Climate and monthly weather forecastMacau, China

Climate and monthly weather forecast
The climate of Macau
Macau, China, enjoys a Humid subtropical climate with dry winters, referred to as Cwa in the Köppen climate classification. Being located on the southeast coast of China, the region's geographical position influences its moderate marine climate.Macau experiences considerable fluctuations in weather conditions throughout the year. An analysis of the average monthly temperatures uncovers an apparent pattern. From a humble 12.5°C (54.5°F) to a pleasant 18.2°C (64.8°F) in January, there is a steady rise in temperatures reaching up to a scorching 31.6°C (88.9°F) in July. Temperatures start to descend after July, reaching a comfortable 20.1°C (68.2°F) in December.
As for Macau's humidity, it remains relatively high throughout the year, starting from 73.8% in January and peaking at 86.1% in April. It gradually dips to 68.5% by December.
Rainfall shows an interesting trend in Macau. Starting from 27mm (1.06") in January, it dramatically increases and reaches its peak, 364mm (14.33"), in June. Afterward, there is a significant drop in rainfall, with December experiencing only 30mm (1.18"). Unsurprisingly, June also records the highest number of rainfall days, 17.7 days, while December has the least, 4.5 days.
The best time to visit Macau
Considering the average temperatures, humidity, rainfall, and daylight hours, the period between October and December (autumn and early winter) emerges as the most pleasant time to visit Macau. During this period, the average high temperatures range from 28.1°C (82.6°F) to 20.1°C (68.2°F), and low temperatures vary from 22.6°C (72.7°F) to 14°C (57.2°F), providing a comfortable thermal ambience. At this time, rainfall and humidity also decrease significantly, making outdoor activities more enjoyable.The worst time to visit Macau
The period between May and September (late spring and summer) is arguably the least attractive time to visit Macau due to the region's harsh weather conditions. These months mark the peak of high temperatures, with daily highs rising from 28.4°C (83.1°F) to 31.6°C (88.9°F), and minimums soaring from 23.6°C (74.5°F) to 26.2°C (79.2°F). These months also encounter the maximum rainfall, with May having 311mm (12.24") of rainfall and peaking at 364mm (14.33") in June. Moreover, relative humidity levels remain uncomfortably high during these months, making the weather feel hotter than it is.Spring weather in Macau
Spring, in Macau, commences in March and lasts until May. Temperatures in these months gradually rise from 21°C (69.8°F) in March to a warm 28.4°C (83.1°F) by the tail end of May. Likewise, minimum temperatures also see an incline from 16.2°C (61.2°F) to 23.6°C (74.5°F). Spring witnesses increased rainfall that begins at 89mm (3.5") in March and escalates to a substantial 311mm (12.24") by May. The duration of daylight sees a rise from 12 hours in March to 13.2 hours in May.Summer weather in Macau
Summer in Macau spans from June to August. The season is characterized by high temperatures that hover around 31.6°C (88.9°F) in July and a bit less at 31.5°C (88.7°F) in August. The mercury, in its lowest, fluctuates from 25.6°C (78.1°F) in June to 26.2°C (79.2°F) in July. Rainfall remains high in this season, especially in June, standing at 364mm (14.33"). The daylight duration remains nearly constant during the summer months, staying close to 13.4 hours.Autumn weather in Macau
Autumn in Macau can be experienced from September to November. The high temperatures during this period undergo a transition from 30.4°C (86.7°F) in September to a much milder 24.1°C (75.4°F) by November. Rainfall also sees a considerable drop from 220mm (8.66") in September to just 44mm (1.73") by November. The daylight duration, during this time, decreases from 12.3 hours in September to 11.1 hours in November.Winter weather in Macau
Macau's winter extends from December to February. During these months, Macau experiences temperatures between a low of 12.5°C (54.5°F) and a high of 18.2°C (64.8°F) in January, warming slightly by February. These months record the least amount of rainfall in the year, with only 30mm (1.18") of rain falling in December and a bit more in January and February. The daylight duration in winter is at its lowest for the year, ranging from 10.8 hours to 11.4 hours.Weather in January
The year starts with relatively comfortable weather in Macau, China. The temperature begins to edge upwards from the colder months of December, with a recorded high being from 18.2°C (64.8°F) to a low of 12.5°C (54.5°F). The humidity in this month seems to be lighter compared to the rest of the year. Weather in January »Weather in February
Against the backdrop of a setting winter, February in Macau, China witnesses a shift towards a slight increase in humidity from 73.8% in January to 81% in February. As winter gives way to spring, the weather oscillates between mildly chilly to warm, with an associated increase in rainfall from 27mm (1.06") to 60mm (2.36"). Weather in February »Weather in March
March ushers in the transient phase from winter to spring. The weather manifests a distinct rise both in humidity and rainfall. Coupled with this is the increase in daylight hours, resulting in higher UV index, going up to 11. These changes hint at the impending warmer summer months while the charm of spring still lingers in the air. The advent of March signifies a minor shift to an average high-temperature of a pleasant 21°C (69.8°F), aligning closely with February. Weather in March »Weather in April
As the landscape of Macau, China undergoes a sea change with the advent of April, a sharp rise in rainfall from 89mm (3.5") in March to 195mm (7.68") in April paints a predominantly wet picture. The increase in relative humidity is also evident, inching closer to its annual peak. Weather in April »Weather in May
May marks the onset of the pre-summer period in Macau, China. It sees a steady rise in temperatures, signaling the approaching summer days. Simultaneously, the rainfall shoots up to record one of its highest figures of the year. With this, the weather transforms from a mild spring-like climate to a warmer, moist condition that presages the forthcoming summer months. Macau's May weather indicates a minor increase in high-temperatures, edging from April's 24.7°C (76.5°F) to a still warm 28.4°C (83.1°F). Weather in May »Weather in June
June witnesses the climate transition into the full-blown summer, with temperatures hitting a scorching high of 30.3°C (86.5°F). The days are longer too, making it one of the sunniest months of the year. Despite a slight drop in relative humidity from May to June, the noticeable increase in sea temperature coupled with copious rainfall marks the full arrival of the summer season. As June takes hold in Macau, the average high-temperature is a hot 30.3°C (86.5°F), nearly mirroring that of the previous month. Weather in June »Weather in July
July stands out as the month receiving a high amount of daylight, topping the chart at 13.3 hours. The weather during this month, is dominated by an intense combination of sweltering heat and high rainfall. As a result, sun protection becomes imperative due to the peak UV index reaching 12. Weather in July »Weather in August
Continuing the summer's sizzling saga, August remains one of the hottest months in Macau, China. With a slight drop in temperature from July to August but maintaining a high rainfall, the climate can feel rather humid and sultry. Weather in August »Weather in September
September ushers in relief from the hot summer months. A noticeable reduction in humidity and rainfall compared to previous months hints at the start of the transitional phase towards autumn. Despite the slight drop in temperatures, the sea remains warm enough for swimmers and water sports enthusiasts. Weather in September »Weather in October
October brings the autumn charm to Macau, China. The temperature continues to decrease along with the humidity, creating a comfortable atmosphere. The rainfall decreases significantly from September's volume, making it one of the drier months of the year. Weather in October »Weather in November
The weather continues to cool down further in November. The reduction in daylight hours is a clear signal of the impending winter. Fading autumn resulting in falling leaves paints a picturesque view across Macau. As the year winds down, the city turns into a serene place with dwindling rainfall and comfortably cool temperatures. November is marked by a subtle drop in average high-temperatures, transitioning from 28.1°C (82.6°F) in October to a still moderately hot 24.1°C (75.4°F). Weather in November »Weather in December
December marks the end of the year with the winter season stepping in. Macau, China experiences a stark contrast in temperature from a high of 20.1°C (68.2°F) to a low of 14°C (57.2°F). Despite being the month with the least amount of rainfall, the relative humidity remains substantial. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Macau, China
The warmest month (with the highest average high temperature) is July (31.6°C).
The month with the lowest average high temperature is January (18.2°C).
The month with the highest average low temperature is July (26.2°C).
The coldest month (with the lowest average low temperature) is January (12.5°C).
Average humidity
Macau, China
- Average humidity in January:
73.8% - Average humidity in February:
81% - Average humidity in March:
84.5% - Average humidity in April:
86.1% - Average humidity in May:
84.4% - Average humidity in June:
84%
- Average humidity in July:
81.8% - Average humidity in August:
81.4% - Average humidity in September:
77.9% - Average humidity in October:
72.4% - Average humidity in November:
70.2% - Average humidity in December:
68.5%
The month with the highest relative humidity is April (86.1%).
The month with the lowest relative humidity is December (68.5%).
Average rainfall
Macau, China
- Average rainfall in January:
26.5mm - Average rainfall in February:
59.5mm - Average rainfall in March:
89.3mm - Average rainfall in April:
195.2mm - Average rainfall in May:
311.1mm - Average rainfall in June:
363.8mm
- Average rainfall in July:
297.4mm - Average rainfall in August:
343.1mm - Average rainfall in September:
219.5mm - Average rainfall in October:
79mm - Average rainfall in November:
43.7mm - Average rainfall in December:
30.2mm
The wettest month (with the highest rainfall) is June (363.8mm).
The driest month (with the least rainfall) is January (26.5mm).
Average rainfall days
Macau, China
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
12 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
17.7 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
16 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
6.1 days - Average rainfall days in November:
4.6 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is December (4.5 days).
Average sea temperature
Macau, China
The best month for swimming (with the highest average sea temperature) is July (29.3°C).
The coldest month (with the lowest average sea temperature) is February (18.6°C).
Average daylight / Average sunshine
Macau, China
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 12min - Average daylight in June:
13h and 30min
- Average daylight in July:
13h and 18min - Average daylight in August:
12h and 54min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 6min - Average daylight in December:
10h and 48min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
2h and 48min - Average sunshine in March:
2h and 18min - Average sunshine in April:
2h and 48min - Average sunshine in May:
4h and 24min - Average sunshine in June:
5h and 12min
- Average sunshine in July:
7h and 12min - Average sunshine in August:
6h and 18min - Average sunshine in September:
5h and 54min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 7h and 12min).
The month with the least sunshine is March (Average sunshine: 2h and 18min).
Average UV index
Macau, China
The months with the highest UV index are April, May, June, July and August (UV index 12).
The months with the lowest UV index are January, November and December (UV index 7).





