Climate and monthly weather forecast
Johor Bahru, Malaysia

Jousted by the equator, the city of Johor Bahru, Malaysia, is characterized by the Af or Tropical rainforest climate within the Köppen climate classification. As predicted in this type of climate, Johor Bahru experiences consistently high temperatures and significant rainfall throughout the year. Bearing no clear-cut distinction between seasons, weather patterns are instead governed by a pronounced wet season and an extended period of relatively lesser rainfalls.

Monthly average high temperatures sustain a narrow range between 30.6°C (87.1°F) in December and 32.8°C (91°F) in April, painting the portrait of a city under a ceaseless balmy climate. The average lows, slightly cooler but not dramatically so, oscillate between 21.9°C (71.4°F) and 23.1°C (73.6°F), granting Johor Bahru humid nights throughout the year. The hardness of the sunshine in Johor Bahru must not be underestimated, with UV index reaching its apex at 12 and only somewhat relenting to 11 in June and July.

Rainfall ascends to its zenith in December with 245mm (9.65"), while February experiences the least precipitation, recording 140mm (5.51") of rainfall. The number of rainfall days follows a comparable pattern, peaking in November and December with 17 and 15 days, respectively. Johor Bahru is subjected to a truly tropical experience with rainfall frequencies that are inherent to its climate classification.

The daylight hours and sunshiny durations express a similar story of stability, between 12 hours and 12.2 hours, and 4 hours and 7 hours, respectively. Moreover, the sea temperature offers an inviting embrace throughout the year, peaking at 30.2°C (86.4°F) from May to June, and descending to a still temperate 27.7°C (81.9°F) in January.

The optimal period for a trip hinges largely on personal preferences and how individuals adapt to the tropical rainforest climate. However, for those preferring a degree of dryness, the months from February to April might offer the most desirable weather conditions in Johor Bahru. The city during this time experiences relatively lower rainfall, between 140mm (5.51") and 203mm (7.99"), with high temperatures that nudge from 31°C (87.8°F) to 32.5°C (90.5°F), combined with comforting sea temperatures of 28.2°C (82.8°F) to 29.7°C (85.5°F).

On balance, the heaviest rainfall and increased cloud filling might persuade visitors to avoid visiting Johor Bahru from November to December. During this time, a surge in rainfall, touching the highest values of 238mm (9.37") and 378mm (14.88") is recorded, and sunshine hours drop to their annual low of around 4 to 5 hours daily.

Spring, regarded as the period between March and May in Johor Bahru, comes adorned with high temperatures registering from 32.5°C (90.5°F) to 32.8°C (91°F), while lows remain snug from 22.4°C (72.3°F) to 23.1°C (73.6°F). Rainfall is at a heightened state during this period, reaching from 203mm (7.99") to 215mm (8.46"), in March and May, respectively.

The period between June and August, which aligns to the summer months in Johor Bahru, holds high temperatures between 31.5°C (88.7°F) to 32.1°C (89.8°F). The lows dwell around their annual maximum from 22.4°C (72.3°F) to 22.9°C (73.2°F). Rainfall during this time covers a broad span from 148mm (5.83") in June to 186mm (7.32") in August.

Autumn weather corresponds to the period between September and November. High temperatures are consistent within a narrow range from 31.3°C (88.3°F) to 31.8°C (89.2°F) while lows hover around 22.4°C (72.3°F) to 22.7°C (72.9°F). Rainfall begins its uptrend during these months, witnessing a significant increase from 191mm (7.52") in September to 238mm (9.37") by November.

Winter months in Johor Bahru, designated as December to February, fetch a variation in high temperatures that dip slightly from 30.6°C (87.1°F) to 31°C (87.8°F), while lows maintain a balmy 21.9°C (71.4°F) to 22°C (71.6°F). A high volume of rainfall, from the annual peak of 245mm (9.65") in December to 140mm (5.51") in February, characterizes this period.

For Johor Bahru, Malaysia, January's conditions mark a distinguished starting point for the year with the seasonal changes monitoring a considerable deluge. There is an intriguing contrast between the high/low temperatures and the abundant rainfall. Weather in January »

The city of Johor Bahru greets February with a decrease in rainfall and an expectation of higher daily sunshine hours. The weather pattern experiences a shift towards a drier climate in contrast to the preceding month with rainfall reducing drastically. Weather in February »

Rainfall in the city of Johor Bahru registers a sudden upswing in March, serving prominent humidity levels. An exceptional feature this month registers in the form of a surge in rainfall reaching a substantial 203mm (7.99"), thus, recording the year's third-highest rainfall quantity. Weather in March »

Broadening the horizon into April, Johor Bahru continues to witness a consistent incline in temperature and rainfall. This month, as opposed to March, records the most considerable monthly rainfall, with an impressive 233mm (9.17") spread over 15 days. Weather in April »

May carries along a distinct shift in the city's weather pattern with a minor decline in rainfall and a stable temperature. The aquatic temperature, compared to April, registers the highest sea temperature value all year, hitting a maximum of 30.2°C (86.4°F). Weather in May »

Navigating into June, Johor Bahru experiences minor changes in terms of meteorological conditions. In terms of rainfall, there persists a significant reduction from the preceding month, promoting sun-filled outdoor activities. With the summer solstice in sight, the continuation of shorter rain spells and longer sunny intervals encourage visitors to explore the city's natural and cultural wonders. Weather in June »

July in the city of Johor Bahru heralds the onset of amenable climatic conditions with a consistent temperature and increasing precipitation. Weather records reveal minimal fluctuation in the month's high/low temperatures, with a maximum of 31.5°C (88.7°F) and a base of 22.4°C (72.3°F). Weather in July »

The city becomes alive with mesmerizing merriment and a blend of climatic conditions in August. In comparison to the preceding month, there is a slight increase in rainfall without any noteworthy change in temperature levels. Outdoor activities can be explored with ease and comfort, experiencing the warm sea currents in tranquillity. Weather in August »

As Johor Bahru transitions into September, there is a persistent increment in precipitation coupled with minimal temperature changes. The recorded sea temperature, differing from the average of previous months, displays a slight increase to 29.4°C (84.9°F). Weather in September »

October's steady weather conditions remain a significant hallmark for Johor Bahru. With a slight increase in sea temperature from 29.4°C (84.9°F) to 29.8°C (85.6°F), the fluctuation enhances the allure for aquatic activities. Weather in October »

As November unveils itself, a noteworthy upturn in precipitation characterises this city's weather pattern, with rainfall peaking at this time of the year. Weather patterns register a peak with a striking 238mm (9.37") of rainfall recorded over 17 days. Weather in November »

December in Johor Bahru signifies the commencement of the city's transition into its high moisture phase. Unlike the preceding month, the change manifests in the form of a slightly lower temperature and an increase in precipitation. Weather in December »