Climate averages 1991–2020

Oyem weather
in July.

A warm, wet month: one of the coolest and the 5th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 27.2°C Daytime mean, July

Average low 19.8°C Night-time mean, July

Rainfall 119 mm 20 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

July is a warm month in Oyem: daytime highs average 27.2°C and nights cool to about 19.8°C. By daytime temperature it is one of the coolest months of the year.

Expect about 119 mm of rain on roughly 20 days, which makes July a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average July day.

The nearest other city in this atlas is Ciudad de la Paz (84 km away). In July its highs average 26.7°C, 0.6°C cooler than Oyem, with 136 mm of rain.

Among the 6 cities listed in Gabon, Oyem ranks 4th of 6 for the warmest July highs and 6th of 6 for the driest July (rainfall, lowest first). The mean July high of those 6 cities is 27.8°C; Oyem is 0.6°C cooler than that mean.

From July to August, average highs rise by 0.2°C to 27.4°C, and monthly rainfall falls from 119 mm to 117 mm.

The annual picture

July in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Oyem climate table

1991–2020

Monthly climate averages for Oyem, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	29.0°C20.3°C	20.3°C	84	16.4	12.012 h
February	29.0°C20.5°C	20.5°C	113	17.2	12.112 h
March	28.8°C20.6°C	20.6°C	200	25.4	12.112 h
April	28.8°C20.7°C	20.7°C	226	26.4	12.112 h
May	28.3°C20.6°C	20.6°C	185	26.9	12.212 h
June	27.6°C20.2°C	20.2°C	143	22.7	12.212 h
July, selected	27.2°C19.8°C	19.8°C	119	20.4	12.212 h
August	27.4°C20.0°C	20.0°C	117	20.6	12.212 h
September	27.5°C20.1°C	20.1°C	223	27.2	12.112 h
October	27.2°C20.1°C	20.1°C	261	29.1	12.112 h
November	27.4°C19.9°C	19.9°C	232	27.3	12.012 h
December	28.3°C20.1°C	20.1°C	116	20.4	12.012 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

July in nearby cities

Distance from Oyem

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Oyem) is explained once on the Oyem year overview and on the Sources, method and limits page.