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Monthly climate guide

Monrovia weather in December

Expect hot weather in Monrovia in December: afternoons reach about 30°C (85°F), while nights drop to around 23°C (73°F). Around 37 mm of rain falls over the month (fairly dry), and skies are a mix of sun and cloud. Daytime highs are about the same as November and about the same as January.

What stands out in December

  • It's one of the sunniest months here, with cloud cover around 45%.
  • It's one of the drier months, with about 80% less rain than Monrovia's average.
  • December sits in Monrovia's drier season — usually a comfortable time to visit.
  • It's humid — around 80% — so the heat feels heavier.

Avg high

30°C

85°F

Avg low

23°C

73°F

Rainfall

37 mm

fairly dry

Humidity

80%

relative

Sky

45%

cloud · a mix of sun and cloud

Monrovia weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Monrovia
MonthAvg highAvg lowRainHumidityCloud cover
January30°C / 87°F23°C / 73°F10 mm77%40%
February31°C / 87°F24°C / 75°F29 mm80%51%
March31°C / 88°F25°C / 77°F38 mm81%59%
April31°C / 88°F25°C / 78°F65 mm81%67%
May30°C / 86°F25°C / 77°F146 mm83%79%
June29°C / 84°F24°C / 76°F304 mm86%82%
July27°C / 81°F23°C / 74°F340 mm87%86%
August27°C / 81°F23°C / 74°F509 mm88%87%
September28°C / 82°F24°C / 74°F354 mm90%87%
October28°C / 83°F24°C / 75°F308 mm89%78%
November29°C / 84°F24°C / 76°F112 mm87%69%
December30°C / 85°F23°C / 73°F37 mm80%45%

What to pack for December

  • Light, breathable clothing (cotton or linen)
  • A sun hat and high-SPF sunscreen
  • A refillable water bottle
  • A small travel umbrella, just in case
  • Quick-dry fabrics — it feels stickier than the temperature suggests
Full season-by-season packing guide →

Is December a good time to visit Monrovia?

Compare the months in the chart above to find your ideal window.

Best time to visit Monrovia →

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Monrovia in December: quick answers

Is December a good time to visit Monrovia?

Yes. December is one of the best months for Monrovia, with highs around 30°C and about 37 mm of rain.

How warm is Monrovia in December?

Average highs are about 30°C (85°F) and average lows about 23°C (73°F), based on 10 years of daily data.

Does it rain a lot in Monrovia in December?

Monrovia typically gets around 37 mm of rain in December — fairly dry.

Figures are long-term averages for the area around Monrovia (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.