind
🌬️
2.4 m/s
Avg Solar
☀️
6.6
kWh/m²/day
vs Annual
📈
-2.5°C
temp difference
🌤️Mild afternoons❄️Cold mornings☀️Very sunny💧Dry month🍃Light winds😊Comfortable humidity

Lancaster April Weather Overview

April is one of the cooler months of the year in Lancaster, with average highs near 22.7°C and lows around 6.7°C (mean 14.7°C). It is about average for rainfall, averaging 18 mm of rainfall and 55% relative humidity across the period.

Lancaster April Temperature History (1981–2025)

Range

April is one of the cooler months of the year in Lancaster. Across 45 years of records, the warmest April in Lancaster was 1989 — when the month averaged 18.2°C — while the coldest was 1983 at 10.1°C. Typical April days reach 22.7°C with nights near 6.7°C. The long-term trend is warming, about 0.3°C per decade.

1981–1985 vs 2021–2025

Avg Temp13.8°C→15.4°C+1.6°C
Max Temp21.7°C→23.6°C+1.9°C
Min Temp5.8°C→7.2°C+1.4°C

Trend (per decade)

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

Distribution of Avg Temp

10.0°C–12.3°C5 yr (11%)
12.3°C–14.5°C12 yr (27%)
14.5°C–16.8°C24 yr (53%)
16.8°C–19.0°C4 yr (9%)

Lancaster April Rainfall History (1981–2025)

Range

April is about average for rainfall in Lancaster, averaging 18 mm of rainfall. The wettest April on record was 2020 with 83 mm, while the driest was 1993 at 0 mm.

Lancaster April Humidity History (1981–2025)

Range

Relative humidity in Lancaster during April averages 55%. The most humid April was 1983 at 70%, and the least humid was 1987 at 40%.

Lancaster April Solar History (1981–2025)

Range

April receives about 6.6 kWh/m²/day of solar energy in Lancaster. The sunniest April was 2008 at 7.4 kWh/m²/day, and the cloudiest was 2006 at 5.7.

Lancaster April Wind History (1981–2025)

Range

Average wind speed in Lancaster during April is 2.4 m/s. The windiest Aprils were 1984, 1996 and 1997 at 2.9 m/s, while the calmest were 1992 and 2023 at 2 m/s.

What April Feels Like in Lancaster

🌅
Cold
Morning
🌞
Mild
Afternoon
🌆
Cool
Evening
Rain chanceLow
Outdoor comfort★★★★★

How April Ranks in Lancaster

🥶6th coolest month of the year
🌧️6th wettest month of the year
☀️5th sunniest month of the year

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

Explore Lancaster Weather by Month

Lancaster April Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp14.8°C14.2°C14.1°C15.4°C15.3°C+0.5°C
Avg High22.9°C22.1°C22.1°C23.4°C23.4°C+0.5°C
Avg Low6.6°C6.3°C6.2°C7.4°C7.3°C+0.7°C
Avg Rain25 mm13 mm20 mm12 mm20 mm-6 mm

Extreme April Records in Lancaster

🔥Warmest April35.1°C2021
🧊Coldest April-2.3°C1999
🌧️Wettest April83 mm2020
🏜️Driest April0 mm1993
🌬️Windiest April2.9 m/s1984

Key Insights for April

✅

April temperatures in Lancaster have risen by about 1.6°C between 1981–1985 and 2021–2025.

✅

April has ranged from a record low of -2.3°C (1999) to a record high of 35.1°C (2021).

✅

Rainfall in April is about average for rainfall, averaging 18 mm, with a wettest year of 83 mm.

Is April a Good Time to Visit Lancaster?

A good time to visit Lancaster

April is a good time to visit Lancaster, with days averaging 22.7°C and nights around 6.7°C (mean 14.7°C, cooler than Lancaster's yearly average) and low rainfall. June and September are marginally more temperate, but April still suits most travellers.

See Lancaster'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 →

Lancaster Weather in April — In Depth

☀️ April climate overview

April is one of the cooler months of the year in Lancaster, with average highs near 22.7°C and lows around 6.7°C (mean 14.7°C). It is about average for rainfall, averaging 18 mm of rainfall and 55% relative humidity across the period.

🌧️ Rain, humidity & wind in April

April averages 18 mm of rainfall in Lancaster, about average for rainfall compared with the rest of the year. The wettest April on record saw 83 mm (2020), and the driest just 0 mm (1993). Humidity sits around 55% and average wind speed is 2.4 m/s, with solar radiation averaging 6.6 kWh/m²/day.

📈 How April has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.6°C. Daytime highs moved from 21.7°C to 23.6°C and overnight lows from 5.8°C to 7.2°C over the same span.
April Weather in Lancaster, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202522.9°C15.2°C7.5°C31.6°C1.3°C7 mm58%2.2 m/s6.3
202421.6°C13.8°C6.1°C30.9°C-1.5°C17 mm66%2.2 m/s6.5
202322.9°C14.9°C6.9°C31.6°C-1.7°C2 mm62%2 m/s6.9
202224.9°C16.2°C7.5°C33.4°C0.8°C7 mm49%2.5 m/s7.1
202125.8°C16.8°C7.8°C35.1°C3.3°C2 mm44%2.3 m/s7
2020 🌧️22.1°C15.0°C8.0°C33.8°C1.8°C83 mm67%2.4 m/s6
201923.0°C15.7°C8.4°C29.9°C4.5°C2 mm63%2.4 m/s6.4
201824.7°C16.3°C7.9°C31.3°C0.8°C2 mm49%2.4 m/s6.9
201723.6°C15.6°C7.7°C30.9°C1.6°C3 mm55%2.7 m/s6.9
201623.7°C16.1°C8.5°C30.5°C3.3°C14 mm51%2.4 m/s6.7
201523.9°C15.8°C7.7°C31.4°C1.4°C6 mm45%2.4 m/s6.8
201424.8°C16.4°C8.0°C30.5°C0.8°C11 mm44%2.5 m/s7
201325.7°C16.7°C7.7°C34.5°C0.9°C2 mm45%2.5 m/s6.9
201224.0°C15.4°C6.8°C34.6°C-0.5°C39 mm51%2.5 m/s6.6
201121.3°C13.9°C6.6°C30.4°C-0.8°C3 mm64%2.6 m/s6.7
201019.8°C12.1°C4.4°C28.9°C0.2°C35 mm63%2.5 m/s6.6
200922.0°C13.8°C5.5°C34.1°C-0.3°C3 mm52%2.4 m/s6.9
200823.2°C14.4°C5.6°C31.2°C-0.1°C1 mm47%2.5 m/s7.4
200723.8°C15.4°C7.1°C35.0°C1.6°C17 mm48%2.4 m/s6.5
200619.5°C12.8°C6.1°C29.9°C1.2°C47 mm68%2.4 m/s5.7
200520.5°C13.0°C5.6°C27.2°C1.6°C18 mm63%2.4 m/s6.9
200424.3°C16.0°C7.7°C34.4°C2.5°C7 mm50%2.1 m/s6.9
200318.7°C11.5°C4.4°C27.1°C-0.2°C34 mm65%2.6 m/s6.2
200223.7°C15.4°C7.0°C34.5°C1.6°C4 mm51%2.4 m/s6.5
200120.7°C12.9°C5.1°C31.5°C-2.2°C26 mm60%2.2 m/s6.4
200024.4°C16.0°C7.6°C32.6°C2.8°C47 mm55%2.4 m/s6.6
199919.3°C11.9°C4.5°C32.2°C-2.3°C45 mm57%2.7 m/s6.1
199818.3°C11.3°C4.4°C28.7°C-0.1°C23 mm68%2.3 m/s6.5
199723.1°C15.0°C6.9°C30.9°C0.6°C1 mm50%2.9 m/s6.7
199624.4°C16.0°C7.7°C34.3°C2.6°C11 mm49%2.9 m/s7.1
199520.0°C12.7°C5.5°C26.8°C1.2°C20 mm65%2.5 m/s6.4
199423.1°C15.0°C6.9°C31.3°C1.7°C17 mm52%2.2 m/s6.4
199322.5°C14.5°C6.5°C29.9°C3.0°C0 mm62%2.5 m/s7.1
199224.4°C16.2°C7.9°C30.9°C4.3°C2 mm61%2 m/s6.8
199121.0°C13.1°C5.1°C28.3°C0.6°C1 mm61%2.6 m/s6.8
199024.5°C16.2°C8.0°C31.3°C3.8°C13 mm54%2.3 m/s6.1
1989 🔥27.1°C18.2°C9.2°C34.9°C2.7°C3 mm45%2.3 m/s6.7
198822.3°C14.5°C6.7°C31.6°C1.7°C60 mm53%2.5 m/s5.8
198726.5°C17.8°C9.0°C32.6°C2.9°C5 mm40%2.3 m/s6.7
198621.3°C13.5°C5.7°C29.6°C2.4°C16 mm60%2.5 m/s6.3
198525.7°C16.9°C8.0°C31.7°C1.8°C1 mm43%2.6 m/s7
198422.3°C13.9°C5.5°C31.5°C-0.4°C7 mm44%2.9 m/s6.3
1983 ❄️16.4°C10.1°C3.9°C23.0°C-0.9°C77 mm70%2.7 m/s—
198220.6°C12.8°C5.1°C27.9°C-1.8°C44 mm62%2.6 m/s—
198123.7°C15.1°C6.5°C33.3°C0.5°C14 mm51%2.3 m/s—

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

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Lancaster April Weather — FAQ

What is the average temperature in Lancaster in April?▼

The average high in April is around 22.7°C with lows near 6.7°C (mean 14.7°C), based on 45 years of NASA POWER data.

Does it rain a lot in Lancaster in April?▼

April averages 18 mm of rainfall in Lancaster, about average for rainfall. The wettest on record was 83 mm in 2020.

What was the hottest April on record in Lancaster?▼

The hottest April reached 35.1°C in 2021. The coldest dipped to -2.3°C in 1999.

Has April in Lancaster gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.6°C. Daytime highs moved from 21.7°C to 23.6°C and overnight lows from 5.8°C to 7.2°C over the same span.

Is April a good time to visit Lancaster?▼

April is one of the cooler months of the year in Lancaster and about average for rainfall, so plan for around 22.7°C daytime highs and 6.7°C at night.

Is April the coldest month in Lancaster?▼

Not quite — April is the 6th coolest month in Lancaster, averaging 14.7°C.

What should I pack for Lancaster in April?▼

For April in Lancaster, pack warm layers and a jacket for chilly mornings, with typical highs of 22.7°C and lows of 6.7°C.

Is Lancaster humid in April?▼

Relative humidity in April averages 55% — moderately humid.

How windy is Lancaster in April?▼

Average wind speed in April is 2.4 m/s. The windiest April on record averaged 2.9 m/s (1984).

Which April had the most rainfall in Lancaster?▼

The wettest April on record was 2020 with 83 mm. On average, April sees 18 mm.

Where does this April 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.

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Explore how the weather in Lancaster behaves each April, 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 April specifically, along with year-by-year records and how the month has changed over the decades.