Gopalganj Weather in December (1981–2025)

📍 26.47°N, 84.44°E •
📊

December at a Glance in Gopalganj

(1981–2025)
Avg High
🔥
24.7°C
Avg Low
❄️
10.6°C
Avg Temp
🌡️
17.7°C
Avg Rain
🌧️
6 mm
Avg Humidity
💧
53%
Avg Wind
🌬️
1.4 m/s
Avg Solar
☀️
3.1
kWh/m²/day
vs Annual
📈
-8.7°C
temp difference
🌤️Mild afternoons🌤️Cool mornings☁️Cloudier skies💧Dry month🍃Light winds🏜️Low humidity

Gopalganj December Weather Overview

December is one of the cooler months of the year in Gopalganj, with average highs near 24.7°C and lows around 10.6°C (mean 17.7°C). It is one of the drier months, averaging 6 mm of rainfall and 53% relative humidity across the period.

Gopalganj December Temperature History (1981–2025)

Range

December is one of the cooler months of the year in Gopalganj. Across 45 years of records, the warmest December in Gopalganj was 2023 — when the month averaged 19.4°C — while the coldest was 2012 at 14.9°C. Typical December days reach 24.7°C with nights near 10.6°C. The long-term trend is cooling, about 0.3°C per decade.

1981–1985 vs 2021–2025

Avg Temp17.7°C→17.3°C-0.4°C
Max Temp25.2°C→23.9°C-1.3°C
Min Temp10.3°C→10.7°C+0.4°C

Trend (per decade)

Avg Temp-0.3°C/decade ↘
Max Temp-0.5°C/decade ↘
Min Temp-0.1°C/decade ↘

Distribution of Avg Temp

14.0°C–15.5°C3 yr (7%)
15.5°C–17.0°C8 yr (18%)
17.0°C–18.5°C20 yr (44%)
18.5°C–20.0°C14 yr (31%)

Gopalganj December Rainfall History (1981–2025)

Range

December is one of the drier months in Gopalganj, averaging 6 mm of rainfall. The wettest December on record was 1997 with 34 mm, while the driest were 2022, 2024 and 2025, among others at 0 mm.

Gopalganj December Humidity History (1981–2025)

Range

Relative humidity in Gopalganj during December averages 53%. The most humid December was 2021 at 80%, and the least humid was 1994 at 34%.

Gopalganj December Solar History (1981–2025)

Range

December receives about 3.1 kWh/m²/day of solar energy in Gopalganj. The sunniest December was 1994 at 4 kWh/m²/day, and the cloudiest was 2016 at 2.2.

Gopalganj December Wind History (1981–2025)

Range

Average wind speed in Gopalganj during December is 1.4 m/s. The windiest Decembers were 1982 and 2012 at 1.7 m/s, while the calmest were 2001, 2008 and 2011, among others at 1.1 m/s.

What December Feels Like in Gopalganj

🌅
Cool
Morning
🌞
Mild
Afternoon
🌆
Cool
Evening
Rain chanceVery Low
Outdoor comfort★★★★★

How December Ranks in Gopalganj

🥶2nd coolest month of the year
🌵2nd driest month of the year
☀️12th sunniest month of the year

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

Explore Gopalganj Weather by Month

Gopalganj December Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp17.9°C18.4°C17.4°C17.1°C17.3°C-0.6°C
Avg High25.2°C25.8°C24.3°C24.0°C24.0°C-1.2°C
Avg Low10.6°C11.0°C10.6°C10.1°C10.6°C0°C
Avg Rain10 mm8 mm3 mm4 mm5 mm-6 mm

Extreme December Records in Gopalganj

🔥Warmest December31.6°C2023
🧊Coldest December1.9°C2019
🌧️Wettest December34 mm1997
🏜️Driest December0 mm1990
🌬️Windiest December1.7 m/s1982

Key Insights for December

✅

December temperatures in Gopalganj have fallen by about 0.4°C between 1981–1985 and 2021–2025.

✅

December has ranged from a record low of 1.9°C (2019) to a record high of 31.6°C (2023).

✅

Rainfall in December is one of the drier months, averaging 6 mm, with a wettest year of 34 mm.

✅

Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows fell 0.1°C per decade, narrowing the gap between day and night.

Is December a Good Time to Visit Gopalganj?

One of the best times to visit Gopalganj

December is one of the best times to visit Gopalganj. Expect days averaging 24.7°C and nights around 10.6°C (mean 17.7°C) — cooler than Gopalganj's yearly average — with low rainfall (6 mm), so conditions are generally comfortable for sightseeing and outdoor plans.

See Gopalganj'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 →

Gopalganj Weather in December — In Depth

☀️ December climate overview

December is one of the cooler months of the year in Gopalganj, with average highs near 24.7°C and lows around 10.6°C (mean 17.7°C). It is one of the drier months, averaging 6 mm of rainfall and 53% relative humidity across the period.

🌧️ Rain, humidity & wind in December

December averages 6 mm of rainfall in Gopalganj, one of the drier months compared with the rest of the year. The wettest December on record saw 34 mm (1997), and the driest just 0 mm (1990). Humidity sits around 53% and average wind speed is 1.4 m/s, with solar radiation averaging 3.1 kWh/m²/day.

📈 How December has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 10.3°C to 10.7°C while daytime highs eased from 25.2°C to 23.9°C, narrowing the gap between day and night.
December Weather in Gopalganj, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202522.3°C15.7°C9.0°C24.6°C5.4°C0 mm73%1.2 m/s—
202425.6°C18.5°C11.5°C28.4°C5.5°C0 mm59%1.4 m/s2.9
2023 🔥26.0°C19.4°C12.7°C31.6°C8.9°C3 mm58%1.5 m/s2.7
202223.6°C16.7°C9.7°C26.0°C6.7°C0 mm72%1.6 m/s2.9
202122.2°C16.4°C10.6°C26.5°C4.1°C21 mm80%1.6 m/s2.9
202024.2°C17.2°C10.3°C26.5°C4.7°C4 mm59%1.5 m/s2.6
201921.4°C15.1°C8.8°C25.4°C1.9°C26 mm76%1.6 m/s2.3
201825.1°C17.9°C10.8°C27.8°C4.6°C0 mm48%1.5 m/s2.9
201726.3°C19.3°C12.3°C29.9°C8.1°C0 mm50%1.5 m/s2.7
201625.4°C17.9°C10.4°C28.0°C7.2°C0 mm57%1.5 m/s2.2
201525.9°C18.9°C11.8°C31.2°C6.5°C0 mm41%1.3 m/s2.6
201423.0°C15.6°C8.2°C26.1°C4.4°C7 mm59%1.5 m/s2.3
201323.7°C17.1°C10.5°C26.1°C6.0°C0 mm66%1.3 m/s2.8
2012 ❄️22.1°C14.9°C7.6°C25.3°C3.8°C0 mm62%1.7 m/s2.5
201123.9°C17.2°C10.5°C27.9°C5.6°C0 mm57%1.1 m/s2.3
201023.6°C16.8°C9.9°C27.6°C5.2°C1 mm60%1.3 m/s3.3
200924.5°C17.5°C10.5°C27.4°C5.3°C4 mm55%1.4 m/s3.2
200823.6°C17.8°C12.0°C26.7°C8.5°C1 mm74%1.1 m/s2.4
200721.8°C15.1°C8.4°C24.6°C3.8°C0 mm66%1.3 m/s3.2
200624.9°C18.0°C11.2°C28.4°C7.7°C7 mm53%1.2 m/s3.3
200524.3°C17.0°C9.7°C26.7°C6.3°C0 mm56%1.3 m/s3.4
200424.9°C18.3°C11.8°C27.9°C5.5°C0 mm53%1.2 m/s2.8
200324.7°C17.8°C10.9°C28.5°C6.5°C7 mm53%1.2 m/s3.2
200225.5°C18.4°C11.3°C28.1°C8.3°C11 mm42%1.3 m/s2.9
200123.8°C16.8°C9.8°C25.1°C6.3°C0 mm52%1.1 m/s2.6
200024.9°C17.5°C10.2°C26.4°C7.5°C0 mm42%1.2 m/s3.8
199926.7°C18.9°C11.1°C29.1°C7.4°C0 mm39%1.3 m/s3.5
199825.5°C18.2°C10.9°C28.1°C8.1°C0 mm46%1.2 m/s3.4
1997 🌧️23.3°C17.1°C10.8°C28.9°C5.8°C34 mm61%1.6 m/s2.5
199625.7°C17.6°C9.6°C27.5°C4.9°C0 mm40%1.4 m/s3.8
199525.9°C18.5°C11.1°C28.3°C7.6°C24 mm45%1.4 m/s3.5
199426.8°C18.8°C10.8°C30.0°C5.6°C0 mm34%1.4 m/s4
199326.0°C18.7°C11.3°C28.4°C7.2°C0 mm35%1.1 m/s3.6
199226.3°C19.0°C11.7°C28.5°C8.3°C2 mm38%1.2 m/s3.8
199125.7°C18.6°C11.4°C28.4°C6.6°C16 mm44%1.5 m/s3.4
199026.4°C18.8°C11.2°C28.2°C6.5°C0 mm43%1.4 m/s3.7
198925.7°C18.2°C10.8°C29.0°C6.6°C8 mm36%1.2 m/s3.6
198826.2°C19.2°C12.2°C28.8°C8.1°C25 mm43%1.3 m/s3.7
198723.7°C16.8°C9.8°C26.4°C7.3°C3 mm59%1.1 m/s3.7
198625.4°C18.5°C11.6°C28.0°C7.5°C29 mm47%1.4 m/s3.5
198523.3°C16.9°C10.5°C26.5°C6.5°C4 mm70%1.5 m/s3.8
198426.1°C17.9°C9.7°C28.7°C4.3°C3 mm40%1.5 m/s3.6
198326.2°C18.5°C10.9°C29.0°C6.9°C9 mm41%1.6 m/s—
198225.8°C18.1°C10.4°C28.1°C7.2°C4 mm45%1.7 m/s—
198124.4°C17.2°C9.9°C26.3°C7.0°C9 mm57%1.5 m/s—

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

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Gopalganj December Weather — FAQ

What is the average temperature in Gopalganj in December?▼

The average high in December is around 24.7°C with lows near 10.6°C (mean 17.7°C), based on 45 years of NASA POWER data.

Does it rain a lot in Gopalganj in December?▼

December averages 6 mm of rainfall in Gopalganj, one of the drier months. The wettest on record was 34 mm in 1997.

What was the hottest December on record in Gopalganj?▼

The hottest December reached 31.6°C in 2023. The coldest dipped to 1.9°C in 2019.

Has December in Gopalganj gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 10.3°C to 10.7°C while daytime highs eased from 25.2°C to 23.9°C, narrowing the gap between day and night.

Is December a good time to visit Gopalganj?▼

December is one of the cooler months of the year in Gopalganj and one of the drier months, so plan for around 24.7°C daytime highs and 10.6°C at night.

Is December the coldest month in Gopalganj?▼

Not quite — December is the 2nd coolest month in Gopalganj, averaging 17.7°C.

What should I pack for Gopalganj in December?▼

For December in Gopalganj, pack light layers you can adjust through the day, with typical highs of 24.7°C and lows of 10.6°C.

Is Gopalganj humid in December?▼

Relative humidity in December averages 53% — relatively dry.

How windy is Gopalganj in December?▼

Average wind speed in December is 1.4 m/s. The windiest December on record averaged 1.7 m/s (1982).

Which December had the most rainfall in Gopalganj?▼

The wettest December on record was 1997 with 34 mm. On average, December sees 6 mm.

Where does this December 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 Bihar cities

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