Lancaster Weather in January (1981–2025)

📍 40.05°N, 76.30°W •
📊

January at a Glance in Lancaster

(1981–2025)
Avg High
🔥
2.1°C
Avg Low
❄️
-6.1°C
Avg Temp
🌡️
-2.0°C
Avg Rain
🌧️
78 mm
Avg Humidity
💧
86%
Avg Wind
🌬️
1.6 m/s
Avg Solar
☀️
1.8
kWh/m²/day
vs Annual
📈
-13.3°C
temp difference
❄️Cold afternoons🥶Freezing mornings☁️Cloudier skies🌧️Wet month🍃Light winds💦Humid air

Lancaster January Weather Overview

January is one of the cooler months of the year in Lancaster, with average highs near 2.1°C and lows around -6.1°C (mean -2°C). It is one of the drier months, averaging 78 mm of rainfall and 86% relative humidity across the period.

Lancaster January Temperature History (1981–2025)

Range

January is one of the cooler months of the year in Lancaster. Across 45 years of records, the warmest January in Lancaster was 2023 — when the month averaged 3.2°C — while the coldest was 1994 at -8.5°C. Typical January days reach 2.1°C with nights near -6.1°C. The long-term trend is warming, about 0.6°C per decade.

1981–1985 vs 2021–2025

Avg Temp-4.8°C→-0.7°C+4.1°C
Max Temp-0.6°C→3.2°C+3.8°C
Min Temp-9.0°C→-4.6°C+4.4°C

Trend (per decade)

Avg Temp+0.6°C/decade ↗
Max Temp+0.6°C/decade ↗
Min Temp+0.7°C/decade ↗

Distribution of Avg Temp

-9.0°C–-5.7°C3 yr (7%)
-5.7°C–-2.5°C15 yr (33%)
-2.5°C–0.8°C19 yr (42%)
0.8°C–4.0°C8 yr (18%)

Lancaster January Rainfall History (1981–2025)

Range

January is one of the drier months in Lancaster, averaging 78 mm of rainfall. The wettest January on record was 1996 with 169 mm, while the driest was 1981 at 12 mm.

Lancaster January Humidity History (1981–2025)

Range

Relative humidity in Lancaster during January averages 86%. The most humid January was 1994 at 95%, and the least humid was 2025 at 79%.

Lancaster January Solar History (1981–2025)

Range

January receives about 1.8 kWh/m²/day of solar energy in Lancaster. The sunniest Januarys were 2008, 2022 and 2025, among others at 2.1 kWh/m²/day, and the cloudiest were 2017, 2023 and 2024 at 1.5.

Lancaster January Wind History (1981–2025)

Range

Average wind speed in Lancaster during January is 1.6 m/s. The windiest Januarys were 1997, 2000 and 2004 at 1.9 m/s, while the calmest was 1984 at 1.3 m/s.

What January Feels Like in Lancaster

🌅
Freezing
Morning
🌞
Cold
Afternoon
🌆
Freezing
Evening
Rain chanceModerate
Outdoor comfort★☆☆☆☆

How January Ranks in Lancaster

🥶1st coolest month of the year
🌵2nd driest month of the year
☀️11th sunniest month of the year

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

Explore Lancaster Weather by Month

Lancaster January Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp-3.9°C-1.6°C-1.7°C-2.1°C-0.3°C+3.6°C
Avg High0.3°C2.6°C2.4°C1.9°C3.7°C+3.4°C
Avg Low-8.1°C-5.7°C-5.7°C-6.1°C-4.3°C+3.8°C
Avg Rain63 mm105 mm68 mm75 mm77 mm+14 mm

Extreme January Records in Lancaster

🔥Warmest January19.3°C2024
🧊Coldest January-30.1°C1994
🌧️Wettest January169 mm1996
🏜️Driest January12 mm1981
🌬️Windiest January1.9 m/s1997

Key Insights for January

✅

January temperatures in Lancaster have risen by about 4.1°C between 1981–1985 and 2021–2025.

✅

January has ranged from a record low of -30.1°C (1994) to a record high of 19.3°C (2024).

✅

Rainfall in January is one of the drier months, averaging 78 mm, with a wettest year of 169 mm.

Is January a Good Time to Visit Lancaster?

A quieter season to visit Lancaster

If your dates are flexible, the more temperate months of June and August tend to be the most comfortable for visiting Lancaster. That said, January — with days averaging 2.1°C and nights around -6.1°C (mean -2°C) and moderate rainfall (78 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.

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 January — In Depth

☀️ January climate overview

January is one of the cooler months of the year in Lancaster, with average highs near 2.1°C and lows around -6.1°C (mean -2°C). It is one of the drier months, averaging 78 mm of rainfall and 86% relative humidity across the period.

🌧️ Rain, humidity & wind in January

January averages 78 mm of rainfall in Lancaster, one of the drier months compared with the rest of the year. The wettest January on record saw 169 mm (1996), and the driest just 12 mm (1981). Humidity sits around 86% and average wind speed is 1.6 m/s, with solar radiation averaging 1.8 kWh/m²/day.

📈 How January has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 4.1°C. Daytime highs moved from -0.6°C to 3.2°C and overnight lows from -9°C to -4.6°C over the same span.
January Weather in Lancaster, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
20250.8°C-3.3°C-7.3°C8.3°C-16.2°C27 mm79%1.8 m/s2.1
20244.1°C0.0°C-4.0°C19.3°C-13.1°C159 mm89%1.6 m/s1.5
2023 🔥7.1°C3.2°C-0.7°C14.4°C-4.8°C73 mm88%1.5 m/s1.5
20221.3°C-3.1°C-7.4°C14.1°C-15.8°C71 mm81%1.7 m/s2.1
20212.9°C-0.4°C-3.6°C8.6°C-9.1°C47 mm86%1.5 m/s1.8
20205.7°C1.5°C-2.6°C17.6°C-11.2°C82 mm83%1.6 m/s1.8
20191.9°C-2.2°C-6.3°C12.8°C-19.8°C94 mm87%1.8 m/s1.8
20182.3°C-2.3°C-6.9°C17.3°C-18.0°C64 mm81%1.7 m/s1.9
20174.4°C1.0°C-2.4°C13.9°C-12.6°C73 mm84%1.6 m/s1.5
20161.8°C-2.4°C-6.6°C14.6°C-15.3°C86 mm83%1.7 m/s2
20150.3°C-3.7°C-7.7°C9.7°C-14.2°C78 mm84%1.7 m/s1.7
2014-0.4°C-4.8°C-9.2°C9.7°C-18.4°C75 mm85%1.7 m/s1.9
20133.4°C-0.3°C-4.1°C18.5°C-12.4°C96 mm86%1.5 m/s1.8
20124.4°C0.3°C-3.8°C14.2°C-12.3°C66 mm87%1.7 m/s2
2011-0.4°C-4.2°C-8.1°C7.3°C-16.6°C57 mm88%1.4 m/s1.9
20101.6°C-2.2°C-6.0°C13.6°C-13.8°C59 mm86%1.8 m/s1.8
2009-0.8°C-4.5°C-8.3°C6.6°C-17.5°C57 mm85%1.5 m/s1.9
20083.6°C-0.4°C-4.4°C15.9°C-14.0°C36 mm83%1.5 m/s2.1
20075.4°C1.4°C-2.5°C18.0°C-12.0°C70 mm84%1.6 m/s1.7
20066.9°C2.4°C-2.2°C15.1°C-6.9°C108 mm87%1.7 m/s1.7
20051.8°C-2.4°C-6.6°C17.9°C-19.2°C108 mm89%1.6 m/s1.6
2004-1.6°C-5.5°C-9.3°C13.5°C-17.3°C49 mm85%1.9 m/s1.9
2003-1.1°C-4.6°C-8.1°C8.2°C-15.7°C52 mm85%1.7 m/s1.8
20025.9°C1.5°C-2.8°C19.0°C-10.6°C61 mm83%1.4 m/s1.9
20012.0°C-2.1°C-6.2°C7.4°C-14.4°C65 mm88%1.4 m/s1.9
20001.5°C-2.5°C-6.6°C15.9°C-17.5°C74 mm84%1.9 m/s2
19993.6°C-1.1°C-5.8°C17.8°C-14.4°C155 mm85%1.6 m/s1.8
19985.7°C2.0°C-1.8°C18.3°C-10.4°C124 mm89%1.5 m/s1.6
19971.4°C-2.6°C-6.6°C15.6°C-18.8°C67 mm86%1.9 m/s1.8
1996 🌧️-0.5°C-5.0°C-9.5°C12.4°C-21.5°C169 mm93%1.8 m/s1.7
19953.9°C0.3°C-3.3°C17.0°C-11.7°C101 mm85%1.7 m/s2
1994 ❄️-3.4°C-8.5°C-13.6°C5.3°C-30.1°C138 mm95%1.6 m/s1.9
19933.7°C0.1°C-3.4°C13.9°C-8.7°C60 mm85%1.5 m/s1.6
19923.7°C-0.5°C-4.8°C15.5°C-12.2°C48 mm83%1.8 m/s1.8
19912.4°C-1.6°C-5.6°C9.7°C-11.8°C80 mm86%1.6 m/s1.8
19905.2°C1.3°C-2.6°C13.8°C-7.7°C111 mm88%1.5 m/s1.7
19893.9°C-0.3°C-4.4°C9.8°C-14.3°C66 mm84%1.5 m/s1.8
1988-0.1°C-4.2°C-8.4°C9.9°C-15.6°C68 mm86%1.5 m/s1.9
1987-0.4°C-4.3°C-8.3°C10.4°C-24.8°C108 mm94%1.6 m/s1.8
19861.8°C-2.7°C-7.1°C11.3°C-19.4°C83 mm86%1.6 m/s1.9
1985-0.6°C-4.6°C-8.6°C14.4°C-22.1°C36 mm83%1.8 m/s2.1
1984-1.7°C-6.3°C-10.9°C7.0°C-24.7°C40 mm94%1.3 m/s1.7
19832.6°C-1.3°C-5.1°C9.5°C-14.1°C65 mm85%1.6 m/s—
1982-2.2°C-6.5°C-10.9°C12.3°C-20.4°C91 mm86%1.8 m/s—
1981-1.0°C-5.3°C-9.6°C7.9°C-17.7°C12 mm82%1.6 m/s—

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

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Lancaster January Weather — FAQ

What is the average temperature in Lancaster in January?▼

The average high in January is around 2.1°C with lows near -6.1°C (mean -2°C), based on 45 years of NASA POWER data.

Does it rain a lot in Lancaster in January?▼

January averages 78 mm of rainfall in Lancaster, one of the drier months. The wettest on record was 169 mm in 1996.

What was the hottest January on record in Lancaster?▼

The hottest January reached 19.3°C in 2024. The coldest dipped to -30.1°C in 1994.

Has January in Lancaster gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 4.1°C. Daytime highs moved from -0.6°C to 3.2°C and overnight lows from -9°C to -4.6°C over the same span.

Is January a good time to visit Lancaster?▼

January is one of the cooler months of the year in Lancaster and one of the drier months, so plan for around 2.1°C daytime highs and -6.1°C at night.

Is January the coldest month in Lancaster?▼

Yes — January is the coldest month of the year in Lancaster, averaging -2°C.

What should I pack for Lancaster in January?▼

For January in Lancaster, pack warm layers and a jacket for chilly mornings, with typical highs of 2.1°C and lows of -6.1°C. Bring an umbrella or light rain jacket too.

Is Lancaster humid in January?▼

Relative humidity in January averages 86% — quite humid.

How windy is Lancaster in January?▼

Average wind speed in January is 1.6 m/s. The windiest January on record averaged 1.9 m/s (1997).

Which January had the most rainfall in Lancaster?▼

The wettest January on record was 1996 with 169 mm. On average, January sees 78 mm.

Where does this January 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 January, 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 January specifically, along with year-by-year records and how the month has changed over the decades.