Meridian Weather in January (1981–2025)

📍 43.61°N, 116.42°W •
📊

January at a Glance in Meridian

(1981–2025)
Avg High
🔥
2.4°C
Avg Low
❄️
-5.3°C
Avg Temp
🌡️
-1.4°C
Avg Rain
🌧️
51 mm
Avg Humidity
💧
82%
Avg Wind
🌬️
2.1 m/s
Avg Solar
☀️
1.7
kWh/m²/day
vs Annual
📈
-12°C
temp difference
❄️Cold afternoons🥶Freezing mornings☁️Cloudier skies🌦️Some rain🍃Light winds💦Humid air

Meridian January Weather Overview

January is one of the cooler months of the year in Meridian, with average highs near 2.4°C and lows around -5.3°C (mean -1.4°C). It is a relatively wet time of year, averaging 51 mm of rainfall and 82% relative humidity across the period.

Meridian January Temperature History (1981–2025)

Range

January is one of the cooler months of the year in Meridian. Across 45 years of records, the warmest January in Meridian was 2003 — when the month averaged 3°C — while the coldest was 2017 at -7.1°C. Typical January days reach 2.4°C with nights near -5.3°C. The long-term trend is warming, about 0.3°C per decade.

1981–1985 vs 2021–2025

Avg Temp-2.8°C→-1.3°C+1.5°C
Max Temp1.2°C→2.5°C+1.3°C
Min Temp-6.7°C→-5.1°C+1.6°C

Trend (per decade)

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

Distribution of Avg Temp

-8.0°C–-5.2°C3 yr (7%)
-5.2°C–-2.5°C11 yr (24%)
-2.5°C–0.3°C21 yr (47%)
0.3°C–3.0°C10 yr (22%)

Meridian January Rainfall History (1981–2025)

Range

January is a relatively wet time of year in Meridian, averaging 51 mm of rainfall. The wettest January on record was 2017 with 118 mm, while the driest was 1985 at 5 mm.

Meridian January Humidity History (1981–2025)

Range

Relative humidity in Meridian during January averages 82%. The most humid January was 1984 at 92%, and the least humid was 2012 at 72%.

Meridian January Solar History (1981–2025)

Range

January receives about 1.7 kWh/m²/day of solar energy in Meridian. The sunniest January was 2007 at 2.2 kWh/m²/day, and the cloudiest were 1990 and 2004 at 1.4.

Meridian January Wind History (1981–2025)

Range

Average wind speed in Meridian during January is 2.1 m/s. The windiest January was 2008 at 2.9 m/s, while the calmest was 1985 at 1.2 m/s.

What January Feels Like in Meridian

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

How January Ranks in Meridian

🥶1st coolest month of the year
🌧️2nd wettest month of the year
☀️11th sunniest month of the year

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

Explore Meridian Weather by Month

Meridian January Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp-2.7°C-1.0°C-1.2°C-1.3°C-1.0°C+1.7°C
Avg High1.3°C2.9°C2.7°C2.5°C2.9°C+1.6°C
Avg Low-6.7°C-4.9°C-5.1°C-5.2°C-4.8°C+1.9°C
Avg Rain37 mm59 mm43 mm57 mm62 mm+25 mm

Extreme January Records in Meridian

🔥Warmest January14.7°C2024
🧊Coldest January-22.7°C2017
🌧️Wettest January118 mm2017
🏜️Driest January5 mm1985
🌬️Windiest January2.9 m/s2008

Key Insights for January

✅

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

✅

January has ranged from a record low of -22.7°C (2017) to a record high of 14.7°C (2024).

✅

Rainfall in January is a relatively wet time of year, averaging 51 mm, with a wettest year of 118 mm.

Is January a Good Time to Visit Meridian?

A quieter season to visit Meridian

If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Meridian. That said, January — with days averaging 2.4°C and nights around -5.3°C (mean -1.4°C) and moderate rainfall (51 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.

See Meridian'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 →

Meridian Weather in January — In Depth

☀️ January climate overview

January is one of the cooler months of the year in Meridian, with average highs near 2.4°C and lows around -5.3°C (mean -1.4°C). It is a relatively wet time of year, averaging 51 mm of rainfall and 82% relative humidity across the period.

🌧️ Rain, humidity & wind in January

January averages 51 mm of rainfall in Meridian, a relatively wet time of year compared with the rest of the year. The wettest January on record saw 118 mm (2017), and the driest just 5 mm (1985). Humidity sits around 82% and average wind speed is 2.1 m/s, with solar radiation averaging 1.7 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 1.5°C. Daytime highs moved from 1.2°C to 2.5°C and overnight lows from -6.7°C to -5.1°C over the same span.
January Weather in Meridian, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
20253.1°C-0.9°C-4.8°C6.8°C-9.8°C41 mm76%1.7 m/s2.1
20242.3°C-1.4°C-5.1°C14.7°C-20.9°C99 mm87%2.4 m/s1.6
20232.9°C-1.0°C-4.8°C7.4°C-13.7°C39 mm82%2.5 m/s1.7
20220.3°C-3.7°C-7.6°C3.5°C-19.5°C51 mm87%1.7 m/s1.8
20214.0°C0.3°C-3.4°C7.7°C-7.1°C58 mm78%2.3 m/s1.8
20204.7°C0.7°C-3.3°C10.6°C-12.4°C82 mm80%2.3 m/s1.5
20194.1°C0.1°C-4.0°C8.3°C-13.2°C51 mm78%2.3 m/s1.9
20185.6°C2.0°C-1.7°C12.6°C-6.0°C63 mm78%2.1 m/s1.7
2017 ❄️ 🌧️-2.7°C-7.1°C-11.5°C2.4°C-22.7°C118 mm91%1.9 m/s1.5
20161.9°C-1.7°C-5.4°C7.3°C-17.0°C58 mm86%2.2 m/s1.7
20153.5°C0.1°C-3.4°C9.3°C-14.3°C35 mm85%1.4 m/s1.7
20143.5°C-0.2°C-3.9°C7.9°C-8.9°C32 mm74%1.7 m/s1.8
2013-1.0°C-5.0°C-9.0°C7.2°C-17.1°C29 mm87%1.9 m/s1.9
20124.1°C0.0°C-4.1°C10.9°C-11.2°C83 mm72%2.2 m/s1.8
20111.9°C-1.9°C-5.6°C8.5°C-17.6°C39 mm84%1.6 m/s1.8
20103.8°C0.2°C-3.3°C8.7°C-12.3°C67 mm82%2.6 m/s1.6
20092.4°C-1.7°C-5.8°C7.6°C-15.0°C33 mm81%1.7 m/s1.6
20080.6°C-3.6°C-7.7°C6.8°C-15.1°C48 mm81%2.9 m/s1.7
20071.5°C-2.8°C-7.0°C7.4°C-15.6°C14 mm77%1.9 m/s2.2
20063.9°C0.5°C-2.9°C9.3°C-6.2°C78 mm82%2.6 m/s1.5
20054.4°C0.2°C-3.9°C10.3°C-10.4°C15 mm81%2 m/s1.7
20040.4°C-3.4°C-7.3°C4.2°C-20.1°C58 mm88%2.1 m/s1.4
2003 🔥6.8°C3.0°C-0.9°C13.9°C-5.2°C53 mm82%1.6 m/s1.5
20022.0°C-1.5°C-5.0°C6.4°C-11.6°C38 mm81%2.3 m/s1.6
20012.1°C-2.1°C-6.3°C6.5°C-10.9°C29 mm78%1.8 m/s1.6
20003.2°C-0.3°C-3.8°C8.4°C-9.3°C66 mm82%2.1 m/s1.5
19993.6°C-0.1°C-3.8°C9.2°C-11.2°C54 mm77%2.2 m/s1.6
19983.9°C0.1°C-3.6°C9.6°C-10.0°C96 mm83%2.3 m/s1.5
19972.0°C-1.7°C-5.4°C7.9°C-17.3°C97 mm84%2.1 m/s1.7
19962.5°C-1.3°C-5.0°C8.4°C-18.2°C70 mm83%2.3 m/s1.5
19954.0°C0.4°C-3.3°C10.5°C-12.9°C75 mm81%2.6 m/s1.7
19944.5°C0.8°C-3.0°C9.7°C-7.8°C43 mm78%1.8 m/s1.7
1993-0.8°C-5.4°C-10.0°C2.6°C-16.2°C60 mm89%2.1 m/s1.8
19923.6°C-0.2°C-4.1°C11.7°C-8.6°C15 mm76%2.3 m/s1.7
19911.6°C-2.7°C-7.1°C6.8°C-13.3°C39 mm77%1.9 m/s1.8
19903.7°C0.2°C-3.3°C10.2°C-8.6°C47 mm77%2.3 m/s1.4
1989-0.6°C-4.7°C-8.9°C3.7°C-14.2°C49 mm90%1.9 m/s1.7
19880.7°C-3.2°C-7.2°C5.9°C-15.1°C52 mm82%2 m/s1.7
19871.5°C-2.8°C-7.1°C11.2°C-17.7°C37 mm81%2 m/s1.7
19864.3°C0.5°C-3.3°C10.3°C-10.4°C41 mm82%2.6 m/s1.6
1985-0.7°C-4.9°C-9.1°C3.9°C-15.0°C5 mm86%1.2 m/s1.9
1984-1.2°C-5.1°C-9.1°C3.9°C-21.1°C20 mm92%1.5 m/s1.7
19833.8°C0.3°C-3.1°C7.9°C-13.0°C52 mm84%2.3 m/s—
1982-1.4°C-5.5°C-9.5°C3.8°C-21.7°C50 mm90%2.2 m/s—
19815.5°C1.3°C-2.9°C11.5°C-7.6°C28 mm75%2.2 m/s—

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

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Meridian January Weather — FAQ

What is the average temperature in Meridian in January?▼

The average high in January is around 2.4°C with lows near -5.3°C (mean -1.4°C), based on 45 years of NASA POWER data.

Does it rain a lot in Meridian in January?▼

January averages 51 mm of rainfall in Meridian, a relatively wet time of year. The wettest on record was 118 mm in 2017.

What was the hottest January on record in Meridian?▼

The hottest January reached 14.7°C in 2024. The coldest dipped to -22.7°C in 2017.

Has January in Meridian 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 1.5°C. Daytime highs moved from 1.2°C to 2.5°C and overnight lows from -6.7°C to -5.1°C over the same span.

Is January a good time to visit Meridian?▼

January is one of the cooler months of the year in Meridian and a relatively wet time of year, so plan for around 2.4°C daytime highs and -5.3°C at night.

Is January the coldest month in Meridian?▼

Yes — January is the coldest month of the year in Meridian, averaging -1.4°C.

What should I pack for Meridian in January?▼

For January in Meridian, pack warm layers and a jacket for chilly mornings, with typical highs of 2.4°C and lows of -5.3°C. Bring an umbrella or light rain jacket too.

Is Meridian humid in January?▼

Relative humidity in January averages 82% — quite humid.

How windy is Meridian in January?▼

Average wind speed in January is 2.1 m/s. The windiest January on record averaged 2.9 m/s (2008).

Which January had the most rainfall in Meridian?▼

The wettest January on record was 2017 with 118 mm. On average, January sees 51 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 Meridian 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.