Climate and monthly weather forecastHappy Valley, Hong Kong
Climate and monthly weather forecast
The climate of Happy Valley
Located in the tranquil area of Hong Kong, Happy Valley represents a region with a Humid subtropical, dry winter climate as classified by Köppen. Facing variability in weather conditions throughout the year, the region experiences a continuous change in temperatures, humidity, rainfall, wind conditions, and other related parameters.Observing the temperature variations, Happy Valley experiences a wide range from 15°C (59°F) to 30.5°C (86.9°F) through the year. While the temperatures tend to ascend steadily from 18.5°C (65.3°F) in January to a peak of 30.5°C (86.9°F) in August, the region witnesses a decline in the following months, reaching 19.6°C (67.3°F) in December. Lower temperatures, showcasing a similar pattern, commence at 15°C (59°F) in January, escalate to 27.7°C (81.9°F) in August, and then subside to 16.2°C (61.2°F) by the end of the year.
Rainfall in Happy Valley displays a definitive pattern too. Increasing consistently from January's 25mm (0.98"), the precipitation rises to a substantial 223mm (8.78") in August, making it the month with maximum rainfall. The region then sees a drop in rainfall amounts, going down to 23mm (0.91") in December. The number of rainfall days echoes this pattern, starting with 12.6 days in January, peaking at 26.8 days in July, and reducing significantly to 11.2 days in December.
Happy Valley's atmosphere remains relatively humid all year, with percentages oscillating from 70% to 84%. The region also experiences stalwart pressure conditions, fluctuating lightly between 1004.8 mb to 1020.3 mb. Wind speeds in Happy Valley exhibit a range from 12.4km/h (7.7mph) to 16km/h (9.9mph), while the wind gusts go from 17.8km/h (11.1mph) to a stronger 21.1km/h (13.1mph).
The best time to visit Happy Valley
Happy Valley's agreeable climate makes it a welcoming destination throughout the year. Still, the period between October and December could be deemed the most amicable for a visit. During these months, temperatures remain comfortable, hovering in the range of 23.9°C (75°F) to 27.2°C (81°F) for the highs and 16.2°C (61.2°F) to 24.3°C (75.7°F) for lows. In addition, rainfall sees a significant drop from the earlier months, averaging around 43mm (1.69") across the entire span.The worst time to visit Happy Valley
Contrary to that, tourists might find the months from June to September as the less preferred ones for a visit. Happy Valley encounters its highest rainfall during this period, with levels ascending to a substantial 206mm (8.11") to 223mm (8.78"). The whole period sees an average 26 days of rainfall, and the temperatures reach their peak, going from 27.7°C (81.9°F) to 30.5°C (86.9°F) at their highest and staying between 27.3°C (81.1°F) and 27.7°C (81.9°F) at their lowest.Spring weather in Happy Valley
Spring in Happy Valley extends from March through May, and the region begins to witness a rise in temperatures. Average highs go from 21.7°C (71.1°F) to 27.7°C (81.9°F), and lows progress from 18.9°C (66°F) to 24.9°C (76.8°F). Rainfall begins to amplify, increasing from 44mm (1.73") in March to a significant 171mm (6.73") in May. Meanwhile, relative humidity ranges from 80% to 84%.Summer weather in Happy Valley
Summer months in Happy Valley are filled with warmth and humidity. Spanning from June through August, temperatures reach their peak, with highs oscillating between 29.5°C (85.1°F) and 30.5°C (86.9°F) and lows fluctuating from 27.3°C (81.1°F) to 27.7°C (81.9°F). Coupled with high relative humidity ranging from 80% to 83%, the season also oversees the highest rainfall, going up to 223mm (8.78") in August.Autumn weather in Happy Valley
Autumn in Happy Valley, extending from September through November, sees a drop in temperatures and rainfall. Average high temperatures range from 29.6°C (85.3°F) to 23.9°C (75°F), while lows scale down from 26.5°C (79.7°F) to 20.8°C (69.4°F). The season also brings a reduction in rainfall, with September witnessing 155mm (6.1") and November experiencing around 36mm (1.42").Winter weather in Happy Valley
Winters in Happy Valley, spanning from December through February, are characterized by cooler temperatures and reduced rainfall. The region encounters average high temperatures moving from 19.6°C (67.3°F) down to 18.5°C (65.3°F) and lows dropping from 16.2°C (61.2°F) to 15°C (59°F). Rainfall plummets to its annual lowest, marking 23mm (0.91") in December and 25mm (0.98") in January, while February sees a slight escalation to 32mm (1.26").Weather in January
The city of Happy Valley in Hong Kong starts the year with cool temperatures and moderate rainfall. Humidity level begins to increase, and there is a noticeable difference in daylight, with almost 11 hours per day. Compared to February, the average high temperature is slightly lower and the rainfall amount is minimal. Weather in January »Weather in February
February in Happy Valley signifies the continuation of cool temperatures with increased rainfall, compared to January. Daylight extends slightly, paving the way for more outdoor activities. The city experiences an increase in cloud coverage, reducing the clarity over long distances. Weather in February »Weather in March
In March, Happy Valley residents feel the transition season with the meteorological indicators pointing towards the upcoming warmer months. Sunlight duration gradually increases, allowing more room for recreational activities. The frequency and quantity of rain start to escalate, signalling the arrival of a moist climate in the forthcoming months. Weather in March »Weather in April
April marks the beginning of the hot season in Happy Valley. Bright sunny spells dominate the weather pattern, with increased daylight hours. Heavy rain showers are often followed by clear skies, a common occurrence during this time of the year. Weather in April »Weather in May
May in Happy Valley shows a clear sign of the hot weather setting in, with temperatures soaring both during the day and night. The sky paints a beautiful picture, with the near-perfect visibility of 9 kilometers. The setting sun gives gravity to the city's radiant appeal. Weather in May »Weather in June
As June arrives in Happy Valley, the weather is predominantly hot. The landscape basks in the long sunshine hours and high temperature averages. Cloud coverage dips, which means more blue skies over the city. Approaching July, the temperature will remain more or less consistent, while the rainfall will decrease slightly. Weather in June »Weather in July
July brings in the classic summer heat to Happy Valley, Hong Kong. Clear skies during the day time provide excellent visibility for sightseeing. In the transition to August, the climatic conditions remain relatively constant with minor fluctuations. Weather in July »Weather in August
In August, Happy Valley continues to experience hot weather, characterized by high humidity levels. Extended daylight hours persist throughout this month. Taking a glimpse into September, a drop in temperature and rainfall is expected. Weather in August »Weather in September
During September, Happy Valley begins to bid farewell to summer with a gradual reduction in temperature. The drop offers a slight comfort from the high humidity levels experienced over the past few months. The city continues to enjoy long hours of sunshine, favourable for outdoor activities. Weather in September »Weather in October
October in Happy Valley marks a comfortable period post the hot summer season. The city experiences cooler temperatures and less rainfall. However, remember to pack light layers as the evening temperature can dip. November promises to be even cooler with a significant fall in temperature. Weather in October »Weather in November
The city of Happy Valley embraces the cool weather in November. This time of the year brings a comfortingly cool ambiance. The sunshine hours start to decrease slowly, setting the tone for the impending winter season. Once December rolls in, expect a further decrease in temperature and duration of daylight hours. Weather in November »Weather in December
December in Happy Valley marks the arrival of winter with considerably cooler temperatures and reduced rainfall. With the lowest levels of rainfall and humidity, December brings a refreshing change to the city's climate scenario. Weather in December »Updated: Aug 28, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With average high and low temperatures of 18.5°C (65.3°F) and 15°C (59°F) respectively, January is Happy Valley's coldest month.
In Happy Valley, during the entire year, the rain falls for 224.5 days and collects up to 1264mm (49.76") of precipitation.
The month with the lowest UV index in Happy Valley is January, with an average maximum UV index of 4.
March has the least sunshine of the year in Happy Valley, with an average of 5.3h of sunshine.
May is the most humid month, with an average relative humidity of 84%.
The months with the highest UV index are May through September, with an average maximum UV index of 7.
With an average of 13h and 30min of daylight, June has the longest days of the year in Happy Valley.
With an average of 10h of sunshine, July has the most sunshine of the year.
The warmest temperatures occur during August, when averages reach a peak of 30.5°C (86.9°F) and a low of 27.7°C (81.9°F).
The month with the most rainfall in Happy Valley, Hong Kong, is August, when the rain falls for 25.8 days and typically aggregates up to 223mm (8.78") of precipitation.
With an average relative humidity of 70%, December is the least humid month.
The month with the least rainfall is December, when the rain falls for 11.2 days and typically collects 23mm (0.91") of precipitation.
December has the shortest days of the year, with an average of 10h and 48min of daylight.
Happy Valley does not utilize Daylight Saving Time (DST). HKT timezone is used over the entire year.
Average temperature
Happy Valley, Hong Kong
The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (18.5°C).
The month with the highest average low temperature is August (27.7°C).
The coldest month (with the lowest average low temperature) is January (15°C).
Average pressure
Happy Valley, Hong Kong
- Average pressure in January:
1020.3mbar - Average pressure in February:
1018.4mbar - Average pressure in March:
1016.3mbar - Average pressure in April:
1013mbar - Average pressure in May:
1009mbar - Average pressure in June:
1005.6mbar
- Average pressure in July:
1005.3mbar - Average pressure in August:
1004.8mbar - Average pressure in September:
1008.3mbar - Average pressure in October:
1013.4mbar - Average pressure in November:
1016.7mbar - Average pressure in December:
1019.6mbar
The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is August (1004.8mbar).
Average wind speed
Happy Valley, Hong Kong
- Average wind speed in January:
15.5km/h - Average wind speed in February:
15km/h - Average wind speed in March:
14.8km/h - Average wind speed in April:
13.8km/h - Average wind speed in May:
13.6km/h - Average wind speed in June:
14.3km/h
- Average wind speed in July:
14.7km/h - Average wind speed in August:
12.4km/h - Average wind speed in September:
13.5km/h - Average wind speed in October:
15.3km/h - Average wind speed in November:
15.5km/h - Average wind speed in December:
16km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity
Happy Valley, Hong Kong
The month with the highest relative humidity is May (84%).
The month with the lowest relative humidity is December (70%).
Average rainfall
Happy Valley, Hong Kong
- Average rainfall in January:
25mm - Average rainfall in February:
32mm - Average rainfall in March:
44mm - Average rainfall in April:
86mm - Average rainfall in May:
171mm - Average rainfall in June:
206mm
The wettest month (with the highest rainfall) is August (223mm).
The driest month (with the least rainfall) is December (23mm).
Average rainfall days
Happy Valley, Hong Kong
- Average rainfall days in January:
12.6 days - Average rainfall days in February:
15 days - Average rainfall days in March:
18.2 days - Average rainfall days in April:
18 days - Average rainfall days in May:
22.9 days - Average rainfall days in June:
25.1 days
- Average rainfall days in July:
26.8 days - Average rainfall days in August:
25.8 days - Average rainfall days in September:
22.7 days - Average rainfall days in October:
14.1 days - Average rainfall days in November:
12.1 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is July (26.8 days).
The month with the least rainy days is December (11.2 days).
Average daylight / Average sunshine
Happy Valley, Hong Kong
- Average daylight in January:
10h and 54min - 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:
5h and 54min - Average sunshine in February:
5h and 42min - Average sunshine in March:
5h and 18min - Average sunshine in April:
6h and 36min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
8h and 54min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is March (Average sunshine: 5h and 18min).
Average sunshine days
Happy Valley, Hong Kong
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
9.7 days - Average sunshine days in March:
8.3 days - Average sunshine days in April:
8.3 days - Average sunshine days in May:
5.6 days - Average sunshine days in June:
3.2 days
- Average sunshine days in July:
3.1 days - Average sunshine days in August:
3.7 days - Average sunshine days in September:
5.8 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
13.4 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is July (3.1 days).
Average UV index
Happy Valley, Hong Kong
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover
Happy Valley, Hong Kong
The month with the most cloud cover is March (Cloud cover 61).
The months with the least cloud cover are September and October (Cloud cover 35).
Average visibility
Happy Valley, Hong Kong
The months with the highest visibility are September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July and August (9km).
