Climate Insights for Olombo

, Plateaux, Republic of the Congo

Hottest
March
33°C peak
Coldest
July
22°C low
Wettest
October
188mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Olombo is hot. The average annual temperature is 26°C and approximately 1424mm of precipitation falls per year. Olombo receives a notable amount of rainfall throughout the year, including during its driest month. Olombo sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 32° Average: 27° Min: 23° Feb Max: 32° Average: 27° Min: 23° Mar Max: 33° Average: 27° Min: 23° Apr Max: 32° Average: 27° Min: 23° May Max: 32° Average: 26° Min: 23° Jun Max: 31° Average: 26° Min: 22° Jul Max: 30° Average: 25° Min: 22° Aug Max: 30° Average: 26° Min: 22° Sep Max: 31° Average: 26° Min: 22° Oct Max: 31° Average: 26° Min: 22° Nov Max: 31° Average: 26° Min: 22° Dec Max: 31° Average: 26° Min: 22°
Max
Average
Min

Olombo sees moderate temperature variation throughout the year, ranging from 22°C to 33°C. The warmest month is March, when average highs reach 33°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 22°C and an average of 25°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 92mm Feb Precipitation: 141mm Mar Precipitation: 122mm Apr Precipitation: 162mm May Precipitation: 112mm Jun Precipitation: 42mm Jul Precipitation: 35mm Aug Precipitation: 87mm Sep Precipitation: 131mm Oct Precipitation: 188mm Nov Precipitation: 169mm Dec Precipitation: 142mm
Precipitation

Olombo is a fairly wet location, receiving approximately 1424mm of precipitation annually, which averages out to around 119mm per month. The wettest month is October, averaging 188mm of rainfall. November and April also tend to see above-average precipitation. The driest month is July, with just 35mm. That's 153mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 1km/h May Wind Speed: 1km/h Jun Wind Speed: 1km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 1km/h Nov Wind Speed: 1km/h Dec Wind Speed: 1km/h
Wind Speed

Olombo is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

3 days until Winter

It is currently autumn in Olombo, which began on March 20, 2026. Olombo sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 33°C, while the coldest stretch bottoms out in July near 22°C. Winter is next, beginning on June 21, 2026 — 3 days from now.

Spring

Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 488mm across the season with a monthly average of 163mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 22 to 32°C. Rainfall is heavy, totalling around 375mm across the season with a monthly average of 125mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 33°C. Rainfall is heavy, totalling around 396mm across the season with a monthly average of 132mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 22 to 31°C. Precipitation is moderate at around 165mm for the season, averaging 55mm per month. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Olombo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
23 °C
32 °C
2 km/h
92 mm
0 cm
Feb
23 °C
32 °C
2 km/h
141 mm
0 cm
Mar
23 °C
33 °C
2 km/h
122 mm
0 cm
Apr
23 °C
32 °C
1 km/h
162 mm
0 cm
May
23 °C
32 °C
1 km/h
112 mm
0 cm
Jun Current
22 °C
31 °C
1 km/h
42 mm
0 cm
Jul
22 °C
30 °C
2 km/h
35 mm
0 cm
Aug
22 °C
30 °C
2 km/h
87 mm
0 cm
Sep
22 °C
31 °C
2 km/h
131 mm
0 cm
Oct
22 °C
31 °C
1 km/h
188 mm
0 cm
Nov
22 °C
31 °C
1 km/h
169 mm
0 cm
Dec
22 °C
31 °C
1 km/h
142 mm
0 cm
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